Areas of Dangerous Heat and Severe Thunderstorms

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week before returning over much of the Plains into next week. Scattered strong to severe thunderstorms are possible across parts of the Northeast U.S. on Thursday. Damaging wind, hail, and a tornado or two are possible. Read More >

Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Fair

70°F

21°C

Humidity 82%
Wind Speed W 3 mph
Barometer 29.98 in (1014.5 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 26 Aug 11:54 pm CDT
Extended Forecast for

Wenonah IL

  • Overnight

    Overnight: Clear, with a low around 64. Calm wind.

    Low: 64 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 84. North wind 3 to 8 mph.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 60. North wind around 5 mph becoming calm  in the evening.

    Low: 60 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 83. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 83 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 58. Light southeast wind.

    Low: 58 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear

Detailed Forecast

Overnight
Clear, with a low around 64. Calm wind.
Thursday
Sunny, with a high near 84. North wind 3 to 8 mph.
Thursday Night
Mostly clear, with a low around 60. North wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 83. Calm wind becoming northeast around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 58. Light southeast wind.
Saturday
Sunny, with a high near 86.
Saturday Night
Partly cloudy, with a low around 64.
Sunday
Sunny, with a high near 92.
Sunday Night
Mostly clear, with a low around 69.
Monday
Mostly sunny, with a high near 94.
Monday Night
Mostly clear, with a low around 72.
Tuesday
Sunny, with a high near 95.
Tuesday Night
Mostly clear, with a low around 72.
Wednesday
Sunny, with a high near 95.
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ABOUT THIS FORECAST

 
Point Forecast:
Wenonah IL
 39.32°N 89.29°W (Elev. 673 ft)
12:31 am CDT Aug 27, 2026
12am CDT Aug 27, 2026-6pm CDT Sep 2, 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