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

72°F

22°C

Humidity 94%
Wind Speed NE 5 mph
Barometer 30.06 in (1017.4 mb)
Dewpoint 70°F (21°C)
Visibility 9.00 mi
Last update 15 Jul 3:54 am CDT
Extended Forecast for

3 Miles ESE Warrensburg IL

  • Today

    Today: A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 86. Light and variable wind becoming south 5 to 8 mph in the morning.

    High: 86 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 72. South southeast wind around 6 mph.

    Low: 72 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. Southwest wind 6 to 9 mph.

    High: 89 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 72. Southwest wind around 7 mph. Chance of precipitation is 40%.

    Low: 72 °F

    Chance
    T-storms

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 83. West wind 8 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Partly Sunny
    then Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly cloudy, with a low around 65. Northeast wind around 7 mph. Chance of precipitation is 40%.

    Low: 65 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: Partly sunny, with a high near 82. East northeast wind around 6 mph.

    High: 82 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 69.

    Low: 69 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.

    High: 86 °F

    Chance
    T-storms

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 86. Light and variable wind becoming south 5 to 8 mph in the morning.
Tonight
A 20 percent chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 72. South southeast wind around 6 mph.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. Southwest wind 6 to 9 mph.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 72. Southwest wind around 7 mph. Chance of precipitation is 40%.
Thursday
Showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 83. West wind 8 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly cloudy, with a low around 65. Northeast wind around 7 mph. Chance of precipitation is 40%.
Friday
Partly sunny, with a high near 82. East northeast wind around 6 mph.
Friday Night
Mostly cloudy, with a low around 69.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
Saturday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 87.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 87.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Warrensburg IL
 39.91°N 89.02°W (Elev. 699 ft)
Last Update:
3:40 am CDT Jul 15, 2025
Forecast Valid:
4am CDT Jul 15, 2025-6pm CDT Jul 21, 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