National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Centralia Municipal Airport (KENL)

Lat: 38.51°NLon: 89.09°WElev: 525ft.

Fair

66°F

19°C

Humidity 83%
Wind Speed Calm
Barometer 30.01 in
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 20 Jun 2:55 am CDT
Extended Forecast for

Walnut Hill IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 63. Calm wind.

    Low: 63 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 85. Light west northwest wind.

    High: 85 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 66. Light and variable wind.

    Low: 66 °F

    Partly Cloudy

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly after 4pm. Increasing clouds, with a high near 84. Breezy, with an east southeast wind 5 to 10 mph becoming south 15 to 20 mph in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 60%.

    High: 84 °F

    T-storms
    Likely and
    Breezy

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 1am, then showers likely. Low around 66. South southwest wind 9 to 16 mph becoming west after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 100%.

    Low: 66 °F

    T-storms then
    Showers

  • Monday

    Monday: A chance of showers before 1pm, then a slight chance of showers and thunderstorms between 1pm and 4pm, then a slight chance of showers after 4pm. Partly sunny, with a high near 78. North northwest wind around 9 mph. Chance of precipitation is 30%.

    High: 78 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 60. North wind 5 to 7 mph becoming calm in the evening.

    Low: 60 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 81. Calm wind.

    High: 81 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 62. Calm wind.

    Low: 62 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 63. Calm wind.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 85. Light west northwest wind.
Saturday Night
Partly cloudy, with a low around 66. Light and variable wind.
Sunday
Showers and thunderstorms likely, mainly after 4pm. Increasing clouds, with a high near 84. Breezy, with an east southeast wind 5 to 10 mph becoming south 15 to 20 mph in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 60%.
Sunday Night
Showers and possibly a thunderstorm before 1am, then showers likely. Low around 66. South southwest wind 9 to 16 mph becoming west after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 100%.
Monday
A chance of showers before 1pm, then a slight chance of showers and thunderstorms between 1pm and 4pm, then a slight chance of showers after 4pm. Partly sunny, with a high near 78. North northwest wind around 9 mph. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 60. North wind 5 to 7 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 81. Calm wind.
Tuesday Night
Mostly clear, with a low around 62. Calm wind.
Wednesday
Sunny, with a high near 82. Light and variable wind.
Wednesday Night
Mostly clear, with a low around 63. Calm wind.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 81. Light west wind.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 62. Light and variable wind.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 82. Light and variable wind.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Walnut Hill IL
 38.47°N 89.02°W
Last Update:
1:26 am CDT Jun 20, 2026
Forecast Valid:
3am CDT Jun 20, 2026-6pm CDT Jun 26, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation