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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 Dec 8, 2025 Latitude: 38.4244948 Longitude: -89.9826053 View on Google Maps

MouseOver for Detail Forecast
Tonight Tuesday Wednesday Thursday Friday Saturday Sunday Monday
Increasing Clouds on Tonight Mostly Sunny 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: 27°F High: 53°F High: 49°F High: 39°F High: 37°F High: 26°F High: 30°F High: 39°F
Low: 41°F Low: 26°F Low: 27°F Low: 15°F Low: 15°F Low: 20°F  
Increasing Clouds Mostly Sunny Partly Sunny Snow Partly Sunny Partly Sunny Mostly Sunny Rain
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Current Conditions at
SCOTT AFB - (KBLV)
30°
Partly Cloudy
as of 4:55 PM CST
Rel. Humidity: 68%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 30.27 in.
Flight Rule: VFR
Wind Data
5 MPH
090° East
Cloud Level(s): Scattered at 18000ft
Current Conditions at
EAST ST LOUIS - (KCPS)
30°
Clear
as of 4:53 PM CST
Rel. Humidity: 74%
Dew Point: 23°F
Visibility: 10 Miles
Pressure: 30.27 in.
Flight Rule: VFR
Wind Data
6 MPH
060° Northeast
Cloud Level(s): Clear
Current Conditions at
SPARTA - (KSAR)
30°
Clear
as of 4:55 PM CST
Rel. Humidity: 68%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 30.29 in.
Flight Rule: VFR
Wind Data
3 MPH
060° Northeast
Cloud Level(s): Clear
Current Conditions at
ST LOUIS - (KSTL)
30°
Mostly Cloudy
as of 4:51 PM CST
Rel. Humidity: 68%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 30.26 in.
Flight Rule: VFR
Wind Data
6 MPH
070° East
Cloud Level(s): Broken at 20000ft, Broken at 25000ft
Increasing Clouds on Tonight Tonight... Increasing clouds, with a low around 27. Light and variable wind becoming south 5 to 8 mph in the evening.

Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 53. South wind 9 to 13 mph, with gusts as high as 24 mph.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 41. South wind 14 to 16 mph becoming west after midnight. Winds could gust as high as 33 mph.

Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 49. Breezy, with a northwest wind 20 to 25 mph decreasing to 14 to 19 mph in the afternoon. Winds could gust as high as 36 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: 07:05 AM
Sunset: 4:39 PM
Civil Sunrise:06:36 AM
Civil Sunset: 5:09 PM
Nautical Sunrise: 06:02 AM
Nautical Sunset: 5:42 PM
Astro Sunrise: 05:30 AM
Astro Sunset: 6:14 PM
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