Severe Thunderstorms and Heavy Rain in the Mid-Atlantic; Heat Persists Across the South

Scattered severe thunderstorms and excessive rainfall are possible into the night in the Mid Atlantic, and heavy rain will shift to Virginia and the Carolinas on Friday. Severe thunderstorms are also possible in the Central Plains into the Upper MS Valley and the Deep South tonight. Dangerous heat persists across the Southern Plains and Lower MS Valley and heat will expand into the Southwest. Read More >

Current conditions at

Centralia Municipal Airport (KENL)

Lat: 38.51°NLon: 89.09°WElev: 525ft.

Fog/Mist

64°F

18°C

Humidity 98%
Wind Speed Calm
Barometer 30.07 in
Dewpoint 63°F (17°C)
Visibility 5.00 mi
Last update 21 Aug 6:55 am CDT
Extended Forecast for

3 Miles NNE Walnut Hill IL

  • Today

    Today: Sunny, with a high near 85. Calm wind becoming northwest around 5 mph.

    High: 85 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 67. Calm wind.

    Low: 67 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 85. Northwest wind 5 to 11 mph.

    High: 85 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 62. Northwest wind around 6 mph becoming calm  in the evening.

    Low: 62 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 82. Light north wind.

    High: 82 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 63.

    Low: 63 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 85. Calm wind becoming northwest around 5 mph.
Tonight
Mostly clear, with a low around 67. Calm wind.
Saturday
Sunny, with a high near 85. Northwest wind 5 to 11 mph.
Saturday Night
Clear, with a low around 62. Northwest wind around 6 mph becoming calm in the evening.
Sunday
Sunny, with a high near 82. Light north wind.
Sunday Night
Partly cloudy, with a low around 60.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 81.
Monday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 63.
Tuesday
Mostly sunny, with a high near 84.
Tuesday Night
Partly cloudy, with a low around 66.
Wednesday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Thursday
Mostly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Walnut Hill IL
 38.52°N 89.02°W (Elev. 531 ft)
6:06 am CDT Aug 21, 2026
7am CDT Aug 21, 2026-6pm CDT Aug 27, 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