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Douglas, Illinois Weather Forecast
Douglas, Illinois Weather
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Weather Forecast for Douglas, Illinois : St. Clair County
Issued: 10:51 am CST Jan 14, 2026 Latitude: 38.4244948 Longitude: -89.9826053 View on Google Maps

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Today Tonight Thursday Friday Saturday Sunday M.L.King Day Tuesday
Mostly Sunny on Today Clear on Tonight Increasing Clouds on Thursday Partly Sunny on Friday Partly Sunny on Saturday Mostly Sunny on Sunday Mostly Sunny on M.L.King Day Sunny on Tuesday
High: 31 °F Low: 17°F High: 34°F High: 45°F High: 28°F High: 26°F High: 31°F High: 35°F
Low: 28°F Low: 20°F Low: 9°F Low: 16°F Low: 12°F  
Mostly Sunny Clear Increasing Clouds Partly Sunny Partly Sunny Mostly Sunny Mostly Sunny Sunny
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Current Conditions at
SCOTT AFB - (KBLV)
41°
Feels like 30°F
Clear
as of 10:55 AM CST
Rel. Humidity: 44%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 29.90 in.
Flight Rule: VFR
Wind Data
24 MPH
Gust: 33 MPH
330° Northwest
Cloud Level(s): Clear
Current Conditions at
EAST ST LOUIS - (KCPS)
39°
Feels like 27°F
Clear
Light Rain
as of 10:53 AM CST
Rel. Humidity: 44%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 29.94 in.
Flight Rule: VFR
Wind Data
29 MPH
Gust: 44 MPH
330° Northwest
Cloud Level(s): Clear
Current Conditions at
SPARTA - (KSAR)
41°
Feels like 33°F
Partly Cloudy
as of 10:55 AM CST
Rel. Humidity: 52%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 29.91 in.
Flight Rule: VFR
Wind Data
14 MPH
Gust: 29 MPH
320° Northwest
Cloud Level(s): Scattered at 3600ft
Current Conditions at
ST LOUIS - (KSTL)
39°
Feels like 29°F
Mostly Clear
as of 10:51 AM CST
Rel. Humidity: 48%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 29.94 in.
Flight Rule: VFR
Wind Data
20 MPH
Gust: 36 MPH
320° Northwest
Cloud Level(s): Few at 2500ft
Mostly Sunny on Today Today... Mostly sunny, with a temperature falling to around 31 by 5pm. Breezy, with a northwest wind 21 to 24 mph, with gusts as high as 36 mph.

Clear on Tonight Tonight... Clear, with a low around 17. Northwest wind 8 to 17 mph, with gusts as high as 28 mph.

Increasing Clouds on Thursday Thursday... Increasing clouds, with a high near 34. Northwest wind 6 to 8 mph becoming south in the afternoon.

30% chance of snow Thursday Night Thursday Night... A 30 percent chance of snow, mainly before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 28. South wind 6 to 10 mph becoming west after midnight. Winds could gust as high as 20 mph.

Partly Sunny on Friday Friday... Partly sunny, with a high near 45. West wind 10 to 18 mph, with gusts as high as 26 mph.

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

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

Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 9.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 26.

Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 16.

Mostly Sunny on M.L.King Day M.L.King Day... Mostly sunny, with a high near 31.

Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 12.

Sunny on Tuesday Tuesday... Sunny, with a high near 35.

Current Radar Image


Sun Almanac for Douglas, Illinois
Sunrise: 07:16 AM
Sunset: 5:02 PM
Civil Sunrise:06:47 AM
Civil Sunset: 5:31 PM
Nautical Sunrise: 06:14 AM
Nautical Sunset: 6:04 PM
Astro Sunrise: 05:43 AM
Astro Sunset: 6:36 PM
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