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.

Mostly Cloudy

75°F

24°C

Humidity 50%
Wind Speed SW 20 G 25 mph
Barometer 30.24 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 10 Apr 12:45 pm CDT
Extended Forecast for

Whiteash IL

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 79. West northwest wind 8 to 11 mph, with gusts as high as 20 mph.

    High: 79 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms. Mostly cloudy, with a low around 55. East northeast wind 3 to 7 mph. Chance of precipitation is 30%.

    Low: 55 °F

    Chance
    Showers

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly between 4pm and 5pm. Partly sunny, with a high near 79. East northeast wind 5 to 7 mph becoming southeast in the afternoon.

    High: 79 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 61. East southeast wind around 6 mph becoming south after midnight.

    Low: 61 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 82. South southwest wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 29 mph.

    High: 82 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of showers, with thunderstorms also possible after 10pm. Mostly cloudy, with a low around 67. South southwest wind around 15 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.

    Low: 67 °F

    Chance
    Showers

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 83. South southwest wind 14 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.

    High: 83 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 68. South southwest wind 11 to 14 mph, with gusts as high as 23 mph.

    Low: 68 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 87. South southwest wind 11 to 17 mph, with gusts as high as 28 mph.

    High: 87 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 79. West northwest wind 8 to 11 mph, with gusts as high as 20 mph.
Tonight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 55. East northeast wind 3 to 7 mph. Chance of precipitation is 30%.
Saturday
A 30 percent chance of showers and thunderstorms, mainly between 4pm and 5pm. Partly sunny, with a high near 79. East northeast wind 5 to 7 mph becoming southeast in the afternoon.
Saturday Night
Partly cloudy, with a low around 61. East southeast wind around 6 mph becoming south after midnight.
Sunday
Partly sunny, with a high near 82. South southwest wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 29 mph.
Sunday Night
A chance of showers, with thunderstorms also possible after 10pm. Mostly cloudy, with a low around 67. South southwest wind around 15 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.
Monday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 83. South southwest wind 14 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.
Monday Night
Mostly cloudy, with a low around 68. South southwest wind 11 to 14 mph, with gusts as high as 23 mph.
Tuesday
A slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 87. South southwest wind 11 to 17 mph, with gusts as high as 28 mph.
Tuesday Night
A chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 70. South southwest wind around 14 mph, with gusts as high as 23 mph.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 86. South southwest wind 13 to 16 mph, with gusts as high as 25 mph.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Southwest wind 7 to 10 mph.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 81. South wind 7 to 11 mph, with gusts as high as 18 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Whiteash IL
 37.78°N 88.92°W
Last Update:
11:37 am CDT Apr 10, 2026
Forecast Valid:
1pm CDT Apr 10, 2026-6pm CDT Apr 16, 2026
 
Forecast Discussion
 
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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