Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Overcast

30°F

-1°C

Humidity 80%
Wind Speed NE 5 mph
Barometer 30.15 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 1 Dec 5:45 pm CST
Extended Forecast for

2 Miles SW Whiteash IL

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

    NOW until 6:00am Tue

    Winter Weather Advisory

  • Tonight

    Low: 23 °F

    Wintry Mix
    then Snow

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 32. Northwest wind 5 to 8 mph becoming calm  in the afternoon.

    High: 32 °F

    Decreasing
    Clouds

  • 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 43. South southwest wind 5 to 10 mph becoming light  in the afternoon.

    High: 43 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 21. Light and variable wind becoming north northwest 6 to 11 mph after midnight. Winds could gust as high as 18 mph.

    Low: 21 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 29. North wind 5 to 11 mph, with gusts as high as 18 mph.

    High: 29 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of snow showers after midnight.  Mostly cloudy, with a low around 18. Light and variable wind.

    Low: 18 °F

    Partly Cloudy
    then Slight
    Chance Snow
    Showers

  • Friday

    Friday: A slight chance of rain and snow showers.  Mostly sunny, with a high near 39. Calm wind becoming south southwest around 6 mph.

    High: 39 °F

    Slight Chance
    Rain/Snow

Detailed Forecast

Tonight
Snow and freezing rain, becoming all snow after 1am, then gradually ending. Low around 23. Calm wind becoming northwest 5 to 7 mph after midnight. Chance of precipitation is 80%. Little or no ice accumulation expected. Total nighttime snow accumulation of 1 to 3 inches possible.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 32. 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 43. South southwest wind 5 to 10 mph becoming light in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 21. Light and variable wind becoming north northwest 6 to 11 mph after midnight. Winds could gust as high as 18 mph.
Thursday
Mostly sunny, with a high near 29. North wind 5 to 11 mph, with gusts as high as 18 mph.
Thursday Night
A 20 percent chance of snow showers after midnight. Mostly cloudy, with a low around 18. Light and variable wind.
Friday
A slight chance of rain and snow showers. Mostly sunny, with a high near 39. Calm wind becoming south southwest around 6 mph.
Friday Night
Partly cloudy, with a low around 26. Light southwest wind.
Saturday
Mostly sunny, with a high near 43. Southwest wind 3 to 7 mph.
Saturday Night
Mostly cloudy, with a low around 30. Light and variable wind becoming west around 6 mph after midnight.
Sunday
Mostly cloudy, with a high near 41. West northwest wind 6 to 9 mph becoming north in the afternoon.
Sunday Night
Mostly cloudy, with a low around 22. North wind 3 to 6 mph.
Monday
Partly sunny, with a high near 39. North wind 5 to 7 mph becoming southeast in the afternoon.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Whiteash IL
 37.76°N 88.97°W
4:34 pm CST Dec 1, 2025
6pm CST Dec 1, 2025-6pm CST Dec 8, 2025
 
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