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Douglas, Illinois Weather Forecast
Douglas, Illinois Weather
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Weather Forecast for Douglas, Illinois : St. Clair County
Issued: 6:16 am CST Nov 29, 2025 Latitude: 38.4244948 Longitude: -89.9826053 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Sunday Monday Tuesday Wednesday Thursday Friday
100% chance of rain, snow, & sleet on Today 40% chance of rain on Tonight Mostly Cloudy on Sunday 20% chance of snow on Monday Partly Sunny on Tuesday Mostly Sunny on Wednesday Partly Sunny on Thursday 20% chance of rain on Friday
High: 40°F Low: 25°F High: 30°F High: 31°F High: 30°F High: 40°F High: 28°F High: 39°F
Low: 19°F Low: 22°F Low: 17°F Low: 18°F Low: 20°F  
Rain, Snow, & Sleet Rain Mostly Cloudy Snow Partly Sunny Mostly Sunny Partly Sunny Rain
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Current Conditions at
SCOTT AFB - (KBLV)
34°
Feels like 26°F
Cloudy
Light Snow
as of 6:15 AM CST
Rel. Humidity: 80%
Dew Point: 28°F
Visibility: 1 3/4 Miles
Pressure: 30.25 in.
Flight Rule: IFR
Wind Data
9 MPH
140° Southeast
Cloud Level(s): Solid Overcast at 1600ft
Current Conditions at
EAST ST LOUIS - (KCPS)
30°
Feels like 20°F
Cloudy
Snow Freezing Fog
as of 6:30 AM CST
Rel. Humidity: 100%
Dew Point: 30°F
Visibility: 1/2 Miles
Pressure: 30.24 in.
Flight Rule: IFR
Wind Data
13 MPH
130° Southeast
Current Conditions at
SPARTA - (KSAR)
36°
Feels like 27°F
Cloudy
as of 6:15 AM CST
Rel. Humidity: 59%
Dew Point: 23°F
Visibility: 10 Miles
Pressure: 30.28 in.
Flight Rule: VFR
Wind Data
12 MPH
Gust: 17 MPH
120° Southeast
Cloud Level(s): Scattered at 3500ft, Broken at 4400ft, Solid Overcast at 5500ft
Current Conditions at
ST LOUIS - (KSTL)
30°
Feels like 18°F
Clear
Heavy Snow Freezing Fog
as of 6:08 AM CST
Rel. Humidity: 100%
Dew Point: 30°F
Visibility: 1/4 Miles
Pressure: 30.22 in.
Flight Rule: IFR
Wind Data
17 MPH
110° East
100% chance of rain, snow, & sleet Today Today... Rain and snow, possibly mixed with sleet, becoming all rain after 2pm. High near 40. Southeast wind 11 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. Total daytime snow and sleet accumulation of 1 to 3 inches possible.

40% chance of rain Tonight Tonight... A 40 percent chance of rain, mainly before 9pm. Cloudy, with a low around 25. South wind 16 to 18 mph becoming west after midnight. Winds could gust as high as 33 mph.

Mostly Cloudy on Sunday Sunday... Mostly cloudy, with a high near 30. Northwest wind 10 to 17 mph, with gusts as high as 30 mph.

Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 19. Northwest wind 5 to 7 mph becoming calm after midnight.

20% chance of snow Monday Monday... A 20 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. Cloudy, with a low around 22. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 30.

Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 17.

Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 40.

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 18.

Partly Sunny on Thursday Thursday... Partly sunny, with a high near 28.

Mostly Cloudy on Thursday Night Thursday Night... 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.

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.