National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Fair

64°F

18°C

Humidity 63%
Wind Speed E 3 mph
Barometer 30.19 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 27 Aug 9:15 pm CDT
Extended Forecast for

Whiteash IL

  • Tonight

    Tonight: Partly cloudy, with a low around 57. Light south southeast wind.

    Low: 57 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 82. Light and variable wind becoming south southwest 5 to 7 mph in the morning.

    High: 82 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 56. Calm wind.

    Low: 56 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 87. Calm wind becoming east northeast around 6 mph in the afternoon.

    High: 87 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 58. Northeast wind 3 to 6 mph.

    Low: 58 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 85. Northeast wind 5 to 10 mph.

    High: 85 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 58. Northeast wind 5 to 8 mph.

    Low: 58 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 84. Northeast wind 6 to 10 mph.

    High: 84 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 58. Northeast wind 3 to 7 mph.

    Low: 58 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 57. Light south southeast wind.
Thursday
Mostly sunny, with a high near 82. Light and variable wind becoming south southwest 5 to 7 mph in the morning.
Thursday Night
Mostly clear, with a low around 56. Calm wind.
Friday
Sunny, with a high near 87. Calm wind becoming east northeast around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 58. Northeast wind 3 to 6 mph.
Saturday
Sunny, with a high near 85. Northeast wind 5 to 10 mph.
Saturday Night
Partly cloudy, with a low around 58. Northeast wind 5 to 8 mph.
Sunday
Mostly sunny, with a high near 84. Northeast wind 6 to 10 mph.
Sunday Night
Partly cloudy, with a low around 58. Northeast wind 3 to 7 mph.
Labor Day
Mostly sunny, with a high near 86. Northeast wind 3 to 7 mph.
Monday Night
Mostly clear, with a low around 60. East northeast wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 87. Calm wind becoming south around 6 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 62. Light and variable wind.
Wednesday
Mostly sunny, with a high near 89. West southwest wind 3 to 8 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Whiteash IL
 37.8°N 88.92°W
Last Update:
5:46 pm CDT Aug 27, 2025
Forecast Valid:
9pm CDT Aug 27, 2025-6pm CDT Sep 3, 2025
 
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