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Douglas, Illinois Weather Forecast
Douglas, Illinois Weather
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Weather Forecast for Douglas, Illinois : St. Clair County
Issued: 3:16 am CST Dec 30, 2025 Latitude: 38.4244948 Longitude: -89.9826053 View on Google Maps

MouseOver for Detail Forecast
Overnight Tuesday Wednesday New Year's Day Friday Saturday Sunday Monday
Mostly Clear on Overnight Increasing Clouds on Tuesday Partly Sunny on Wednesday Mostly Sunny on New Year's Day Mostly Cloudy on Friday Mostly Sunny on Saturday Mostly Sunny on Sunday Sunny on Monday
Low: 17°F High: 35°F High: 43°F High: 38°F High: 45°F High: 42°F High: 51°F High: 50°F
Low: 28°F Low: 25°F Low: 29°F Low: 27°F Low: 27°F Low: 33°F  
Mostly Clear Increasing Clouds Partly Sunny Mostly Sunny Mostly Cloudy Mostly Sunny Mostly Sunny Sunny
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Current Conditions at
SCOTT AFB - (KBLV)
19°
Feels like 7°F
Clear
as of 2:55 AM CST
Rel. Humidity: 73%
Dew Point: 12°F
Visibility: 10 Miles
Pressure: 30.39 in.
Flight Rule: VFR
Wind Data
12 MPH
290° West
Cloud Level(s): Clear
Current Conditions at
SPARTA - (KSAR)
19°
Feels like 7°F
Clear
as of 3:15 AM CST
Rel. Humidity: 73%
Dew Point: 12°F
Visibility: 10 Miles
Pressure: 30.41 in.
Flight Rule: VFR
Wind Data
10 MPH
300° Northwest
Cloud Level(s): Clear
Current Conditions at
ST LOUIS - (KSTL)
18°
Feels like 4°F
Clear
as of 2:51 AM CST
Rel. Humidity: 72%
Dew Point: 10°F
Visibility: 10 Miles
Pressure: 30.40 in.
Flight Rule: VFR
Wind Data
12 MPH
290° West
Cloud Level(s): Clear
Mostly Clear on Overnight Overnight... Mostly clear, with a low around 17. Northwest wind around 10 mph.
Increasing Clouds on Tuesday Tuesday... Increasing clouds, with a high near 35. Northwest wind 7 to 10 mph.
Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, then gradually becoming clear, with a low around 28. Southwest wind 7 to 10 mph.
Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 43. West wind 6 to 10 mph.
Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 25. West wind around 5 mph becoming light and variable.
Mostly Sunny on New Year's Day New Year's Day... Mostly sunny, with a high near 38.
Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 29.
Mostly Cloudy on Friday Friday... Mostly cloudy, with a high near 45.
Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 27.
Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 42.
Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 27.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 51.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 33.
Sunny on Monday Monday... Sunny, with a high near 50.
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
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