National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Fair

82°F

28°C

Humidity 27%
Wind Speed E 9 mph
Barometer 30.16 in (1020.9 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 1 Sep 2:54 pm CDT
Extended Forecast for

3 Miles SW Dewitt IL

  • Labor Day

    Labor Day: Sunny, with a high near 80. East northeast wind around 8 mph.

    High: 80 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 54. Northeast wind around 6 mph.

    Low: 54 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 82. Northeast wind around 5 mph becoming calm.

    High: 82 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 56. Light and variable wind.

    Low: 56 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 81. Southwest wind 5 to 14 mph, with gusts as high as 20 mph.

    High: 81 °F

    Sunny then
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Low around 49. West wind around 11 mph becoming north northwest after midnight. Winds could gust as high as 16 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 49 °F

    Showers

  • Thursday

    Thursday: Sunny, with a high near 68. Northwest wind around 11 mph, with gusts as high as 16 mph.

    High: 68 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

Detailed Forecast

Labor Day
Sunny, with a high near 80. East northeast wind around 8 mph.
Tonight
Mostly clear, with a low around 54. Northeast wind around 6 mph.
Tuesday
Sunny, with a high near 82. Northeast wind around 5 mph becoming calm.
Tuesday Night
Mostly clear, with a low around 56. Light and variable wind.
Wednesday
A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 81. Southwest wind 5 to 14 mph, with gusts as high as 20 mph.
Wednesday Night
Showers and possibly a thunderstorm. Low around 49. West wind around 11 mph becoming north northwest after midnight. Winds could gust as high as 16 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Sunny, with a high near 68. Northwest wind around 11 mph, with gusts as high as 16 mph.
Thursday Night
Mostly clear, with a low around 51.
Friday
Mostly sunny, with a high near 72.
Friday Night
Mostly clear, with a low around 46.
Saturday
Sunny, with a high near 71.
Saturday Night
Mostly clear, with a low around 46.
Sunday
Sunny, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Dewitt IL
 40.17°N 88.78°W (Elev. 699 ft)
Last Update:
3:41 pm CDT Sep 1, 2025
Forecast Valid:
3pm CDT Sep 1, 2025-6pm CDT Sep 7, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation