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Douglas, Illinois Weather Forecast
Douglas, Illinois Weather
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Weather Forecast for Douglas, Illinois : St. Clair County
Issued: 8:26 am CST Jan 7, 2026 Latitude: 38.4244948 Longitude: -89.9826053 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Thursday Friday Saturday Sunday Monday Tuesday
Sunny on Today Cloudy on Tonight 80% chance of rain on Thursday Partly Sunny on Friday Partly Sunny on Saturday Sunny on Sunday Sunny on Monday Mostly Sunny on Tuesday
High: 62°F Low: 44°F High: 65°F High: 62°F High: 46°F High: 35°F High: 47°F High: 51°F
Low: 53°F Low: 41°F Low: 26°F Low: 22°F Low: 31°F  
Sunny Cloudy Rain Partly Sunny Partly Sunny Sunny Sunny Mostly Sunny
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Current Conditions at
SCOTT AFB - (KBLV)
57°
Clear
as of 10:55 AM CST
Rel. Humidity: 54%
Dew Point: 41°F
Visibility: 10 Miles
Pressure: 29.96 in.
Flight Rule: VFR
Wind Data
9 MPH
200° South
Cloud Level(s): Clear
Current Conditions at
EAST ST LOUIS - (KCPS)
55°
Clear
as of 10:53 AM CST
Rel. Humidity: 50%
Dew Point: 37°F
Visibility: 10 Miles
Pressure: 29.98 in.
Flight Rule: VFR
Wind Data
8 MPH
250° West
Cloud Level(s): Clear
Current Conditions at
SPARTA - (KSAR)
55°
Clear
as of 10:55 AM CST
Rel. Humidity: 50%
Dew Point: 37°F
Visibility: 10 Miles
Pressure: 29.99 in.
Flight Rule: VFR
Wind Data
7 MPH
160° South
Cloud Level(s): Clear
Current Conditions at
ST LOUIS - (KSTL)
57°
Partly Cloudy
as of 10:51 AM CST
Rel. Humidity: 47%
Dew Point: 37°F
Visibility: 10 Miles
Pressure: 29.98 in.
Flight Rule: VFR
Wind Data
9 MPH
220° Southwest
Cloud Level(s): Scattered at 25000ft
Sunny on Today Today... Sunny, with a high near 62. South wind 5 to 7 mph.

Cloudy on Tonight Tonight... Partly cloudy, with a low around 44. South wind 6 to 8 mph.

80% chance of rain Thursday Thursday... Rain, mainly after 5pm. High near 65. Breezy, with a south wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 80%.

70% chance of rain Thursday Night Thursday Night... Rain likely, mainly before midnight. Mostly cloudy, with a low around 53. South wind 9 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 70%.

Partly Sunny on Friday Friday... Partly sunny, with a high near 62. Southwest wind 6 to 8 mph becoming north in the afternoon.

40% chance of rain Friday Night Friday Night... A 40 percent chance of rain. Mostly cloudy, with a low around 41.

Partly Sunny on Saturday Saturday... Partly sunny, with a high near 46.

Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 26.

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

Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 22.

Sunny on Monday Monday... Sunny, with a high near 47.

Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 31.

Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 51.

Current Radar Image


Sun Almanac for Douglas, Illinois
Sunrise: 07:17 AM
Sunset: 4:55 PM
Civil Sunrise:06:48 AM
Civil Sunset: 5:25 PM
Nautical Sunrise: 06:15 AM
Nautical Sunset: 5:57 PM
Astro Sunrise: 05:43 AM
Astro Sunset: 6:30 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.