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

46°F

8°C

Humidity 100%
Wind Speed Calm
Barometer 30.14 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 22 Nov 6:47 pm CST
Extended Forecast for

Valier IL

  • Tonight

    Tonight: Patchy fog. Otherwise, mostly clear, with a low around 41. Calm wind.

    Low: 41 °F

    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 9am. Otherwise, sunny, with a high near 61. Light and variable wind.

    High: 61 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 42. Light southeast wind.

    Low: 42 °F

    Increasing
    Clouds

  • Monday

    Monday: A 50 percent chance of showers after noon. Mostly cloudy, with a high near 59. Light southeast wind becoming south southeast 5 to 9 mph in the morning.

    High: 59 °F

    Mostly Cloudy
    then Chance
    Showers

  • Monday Night

    Monday Night: Showers. Low around 50. Southeast wind around 7 mph becoming south southwest after midnight. Chance of precipitation is 100%.

    Low: 50 °F

    Showers then
    Showers
    Likely

  • Tuesday

    Tuesday: A 20 percent chance of showers. Mostly cloudy, with a high near 66. Southwest wind 6 to 10 mph.

    High: 66 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 38. West northwest wind 6 to 10 mph.

    Low: 38 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 49. West northwest wind 9 to 15 mph, with gusts as high as 21 mph.

    High: 49 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 29. West northwest wind 5 to 7 mph.

    Low: 29 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog. Otherwise, mostly clear, with a low around 41. Calm wind.
Sunday
Patchy fog before 9am. Otherwise, sunny, with a high near 61. Light and variable wind.
Sunday Night
Increasing clouds, with a low around 42. Light southeast wind.
Monday
A 50 percent chance of showers after noon. Mostly cloudy, with a high near 59. Light southeast wind becoming south southeast 5 to 9 mph in the morning.
Monday Night
Showers. Low around 50. Southeast wind around 7 mph becoming south southwest after midnight. Chance of precipitation is 100%.
Tuesday
A 20 percent chance of showers. Mostly cloudy, with a high near 66. Southwest wind 6 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 38. West northwest wind 6 to 10 mph.
Wednesday
Mostly sunny, with a high near 49. West northwest wind 9 to 15 mph, with gusts as high as 21 mph.
Wednesday Night
Partly cloudy, with a low around 29. West northwest wind 5 to 7 mph.
Thanksgiving Day
Sunny, with a high near 46. West northwest wind 5 to 10 mph.
Thursday Night
Partly cloudy, with a low around 27. Light west wind.
Friday
Mostly sunny, with a high near 47. Light and variable wind becoming west 5 to 8 mph in the morning.
Friday Night
A slight chance of showers. Partly cloudy, with a low around 29. Light and variable wind.
Saturday
A slight chance of showers. Partly sunny, with a high near 51. South southeast wind 5 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:
8:06 pm CST Nov 22, 2025
Forecast Valid:
9pm CST Nov 22, 2025-6pm CST Nov 29, 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