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

36°F

2°C

Humidity 100%
Wind Speed Calm
Barometer 30.25 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 13 Nov 6:47 am CST
Extended Forecast for

Whiteash IL

  • Today

    Today: Mostly sunny, with a high near 66. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 66 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 48. South southeast wind 3 to 6 mph.

    Low: 48 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 74. South southwest wind 6 to 11 mph.

    High: 74 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 59. South southwest wind 6 to 11 mph, with gusts as high as 18 mph.

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 76. Southwest wind 11 to 16 mph, with gusts as high as 24 mph.

    High: 76 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 48. Southwest wind 7 to 13 mph becoming north northwest after midnight. Winds could gust as high as 20 mph.

    Low: 48 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 62. North northwest wind 5 to 8 mph.

    High: 62 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 39. Light and variable wind.

    Low: 39 °F

    Mostly Clear

  • Monday

    Monday: A slight chance of showers after noon. Mostly sunny, with a high near 61. Light east wind becoming east southeast 5 to 10 mph in the morning.

    High: 61 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 66. Calm wind becoming southeast around 6 mph in the afternoon.
Tonight
Mostly clear, with a low around 48. South southeast wind 3 to 6 mph.
Friday
Mostly sunny, with a high near 74. South southwest wind 6 to 11 mph.
Friday Night
Mostly clear, with a low around 59. South southwest wind 6 to 11 mph, with gusts as high as 18 mph.
Saturday
Mostly sunny, with a high near 76. Southwest wind 11 to 16 mph, with gusts as high as 24 mph.
Saturday Night
Mostly clear, with a low around 48. Southwest wind 7 to 13 mph becoming north northwest after midnight. Winds could gust as high as 20 mph.
Sunday
Sunny, with a high near 62. North northwest wind 5 to 8 mph.
Sunday Night
Mostly clear, with a low around 39. Light and variable wind.
Monday
A slight chance of showers after noon. Mostly sunny, with a high near 61. Light east wind becoming east southeast 5 to 10 mph in the morning.
Monday Night
Showers likely, mainly after midnight. Mostly cloudy, with a low around 48. East southeast wind 8 to 10 mph becoming south after midnight.
Tuesday
A chance of showers. Mostly sunny, with a high near 62. West southwest wind 9 to 13 mph, with gusts as high as 18 mph.
Tuesday Night
A slight chance of showers. Mostly cloudy, with a low around 45. West southwest wind 5 to 8 mph becoming north after midnight.
Wednesday
A chance of showers. Mostly cloudy, with a high near 59. North northeast wind 6 to 8 mph becoming south in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Whiteash IL
 37.78°N 88.92°W
Last Update:
5:11 am CST Nov 13, 2025
Forecast Valid:
7am CST Nov 13, 2025-6pm CST Nov 19, 2025
 
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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