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

50°F

10°C

Humidity 37%
Wind Speed NW 6 mph
Barometer 29.94 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 20 Feb 4:47 pm CST
Extended Forecast for

4 Miles NNW Tunnel Hill IL

  • Tonight

    Tonight: Increasing clouds, with a low around 32. Light north wind.

    Low: 32 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Partly sunny, with a high near 44. North wind 5 to 7 mph.

    High: 44 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 25. Northwest wind 6 to 10 mph, with gusts as high as 18 mph.

    Low: 25 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 36. Northwest wind 10 to 16 mph, with gusts as high as 29 mph.

    High: 36 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 18. North northwest wind 11 to 13 mph, with gusts as high as 23 mph.

    Low: 18 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 33. North northwest wind 6 to 11 mph, with gusts as high as 22 mph.

    High: 33 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 18. Light and variable wind.

    Low: 18 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 48. Light south wind becoming south southwest 8 to 13 mph in the morning. Winds could gust as high as 24 mph.

    High: 48 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 41. South southwest wind 11 to 13 mph, with gusts as high as 23 mph.

    Low: 41 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 32. Light north wind.
Saturday
Partly sunny, with a high near 44. North wind 5 to 7 mph.
Saturday Night
Mostly clear, with a low around 25. Northwest wind 6 to 10 mph, with gusts as high as 18 mph.
Sunday
Sunny, with a high near 36. Northwest wind 10 to 16 mph, with gusts as high as 29 mph.
Sunday Night
Mostly clear, with a low around 18. North northwest wind 11 to 13 mph, with gusts as high as 23 mph.
Monday
Sunny, with a high near 33. North northwest wind 6 to 11 mph, with gusts as high as 22 mph.
Monday Night
Mostly clear, with a low around 18. Light and variable wind.
Tuesday
Partly sunny, with a high near 48. Light south wind becoming south southwest 8 to 13 mph in the morning. Winds could gust as high as 24 mph.
Tuesday Night
Mostly cloudy, with a low around 41. South southwest wind 11 to 13 mph, with gusts as high as 23 mph.
Wednesday
A slight chance of showers after noon. Mostly cloudy, with a high near 59. South southwest wind 10 to 14 mph, with gusts as high as 24 mph.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 39. South southwest wind 7 to 10 mph becoming northwest after midnight. Winds could gust as high as 18 mph.
Thursday
A chance of showers. Partly sunny, with a high near 53. North northwest wind 6 to 8 mph.
Thursday Night
A slight chance of showers. Mostly clear, with a low around 33. North northwest wind around 5 mph becoming south southwest after midnight.
Friday
Sunny, with a high near 57. South southwest wind 5 to 9 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Tunnel Hill IL
 37.6°N 88.9°W
Last Update:
3:22 pm CST Feb 20, 2026
Forecast Valid:
5pm CST Feb 20, 2026-6pm CST Feb 27, 2026
 
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