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Douglas, Illinois Weather Forecast
Douglas, Illinois Weather
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Weather Forecast for Douglas, Illinois : St. Clair County
Issued: 3:16 am CST Nov 30, 2025 Latitude: 38.4244948 Longitude: -89.9826053 View on Google Maps

MouseOver for Detail Forecast
Overnight Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Mostly Cloudy on Overnight Partly Sunny on Sunday 40% chance of snow on Monday Partly Sunny on Tuesday Mostly Sunny on Wednesday Partly Sunny on Thursday 40% chance of rain & snow on Friday Mostly Cloudy on Saturday
Low: 22°F High: 28°F High: 32°F High: 32°F High: 41°F High: 24°F High: 32°F High: 41°F
Low: 20°F Low: 21°F Low: 19°F Low: 17°F Low: 14°F Low: 24°F  
Mostly Cloudy Partly Sunny Snow Partly Sunny Mostly Sunny Partly Sunny Rain & Snow Mostly Cloudy
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Current Conditions at
SCOTT AFB - (KBLV)
30°
Feels like 17°F
Mostly Cloudy
as of 3:30 AM CST
Rel. Humidity: 68%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 30.19 in.
Flight Rule: MVFR
Wind Data
22 MPH
Gust: 26 MPH
280° West
Cloud Level(s): Broken at 3000ft, Broken at 3700ft
Current Conditions at
EAST ST LOUIS - (KCPS)
30°
Feels like 15°F
Mostly Cloudy
Light Snow
as of 3:10 AM CST
Rel. Humidity: 63%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 30.22 in.
Flight Rule: VFR
Wind Data
26 MPH
Gust: 41 MPH
300° Northwest
Cloud Level(s): Broken at 3100ft, Broken at 3600ft
Current Conditions at
SPARTA - (KSAR)
32°
Feels like 23°F
Cloudy
as of 3:15 AM CST
Rel. Humidity: 68%
Dew Point: 23°F
Visibility: 10 Miles
Pressure: 30.22 in.
Flight Rule: MVFR
Wind Data
10 MPH
Gust: 23 MPH
280° West
Cloud Level(s): Solid Overcast at 2900ft
Current Conditions at
ST LOUIS - (KSTL)
28°
Feels like 14°F
Cloudy
as of 2:51 AM CST
Rel. Humidity: 68%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 30.20 in.
Flight Rule: MVFR
Wind Data
23 MPH
Gust: 37 MPH
290° West
Cloud Level(s): Solid Overcast at 2900ft
Mostly Cloudy on Overnight Overnight... Mostly cloudy, with a low around 22. West wind around 17 mph, with gusts as high as 30 mph.
Partly Sunny on Sunday Sunday... Partly sunny, with a high near 28. Northwest wind 10 to 16 mph, with gusts as high as 29 mph.
Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 20. Northwest wind 5 to 8 mph becoming light and variable in the evening.
40% chance of snow Monday Monday... A 40 percent chance of snow after noon. Cloudy, with a high near 32. East wind around 5 mph becoming calm in the afternoon.
80% chance of snow Monday Night Monday Night... Snow, mainly before midnight. Low around 21. Calm wind becoming northwest around 6 mph after midnight. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 32.
Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 19.
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 17.
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. Mostly cloudy, with a low around 14.
40% chance of rain & snow Friday Friday... A chance of rain and snow. Mostly cloudy, with a high near 32. Chance of precipitation is 40%.
20% chance of freezing rain Friday Night Friday Night... A slight chance of freezing rain. Mostly cloudy, with a low around 24. Chance of precipitation is 20%.
Mostly Cloudy on Saturday Saturday... Mostly cloudy, with a high near 41.
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.