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

70°F

21°C

Humidity 64%
Wind Speed S 12 mph
Barometer 29.96 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 14 Nov 6:45 pm CST
Extended Forecast for

Whiteash IL

  • Tonight

    Tonight: Partly cloudy, with a low around 60. South southwest wind 9 to 11 mph, with gusts as high as 20 mph.

    Low: 60 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 75. Southwest wind 13 to 17 mph, with gusts as high as 23 mph.

    High: 75 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 47. Southwest wind 6 to 9 mph becoming north northwest after midnight.

    Low: 47 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 61. North wind 3 to 8 mph.

    High: 61 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 36. Calm wind.

    Low: 36 °F

    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers after noon. Mostly sunny, with a high near 60. Light east northeast wind becoming east southeast 5 to 10 mph in the morning.

    High: 60 °F

    Sunny then
    Chance
    Showers

  • Monday Night

    Monday Night: Showers likely. Mostly cloudy, with a low around 48. East southeast wind 7 to 9 mph. Chance of precipitation is 70%.

    Low: 48 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers before noon. Partly sunny, with a high near 65. South southeast wind 7 to 11 mph becoming northwest in the afternoon.

    High: 65 °F

    Chance
    Showers then
    Partly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers. Mostly cloudy, with a low around 42. North northeast wind 3 to 6 mph.

    Low: 42 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 60. South southwest wind 9 to 11 mph, with gusts as high as 20 mph.
Saturday
Mostly sunny, with a high near 75. Southwest wind 13 to 17 mph, with gusts as high as 23 mph.
Saturday Night
Mostly clear, with a low around 47. Southwest wind 6 to 9 mph becoming north northwest after midnight.
Sunday
Sunny, with a high near 61. North wind 3 to 8 mph.
Sunday Night
Mostly clear, with a low around 36. Calm wind.
Monday
A 30 percent chance of showers after noon. Mostly sunny, with a high near 60. Light east northeast wind becoming east southeast 5 to 10 mph in the morning.
Monday Night
Showers likely. Mostly cloudy, with a low around 48. East southeast wind 7 to 9 mph. Chance of precipitation is 70%.
Tuesday
A chance of showers before noon. Partly sunny, with a high near 65. South southeast wind 7 to 11 mph becoming northwest in the afternoon.
Tuesday Night
A slight chance of showers. Mostly cloudy, with a low around 42. North northeast wind 3 to 6 mph.
Wednesday
A chance of showers. Partly sunny, with a high near 60. Northeast wind 5 to 7 mph becoming east southeast in the afternoon.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 47. South southeast wind 5 to 7 mph.
Thursday
Showers likely. Mostly cloudy, with a high near 65. South southwest wind 7 to 11 mph.
Thursday Night
Showers likely. Mostly cloudy, with a low around 47. South southwest wind 7 to 9 mph.
Friday
A chance of showers. Partly sunny, with a high near 62. Southeast wind 9 to 11 mph becoming south southwest in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Whiteash IL
 37.78°N 88.95°W
Last Update:
7:47 pm CST Nov 14, 2025
Forecast Valid:
9pm CST Nov 14, 2025-6pm CST Nov 21, 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