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.

Mostly Cloudy and Windy

34°F

1°C

Humidity 60%
Wind Speed N 13819 mph
Barometer 30.28 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill-41°F (-41°C)
Last update 1 Dec 11:47 am CST
Extended Forecast for

Valier IL

Winter Weather Advisory December 1, 06:00pm until December 2, 06:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Today

    Today: A 40 percent chance of snow after 3pm. Cloudy, with a high near 34. East southeast wind 5 to 7 mph becoming calm in the afternoon.

    High: 34 °F

    Chance Snow

  • Tonight

    Tonight: Snow, possibly mixed with freezing rain, mainly before 1am. Low around 22. Calm wind becoming north northwest 5 to 9 mph after midnight. Chance of precipitation is 100%. Little or no ice accumulation expected. New snow accumulation of around an inch possible.

    Low: 22 °F

    Snow then
    Wintry Mix

  • Tuesday

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

    High: 33 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 22. Calm wind becoming south around 5 mph after midnight.

    Low: 22 °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. Calm wind becoming north northwest 5 to 9 mph in the evening.

    Low: 21 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 30. North northwest wind 5 to 10 mph becoming light north northeast in the afternoon.

    High: 30 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of snow showers after midnight. Mostly cloudy, with a low around 20. Calm wind.

    Low: 20 °F

    Mostly Cloudy
    then Chance
    Snow Showers

  • Friday

    Friday: A chance of snow showers before noon, then a chance of rain showers. Mostly cloudy, with a high near 37. Calm wind becoming south around 6 mph.

    High: 37 °F

    Chance Snow
    Showers then
    Chance
    Showers

Detailed Forecast

Today
A 40 percent chance of snow after 3pm. Cloudy, with a high near 34. East southeast wind 5 to 7 mph becoming calm in the afternoon.
Tonight
Snow, possibly mixed with freezing rain, mainly before 1am. Low around 22. Calm wind becoming north northwest 5 to 9 mph after midnight. Chance of precipitation is 100%. Little or no ice accumulation expected. New snow accumulation of around an inch possible.
Tuesday
Mostly sunny, with a high near 33. Northwest wind 5 to 8 mph becoming calm in the afternoon.
Tuesday Night
Mostly clear, with a low around 22. 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. Calm wind becoming north northwest 5 to 9 mph in the evening.
Thursday
Partly sunny, with a high near 30. North northwest wind 5 to 10 mph becoming light north northeast in the afternoon.
Thursday Night
A chance of snow showers after midnight. Mostly cloudy, with a low around 20. Calm wind.
Friday
A chance of snow showers before noon, then a chance of rain showers. Mostly cloudy, with a high near 37. Calm wind becoming south around 6 mph.
Friday Night
A chance of showers before midnight. Mostly cloudy, with a low around 27. Calm wind becoming southwest around 5 mph after midnight.
Saturday
Partly sunny, with a high near 43. Southwest wind 5 to 8 mph.
Saturday Night
Mostly cloudy, with a low around 29. South wind around 5 mph becoming light and variable.
Sunday
Mostly cloudy, with a high near 40. Northwest wind 5 to 8 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Valier IL
 38.01°N 89.05°W
Last Update:
10:57 am CST Dec 1, 2025
Forecast Valid:
11am CST Dec 1, 2025-6pm CST Dec 7, 2025
 
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Additional Resources

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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