Heavy Rain and Flash Flooding in the West; Heat Expands in the Central U.S.

Monsoonal moisture will produce showers and thunderstorms with heavy rain over parts of the Southwest, Great Basin, and Central Rockies through Monday. Flash flooding is possible, especially in and around burn scars and in areas of steep terrain. Heat will persist across the Central U.S. early this week, spreading into the Ohio Valley and Mid-Atlantic later this week. Read More >

Current conditions at

Centralia Municipal Airport (KENL)

Lat: 38.51°NLon: 89.09°WElev: 525ft.

Fair

93°F

34°C

Humidity 29%
Wind Speed NA
Barometer 30.02 in
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 30 Aug 4:15 pm CDT
Extended Forecast for

Carlyle IL

Extreme Heat Watch August 31, 12:00pm until September 4, 08:00pm
Click here for hazard details and duration
Extreme Heat Watch
  • Tonight

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

    Low: 71 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 96. Heat index values as high as 102. Southwest wind 5 to 9 mph.

    High: 96 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 75. South wind 3 to 6 mph.

    Low: 75 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 99. Heat index values as high as 106. Calm wind becoming southwest around 5 mph in the morning.

    High: 99 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 76. Light south wind.

    Low: 76 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 99.

    High: 99 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 77.

    Low: 77 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 99.

    High: 99 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 76.

    Low: 76 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 71. South wind 3 to 6 mph.
Monday
Sunny, with a high near 96. Heat index values as high as 102. Southwest wind 5 to 9 mph.
Monday Night
Mostly clear, with a low around 75. South wind 3 to 6 mph.
Tuesday
Sunny and hot, with a high near 99. Heat index values as high as 106. Calm wind becoming southwest around 5 mph in the morning.
Tuesday Night
Mostly clear, with a low around 76. Light south wind.
Wednesday
Sunny and hot, with a high near 99.
Wednesday Night
Mostly clear, with a low around 77.
Thursday
Sunny and hot, with a high near 99.
Thursday Night
Mostly clear, with a low around 76.
Friday
A 20 percent chance of showers before 1pm. Sunny and hot, with a high near 97.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Saturday
A 20 percent chance of showers. Sunny, with a high near 94.
Saturday Night
Mostly clear, with a low around 70.
Sunday
Sunny, with a high near 91.
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ABOUT THIS FORECAST

 
Point Forecast:
Carlyle IL
 38.62°N 89.35°W (Elev. 420 ft)
3:01 pm CDT Aug 30, 2026
4pm CDT Aug 30, 2026-6pm CDT Sep 6, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database