Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Partly Cloudy

91°F

33°C

Humidity 54%
Wind Speed SW 10 mph
Barometer 30.00 in (1015.1 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index99°F (37°C)
Last update 3 Sep 11:54 am CDT
Extended Forecast for

Moweaqua IL

Extreme Heat Warning September 3, 12:07pm until September 5, 07:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning September 3, 12:07pm until September 5, 07:00pm

    NOW until 7:00pm Sat

    Extreme Heat Warning

  • This Afternoon

    High: 97 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 75. South wind 3 to 5 mph.

    Low: 75 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 97. Heat index values as high as 103. West southwest wind 5 to 7 mph.

    High: 97 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 73. Calm wind.

    Low: 73 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 95. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 95 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 69. Northeast wind around 6 mph.

    Low: 69 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 89. East northeast wind 7 to 9 mph.

    High: 89 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 97. Heat index values as high as 103. South southwest wind around 9 mph.
Tonight
Mostly clear, with a low around 75. South wind 3 to 5 mph.
Friday
Sunny and hot, with a high near 97. Heat index values as high as 103. West southwest wind 5 to 7 mph.
Friday Night
Mostly clear, with a low around 73. Calm wind.
Saturday
Sunny and hot, with a high near 95. Calm wind becoming northwest around 6 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 69. Northeast wind around 6 mph.
Sunday
Sunny, with a high near 89. East northeast wind 7 to 9 mph.
Sunday Night
Mostly clear, with a low around 63.
Labor Day
Sunny, with a high near 89.
Monday Night
Mostly clear, with a low around 66.
Tuesday
Sunny, with a high near 93.
Tuesday Night
Mostly clear, with a low around 72.
Wednesday
Sunny, with a high near 94.
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ABOUT THIS FORECAST

 
Point Forecast:
Moweaqua IL
 39.62°N 89.01°W (Elev. 620 ft)
10:36 am CDT Sep 3, 2026
12pm CDT Sep 3, 2026-6pm CDT Sep 9, 2026
 
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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