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Douglas, Illinois Weather Forecast
Douglas, Illinois Weather
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Weather Forecast for Douglas, Illinois : St. Clair County
Issued: 9:26 am CST Dec 2, 2025 Latitude: 38.4244948 Longitude: -89.9826053 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Wednesday Thursday Friday Saturday Sunday Monday
Partly Sunny on This Afternoon Cloudy on Tonight Partly Sunny on Wednesday Mostly Sunny on Thursday Mostly Sunny on Friday Mostly Sunny on Saturday Mostly Cloudy on Sunday Partly Sunny on Monday
High: 29°F Low: 20°F High: 42°F High: 23°F High: 38°F High: 39°F High: 34°F High: 37°F
Low: 15°F Low: 11°F Low: 24°F Low: 25°F Low: 20°F  
Partly Sunny Cloudy Partly Sunny Mostly Sunny Mostly Sunny Mostly Sunny Mostly Cloudy Partly Sunny
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Current Conditions at
SCOTT AFB - (KBLV)
27°
Cloudy
as of 11:55 AM CST
Rel. Humidity: 79%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 30.12 in.
Flight Rule: MVFR
Wind Data
6 MPH
270° West
Cloud Level(s): Solid Overcast at 1500ft
Current Conditions at
EAST ST LOUIS - (KCPS)
25°
Cloudy
as of 11:53 AM CST
Rel. Humidity: 79%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 30.14 in.
Flight Rule: MVFR
Wind Data
3 MPH
290° West
Cloud Level(s): Solid Overcast at 1500ft
Current Conditions at
SPARTA - (KSAR)
25°
Cloudy
as of 11:55 AM CST
Rel. Humidity: 85%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 30.14 in.
Flight Rule: MVFR
Wind Data
3 MPH
300° Northwest
Cloud Level(s): Solid Overcast at 1200ft
Current Conditions at
ST LOUIS - (KSTL)
25°
Cloudy
Light Snow
as of 11:51 AM CST
Rel. Humidity: 79%
Dew Point: 19°F
Visibility: 9 Miles
Pressure: 30.12 in.
Flight Rule: MVFR
Wind Data
8 MPH
270° West
Cloud Level(s): Solid Overcast at 1300ft
Partly Sunny on This Afternoon This Afternoon... Partly sunny, with a high near 29. West wind around 6 mph becoming calm.

Cloudy on Tonight Tonight... Partly cloudy, with a low around 20. South wind 3 to 7 mph.

Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 42. South wind 5 to 7 mph becoming northwest in the afternoon.

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 15. North wind 5 to 11 mph, with gusts as high as 20 mph.

Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 23. North wind 5 to 10 mph becoming light in the afternoon.

Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 11.

Mostly Sunny on Friday Friday... Mostly sunny, with a high near 38.

Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 24.

Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 39.

Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 25.

Mostly Cloudy on Sunday Sunday... Mostly cloudy, with a high near 34.

Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 20.

Partly Sunny on Monday Monday... Partly sunny, with a high near 37.

Current Radar Image


Sun Almanac for Douglas, Illinois
Sunrise: 07:00 AM
Sunset: 4:39 PM
Civil Sunrise:06:30 AM
Civil Sunset: 5:09 PM
Nautical Sunrise: 05:58 AM
Nautical Sunset: 5:41 PM
Astro Sunrise: 05:26 AM
Astro Sunset: 6:13 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.