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.

A Few Clouds

48°F

9°C

Humidity 58%
Wind Speed S 7 mph
Barometer 29.96 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 6 Dec 1:45 pm CST
Extended Forecast for

Valier IL

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 47. Southeast wind around 5 mph.

    High: 47 °F

    Partly Sunny

  • Tonight

    Tonight: A slight chance of drizzle after 4am. Patchy fog between 11pm and midnight. Otherwise, mostly cloudy, with a low around 34. South southeast wind 3 to 5 mph.

    Low: 34 °F

    Patchy Fog
    then Slight
    Chance
    Drizzle

  • Sunday

    Sunday: A slight chance of drizzle before 5pm. Cloudy, with a high near 45. South southwest wind 5 to 13 mph becoming north in the afternoon.

    High: 45 °F

    Slight Chance
    Drizzle

  • Sunday Night

    Sunday Night: A slight chance of rain and snow showers before 10pm, then a slight chance of snow showers between 10pm and midnight. Mostly cloudy, with a low around 25. North wind 7 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.

    Low: 25 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 37. North wind 5 to 7 mph becoming calm in the afternoon.

    High: 37 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 25. Light and variable wind becoming south southwest 5 to 10 mph after midnight.

    Low: 25 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 49. South southwest wind 11 to 16 mph, with gusts as high as 23 mph.

    High: 49 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 41. South southwest wind 15 to 17 mph, with gusts as high as 24 mph.

    Low: 41 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers after noon. Partly sunny, with a high near 51. Southwest wind 9 to 16 mph becoming northwest in the afternoon. Winds could gust as high as 23 mph.

    High: 51 °F

    Partly Sunny
    then Slight
    Chance
    Showers

Detailed Forecast

This Afternoon
Partly sunny, with a high near 47. Southeast wind around 5 mph.
Tonight
A slight chance of drizzle after 4am. Patchy fog between 11pm and midnight. Otherwise, mostly cloudy, with a low around 34. South southeast wind 3 to 5 mph.
Sunday
A slight chance of drizzle before 5pm. Cloudy, with a high near 45. South southwest wind 5 to 13 mph becoming north in the afternoon.
Sunday Night
A slight chance of rain and snow showers before 10pm, then a slight chance of snow showers between 10pm and midnight. Mostly cloudy, with a low around 25. North wind 7 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 37. North wind 5 to 7 mph becoming calm in the afternoon.
Monday Night
Mostly clear, with a low around 25. Light and variable wind becoming south southwest 5 to 10 mph after midnight.
Tuesday
Mostly sunny, with a high near 49. South southwest wind 11 to 16 mph, with gusts as high as 23 mph.
Tuesday Night
Mostly cloudy, with a low around 41. South southwest wind 15 to 17 mph, with gusts as high as 24 mph.
Wednesday
A slight chance of showers after noon. Partly sunny, with a high near 51. Southwest wind 9 to 16 mph becoming northwest in the afternoon. Winds could gust as high as 23 mph.
Wednesday Night
A slight chance of rain showers before midnight, then a chance of rain and snow showers. Mostly cloudy, with a low around 29. Northwest wind 5 to 7 mph becoming east after midnight.
Thursday
A chance of rain and snow showers. Mostly cloudy, with a high near 40. East wind 7 to 10 mph becoming west in the afternoon.
Thursday Night
Mostly cloudy, with a low around 22. West northwest wind 6 to 9 mph.
Friday
Partly sunny, with a high near 31. Northwest wind 9 to 11 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Valier IL
 38.01°N 89.05°W
Last Update:
1:56 pm CST Dec 6, 2025
Forecast Valid:
2pm CST Dec 6, 2025-6pm CST Dec 12, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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