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Douglas, Illinois Weather Forecast
Douglas, Illinois Weather
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Weather Forecast for Douglas, Illinois : St. Clair County
Issued: 3:31 pm CST Dec 28, 2025 Latitude: 38.4244948 Longitude: -89.9826053 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Monday Tuesday Wednesday New Year's Day Friday Saturday Sunday
40% chance of thunderstorms on This Afternoon Mostly Cloudy on Tonight Mostly Sunny on Monday Sunny on Tuesday Mostly Sunny on Wednesday Mostly Sunny on New Year's Day Partly Sunny on Friday Mostly Sunny on Saturday Mostly Sunny on Sunday
High: 73°F Low: 19°F High: 29°F High: 36°F High: 43°F High: 41°F High: 43°F High: 44°F High: 42°F
Low: 18°F Low: 28°F Low: 25°F Low: 23°F Low: 28°F Low: 24°F  
Thunderstorms Mostly Cloudy Mostly Sunny Sunny Mostly Sunny Mostly Sunny Partly Sunny Mostly Sunny Mostly Sunny
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Current Conditions at
SCOTT AFB - (KBLV)
75°
Mostly Cloudy
as of 3:30 PM CST
Rel. Humidity: 60%
Dew Point: 61°F
Visibility: 10 Miles
Pressure: 29.51 in.
Flight Rule: VFR
Wind Data
21 MPH
Gust: 33 MPH
300° Northwest
Cloud Level(s): Broken at 5500ft
Current Conditions at
EAST ST LOUIS - (KCPS)
66°
Cloudy
Light Rain
as of 3:25 PM CST
Rel. Humidity: 68%
Dew Point: 55°F
Visibility: 10 Miles
Pressure: 29.56 in.
Flight Rule: VFR
Wind Data
32 MPH
Gust: 43 MPH
310° Northwest
Cloud Level(s): Broken at 6500ft, Broken at 8000ft, Solid Overcast at 10000ft
Current Conditions at
SPARTA - (KSAR)
73°
Mostly Cloudy
as of 3:15 PM CST
Rel. Humidity: 64%
Dew Point: 61°F
Visibility: 10 Miles
Pressure: 29.56 in.
Flight Rule: VFR
Wind Data
10 MPH
190° South
Cloud Level(s): Scattered at 5000ft, Scattered at 6000ft, Broken at 8000ft
Current Conditions at
ST LOUIS - (KSTL)
64°
Mostly Cloudy
as of 2:51 PM CST
Rel. Humidity: 72%
Dew Point: 55°F
Visibility: 10 Miles
Pressure: 29.55 in.
Flight Rule: VFR
Wind Data
26 MPH
Gust: 44 MPH
300° Northwest
Cloud Level(s): Broken at 5500ft, Broken at 7500ft
40% chance of thunderstorms This Afternoon This Afternoon... A 40 percent chance of rain and thunderstorms. Mostly cloudy, with a high near 73. Breezy, with a west wind 20 to 24 mph, with gusts as high as 38 mph.

Mostly Cloudy on Tonight Tonight... Mostly cloudy, with a low around 19. Breezy, with a west wind 23 to 26 mph, with gusts as high as 41 mph.

Mostly Sunny on Monday Monday... Mostly sunny, with a high near 29. Blustery, with a northwest wind 15 to 23 mph, with gusts as high as 36 mph.

Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 18. Northwest wind 7 to 14 mph, with gusts as high as 23 mph.

Sunny on Tuesday Tuesday... Sunny, with a high near 36. West wind around 7 mph.

Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 28.

Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 43.

Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 25.

Mostly Sunny on New Year's Day New Year's Day... Mostly sunny, with a high near 41.

Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 23.

Partly Sunny on Friday Friday... Partly sunny, with a high near 43.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 28.

Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 44.

Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 24.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 42.

Current Radar Image


Sun Almanac for Douglas, Illinois
Sunrise: 07:16 AM
Sunset: 4:47 PM
Civil Sunrise:06:47 AM
Civil Sunset: 5:17 PM
Nautical Sunrise: 06:14 AM
Nautical Sunset: 5:50 PM
Astro Sunrise: 05:41 AM
Astro Sunset: 6:22 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.