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Hazardous Weather Conditions

Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Fair

94°F

34°C

Humidity 44%
Wind Speed SW 8 mph
Barometer 29.92 in (1012.6 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index99°F (37°C)
Last update 3 Sep 5:54 pm CDT
Extended Forecast for

3 Miles N Maroa IL

Extreme Heat Warning September 3, 06:46pm until September 4, 07:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning September 3, 06:46pm until September 4, 07:00pm

    NOW until 7:00pm Fri

    Extreme Heat Warning

  • Tonight

    Low: 75 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 98. Heat index values as high as 102. West southwest wind 7 to 9 mph.

    High: 98 °F

    Hot

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms between 1am and 4am, then a slight chance of showers after 4am. Mostly clear, with a low around 73. Southwest wind 3 to 6 mph. Chance of precipitation is 20%.

    Low: 73 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: Sunny, with a high near 94. Heat index values as high as 100. Light and variable wind becoming north northwest 5 to 9 mph in the morning.

    High: 94 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 68. East northeast wind 8 to 10 mph.

    Low: 68 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 86. East northeast wind 9 to 14 mph.

    High: 86 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 62. East wind 8 to 13 mph, with gusts as high as 16 mph.

    Low: 62 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 86.

    High: 86 °F

    Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 75. South wind 6 to 8 mph.
Friday
Sunny and hot, with a high near 98. Heat index values as high as 102. West southwest wind 7 to 9 mph.
Friday Night
A slight chance of showers and thunderstorms between 1am and 4am, then a slight chance of showers after 4am. Mostly clear, with a low around 73. Southwest wind 3 to 6 mph. Chance of precipitation is 20%.
Saturday
Sunny, with a high near 94. Heat index values as high as 100. Light and variable wind becoming north northwest 5 to 9 mph in the morning.
Saturday Night
Mostly clear, with a low around 68. East northeast wind 8 to 10 mph.
Sunday
Sunny, with a high near 86. East northeast wind 9 to 14 mph.
Sunday Night
Mostly clear, with a low around 62. East wind 8 to 13 mph, with gusts as high as 16 mph.
Labor Day
Sunny, with a high near 86.
Monday Night
Partly cloudy, with a low around 64.
Tuesday
Mostly sunny, with a high near 93.
Tuesday Night
Mostly clear, with a low around 73.
Wednesday
Mostly sunny and hot, with a high near 96.
Wednesday Night
Partly cloudy, with a low around 72.
Thursday
Mostly sunny, with a high near 90.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Maroa IL
 40.08°N 88.96°W (Elev. 745 ft)
Last Update:
6:36 pm CDT Sep 3, 2026
Forecast Valid:
6pm CDT Sep 3, 2026-6pm CDT Sep 10, 2026
 
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