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.

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: A 50 percent chance of snow, mainly after 4am. Cloudy, with a low around 29. Southeast wind 5 to 7 mph.

    Low: 29 °F

    Chance Snow

  • Saturday

    Saturday: Rain, possibly mixed with snow, becoming all rain after 1pm. High near 42. South southeast wind 8 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.

    High: 42 °F

    Rain/Snow

  • Saturday Night

    Saturday Night: Rain likely before midnight, then a slight chance of showers between midnight and 3am. Cloudy, with a low around 27. South wind 14 to 18 mph becoming west northwest after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 70%.

    Low: 27 °F

    Rain Likely
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: Mostly cloudy, with a high near 33. West northwest wind 10 to 18 mph, with gusts as high as 24 mph.

    High: 33 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 22. North northwest wind 5 to 9 mph becoming northeast after midnight.

    Low: 22 °F

    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of snow showers after noon. Mostly cloudy, with a high near 34. East northeast wind around 6 mph.

    High: 34 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Monday Night

    Monday Night: Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 23. Light and variable wind. Chance of precipitation is 60%.

    Low: 23 °F

    Snow Showers
    Likely

  • Tuesday

    Tuesday: Partly sunny, with a high near 33. North northwest wind 3 to 7 mph.

    High: 33 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 19. Calm wind.

    Low: 19 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 50 percent chance of snow, mainly after 4am. Cloudy, with a low around 29. Southeast wind 5 to 7 mph.
Saturday
Rain, possibly mixed with snow, becoming all rain after 1pm. High near 42. South southeast wind 8 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
Saturday Night
Rain likely before midnight, then a slight chance of showers between midnight and 3am. Cloudy, with a low around 27. South wind 14 to 18 mph becoming west northwest after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 70%.
Sunday
Mostly cloudy, with a high near 33. West northwest wind 10 to 18 mph, with gusts as high as 24 mph.
Sunday Night
Mostly cloudy, with a low around 22. North northwest wind 5 to 9 mph becoming northeast after midnight.
Monday
A 20 percent chance of snow showers after noon. Mostly cloudy, with a high near 34. East northeast wind around 6 mph.
Monday Night
Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 23. Light and variable wind. Chance of precipitation is 60%.
Tuesday
Partly sunny, with a high near 33. North northwest wind 3 to 7 mph.
Tuesday Night
Partly cloudy, with a low around 19. Calm wind.
Wednesday
Mostly sunny, with a high near 41. 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 northwest around 6 mph after midnight.
Thursday
Partly sunny, with a high near 36. Northwest wind 5 to 7 mph.
Thursday Night
A slight chance of freezing rain. Mostly cloudy, with a low around 23. Calm wind becoming south southeast around 5 mph after midnight.
Friday
A slight chance of showers. Mostly cloudy, with a high near 41. South southwest wind 5 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:
10:26 pm CST Nov 28, 2025
Forecast Valid:
1am CST Nov 29, 2025-6pm CST Dec 5, 2025
 
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Additional Resources

Radar & Satellite Image

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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