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.

A Few Clouds

52°F

11°C

Humidity 35%
Wind Speed SW 6 mph
Barometer 30.22 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 12 Mar 3:45 pm CDT
Extended Forecast for

Whiteash IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 55. West southwest wind around 6 mph.

    High: 55 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 43. Breezy, with a south wind 7 to 12 mph increasing to 16 to 21 mph after midnight. Winds could gust as high as 34 mph.

    Low: 43 °F

    Mostly Clear
    then Partly
    Cloudy and
    Breezy

  • Friday

    Friday: Mostly sunny, with a high near 64. Southwest wind 11 to 18 mph, with gusts as high as 34 mph.

    High: 64 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 38. Northwest wind around 6 mph becoming calm in the evening.

    Low: 38 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 67. East wind 6 to 10 mph becoming south southeast in the afternoon.

    High: 67 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 54. Southeast wind 7 to 13 mph, with gusts as high as 22 mph.

    Low: 54 °F

    Partly Cloudy

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 72. Breezy, with a south wind 16 to 23 mph, with gusts as high as 37 mph. Chance of precipitation is 70%.

    High: 72 °F

    Breezy.
    Mostly Cloudy
    then Showers
    Likely

  • Sunday Night

    Sunday Night: Rain showers before 1am, then a chance of rain and snow showers. Some thunder is also possible. Mostly cloudy, with a low around 26. Breezy, with a south southwest wind around 24 mph becoming west northwest after midnight. Winds could gust as high as 34 mph.

    Low: 26 °F

    Showers and
    Breezy then
    Rain/Snow and
    Blustery

  • Monday

    Monday: Mostly cloudy, with a high near 34. Breezy, with a west northwest wind 21 to 23 mph, with gusts as high as 33 mph.

    High: 34 °F

    Mostly Cloudy
    and Breezy

Detailed Forecast

This Afternoon
Sunny, with a high near 55. West southwest wind around 6 mph.
Tonight
Mostly clear, with a low around 43. Breezy, with a south wind 7 to 12 mph increasing to 16 to 21 mph after midnight. Winds could gust as high as 34 mph.
Friday
Mostly sunny, with a high near 64. Southwest wind 11 to 18 mph, with gusts as high as 34 mph.
Friday Night
Partly cloudy, with a low around 38. Northwest wind around 6 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 67. East wind 6 to 10 mph becoming south southeast in the afternoon.
Saturday Night
Partly cloudy, with a low around 54. Southeast wind 7 to 13 mph, with gusts as high as 22 mph.
Sunday
Showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 72. Breezy, with a south wind 16 to 23 mph, with gusts as high as 37 mph. Chance of precipitation is 70%.
Sunday Night
Rain showers before 1am, then a chance of rain and snow showers. Some thunder is also possible. Mostly cloudy, with a low around 26. Breezy, with a south southwest wind around 24 mph becoming west northwest after midnight. Winds could gust as high as 34 mph.
Monday
Mostly cloudy, with a high near 34. Breezy, with a west northwest wind 21 to 23 mph, with gusts as high as 33 mph.
Monday Night
Mostly clear, with a low around 15. Northwest wind 8 to 16 mph, with gusts as high as 23 mph.
Tuesday
Mostly sunny, with a high near 38. West wind 6 to 9 mph.
Tuesday Night
A slight chance of rain and snow showers. Mostly cloudy, with a low around 27. South southeast wind 6 to 8 mph.
Wednesday
Partly sunny, with a high near 55. South southwest wind 9 to 13 mph, with gusts as high as 20 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Whiteash IL
 37.78°N 88.95°W
Last Update:
1:21 pm CDT Mar 12, 2026
Forecast Valid:
4pm CDT Mar 12, 2026-6pm CDT Mar 18, 2026
 
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