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Douglas, Illinois Weather Forecast
Douglas, Illinois Weather
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Weather Forecast for Douglas, Illinois : St. Clair County
Issued: 5:06 pm CST Nov 29, 2025 Latitude: 38.4244948 Longitude: -89.9826053 View on Google Maps

MouseOver for Detail Forecast
Tonight Sunday Monday Tuesday Wednesday Thursday Friday Saturday
50% chance of rain on Tonight Mostly Cloudy on Sunday 30% chance of snow on Monday Partly Sunny on Tuesday Mostly Sunny on Wednesday Partly Sunny on Thursday 20% chance of rain on Friday Partly Sunny on Saturday
Low: 23°F High: 29°F High: 31°F High: 31°F High: 42°F High: 29°F High: 39°F High: 44°F
Low: 20°F Low: 22°F Low: 18°F Low: 20°F Low: 20°F Low: 24°F  
Rain Mostly Cloudy Snow Partly Sunny Mostly Sunny Partly Sunny Rain Partly Sunny
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Current Conditions at
SCOTT AFB - (KBLV)
39°
Feels like 31°F
Cloudy
as of 5:55 PM CST
Rel. Humidity: 93%
Dew Point: 37°F
Visibility: 10 Miles
Pressure: 29.91 in.
Flight Rule: MVFR
Wind Data
14 MPH
220° Southwest
Cloud Level(s): Scattered at 900ft, Solid Overcast at 2000ft
Current Conditions at
SPARTA - (KSAR)
41°
Feels like 32°F
Cloudy
as of 6:35 PM CST
Rel. Humidity: 93%
Dew Point: 39°F
Visibility: 10 Miles
Pressure: 29.97 in.
Flight Rule: IFR
Wind Data
17 MPH
Gust: 28 MPH
180° South
Cloud Level(s): Solid Overcast at 900ft
Current Conditions at
ST LOUIS - (KSTL)
37°
Feels like 30°F
Cloudy
Light Rain
as of 5:51 PM CST
Rel. Humidity: 100%
Dew Point: 37°F
Visibility: 7 Miles
Pressure: 29.89 in.
Flight Rule: IFR
Wind Data
9 MPH
190° South
Cloud Level(s): Broken at 600ft, Solid Overcast at 1200ft
50% chance of rain Tonight Tonight... A 50 percent chance of rain before 9pm. Cloudy, with a low around 23. Breezy, with a south wind 15 to 20 mph becoming west after midnight. Winds could gust as high as 34 mph.
Mostly Cloudy on Sunday Sunday... Mostly cloudy, with a high near 29. Northwest wind 9 to 16 mph, with gusts as high as 31 mph.
Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 20. Northwest wind 5 to 8 mph becoming calm after midnight.
30% chance of snow Monday Monday... A 30 percent chance of snow after noon. Cloudy, with a high near 31. Light east wind.
70% chance of snow Monday Night Monday Night... Snow likely, mainly before midnight. Mostly cloudy, with a low around 22. Light and variable wind. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 31.
Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 18.
Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 42.
Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 20.
Partly Sunny on Thursday Thursday... Partly sunny, with a high near 29.
20% chance of snow Thursday Night Thursday Night... A 20 percent chance of snow. Mostly cloudy, with a low around 20.
20% chance of rain Friday Friday... A 20 percent chance of rain. Partly sunny, with a high near 39.
Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 24.
Partly Sunny on Saturday Saturday... Partly sunny, with a high near 44.
Current Radar Image


Sun Almanac for Douglas, Illinois
Sunrise: 06:57 AM
Sunset: 4:40 PM
Civil Sunrise:06:28 AM
Civil Sunset: 5:09 PM
Nautical Sunrise: 05:55 AM
Nautical Sunset: 5:42 PM
Astro Sunrise: 05:23 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.