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

46°F

8°C

Humidity 100%
Wind Speed N 1 mph
Barometer 29.98 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 7 Oct 4:15 am CDT
Extended Forecast for

2 Miles SSE Tunnel Hill IL

  • Today

    Today: Sunny, with a high near 82. Calm wind becoming southwest 5 to 7 mph in the morning.

    High: 82 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 58. Light and variable wind.

    Low: 58 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 82. Calm wind becoming northeast around 5 mph.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 55. Calm wind.

    Low: 55 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 84. South southeast wind 3 to 6 mph.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 60. Calm wind becoming south southeast around 5 mph after midnight.

    Low: 60 °F

    Mostly Clear

  • Saturday

    Saturday: A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 80. South southeast wind 5 to 9 mph.

    High: 80 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Mostly cloudy, with a low around 58. East northeast wind 6 to 10 mph.

    Low: 58 °F

    Showers

  • Sunday

    Sunday: A chance of showers. Partly sunny, with a high near 73. Northeast wind around 10 mph becoming west northwest in the afternoon. Winds could gust as high as 18 mph.

    High: 73 °F

    Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 82. Calm wind becoming southwest 5 to 7 mph in the morning.
Tonight
Clear, with a low around 58. Light and variable wind.
Thursday
Sunny, with a high near 82. Calm wind becoming northeast around 5 mph.
Thursday Night
Clear, with a low around 55. Calm wind.
Friday
Sunny, with a high near 84. South southeast wind 3 to 6 mph.
Friday Night
Mostly clear, with a low around 60. Calm wind becoming south southeast around 5 mph after midnight.
Saturday
A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 80. South southeast wind 5 to 9 mph.
Saturday Night
Showers and possibly a thunderstorm. Mostly cloudy, with a low around 58. East northeast wind 6 to 10 mph.
Sunday
A chance of showers. Partly sunny, with a high near 73. Northeast wind around 10 mph becoming west northwest in the afternoon. Winds could gust as high as 18 mph.
Sunday Night
Mostly cloudy, with a low around 57. Light west wind.
Columbus Day
Mostly sunny, with a high near 79. Calm wind becoming west around 6 mph in the morning.
Monday Night
Partly cloudy, with a low around 58. Light south southwest wind.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 80. Southwest wind 5 to 9 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Tunnel Hill IL
 37.53°N 88.85°W
Last Update:
3:36 am CDT Oct 7, 2026
Forecast Valid:
4am CDT Oct 7, 2026-6pm CDT Oct 13, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation