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

Hazardous Weather Conditions

Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Fair

25°F

-4°C

Humidity 80%
Wind Speed N 14 mph
Barometer 30.48 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill13°F (-11°C)
Last update 30 Nov 6:45 pm CST
Extended Forecast for

Valier IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 22. Northeast wind 3 to 7 mph.

    Low: 22 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 37. East northeast wind 3 to 7 mph.

    High: 37 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Snow showers, mainly before 3am. Low around 23. Calm wind becoming north northwest 5 to 7 mph after midnight. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    Low: 23 °F

    Snow Showers

  • Tuesday

    Tuesday: Partly sunny, with a high near 33. North northwest wind 5 to 8 mph becoming calm in the afternoon.

    High: 33 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 21. Calm wind becoming south around 5 mph after midnight.

    Low: 21 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 42. South southwest wind 5 to 10 mph.

    High: 42 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 21. South southwest wind 5 to 10 mph becoming north northwest after midnight.

    Low: 21 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 29. North northwest wind 5 to 10 mph becoming light north in the afternoon.

    High: 29 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of snow showers after midnight. Mostly cloudy, with a low around 18. Calm wind.

    Low: 18 °F

    Mostly Cloudy
    then Chance
    Snow Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 22. Northeast wind 3 to 7 mph.
Monday
Mostly cloudy, with a high near 37. East northeast wind 3 to 7 mph.
Monday Night
Snow showers, mainly before 3am. Low around 23. Calm wind becoming north northwest 5 to 7 mph after midnight. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Tuesday
Partly sunny, with a high near 33. North northwest wind 5 to 8 mph becoming calm in the afternoon.
Tuesday Night
Mostly clear, with a low around 21. Calm wind becoming south around 5 mph after midnight.
Wednesday
Mostly sunny, with a high near 42. South southwest wind 5 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 21. South southwest wind 5 to 10 mph becoming north northwest after midnight.
Thursday
Partly sunny, with a high near 29. North northwest wind 5 to 10 mph becoming light north in the afternoon.
Thursday Night
A chance of snow showers after midnight. Mostly cloudy, with a low around 18. Calm wind.
Friday
A chance of snow showers before noon, then a chance of rain and snow showers. Mostly cloudy, with a high near 35. Calm wind becoming south southeast 5 to 7 mph in the morning.
Friday Night
A chance of showers. Mostly cloudy, with a low around 26. Calm wind becoming west around 5 mph after midnight.
Saturday
Mostly cloudy, with a high near 40. West wind 5 to 8 mph.
Saturday Night
A slight chance of showers. Mostly cloudy, with a low around 28. Light and variable wind becoming west around 6 mph after midnight.
Sunday
Mostly cloudy, with a high near 40. West wind 6 to 9 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Valier IL
 38.01°N 89.05°W
Last Update:
5:41 pm CST Nov 30, 2025
Forecast Valid:
7pm CST Nov 30, 2025-6pm CST Dec 7, 2025
 
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Additional Resources

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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