Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Fair

19°F

-7°C

Humidity 72%
Wind Speed S 5 mph
Barometer 30.29 in
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Wind Chill12°F (-11°C)
Last update 24 Feb 2:35 am CST
Extended Forecast for

3 Miles SE Tunnel Hill IL

  • Overnight

    Overnight: Mostly clear, with a low around 20. Calm wind becoming south around 5 mph.

    Low: 20 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 48. Breezy, with a south southwest wind 7 to 12 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 36 mph.

    High: 48 °F

    Partly Sunny
    then Mostly
    Cloudy and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 40. Southwest wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 30 mph.

    Low: 40 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 55. Southwest wind around 6 mph becoming light and variable  in the afternoon.

    High: 55 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers, mainly after midnight.  Mostly cloudy, with a low around 40. East southeast wind 3 to 7 mph.

    Low: 40 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Thursday

    Thursday: A 40 percent chance of showers before noon.  Mostly cloudy, with a high near 53. Northeast wind 6 to 8 mph.

    High: 53 °F

    Chance
    Showers then
    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 32. North wind around 5 mph becoming calm  in the evening.

    Low: 32 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 60. Calm wind becoming south southwest around 6 mph in the morning.

    High: 60 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 40. South wind around 6 mph.

    Low: 40 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 20. Calm wind becoming south around 5 mph.
Tuesday
Partly sunny, with a high near 48. Breezy, with a south southwest wind 7 to 12 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 36 mph.
Tuesday Night
Mostly cloudy, with a low around 40. Southwest wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 30 mph.
Wednesday
Mostly cloudy, with a high near 55. Southwest wind around 6 mph becoming light and variable in the afternoon.
Wednesday Night
A 50 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 40. East southeast wind 3 to 7 mph.
Thursday
A 40 percent chance of showers before noon. Mostly cloudy, with a high near 53. Northeast wind 6 to 8 mph.
Thursday Night
Partly cloudy, with a low around 32. North wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 60. Calm wind becoming south southwest around 6 mph in the morning.
Friday Night
Mostly clear, with a low around 40. South wind around 6 mph.
Saturday
Sunny, with a high near 66. South southwest wind 5 to 8 mph.
Saturday Night
Mostly clear, with a low around 36. South wind 6 to 10 mph becoming north after midnight. Winds could gust as high as 18 mph.
Sunday
A slight chance of showers. Partly sunny, with a high near 50. Northeast wind around 10 mph, with gusts as high as 20 mph.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 36. East northeast wind around 9 mph.
Monday
A chance of showers. Mostly cloudy, with a high near 54. East northeast wind 8 to 10 mph, with gusts as high as 20 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Tunnel Hill IL
 37.53°N 88.85°W
12:26 am CST Feb 24, 2026
2am CST Feb 24, 2026-6pm CST Mar 2, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database