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.

Overcast

47°F

8°C

Humidity 63%
Wind Speed NW 5 mph
Barometer 30.12 in (1020.3 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 1 Nov 11:54 am CDT
Extended Forecast for

3 Miles SW Dewitt IL

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 51. West wind 8 to 10 mph.

    High: 51 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 32. North wind 3 to 6 mph.

    Low: 32 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 55. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 55 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 36. South southwest wind 6 to 10 mph, with gusts as high as 15 mph.

    Low: 36 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 62. Southwest wind 10 to 14 mph becoming west northwest in the afternoon. Winds could gust as high as 18 mph.

    High: 62 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 37. West northwest wind 5 to 7 mph becoming light and variable after midnight.

    Low: 37 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 64. South wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 64 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 51. West wind 8 to 10 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 32. North wind 3 to 6 mph.
Sunday
Sunny, with a high near 55. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 36. South southwest wind 6 to 10 mph, with gusts as high as 15 mph.
Monday
Sunny, with a high near 62. Southwest wind 10 to 14 mph becoming west northwest in the afternoon. Winds could gust as high as 18 mph.
Monday Night
Mostly clear, with a low around 37. West northwest wind 5 to 7 mph becoming light and variable after midnight.
Tuesday
Mostly sunny, with a high near 64. South wind 5 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 46.
Wednesday
Sunny, with a high near 66.
Wednesday Night
Clear, with a low around 37.
Thursday
Sunny, with a high near 64.
Thursday Night
Mostly cloudy, with a low around 47.
Friday
A chance of showers. Partly sunny, with a high near 62. Breezy.
Basemap Options
Click map to change the forecast location
Loading map...
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:
11:31 am CDT Nov 1, 2025
Forecast Valid:
12pm CDT Nov 1, 2025-6pm CST Nov 7, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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