Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Fair

85°F

29°C

Humidity 70%
Wind Speed SW 7 mph
Barometer 30.10 in (1018.4 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 16 Aug 8:54 am CDT
Extended Forecast for

3 Miles WNW Warrensburg IL

Heat Advisory August 16, 12:00pm until August 17, 08:00pm
Click here for hazard details and duration
Heat Advisory
  • Today

    Today: A 20 percent chance of showers and thunderstorms after 4pm.  Sunny and hot, with a high near 95. Heat index values as high as 106. Southwest wind 7 to 9 mph.

    High: 95 °F

    Sunny then
    Slight Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 9pm.  Partly cloudy, with a low around 74. South southwest wind around 5 mph becoming light and variable  in the evening.

    Low: 74 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny and hot, with a high near 95. Heat index values as high as 106. Light and variable wind becoming west southwest around 5 mph in the morning.

    High: 95 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 74. Southeast wind 3 to 5 mph.

    Low: 74 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 95. South southwest wind 6 to 8 mph.

    High: 95 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 74. South wind around 6 mph.

    Low: 74 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 93. West northwest wind 5 to 9 mph.

    High: 93 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 70.

    Low: 70 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Partly sunny, with a high near 83.

    High: 83 °F

    Partly Sunny

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 95. Heat index values as high as 106. Southwest wind 7 to 9 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 74. South southwest wind around 5 mph becoming light and variable in the evening.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 95. Heat index values as high as 106. Light and variable wind becoming west southwest around 5 mph in the morning.
Sunday Night
Mostly clear, with a low around 74. Southeast wind 3 to 5 mph.
Monday
Sunny and hot, with a high near 95. South southwest wind 6 to 8 mph.
Monday Night
Mostly clear, with a low around 74. South wind around 6 mph.
Tuesday
Mostly sunny, with a high near 93. West northwest wind 5 to 9 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 70.
Wednesday
Partly sunny, with a high near 83.
Wednesday Night
Partly cloudy, with a low around 64.
Thursday
Mostly sunny, with a high near 84.
Thursday Night
Mostly clear, with a low around 64.
Friday
Sunny, with a high near 86.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Warrensburg IL
 39.96°N 89.11°W (Elev. 610 ft)
7:41 am CDT Aug 16, 2025
9am CDT Aug 16, 2025-6pm CDT Aug 22, 2025
 
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