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Douglas, Illinois Weather Forecast
Douglas, Illinois Weather
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Weather Forecast for Douglas, Illinois : St. Clair County
Issued: 11:31 pm CST Dec 8, 2025 Latitude: 38.4244948 Longitude: -89.9826053 View on Google Maps

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Tonight Tuesday Wednesday Thursday Friday Saturday Sunday Monday
Increasing Clouds on Tonight Clearing on Tuesday Partly Sunny on Wednesday 20% chance of snow on Thursday Partly Sunny on Friday Partly Sunny on Saturday Mostly Sunny on Sunday 20% chance of rain on Monday
Low: 26°F High: 52°F High: 39 °F High: 39°F High: 37°F High: 26°F High: 30°F High: 39°F
Low: 46°F Low: 26°F Low: 27°F Low: 15°F Low: 15°F Low: 20°F  
Increasing Clouds Clearing Partly Sunny Snow Partly Sunny Partly Sunny Mostly Sunny Rain
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Current Conditions at
SCOTT AFB - (KBLV)
28°
Cloudy
as of 10:55 PM CST
Rel. Humidity: 79%
Dew Point: 23°F
Visibility: 10 Miles
Pressure: 30.17 in.
Flight Rule: VFR
Wind Data
7 MPH
160° South
Cloud Level(s): Solid Overcast at 13000ft
Current Conditions at
EAST ST LOUIS - (KCPS)
30°
Mostly Cloudy
as of 10:53 PM CST
Rel. Humidity: 68%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 30.17 in.
Flight Rule: VFR
Wind Data
7 MPH
170° South
Cloud Level(s): Broken at 11000ft
Current Conditions at
SPARTA - (KSAR)
28°
Partly Cloudy
as of 11:15 PM CST
Rel. Humidity: 68%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 30.21 in.
Flight Rule: VFR
Wind Data
5 MPH
150° Southeast
Cloud Level(s): Scattered at 11000ft
Current Conditions at
ST LOUIS - (KSTL)
32°
Feels like 23°F
Mostly Cloudy
as of 10:51 PM CST
Rel. Humidity: 63%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 30.15 in.
Flight Rule: VFR
Wind Data
12 MPH
170° South
Cloud Level(s): Broken at 11000ft
Increasing Clouds on Tonight Tonight... Increasing clouds, with a low around 26. South wind around 9 mph, with gusts as high as 20 mph.

Clearing on Tuesday Tuesday... Cloudy through mid morning, then gradual clearing, with a high near 52. South wind 8 to 14 mph, with gusts as high as 24 mph.

Partly Cloudy on Tuesday Night Tuesday Night... Cloudy, then gradually becoming partly cloudy, with a steady temperature around 46. South wind around 15 mph becoming west after midnight. Winds could gust as high as 26 mph.

Partly Sunny on Wednesday Wednesday... Partly sunny, with a temperature falling to around 39 by 5pm. Breezy, with a northwest wind 20 to 25 mph decreasing to 14 to 19 mph in the afternoon. Winds could gust as high as 43 mph.

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 26. Northwest wind 5 to 9 mph becoming light after midnight.

20% chance of snow Thursday Thursday... A 20 percent chance of snow before noon. Mostly cloudy, with a high near 39.

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

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

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 15.

Partly Sunny on Saturday Saturday... Partly sunny, with a high near 26.

Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 15.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 30.

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

20% chance of rain Monday Monday... A 20 percent chance of rain. Mostly cloudy, with a high near 39.

Current Radar Image


Sun Almanac for Douglas, Illinois
Sunrise: 07:06 AM
Sunset: 4:39 PM
Civil Sunrise:06:36 AM
Civil Sunset: 5:09 PM
Nautical Sunrise: 06:03 AM
Nautical Sunset: 5:42 PM
Astro Sunrise: 05:31 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.