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

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Fair

61°F

16°C

Humidity 96%
Wind Speed Calm
Barometer 30.17 in
Dewpoint 60°F (16°C)
Visibility 7.00 mi
Last update 2 Oct 4:35 am CDT
Extended Forecast for

4 Miles NW Tunnel Hill IL

  • Today

    Today: A 10 percent chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 86. Light and variable wind becoming south around 6 mph in the afternoon.

    High: 86 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 66. Light south wind.

    Low: 66 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 84. Calm wind becoming south southwest around 6 mph.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 61. Calm wind.

    Low: 61 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 83. Calm wind becoming south southeast around 6 mph in the afternoon.

    High: 83 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 61. Light south southeast wind.

    Low: 61 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 84. South wind 5 to 8 mph.

    High: 84 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 65. Light southeast wind.

    Low: 65 °F

    Mostly Clear

  • Monday

    Monday: A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 81. Calm wind becoming south southeast around 5 mph in the morning.

    High: 81 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

Detailed Forecast

Today
A 10 percent chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 86. Light and variable wind becoming south around 6 mph in the afternoon.
Tonight
A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 66. Light south wind.
Friday
Sunny, with a high near 84. Calm wind becoming south southwest around 6 mph.
Friday Night
Clear, with a low around 61. Calm wind.
Saturday
Sunny, with a high near 83. Calm wind becoming south southeast around 6 mph in the afternoon.
Saturday Night
Clear, with a low around 61. Light south southeast wind.
Sunday
Sunny, with a high near 84. South wind 5 to 8 mph.
Sunday Night
Mostly clear, with a low around 65. Light southeast wind.
Monday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 81. Calm wind becoming south southeast around 5 mph in the morning.
Monday Night
A slight chance of showers. Partly cloudy, with a low around 66. Calm wind.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 80. South wind 3 to 6 mph.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 62. Light and variable wind becoming north northwest around 6 mph after midnight.
Wednesday
Mostly sunny, with a high near 76. North wind 6 to 8 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Tunnel Hill IL
 37.6°N 88.93°W
Last Update:
4:30 am CDT Oct 2, 2025
Forecast Valid:
4am CDT Oct 2, 2025-6pm CDT Oct 8, 2025
 
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Additional Resources

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Chance of Precipitation