Air Sports Net
Aviation Weather Report for Chicago Midway, Illinois
Current Conditions at
CHICAGO-MIDWAY, IL - (KMDW)
27°
Feels like 16°F
Mostly Cloudy
as of 9:53 PM CST
Rel. Humidity: 58%
Dew Point: 14°F
Visibility: 10 Miles
Pressure: 30.65 in.
Flight Rule: VFR
Sun Almanac
Naut Sunrise:
6:04 AM
Civil Sunrise:
6:39 AM
Sunrise:
7:10 AM
Sunset:
4:21 PM
Civil Sunset:
4:52 PM
Naut Sunset:
5:27 PM
Wind Data
12 MPH
120° Southeast
Cloud Level(s): Broken at 25000 ft
Current Conditions at
CHICAGO-OHARE, IL - (KORD)
25°
Mostly Cloudy
as of 9:51 PM CST
Rel. Humidity: 68%
Dew Point: 16°F
Visibility: 10 Miles
Pressure: 30.63 in.
Flight Rule: VFR
Sun Almanac
Naut Sunrise:
6:05 AM
Civil Sunrise:
6:40 AM
Sunrise:
7:12 AM
Sunset:
4:21 PM
Civil Sunset:
4:52 PM
Naut Sunset:
5:27 PM
Wind Data
8 MPH
110° East
Cloud Level(s): Broken at 25000 ft
Illinois Weather Conditions
Change State/Region
Change Location in Illinois
Change Location By ICAO
Illinois Temperature

Aviation Weather Forecast at Chicago Midway, Illinois
Station: KMDW    North: 41.78    West: -87.75    Timezone: Central Standard Time    UTC: -6    Model: National Blend of Models - Aviation Format

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DATE      
HOURMID NIGHT3:00 AM6:00 AM9:00 AMNOON3:00 PM6:00 PM9:00 PMMID NIGHT3:00 AM6:00 AM9:00 AMNOON3:00 PM6:00 PM9:00 PMMID NIGHT3:00 AM6:00 AM9:00 AMNOON3:00 PM
SKY Mostly Cloudy
Aviation Weather 68% Clouds
Mostly Cloudy
Aviation Weather 83% Clouds
Mostly Cloudy
Aviation Weather 84% Clouds
Mostly Cloudy
Aviation Weather 66% Clouds
Mostly Cloudy
Aviation Weather 79% Clouds
Cloudy
Aviation Weather 89% Clouds
Cloudy
Aviation Weather 94% Clouds
Cloudy
Aviation Weather 96% Clouds
Cloudy
Aviation Weather 95% Clouds
Cloudy
Aviation Weather 95% Clouds
Cloudy
Aviation Weather 93% Clouds
Cloudy
Aviation Weather 91% Clouds
Mostly Cloudy
Aviation Weather 85% Clouds
Mostly Cloudy
Aviation Weather 76% Clouds
Mostly Cloudy
Aviation Weather 81% Clouds
Mostly Cloudy
Aviation Weather 87% Clouds
Mostly Cloudy
Aviation Weather 81% Clouds
Cloudy
Aviation Weather 91% Clouds
Cloudy
Aviation Weather 93% Clouds
Cloudy
Aviation Weather 91% Clouds
Mostly Cloudy
Aviation Weather 81% Clouds
Partly Cloudy
Aviation Weather 60% Clouds
TEMP
(F)
24
TemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperature
25
TemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperature
25
TemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperature
29
TemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperature
36
TemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperature
39
TemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperature
39
TemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperature
40
TemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperature
40
TemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperature
41
TemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperature
40
TemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperature
42
TemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperature
45
TemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperature
46
TemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperature
44
TemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperature
43
TemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperature
42
TemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperature
43
TemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperature
44
TemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperature
48
TemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperature
51
TemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperature
49
TemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperature
WIND CHILL1415151928313132333434374142403937383943-43
WIND DIRECTION
(AZIMUTH)

Help

110
Wind Direction

110
Wind Direction

110
Wind Direction

120
Wind Direction

130
Wind Direction

120
Wind Direction

130
Wind Direction

120
Wind Direction

130
Wind Direction

140
Wind Direction

150
Wind Direction

160
Wind Direction

190
Wind Direction

190
Wind Direction

180
Wind Direction

170
Wind Direction

170
Wind Direction

170
Wind Direction

180
Wind Direction

200
Wind Direction

230
Wind Direction

250
Wind Direction
AVERAGE
WIND SPEEDS

(MPH)

Help
9
Wind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind Speed
10
Wind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind Speed
10
Wind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind Speed
11
Wind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind Speed
11
Wind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind Speed
12
Wind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind Speed
13
Wind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind Speed
13
Wind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind Speed
11
Wind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind Speed
10
Wind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind Speed
8
Wind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind Speed
7
Wind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind Speed
7
Wind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind Speed
7
Wind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind Speed
6
Wind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind Speed
6
Wind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind Speed
7
Wind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind Speed
8
Wind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind Speed
9
Wind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind Speed
10
Wind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind Speed
11
Wind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind Speed
13
Wind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind Speed
MAXIMUM
WIND GUST SPEEDS

(MPH)

Help
13
Wind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust Speed
14
Wind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust Speed
15
Wind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust Speed
16
Wind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust Speed
17
Wind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust Speed
19
Wind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust Speed
20
Wind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust Speed
20
Wind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust Speed
19
Wind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust Speed
15
Wind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust Speed
11
Wind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust Speed
10
Wind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust Speed
10
Wind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust Speed
10
Wind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust Speed
7
Wind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust Speed
8
Wind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust Speed
10
Wind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust Speed
13
Wind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust Speed
14
Wind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust Speed
16
Wind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust Speed
18
Wind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust Speed
20
Wind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust Speed
HOURMID NIGHT3:00 AM6:00 AM9:00 AMNOON3:00 PM6:00 PM9:00 PMMID NIGHT3:00 AM6:00 AM9:00 AMNOON3:00 PM6:00 PM9:00 PMMID NIGHT3:00 AM6:00 AM9:00 AMNOON3:00 PM
DATE      
HOURMID NIGHT3:00 AM6:00 AM9:00 AMNOON3:00 PM6:00 PM9:00 PMMID NIGHT3:00 AM6:00 AM9:00 AMNOON3:00 PM6:00 PM9:00 PMMID NIGHT3:00 AM6:00 AM9:00 AMNOON3:00 PM
CLOUD COVERAGE
%
68 83 84 66 79 89 94 96 95 95 93 91 85 76 81 87 81 91 93 91 81 60
CLOUD
BASE
@ 60%
COVERAGE
(AGL in
Feet)


Help

19K
Cloud Base % Coverage in Feet

16K
Cloud Base % Coverage in Feet

17K
Cloud Base % Coverage in Feet

17K
Cloud Base % Coverage in Feet

15K
Cloud Base % Coverage in Feet

7000
Cloud Base % Coverage in Feet

700
Cloud Base % Coverage in Feet

600
Cloud Base % Coverage in Feet

500
Cloud Base % Coverage in Feet

600
Cloud Base % Coverage in Feet

500
Cloud Base % Coverage in Feet

300
Cloud Base % Coverage in Feet

700
Cloud Base % Coverage in Feet

1500
Cloud Base % Coverage in Feet

1900
Cloud Base % Coverage in Feet

2300
Cloud Base % Coverage in Feet

700
Cloud Base % Coverage in Feet

300
Cloud Base % Coverage in Feet

300
Cloud Base % Coverage in Feet

600
Cloud Base % Coverage in Feet

1500
Cloud Base % Coverage in Feet
LOWEST
CLOUD
BASE
(AGL in
Feet)


Help

18K
Low Cloud Base in Feet

15K
Low Cloud Base in Feet

14K
Low Cloud Base in Feet

14K
Low Cloud Base in Feet

13K
Low Cloud Base in Feet

7000
Low Cloud Base in Feet

700
Low Cloud Base in Feet

600
Low Cloud Base in Feet

500
Low Cloud Base in Feet

400
Low Cloud Base in Feet

300
Low Cloud Base in Feet

100
Low Cloud Base in Feet

100
Low Cloud Base in Feet

300
Low Cloud Base in Feet

600
Low Cloud Base in Feet

600
Low Cloud Base in Feet

5000
Low Cloud Base in Feet

400
Low Cloud Base in Feet

300
Low Cloud Base in Feet

300
Low Cloud Base in Feet

200
Low Cloud Base in Feet

1500
Low Cloud Base in Feet
VISIBILITY
(Miles)
10
VisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibility
10
VisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibility
10
VisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibility
10
VisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibility
10
VisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibility
10
VisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibility
2
VisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibility
2
VisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibility
2
VisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibility
2
VisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibility
2
VisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibility
2
VisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibility
8
VisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibility
10
VisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibility
10
VisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibility
10
VisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibility
10
VisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibility
4
VisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibility
4
VisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibility
1
VisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibility
2
VisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibility
10
VisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibility
FLIGHT RULE

Help
VFRVFRVFRVFRVFRVFRIFRIFRIFRLIFRLIFRLIFRLIFRLIFRIFRIFRVFRLIFRLIFRLIFRLIFRVFR
HOURMID NIGHT3:00 AM6:00 AM9:00 AMNOON3:00 PM6:00 PM9:00 PMMID NIGHT3:00 AM6:00 AM9:00 AMNOON3:00 PM6:00 PM9:00 PMMID NIGHT3:00 AM6:00 AM9:00 AMNOON3:00 PM
DATE      
HOURMID NIGHT3:00 AM6:00 AM9:00 AMNOON3:00 PM6:00 PM9:00 PMMID NIGHT3:00 AM6:00 AM9:00 AMNOON3:00 PM6:00 PM9:00 PMMID NIGHT3:00 AM6:00 AM9:00 AMNOON3:00 PM
CHANCE OF PRECIP
-
Chance of Precipitation
1%
Chance of Precipitation
3%
Chance of Precipitation
77%
Chance of Precipitation
98%
Chance of Precipitation
68%
Chance of Precipitation
19%
Chance of Precipitation
22%
Chance of Precipitation
15%
Chance of Precipitation
39%
Chance of Precipitation
55%
Chance of Precipitation
PRECIP AMOUNT
(RANGE
IN INCHES)
 - - - 0.07 0.36 0.07 0.01 - - 0.06
CHANCE OF THUNDER
%

Help
0
Chance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of Thunder
0
Chance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of Thunder
0
Chance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of Thunder
0
Chance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of Thunder
0
Chance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of Thunder
0
Chance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of Thunder
1
Chance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of Thunder
1
Chance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of Thunder
1
Chance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of Thunder
1
Chance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of Thunder
1
Chance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of Thunder
0
Chance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of Thunder
0
Chance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of Thunder
0
Chance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of Thunder
0
Chance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of Thunder
0
Chance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of Thunder
0
Chance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of Thunder
2
Chance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of Thunder
3
Chance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of Thunder
2
Chance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of Thunder
3
Chance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of Thunder
1
Chance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of Thunder
PROBABILITY THAT PRECIP IS RAIN
%


Help
000001298867453301127515294545535326
REL HUM
%

Help
68
Relative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative Humidity
68
Relative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative Humidity
74
Relative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative Humidity
71
Relative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative Humidity
61
Relative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative Humidity
61
Relative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative Humidity
72
Relative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative Humidity
78
Relative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative Humidity
85
Relative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative Humidity
88
Relative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative Humidity
92
Relative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative Humidity
89
Relative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative Humidity
82
Relative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative Humidity
79
Relative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative Humidity
82
Relative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative Humidity
82
Relative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative Humidity
85
Relative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative Humidity
89
Relative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative Humidity
92
Relative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative Humidity
85
Relative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative Humidity
79
Relative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative Humidity
73
Relative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative Humidity
DEW POINT
(F)

Help
15
Dew PointDew PointDew PointDew PointDew PointDew PointDew PointDew Point
16
Dew PointDew PointDew PointDew PointDew PointDew PointDew PointDew Point
18
Dew PointDew PointDew PointDew PointDew PointDew PointDew PointDew Point
21
Dew PointDew PointDew PointDew PointDew PointDew PointDew PointDew Point
24
Dew PointDew PointDew PointDew PointDew PointDew PointDew PointDew Point
27
Dew PointDew PointDew PointDew PointDew PointDew PointDew PointDew Point
31
Dew PointDew PointDew PointDew PointDew PointDew PointDew PointDew Point
34
Dew PointDew PointDew PointDew PointDew PointDew PointDew PointDew Point
36
Dew PointDew PointDew PointDew PointDew PointDew PointDew PointDew Point
38
Dew PointDew PointDew PointDew PointDew PointDew PointDew PointDew Point
38
Dew PointDew PointDew PointDew PointDew PointDew PointDew PointDew Point
39
Dew PointDew PointDew PointDew PointDew PointDew PointDew PointDew Point
40
Dew PointDew PointDew PointDew PointDew PointDew PointDew PointDew Point
40
Dew PointDew PointDew PointDew PointDew PointDew PointDew PointDew Point
39
Dew PointDew PointDew PointDew PointDew PointDew PointDew PointDew Point
38
Dew PointDew PointDew PointDew PointDew PointDew PointDew PointDew Point
38
Dew PointDew PointDew PointDew PointDew PointDew PointDew PointDew Point
40
Dew PointDew PointDew PointDew PointDew PointDew PointDew PointDew Point
42
Dew PointDew PointDew PointDew PointDew PointDew PointDew PointDew Point
44
Dew PointDew PointDew PointDew PointDew PointDew PointDew PointDew Point
45
Dew PointDew PointDew PointDew PointDew PointDew PointDew PointDew Point
41
Dew PointDew PointDew PointDew PointDew PointDew PointDew PointDew Point
TEMP
DEW POINT
SPREAD

(F)

Help
9
Temp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point Spread
9
Temp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point Spread
7
Temp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point Spread
8
Temp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point Spread
12
Temp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point Spread
12
Temp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point Spread
8
Temp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point Spread
6
Temp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point Spread
4
Temp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point Spread
3
Temp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point Spread
2
Temp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point Spread
3
Temp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point Spread
5
Temp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point Spread
6
Temp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point Spread
5
Temp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point Spread
5
Temp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point Spread
4
Temp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point Spread
3
Temp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point Spread
2
Temp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point Spread
4
Temp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point Spread
6
Temp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point Spread
8
Temp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point SpreadTemp Dew Point Spread
HOURMID NIGHT3:00 AM6:00 AM9:00 AMNOON3:00 PM6:00 PM9:00 PMMID NIGHT3:00 AM6:00 AM9:00 AMNOON3:00 PM6:00 PM9:00 PMMID NIGHT3:00 AM6:00 AM9:00 AMNOON3:00 PM
DATE      
Illinois State Summary
of upper and lower values of current conditions amongst 56 locations
in Illinois
High
Temp
37°
Cairo
Low
Temp
18°
Albertus Airport
Wind
Speed
17mph
Quincy
Wind
Gust
25mph
Quincy
Wind
Chill
Bloomington
High
Pressure
30.65Hg
Chicago/Wheeling
and 2 other locations
Low
Pressure
30.43Hg
Quincy
Average temperature in Illinois 27°
# Locations Reporting VFR
(Visual Flight Rules)
56



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Regardless of what this program has forecasted, it is not intended to be a substitution for good common sense. Check your conditions before you launch and only launch in conditions that you are familiar with and are certified to fly in. The user assume the entire risk associated with the use of this data. Fly safely.

This forecast and the related content/links on this page are not a substitution for the official weather briefing from the FAA. Please contact the FAA for more information on pilot briefings or call 1-800-WX-BRIEF.

As with all forecasts, weather conditions can change dramatically from what has been forecasted. We do not guarantee the weather forecast is accurate enough to be used for flying. Use extreme caution before flying any aircraft. By using this forecast, you agree that there may be differences in forecast conditions and actual flying conditions. You also agree that we shall not be liable for any compensatory, direct, indirect, incidental, consequential or punitive damages, income or profit loss, or any claims of any parties whatsoever with respect to this service. These terms may change from time to time without notice. Further terms of use can be found at https://www.usairnet.com/terms.htm

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Launch Code Frequently Asked Questions

Q) Can you add another city to the list of available cities in the Launch Code program?.

A) The list of cities shown is the cities in which the National Weather Service has forecast for. We believe that this list is the most current available but from time to time we do omit a city without knowing. You can check our list against the NWS list by visiting this page and comparing it to our list of cities. If you find a city not listed on our site, please contact us and we will add the forecast to our database.

Q) The Launch Code time is 3 hour time blocks. What is the forecast for other times than the ones shown?

A) The National Weather Service only provides the data in 3 hour blocks. You can estimate what the forecast might be at a particular time by using the times before and after the time you want. The temperature and wind speed graphs utilizes such an estimate by connecting the data with a straight line.

Q) How accurate is the forecast?

A) You local accuracy may vary from week to week and season to season. We have found that the forecast are generally accurate and often very close. We do get the occasional email that complains about the accuracy but 99% of all emails concerning accuracy have spoken highly of the quality of the forecast. Just remember that there are no guarantees of accuracy or suitability for a particular purpose. The National Weather Service has performed accuracy test on their forecast data. The results of these tests can be found at http://www.nws.noaa.gov/mdl/synop/smbpublications.php

Q) Does the time correspond to the middle of the box or to either the left or right side of the column?

A) The times shown going across the page is representative of the middle of the column that it is in.

Q) Are the altitudes MSL or AGL?

A) Altitudes are based upon Above Ground Level (AGL) for the height of cloud base.

Q) Does the cloudbase / ceiling range show the forecasted top and bottom of the clouds?

A) No. The cloudbase / ceiling is the elevation range of the bottom of the cloud. There is no reference given to the top of the cloud.

Q) What is an Azimuth?

A) See this page for help with understanding azimiths

Q) I have noticed that the date on the raw data screen and National Weather Service web page is different than the date shown on the Launch Code forecast page. Why?

A) At first glance it may look like the dates generated by the Launch Code program are different. Actually there is no difference in the time the weather events occur. The data from the National Weather Service and the raw data screen is based upon Universal Time Code or UTC. UTC is the time in London England. If the date of the UTC is for 0100 on July 4th or 1:00 am July 4th then this would equate to 9:00 PM on July 3rd for the east coast of the USA (DST). Why? Just as there is a difference in New York time and California time, there is a difference in UTC time and your local time. The Launch Code program automatically converts the UTC time to the local time of the forecast city.

Q) Why are the humidity, dew point, and the temperature dew point spread important.

A) See this page for help with understanding humidity, dew point, and spread and how it interacts with flying.

Q) Why can't I see the entire forecast on my computer screen without having to scroll to the right?

A) If you can't see the entire forecast without scrolling left and right, you can change your screen resolution. For Windows users, simply right click anywhere on an empty space on your desktop, select properties, select settings, then select your screen resolution by sliding the screen resolution bar to the right. This page is best viewed with a 1280 x 1024 or larger screen resolution. For more information on changing your screen resolution visit this Microsoft Windows page

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