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Douglas, Illinois Weather Forecast
Douglas, Illinois Weather
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Weather Forecast for Douglas, Illinois : St. Clair County
Issued: 8:06 pm CST Nov 30, 2025 Latitude: 38.4244948 Longitude: -89.9826053 View on Google Maps

MouseOver for Detail Forecast
Tonight Monday Tuesday Wednesday Thursday Friday Saturday Sunday
Cloudy on Tonight 30% chance of snow on Monday Mostly Sunny on Tuesday Mostly Sunny on Wednesday Partly Sunny on Thursday 40% chance of rain & snow on Friday Mostly Cloudy on Saturday Mostly Cloudy on Sunday
Low: 20°F High: 32°F High: 32°F High: 41°F High: 24°F High: 33°F High: 39°F High: 37°F
Low: 22°F Low: 21°F Low: 16°F Low: 15°F Low: 25°F Low: 27°F  
Cloudy Snow Mostly Sunny Mostly Sunny Partly Sunny Rain & Snow Mostly Cloudy Mostly Cloudy
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Current Conditions at
SCOTT AFB - (KBLV)
23°
Feels like 13°F
Cloudy
as of 9:55 PM CST
Rel. Humidity: 79%
Dew Point: 18°F
Visibility: 10 Miles
Pressure: 30.50 in.
Flight Rule: MVFR
Wind Data
9 MPH
020° North
Cloud Level(s): Solid Overcast at 1700ft
Current Conditions at
EAST ST LOUIS - (KCPS)
25°
Cloudy
as of 9:53 PM CST
Rel. Humidity: 73%
Dew Point: 18°F
Visibility: 10 Miles
Pressure: 30.52 in.
Flight Rule: MVFR
Wind Data
8 MPH
030° Northeast
Cloud Level(s): Solid Overcast at 1900ft
Current Conditions at
SPARTA - (KSAR)
23°
Feels like 11°F
Cloudy
as of 9:55 PM CST
Rel. Humidity: 79%
Dew Point: 18°F
Visibility: 10 Miles
Pressure: 30.52 in.
Flight Rule: MVFR
Wind Data
12 MPH
030° Northeast
Cloud Level(s): Solid Overcast at 1600ft
Current Conditions at
ST LOUIS - (KSTL)
23°
Feels like 13°F
Cloudy
as of 9:51 PM CST
Rel. Humidity: 79%
Dew Point: 18°F
Visibility: 10 Miles
Pressure: 30.51 in.
Flight Rule: MVFR
Wind Data
9 MPH
030° Northeast
Cloud Level(s): Solid Overcast at 1800ft
Cloudy on Tonight Tonight... Cloudy, with a low around 20. Light and variable wind.

30% chance of snow Monday Monday... A 30 percent chance of snow, mainly after 4pm. Cloudy, with a high near 32. Northeast wind 3 to 5 mph.

90% chance of snow Monday Night Monday Night... Snow, mainly before 1am. Low around 22. Calm wind becoming northwest around 6 mph after midnight. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 32. Northwest wind around 6 mph becoming calm in the afternoon.

Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 21. Calm wind becoming south around 6 mph after midnight.

Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 41.

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 16.

Partly Sunny on Thursday Thursday... Partly sunny, with a high near 24.

20% chance of snow Thursday Night Thursday Night... A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 15.

40% chance of rain & snow Friday Friday... A chance of snow before noon, then a chance of rain and snow. Mostly cloudy, with a high near 33. Chance of precipitation is 40%.

30% chance of freezing rain Friday Night Friday Night... A chance of freezing rain. Mostly cloudy, with a low around 25. Chance of precipitation is 30%.

Mostly Cloudy on Saturday Saturday... Mostly cloudy, with a high near 39.

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

Mostly Cloudy on Sunday Sunday... Mostly cloudy, with a high near 37.

Current Radar Image


Sun Almanac for Douglas, Illinois
Sunrise: 06:58 AM
Sunset: 4:40 PM
Civil Sunrise:06:29 AM
Civil Sunset: 5:09 PM
Nautical Sunrise: 05:56 AM
Nautical Sunset: 5:42 PM
Astro Sunrise: 05:24 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.