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.

Overcast and Breezy

66°F

19°C

Humidity 68%
Wind Speed S 25 G 32 mph
Barometer 29.52 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 15 Mar 2:45 pm CDT
Extended Forecast for

Whiteash IL

High Wind Warning March 15, 03:24pm until March 15, 09:00pm
Click here for hazard details and duration
High Wind Warning
  •  
    High Wind Warning March 15, 03:24pm until March 15, 09:00pm

    NOW until 9:00pm Sun

    High Wind Warning

  • This Afternoon

    High: 71 °F

    Showers
    Likely and
    Breezy

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 10pm, then a chance of showers between 10pm and 11pm. Low around 26. Breezy, with a west wind 22 to 25 mph, with gusts as high as 38 mph. Chance of precipitation is 100%.

    Low: 26 °F

    Breezy.
    Showers then
    Mostly Cloudy

  • Monday

    Monday: A slight chance of snow showers between 9am and noon. Mostly cloudy, with a high near 35. Breezy, with a west northwest wind around 22 mph, with gusts as high as 38 mph. Chance of precipitation is 20%.

    High: 35 °F

    Breezy.
    Slight Chance
    Snow Showers
    then Mostly
    Cloudy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 18. West northwest wind 10 to 18 mph, with gusts as high as 25 mph.

    Low: 18 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 39. Northwest wind 6 to 8 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 southeast wind becoming south 6 to 11 mph in the evening. Winds could gust as high as 20 mph.

    Low: 30 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 59. Southwest wind around 14 mph, with gusts as high as 23 mph.

    High: 59 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 42. South wind around 7 mph.

    Low: 42 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
A slight chance of showers before 4pm, then a chance of showers and thunderstorms between 4pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 71. Breezy, with a south wind 23 to 25 mph, with gusts as high as 44 mph. Chance of precipitation is 60%.
Tonight
Showers and possibly a thunderstorm before 10pm, then a chance of showers between 10pm and 11pm. Low around 26. Breezy, with a west wind 22 to 25 mph, with gusts as high as 38 mph. Chance of precipitation is 100%.
Monday
A slight chance of snow showers between 9am and noon. Mostly cloudy, with a high near 35. Breezy, with a west northwest wind around 22 mph, with gusts as high as 38 mph. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 18. West northwest wind 10 to 18 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 39. Northwest wind 6 to 8 mph.
Tuesday Night
A 20 percent chance of snow showers after 1am. Mostly cloudy, with a low around 30. Light south southeast wind becoming south 6 to 11 mph in the evening. Winds could gust as high as 20 mph.
Wednesday
Partly sunny, with a high near 59. Southwest wind around 14 mph, with gusts as high as 23 mph.
Wednesday Night
Partly cloudy, with a low around 42. South wind around 7 mph.
Thursday
Sunny, with a high near 71. South southwest wind 6 to 8 mph becoming west northwest in the afternoon.
Thursday Night
Mostly clear, with a low around 45. North northwest wind around 5 mph becoming light and variable in the evening.
Friday
Mostly sunny, with a high near 75. Light and variable wind becoming southwest 5 to 8 mph in the morning.
Friday Night
Partly cloudy, with a low around 51. South southwest wind around 7 mph.
Saturday
Sunny, with a high near 77. West northwest wind 8 to 10 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Whiteash IL
 37.8°N 88.94°W
Last Update:
1:26 pm CDT Mar 15, 2026
Forecast Valid:
3pm 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