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

32°C

90°F

Humidity 44%
Wind Speed SW 13 km/h
Barometer 1015.9 mb (30.02 in)
Dewpoint 18°C (65°F)
Visibility 16 km
Heat Index33°C (92°F)
Last update 3 Jul 4:54 pm CDT
Extended Forecast for

3 Miles ESE Warrensburg IL

  • Tonight

    Tonight: Mostly clear, with a low around 21. Calm wind.

    Low: 21 °C

    Mostly Clear

  • Independence Day

    Independence Day: Sunny, with a high near 33. South wind 8 to 13 km/h.

    High: 33 °C

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 21. South southeast wind around 11 km/h.

    Low: 21 °C

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 33. South southwest wind 10 to 16 km/h, with gusts as high as 26 km/h.

    High: 33 °C

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 22. South wind 11 to 14 km/h.

    Low: 22 °C

    Partly Cloudy

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 31. Southwest wind 11 to 18 km/h, with gusts as high as 24 km/h.

    High: 31 °C

    Partly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 21. West wind 8 to 13 km/h.

    Low: 21 °C

    Mostly Cloudy

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 31. Chance of precipitation is 30%.

    High: 31 °C

    Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 20.

    Low: 20 °C

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 21. Calm wind.
Independence Day
Sunny, with a high near 33. South wind 8 to 13 km/h.
Friday Night
Mostly clear, with a low around 21. South southeast wind around 11 km/h.
Saturday
Sunny, with a high near 33. South southwest wind 10 to 16 km/h, with gusts as high as 26 km/h.
Saturday Night
Partly cloudy, with a low around 22. South wind 11 to 14 km/h.
Sunday
A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 31. Southwest wind 11 to 18 km/h, with gusts as high as 24 km/h.
Sunday Night
Mostly cloudy, with a low around 21. West wind 8 to 13 km/h.
Monday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 31. Chance of precipitation is 30%.
Monday Night
Mostly clear, with a low around 20.
Tuesday
Mostly sunny, with a high near 31.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 20.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 31.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 20.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 30.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Warrensburg IL
 39.91°N 89.02°W (Elev. 699 m)
Last Update:
4:40 pm CDT Jul 3, 2025
Forecast Valid:
5pm CDT Jul 3, 2025-6pm CDT Jul 10, 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