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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 Nov 25, 2025 Latitude: 38.4244948 Longitude: -89.9826053 View on Google Maps

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Overnight Tuesday Wednesday Thanksgiving Day Friday Saturday Sunday Monday
20% chance of rain on Overnight 20% chance of rain on Tuesday Mostly Sunny on Wednesday Sunny on Thanksgiving Day Mostly Sunny on Friday 80% chance of rain & snow on Saturday 40% chance of rain on Sunday 40% chance of rain on Monday
Low: 51°F High: 59°F High: 46°F High: 43°F High: 40°F High: 39°F High: 41°F High: 40°F
Low: 35°F Low: 28°F Low: 22°F Low: 31°F Low: 30°F Low: 28°F  
Rain Rain Mostly Sunny Sunny Mostly Sunny Rain & Snow Rain Rain
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Current Conditions at
SCOTT AFB - (KBLV)
54°
Cloudy
as of 3:55 AM CST
Rel. Humidity: 100%
Dew Point: 54°F
Visibility: 5 Miles
Pressure: 29.78 in.
Flight Rule: IFR
Wind Data
5 MPH
240° Southwest
Cloud Level(s): Solid Overcast at 600ft
Current Conditions at
EAST ST LOUIS - (KCPS)
54°
Cloudy
as of 3:53 AM CST
Rel. Humidity: 93%
Dew Point: 52°F
Visibility: 9 Miles
Pressure: 29.80 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Few at 800ft, Solid Overcast at 2200ft
Current Conditions at
SPARTA - (KSAR)
52°
Cloudy
Light Drizzle
as of 3:55 AM CST
Rel. Humidity: 100%
Dew Point: 52°F
Visibility: 10 Miles
Pressure: 29.81 in.
Flight Rule: MVFR
Wind Data
6 MPH
170° South
Cloud Level(s): Scattered at 400ft, Broken at 2500ft, Solid Overcast at 6500ft
Current Conditions at
ST LOUIS - (KSTL)
52°
Cloudy
Mist
as of 4:00 AM CST
Rel. Humidity: 100%
Dew Point: 52°F
Visibility: 4 Miles
Pressure: 29.80 in.
Flight Rule: IFR
Wind Data
3 MPH
200° South
Cloud Level(s): Broken at 900ft, Solid Overcast at 1400ft
20% chance of rain Overnight Overnight... Isolated showers. Patchy fog. Otherwise, cloudy, with a low around 51. Light southwest wind. Chance of precipitation is 20%.
20% chance of rain Tuesday Tuesday... Isolated showers before 7am. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 59. Light southwest wind becoming west 5 to 9 mph in the morning. Chance of precipitation is 20%.
20% chance of rain Tuesday Night Tuesday Night... Isolated showers between 8pm and 9pm. Cloudy during the early evening, then gradual clearing, with a low around 35. West wind 8 to 17 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.
Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 46. Breezy, with a west wind 13 to 21 mph, with gusts as high as 33 mph.
Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 28. West wind 6 to 9 mph.
Sunny on Thanksgiving Day Thanksgiving Day... Sunny, with a high near 43.
Mostly Clear on Thursday Night Thursday Night... Mostly clear, with a low around 22.
Mostly Sunny on Friday Friday... Mostly sunny, with a high near 40.
60% chance of rain & snow Friday Night Friday Night... A slight chance of snow before midnight, then rain and snow likely. Cloudy, with a low around 31. Chance of precipitation is 60%.
80% chance of rain & snow Saturday Saturday... Rain, possibly mixed with snow. High near 39. Chance of precipitation is 80%.
60% chance of rain Saturday Night Saturday Night... Rain likely. Cloudy, with a low around 30. Chance of precipitation is 60%.
40% chance of rain Sunday Sunday... A 40 percent chance of rain. Mostly cloudy, with a high near 41.
40% chance of rain & snow Sunday Night Sunday Night... A chance of rain and snow. Mostly cloudy, with a low around 28. Chance of precipitation is 40%.
40% chance of rain Monday Monday... A 40 percent chance of rain. Mostly cloudy, with a high near 40.
Current Radar Image


Sun Almanac for Douglas, Illinois
Sunrise: 06:53 AM
Sunset: 4:41 PM
Civil Sunrise:06:24 AM
Civil Sunset: 5:10 PM
Nautical Sunrise: 05:51 AM
Nautical Sunset: 5:43 PM
Astro Sunrise: 05:20 AM
Astro Sunset: 6:14 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.