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

Hazardous Weather Conditions

Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Partly Cloudy

70°F

21°C

Humidity 87%
Wind Speed NE 3 mph
Barometer 29.98 in (1014.7 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 14 Aug 2:54 am CDT
Extended Forecast for

Warrensburg IL

  • Overnight

    Overnight: Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 63. Light northeast wind.

    Low: 63 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 85. East wind around 5 mph becoming calm in the morning.

    High: 85 °F

    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 67. Light east wind.

    Low: 67 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 90. East southeast wind around 6 mph becoming south in the morning.

    High: 90 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 71. South southeast wind 3 to 6 mph.

    Low: 71 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 94. South southwest wind around 7 mph.

    High: 94 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 73. South wind around 5 mph.

    Low: 73 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 63. Light northeast wind.
Thursday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 85. East wind around 5 mph becoming calm in the morning.
Thursday Night
Mostly clear, with a low around 67. Light east wind.
Friday
Sunny, with a high near 90. East southeast wind around 6 mph becoming south in the morning.
Friday Night
Mostly clear, with a low around 71. South southeast wind 3 to 6 mph.
Saturday
Sunny, with a high near 94. South southwest wind around 7 mph.
Saturday Night
Mostly clear, with a low around 73. South wind around 5 mph.
Sunday
Sunny, with a high near 94.
Sunday Night
Mostly clear, with a low around 73.
Monday
Sunny, with a high near 93.
Monday Night
Mostly clear, with a low around 72.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 68.
Wednesday
Mostly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Warrensburg IL
 39.93°N 89.05°W (Elev. 699 ft)
Last Update:
2:40 am CDT Aug 14, 2025
Forecast Valid:
3am CDT Aug 14, 2025-6pm CDT Aug 20, 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