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Douglas, Illinois Weather Forecast
Douglas, Illinois Weather
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Weather Forecast for Douglas, Illinois : St. Clair County
Issued: 1:21 pm CST Dec 9, 2025 Latitude: 38.4244948 Longitude: -89.9826053 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Wednesday Thursday Friday Saturday Sunday Monday
Mostly Sunny on This Afternoon 20% chance of rain on Tonight Partly Sunny on Wednesday Mostly Cloudy on Thursday Partly Sunny on Friday Partly Sunny on Saturday Mostly Sunny on Sunday 20% chance of rain & snow on Monday
High: 53°F Low: 45°F High: 34 °F High: 41°F High: 44°F High: 29°F High: 24°F High: 37°F
Low: 27°F Low: 30°F Low: 19°F Low: 11°F Low: 14°F  
Mostly Sunny Rain Partly Sunny Mostly Cloudy Partly Sunny Partly Sunny Mostly Sunny Rain & Snow
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Current Conditions at
SCOTT AFB - (KBLV)
50°
Feels like 44°F
Clear
as of 12:55 PM CST
Rel. Humidity: 53%
Dew Point: 34°F
Visibility: 10 Miles
Pressure: 29.82 in.
Flight Rule: VFR
Wind Data
15 MPH
210° Southwest
Cloud Level(s): Clear
Current Conditions at
EAST ST LOUIS - (KCPS)
52°
Clear
as of 12:53 PM CST
Rel. Humidity: 50%
Dew Point: 34°F
Visibility: 10 Miles
Pressure: 29.82 in.
Flight Rule: VFR
Wind Data
12 MPH
Gust: 22 MPH
200° South
Cloud Level(s): Clear
Current Conditions at
SPARTA - (KSAR)
46°
Feels like 40°F
Clear
as of 1:15 PM CST
Rel. Humidity: 56%
Dew Point: 32°F
Visibility: 10 Miles
Pressure: 29.87 in.
Flight Rule: VFR
Wind Data
14 MPH
Gust: 22 MPH
180° South
Cloud Level(s): Clear
Current Conditions at
ST LOUIS - (KSTL)
54°
Partly Cloudy
as of 12:51 PM CST
Rel. Humidity: 46%
Dew Point: 34°F
Visibility: 10 Miles
Pressure: 29.81 in.
Flight Rule: VFR
Wind Data
13 MPH
210° Southwest
Cloud Level(s): Scattered at 11000ft, Scattered at 25000ft
Mostly Sunny on This Afternoon This Afternoon... Mostly sunny, with a high near 53. South wind 10 to 15 mph, with gusts as high as 23 mph.

20% chance of rain Tonight Tonight... A slight chance of rain between 1am and 5am. Mostly cloudy, with a steady temperature around 45. South wind around 16 mph becoming west after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 20%.

Partly Sunny on Wednesday Wednesday... Partly sunny, with a temperature falling to around 34 by 5pm. Breezy, with a northwest wind 20 to 25 mph decreasing to 13 to 18 mph in the afternoon. Winds could gust as high as 46 mph.

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 27. Northwest wind 5 to 9 mph becoming calm after midnight.

Mostly Cloudy on Thursday Thursday... Mostly cloudy, with a high near 41. Calm wind becoming southwest around 6 mph in the morning.

Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 30.

Partly Sunny on Friday Friday... Partly sunny, with a high near 44.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 19.

Partly Sunny on Saturday Saturday... Partly sunny, with a high near 29.

Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 11.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 24.

Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 14.

20% chance of rain & snow Monday Monday... A slight chance of rain and snow. Partly sunny, with a high near 37. Chance of precipitation is 20%.

Current Radar Image


Sun Almanac for Douglas, Illinois
Sunrise: 07:06 AM
Sunset: 4:39 PM
Civil Sunrise:06:36 AM
Civil Sunset: 5:09 PM
Nautical Sunrise: 06:03 AM
Nautical Sunset: 5:42 PM
Astro Sunrise: 05:31 AM
Astro Sunset: 6:14 PM
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