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Douglas, Illinois Weather Forecast
Douglas, Illinois Weather
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Weather Forecast for Douglas, Illinois : St. Clair County
Issued: 4:01 am CST Dec 8, 2025 Latitude: 38.4244948 Longitude: -89.9826053 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Tuesday Wednesday Thursday Friday Saturday Sunday
Clearing on Today Cloudy on Tonight Mostly Sunny on Tuesday Partly Sunny on Wednesday Mostly Cloudy on Thursday Partly Sunny on Friday Partly Sunny on Saturday Mostly Sunny on Sunday
High: 35°F Low: 26°F High: 53°F High: 38 °F High: 38°F High: 35°F High: 21°F High: 27°F
Low: 44°F Low: 27°F Low: 23°F Low: 9°F Low: 10°F  
Clearing Cloudy Mostly Sunny Partly Sunny Mostly Cloudy Partly Sunny Partly Sunny Mostly Sunny
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Current Conditions at
SCOTT AFB - (KBLV)
25°
Feels like 13°F
Cloudy
as of 3:55 AM CST
Rel. Humidity: 79%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 30.30 in.
Flight Rule: MVFR
Wind Data
13 MPH
350° North
Cloud Level(s): Solid Overcast at 2900ft
Current Conditions at
EAST ST LOUIS - (KCPS)
25°
Feels like 14°F
Cloudy
as of 3:53 AM CST
Rel. Humidity: 79%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 30.33 in.
Flight Rule: VFR
Wind Data
10 MPH
0° North
Cloud Level(s): Solid Overcast at 3100ft
Current Conditions at
SPARTA - (KSAR)
27°
Cloudy
as of 4:15 AM CST
Rel. Humidity: 86%
Dew Point: 23°F
Visibility: 10 Miles
Pressure: 30.31 in.
Flight Rule: MVFR
Wind Data
7 MPH
330° Northwest
Cloud Level(s): Scattered at 1100ft, Solid Overcast at 2900ft
Current Conditions at
ST LOUIS - (KSTL)
25°
Cloudy
as of 3:51 AM CST
Rel. Humidity: 73%
Dew Point: 18°F
Visibility: 10 Miles
Pressure: 30.33 in.
Flight Rule: MVFR
Wind Data
8 MPH
340° North
Cloud Level(s): Few at 1500ft, Solid Overcast at 2900ft
Clearing on Today Today... Cloudy through mid morning, then gradual clearing, with a high near 35. North wind 5 to 7 mph becoming calm in the afternoon.

Cloudy on Tonight Tonight... Partly cloudy, with a low around 26. Calm wind becoming south 5 to 9 mph in the evening.

Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 53. Southwest wind 9 to 13 mph, with gusts as high as 21 mph.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 44. South wind 13 to 15 mph becoming west after midnight. Winds could gust as high as 30 mph.

Partly Sunny on Wednesday Wednesday... Partly sunny, with a temperature falling to around 38 by 5pm. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 28 mph.

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 27.

Mostly Cloudy on Thursday Thursday... Mostly cloudy, with a high near 38.

Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 23.

Partly Sunny on Friday Friday... Partly sunny, with a high near 35.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 9.

Partly Sunny on Saturday Saturday... Partly sunny, with a high near 21.

Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 10.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 27.

Current Radar Image


Sun Almanac for Douglas, Illinois
Sunrise: 07:05 AM
Sunset: 4:39 PM
Civil Sunrise:06:36 AM
Civil Sunset: 5:09 PM
Nautical Sunrise: 06:02 AM
Nautical Sunset: 5:42 PM
Astro Sunrise: 05:30 AM
Astro Sunset: 6:14 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.