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

62°F

17°C

Humidity 57%
Wind Speed S 20 G 28 mph
Barometer 29.66 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 15 Mar 6:15 am CDT
Extended Forecast for

Whiteash IL

Wind Advisory March 15, 10:00am until March 16, 07:00am
Click here for hazard details and duration
Wind Advisory

  • Today

    Today: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4pm. High near 71. Breezy, with a south wind 17 to 26 mph, with gusts as high as 41 mph. Chance of precipitation is 80%.

    High: 71 °F

    Breezy.
    Mostly Cloudy
    then Showers

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 10pm, then a slight chance of showers between 10pm and 11pm. Low around 25. Breezy, with a west northwest wind 22 to 26 mph, with gusts as high as 39 mph. Chance of precipitation is 90%.

    Low: 25 °F

    Showers and
    Breezy then
    Mostly Cloudy
    and Blustery

  • Monday

    Monday: Mostly cloudy, with a high near 35. Breezy, with a west northwest wind around 22 mph, with gusts as high as 32 mph.

    High: 35 °F

    Mostly Cloudy
    and Breezy

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming clear, with a low around 17. West northwest wind 9 to 18 mph, with gusts as high as 25 mph.

    Low: 17 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Sunny, with a high near 39. West northwest wind around 7 mph.

    High: 39 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow showers after 1am. Mostly cloudy, with a low around 30. Light south wind increasing to 8 to 13 mph in the evening. Winds could gust as high as 21 mph.

    Low: 30 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 60. South wind 14 to 16 mph, with gusts as high as 24 mph.

    High: 60 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 43. South southwest wind 6 to 8 mph.

    Low: 43 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 70. West wind 5 to 7 mph.

    High: 70 °F

    Sunny

Detailed Forecast

Today
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4pm. High near 71. Breezy, with a south wind 17 to 26 mph, with gusts as high as 41 mph. Chance of precipitation is 80%.
Tonight
Showers and possibly a thunderstorm before 10pm, then a slight chance of showers between 10pm and 11pm. Low around 25. Breezy, with a west northwest wind 22 to 26 mph, with gusts as high as 39 mph. Chance of precipitation is 90%.
Monday
Mostly cloudy, with a high near 35. Breezy, with a west northwest wind around 22 mph, with gusts as high as 32 mph.
Monday Night
Mostly cloudy, then gradually becoming clear, with a low around 17. West northwest wind 9 to 18 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 39. West northwest wind around 7 mph.
Tuesday Night
A 20 percent chance of snow showers after 1am. Mostly cloudy, with a low around 30. Light south wind increasing to 8 to 13 mph in the evening. Winds could gust as high as 21 mph.
Wednesday
Partly sunny, with a high near 60. South wind 14 to 16 mph, with gusts as high as 24 mph.
Wednesday Night
Partly cloudy, with a low around 43. South southwest wind 6 to 8 mph.
Thursday
Sunny, with a high near 70. West wind 5 to 7 mph.
Thursday Night
Partly cloudy, with a low around 46. West northwest wind around 5 mph becoming light and variable after midnight.
Friday
Mostly sunny, with a high near 75. Southwest wind 3 to 8 mph.
Friday Night
Partly cloudy, with a low around 50. Southwest wind 6 to 8 mph becoming northwest after midnight.
Saturday
Partly sunny, with a high near 69. North northwest wind 8 to 10 mph, with gusts as high as 18 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 88.92°W
Last Update:
4:21 am CDT Mar 15, 2026
Forecast Valid:
6am CDT Mar 15, 2026-6pm CDT Mar 21, 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