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Douglas, Illinois Weather Forecast
Douglas, Illinois Weather
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Weather Forecast for Douglas, Illinois : St. Clair County
Issued: 10:31 pm CST Dec 30, 2025 Latitude: 38.4244948 Longitude: -89.9826053 View on Google Maps

MouseOver for Detail Forecast
Tonight Wednesday New Year's Day Friday Saturday Sunday Monday Tuesday
Mostly Clear on Tonight Partly Sunny on Wednesday Partly Sunny on New Year's Day Mostly Cloudy on Friday Mostly Sunny on Saturday Mostly Sunny on Sunday Mostly Sunny on Monday Mostly Sunny on Tuesday
Low: 27°F High: 43°F High: 38°F High: 43°F High: 41°F High: 49°F High: 52°F High: 47°F
Low: 26°F Low: 29°F Low: 25°F Low: 25°F Low: 35°F Low: 31°F  
Mostly Clear Partly Sunny Partly Sunny Mostly Cloudy Mostly Sunny Mostly Sunny Mostly Sunny Mostly Sunny
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Current Conditions at
SCOTT AFB - (KBLV)
28°
Clear
as of 9:55 PM CST
Rel. Humidity: 63%
Dew Point: 18°F
Visibility: 10 Miles
Pressure: 30.12 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
EAST ST LOUIS - (KCPS)
30°
Clear
as of 9:53 PM CST
Rel. Humidity: 46%
Dew Point: 12°F
Visibility: 10 Miles
Pressure: 30.12 in.
Flight Rule: VFR
Wind Data
6 MPH
230° Southwest
Cloud Level(s): Clear
Current Conditions at
SPARTA - (KSAR)
30°
Clear
as of 10:15 PM CST
Rel. Humidity: 50%
Dew Point: 14°F
Visibility: 10 Miles
Pressure: 30.15 in.
Flight Rule: VFR
Wind Data
6 MPH
210° Southwest
Cloud Level(s): Clear
Current Conditions at
ST LOUIS - (KSTL)
32°
Feels like 23°F
Clear
as of 9:51 PM CST
Rel. Humidity: 46%
Dew Point: 14°F
Visibility: 10 Miles
Pressure: 30.12 in.
Flight Rule: VFR
Wind Data
12 MPH
240° Southwest
Cloud Level(s): Clear
Mostly Clear on Tonight Tonight... Mostly clear, with a low around 27. West wind 7 to 9 mph.
Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 43. West wind 7 to 11 mph.
Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 26. West wind around 6 mph becoming calm after midnight.
Partly Sunny on New Year's Day New Year's Day... Partly sunny, with a high near 38. Light and variable wind.
Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 29. Calm wind.
Mostly Cloudy on Friday Friday... Mostly cloudy, with a high near 43.
Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 25.
Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 41.
Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 25.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 49.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 35.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 52.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 31.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 47.
Current Radar Image


Sun Almanac for Douglas, Illinois
Sunrise: 07:17 AM
Sunset: 4:48 PM
Civil Sunrise:06:47 AM
Civil Sunset: 5:18 PM
Nautical Sunrise: 06:14 AM
Nautical Sunset: 5:51 PM
Astro Sunrise: 05:42 AM
Astro Sunset: 6:23 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.