Air Sports Net
Aviation Weather Report for Aurora, Illinois
Current Conditions at
AURORA, IL - (KARR)
45°
Clear
Haze
as of 9:52 AM CDST
Rel. Humidity: 75%
Dew Point: 37°F
Visibility: 6 Miles
Pressure: 30.40 in.
Flight Rule: VFR
Sun Almanac
Naut Sunrise:
6:26 AM
Civil Sunrise:
6:59 AM
Sunrise:
7:28 AM
Sunset:
5:47 PM
Civil Sunset:
6:16 PM
Naut Sunset:
6:49 PM
Wind Data
8 MPH
140° Southeast
Cloud Level(s): Clear
Current Conditions at
WEST CHICAGO, IL - (KDPA)
45°
Clear
as of 9:52 AM CDST
Rel. Humidity: 75%
Dew Point: 37°F
Visibility: 10 Miles
Pressure: 30.39 in.
Flight Rule: VFR
Sun Almanac
Naut Sunrise:
6:26 AM
Civil Sunrise:
6:59 AM
Sunrise:
7:28 AM
Sunset:
5:45 PM
Civil Sunset:
6:14 PM
Naut Sunset:
6:47 PM
Wind Data
6 MPH
160° South
Cloud Level(s): Clear
Current Conditions at
DE KALB TAYLOR MUNICIPAL, IL - (KDKB)
43°
Feels like 37°F
Clear
as of 9:55 AM CDST
Rel. Humidity: 86%
Dew Point: 39°F
Visibility: 10 Miles
Pressure: 30.40 in.
Flight Rule: VFR
Sun Almanac
Naut Sunrise:
6:28 AM
Civil Sunrise:
7:01 AM
Sunrise:
7:30 AM
Sunset:
5:47 PM
Civil Sunset:
6:16 PM
Naut Sunset:
6:49 PM
Wind Data
9 MPH
160° South
Cloud Level(s): Clear
Illinois Weather Conditions
Change State/Region
Change Location in Illinois
Change Location By ICAO
Illinois Temperature

Aviation Weather Forecast at Aurora, Illinois
Station: KARR    North: 41.77    West: -88.47    Timezone: Central Daylight Saving Time    UTC: -5    Model: National Blend of Models - Aviation Format
DATE        
HOUR1:00 PM4:00 PM7:00 PM10:00 PM1:00 AM4:00 AM7:00 AM10:00 AM1:00 PM4:00 PM7:00 PM10:00 PM1:00 AM4:00 AM7:00 AM10:00 AM1:00 PM4:00 PM7:00 PM10:00 PM1:00 AM4:00 AM
SKY Mostly Clear
Aviation Weather 16% Clouds
Clear
Aviation Weather 2% Clouds
Mostly Clear
Aviation Weather 16% Clouds
Partly Cloudy
Aviation Weather 45% Clouds
Mostly Cloudy
Aviation Weather 63% Clouds
Mostly Cloudy
Aviation Weather 63% Clouds
Partly Cloudy
Aviation Weather 57% Clouds
Partly Cloudy
Aviation Weather 57% Clouds
Cloudy
Aviation Weather 88% Clouds
Cloudy
Aviation Weather 91% Clouds
Cloudy
Aviation Weather 96% Clouds
Cloudy
Aviation Weather 90% Clouds
Cloudy
Aviation Weather 91% Clouds
Cloudy
Aviation Weather 92% Clouds
Cloudy
Aviation Weather 93% Clouds
Cloudy
Aviation Weather 93% Clouds
Cloudy
Aviation Weather 93% Clouds
Cloudy
Aviation Weather 89% Clouds
Cloudy
Aviation Weather 95% Clouds
Cloudy
Aviation Weather 93% Clouds
Cloudy
Aviation Weather 94% Clouds
Cloudy
Aviation Weather 92% Clouds
TEMP
(F)
56
TemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperature
58
TemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperature
49
TemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperature
44
TemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperature
44
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43
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43
TemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperature
52
TemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperature
59
TemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperature
61
TemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperature
59
TemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperature
58
TemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperature
60
TemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperature
61
TemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperature
61
TemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperature
64
TemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperature
68
TemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperature
69
TemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperature
65
TemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperature
63
TemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperature
63
TemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperature
62
TemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperatureTemperature
WIND CHILL--4740403837---------------
WIND DIRECTION
(AZIMUTH)

Help

160
Wind Direction

140
Wind Direction

110
Wind Direction

100
Wind Direction

110
Wind Direction

110
Wind Direction

110
Wind Direction

140
Wind Direction

140
Wind Direction

140
Wind Direction

150
Wind Direction

160
Wind Direction

170
Wind Direction

170
Wind Direction

170
Wind Direction

180
Wind Direction

190
Wind Direction

190
Wind Direction

190
Wind Direction

180
Wind Direction

190
Wind Direction

190
Wind Direction
AVERAGE
WIND SPEEDS

(MPH)

Help
7
Wind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind Speed
7
Wind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind Speed
5
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
9
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
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11
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12
Wind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind Speed
10
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11
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13
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15
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16
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15
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11
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12
Wind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind Speed
12
Wind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind Speed
14
Wind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind SpeedWind Speed
MAXIMUM
WIND GUST SPEEDS

(MPH)

Help
12
Wind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust Speed
12
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
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11
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13
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15
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19
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21
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22
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22
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23
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21
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21
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23
Wind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust Speed
27
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28
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25
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21
Wind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust Speed
23
Wind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust Speed
23
Wind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust Speed
25
Wind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust SpeedWind Gust Speed
HOUR1:00 PM4:00 PM7:00 PM10:00 PM1:00 AM4:00 AM7:00 AM10:00 AM1:00 PM4:00 PM7:00 PM10:00 PM1:00 AM4:00 AM7:00 AM10:00 AM1:00 PM4:00 PM7:00 PM10:00 PM1:00 AM4:00 AM
DATE        
HOUR1:00 PM4:00 PM7:00 PM10:00 PM1:00 AM4:00 AM7:00 AM10:00 AM1:00 PM4:00 PM7:00 PM10:00 PM1:00 AM4:00 AM7:00 AM10:00 AM1:00 PM4:00 PM7:00 PM10:00 PM1:00 AM4:00 AM
CLOUD COVERAGE
%
16 2 16 45 63 63 57 57 88 91 96 90 91 92 93 93 93 89 95 93 94 92
CLOUD
BASE
@ 60%
COVERAGE
(AGL in
Feet)


Help

10K
Cloud Base % Coverage in Feet

10K
Cloud Base % Coverage in Feet

10K
Cloud Base % Coverage in Feet

6000
Cloud Base % Coverage in Feet

2700
Cloud Base % Coverage in Feet

4500
Cloud Base % Coverage in Feet

5000
Cloud Base % Coverage in Feet

2700
Cloud Base % Coverage in Feet

2400
Cloud Base % Coverage in Feet

700
Cloud Base % Coverage in Feet

1800
Cloud Base % Coverage in Feet

1700
Cloud Base % Coverage in Feet

2700
Cloud Base % Coverage in Feet

1300
Cloud Base % Coverage in Feet

1500
Cloud Base % Coverage in Feet

1500
Cloud Base % Coverage in Feet

1700
Cloud Base % Coverage in Feet
LOWEST
CLOUD
BASE
(AGL in
Feet)


Help

18K
Low Cloud Base in Feet

22K
Low Cloud Base in Feet

19K
Low Cloud Base in Feet

14K
Low Cloud Base in Feet

9000
Low Cloud Base in Feet

9000
Low Cloud Base in Feet

9000
Low Cloud Base in Feet

10K
Low Cloud Base in Feet

6000
Low Cloud Base in Feet

2700
Low Cloud Base in Feet

3300
Low Cloud Base in Feet

1600
Low Cloud Base in Feet

1300
Low Cloud Base in Feet

400
Low Cloud Base in Feet

200
Low Cloud Base in Feet

1800
Low Cloud Base in Feet

1000
Low Cloud Base in Feet

1500
Low Cloud Base in Feet

1000
Low Cloud Base in Feet

1400
Low Cloud Base in Feet

1300
Low Cloud Base in Feet

600
Low Cloud Base in Feet
VISIBILITY
(Miles)
10
VisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibility
10
VisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibility
10
VisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibility
10
VisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibility
10
VisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibility
10
VisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibility
10
VisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibility
10
VisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibility
10
VisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibility
9
VisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibility
10
VisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibility
10
VisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibility
10
VisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibility
7
VisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibility
4
VisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibility
10
VisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibility
10
VisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibility
10
VisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibility
8
VisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibility
6
VisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibility
8
VisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibility
5
VisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibilityVisibility
FLIGHT RULE

Help
VFRVFRVFRVFRVFRVFRVFRVFRVFRMVFRVFRMVFRMVFRLIFRLIFRMVFRMVFRMVFRMVFRMVFRMVFRIFR
HOUR1:00 PM4:00 PM7:00 PM10:00 PM1:00 AM4:00 AM7:00 AM10:00 AM1:00 PM4:00 PM7:00 PM10:00 PM1:00 AM4:00 AM7:00 AM10:00 AM1:00 PM4:00 PM7:00 PM10:00 PM1:00 AM4:00 AM
DATE        
HOUR1:00 PM4:00 PM7:00 PM10:00 PM1:00 AM4:00 AM7:00 AM10:00 AM1:00 PM4:00 PM7:00 PM10:00 PM1:00 AM4:00 AM7:00 AM10:00 AM1:00 PM4:00 PM7:00 PM10:00 PM1:00 AM4:00 AM
CHANCE OF PRECIP
-
Chance of Precipitation
-
Chance of Precipitation
5%
Chance of Precipitation
7%
Chance of Precipitation
33%
Chance of Precipitation
77%
Chance of Precipitation
62%
Chance of Precipitation
81%
Chance of Precipitation
95%
Chance of Precipitation
83%
Chance of Precipitation
82%
Chance of Precipitation
PRECIP AMOUNT
(RANGE
IN INCHES)
 - - - - 0.06 0.08 0.07 0.24 0.43 0.22
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
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
2
Chance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of Thunder
4
Chance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of Thunder
5
Chance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of Thunder
4
Chance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of Thunder
5
Chance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of Thunder
8
Chance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of Thunder
9
Chance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of Thunder
8
Chance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of Thunder
5
Chance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of Thunder
5
Chance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of Thunder
12
Chance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of Thunder
13
Chance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of Thunder
13
Chance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of Thunder
13
Chance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of ThunderChance of Thunder
PROBABILITY THAT PRECIP IS RAIN
%


Help
0000033103334493741459484425377708791
REL HUM
%

Help
45
Relative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative Humidity
40
Relative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative Humidity
56
Relative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative Humidity
67
Relative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative Humidity
67
Relative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative Humidity
70
Relative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative Humidity
73
Relative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative Humidity
61
Relative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative Humidity
47
Relative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative Humidity
53
Relative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative Humidity
69
Relative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative Humidity
86
Relative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative Humidity
89
Relative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative Humidity
89
Relative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative Humidity
93
Relative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative Humidity
93
Relative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative Humidity
81
Relative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative Humidity
78
Relative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative Humidity
86
Relative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative Humidity
93
Relative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative Humidity
89
Relative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative Humidity
93
Relative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative HumidityRelative Humidity
DEW POINT
(F)

Help
35
Dew PointDew PointDew PointDew PointDew PointDew PointDew PointDew Point
34
Dew PointDew PointDew PointDew PointDew PointDew PointDew PointDew Point
34
Dew PointDew PointDew PointDew PointDew PointDew PointDew PointDew Point
34
Dew PointDew PointDew PointDew PointDew PointDew PointDew PointDew Point
34
Dew PointDew PointDew PointDew PointDew PointDew PointDew PointDew Point
34
Dew PointDew PointDew PointDew PointDew PointDew PointDew PointDew Point
35
Dew PointDew PointDew PointDew PointDew PointDew PointDew PointDew Point
39
Dew PointDew PointDew PointDew PointDew PointDew PointDew PointDew Point
39
Dew PointDew PointDew PointDew PointDew PointDew PointDew PointDew Point
44
Dew PointDew PointDew PointDew PointDew PointDew PointDew PointDew Point
49
Dew PointDew PointDew PointDew PointDew PointDew PointDew PointDew Point
54
Dew PointDew PointDew PointDew PointDew PointDew PointDew PointDew Point
57
Dew PointDew PointDew PointDew PointDew PointDew PointDew PointDew Point
58
Dew PointDew PointDew PointDew PointDew PointDew PointDew PointDew Point
59
Dew PointDew PointDew PointDew PointDew PointDew PointDew PointDew Point
62
Dew PointDew PointDew PointDew PointDew PointDew PointDew PointDew Point
62
Dew PointDew PointDew PointDew PointDew PointDew PointDew PointDew Point
62
Dew PointDew PointDew PointDew PointDew PointDew PointDew PointDew Point
61
Dew PointDew PointDew PointDew PointDew PointDew PointDew PointDew Point
61
Dew PointDew PointDew PointDew PointDew PointDew PointDew PointDew Point
60
Dew PointDew PointDew PointDew PointDew PointDew PointDew PointDew Point
60
Dew PointDew PointDew PointDew PointDew PointDew PointDew PointDew Point
TEMP
DEW POINT
SPREAD

(F)

Help
21
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
24
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
15
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
10
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
10
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
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
13
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
20
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
17
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
10
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
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
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
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
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
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
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
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
HOUR1:00 PM4:00 PM7:00 PM10:00 PM1:00 AM4:00 AM7:00 AM10:00 AM1:00 PM4:00 PM7:00 PM10:00 PM1:00 AM4:00 AM7:00 AM10:00 AM1:00 PM4:00 PM7:00 PM10:00 PM1:00 AM4:00 AM
DATE        
Illinois State Summary
of upper and lower values of current conditions amongst 56 locations
in Illinois
High
Temp
55°
Cairo
Low
Temp
43°
De Kalb Taylor Municipalcipal
Wind
Speed
13mph
Chicago/Wheeling
and 1 other location
Wind
Gust
21mph
Chicago-Midway
Wind
Chill
40°
Chicago/Wheeling
and 2 other locations
High
Pressure
30.43Hg
Lansing Municipalcipal
Low
Pressure
30.32Hg
Quincy
Average temperature in Illinois 48°
# Locations Reporting Rain 1
# Locations Reporting IFR
(Instrument Flight Rules)
2
# Locations Reporting VFR
(Visual Flight Rules)
54



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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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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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