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

Centralia Municipal Airport (KENL)

Lat: 38.51°NLon: 89.09°WElev: 525ft.

Fair

71°F

22°C

Humidity 85%
Wind Speed NA
Barometer 29.98 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 27 Aug 12:35 am CDT
Extended Forecast for

Walnut Hill IL

  • Overnight

    Overnight: Clear, with a low around 66. Calm wind.

    Low: 66 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 87. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 87 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 61. Light and variable wind.

    Low: 61 °F

    Mostly Clear

  • Friday

    Friday: Patchy fog before 7am.  Otherwise, sunny, with a high near 85. Light northeast wind.

    High: 85 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 60. Calm wind.

    Low: 60 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 65.

    Low: 65 °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 71.

    Low: 71 °F

    Mostly Clear

Detailed Forecast

Overnight
Clear, with a low around 66. Calm wind.
Thursday
Sunny, with a high near 87. Calm wind becoming northwest around 6 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 61. Light and variable wind.
Friday
Patchy fog before 7am. Otherwise, sunny, with a high near 85. Light northeast wind.
Friday Night
Mostly clear, with a low around 60. Calm wind.
Saturday
Sunny, with a high near 89.
Saturday Night
Mostly clear, with a low around 65.
Sunday
Sunny, with a high near 94.
Sunday Night
Mostly clear, with a low around 71.
Monday
Sunny, with a high near 96.
Monday Night
Mostly clear, with a low around 74.
Tuesday
Sunny and hot, with a high near 97.
Tuesday Night
Mostly clear, with a low around 74.
Wednesday
Mostly sunny and hot, with a high near 97.
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ABOUT THIS FORECAST

 
Point Forecast:
Walnut Hill IL
 38.47°N 89.05°W (Elev. 554 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