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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Valier IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 26. West wind around 16 mph, with gusts as high as 24 mph.

    Low: 26 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 33. West northwest wind 10 to 16 mph, with gusts as high as 23 mph.

    High: 33 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 23. North northwest wind 5 to 8 mph becoming light and variable after midnight.

    Low: 23 °F

    Mostly Cloudy

  • Monday

    Monday: A 30 percent chance of snow showers after noon. Mostly cloudy, with a high near 36. East northeast wind 3 to 6 mph.

    High: 36 °F

    Mostly Cloudy
    then Chance
    Snow Showers

  • Monday Night

    Monday Night: Snow showers. Low around 25. Calm wind becoming north northwest around 5 mph after midnight. Chance of precipitation is 80%.

    Low: 25 °F

    Snow Showers

  • Tuesday

    Tuesday: Partly sunny, with a high near 33. Northwest wind 3 to 8 mph.

    High: 33 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 19. Calm wind.

    Low: 19 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 42. Calm wind becoming south southwest 5 to 9 mph in the morning.

    High: 42 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 22. Light and variable wind becoming north northwest 5 to 7 mph after midnight.

    Low: 22 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 26. West wind around 16 mph, with gusts as high as 24 mph.
Sunday
Mostly cloudy, with a high near 33. West northwest wind 10 to 16 mph, with gusts as high as 23 mph.
Sunday Night
Mostly cloudy, with a low around 23. North northwest wind 5 to 8 mph becoming light and variable after midnight.
Monday
A 30 percent chance of snow showers after noon. Mostly cloudy, with a high near 36. East northeast wind 3 to 6 mph.
Monday Night
Snow showers. Low around 25. Calm wind becoming north northwest around 5 mph after midnight. Chance of precipitation is 80%.
Tuesday
Partly sunny, with a high near 33. Northwest wind 3 to 8 mph.
Tuesday Night
Mostly clear, with a low around 19. Calm wind.
Wednesday
Mostly sunny, with a high near 42. Calm wind becoming south southwest 5 to 9 mph in the morning.
Wednesday Night
Mostly cloudy, with a low around 22. Light and variable wind becoming north northwest 5 to 7 mph after midnight.
Thursday
Partly sunny, with a high near 33. North northwest wind 3 to 7 mph.
Thursday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 22. Calm wind becoming southwest around 5 mph after midnight.
Friday
A chance of showers. Partly sunny, with a high near 41. West wind 5 to 8 mph.
Friday Night
A slight chance of showers. Mostly cloudy, with a low around 25. West southwest wind around 6 mph.
Saturday
Partly sunny, with a high near 45. West southwest wind 6 to 10 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Valier IL
 38.01°N 89.05°W
Last Update:
9:31 pm CST Nov 29, 2025
Forecast Valid:
1am CST Nov 30, 2025-6pm CST Dec 6, 2025
 
Forecast Discussion
 
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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