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

30°F

-1°C

Humidity 59%
Wind Speed SE 12 mph
Barometer 30.26 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 8 Feb 8:45 am CST
Extended Forecast for

Whiteash IL

  • Today

    Today: Partly sunny, with a high near 44. Southeast wind 6 to 8 mph.

    High: 44 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 29. East wind around 5 mph becoming calm in the evening.

    Low: 29 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 55. Light and variable wind.

    High: 55 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 40. Calm wind becoming south southwest around 6 mph in the evening.

    Low: 40 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 61. Southwest wind 5 to 8 mph becoming north northwest in the afternoon.

    High: 61 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 37. North wind around 6 mph.

    Low: 37 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 51. North northeast wind 5 to 7 mph.

    High: 51 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 33. East northeast wind 3 to 5 mph.

    Low: 33 °F

    Mostly Cloudy

  • Thursday

    Thursday: A slight chance of showers. Mostly cloudy, with a high near 48. East wind 5 to 7 mph.

    High: 48 °F

    Slight Chance
    Showers

Detailed Forecast

Today
Partly sunny, with a high near 44. Southeast wind 6 to 8 mph.
Tonight
Partly cloudy, with a low around 29. East wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 55. Light and variable wind.
Monday Night
Mostly clear, with a low around 40. Calm wind becoming south southwest around 6 mph in the evening.
Tuesday
Partly sunny, with a high near 61. Southwest wind 5 to 8 mph becoming north northwest in the afternoon.
Tuesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 37. North wind around 6 mph.
Wednesday
Mostly cloudy, with a high near 51. North northeast wind 5 to 7 mph.
Wednesday Night
Mostly cloudy, with a low around 33. East northeast wind 3 to 5 mph.
Thursday
A slight chance of showers. Mostly cloudy, with a high near 48. East wind 5 to 7 mph.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 32. East northeast wind around 6 mph.
Friday
A slight chance of showers. Mostly sunny, with a high near 50. East northeast wind 6 to 8 mph.
Friday Night
A chance of showers. Partly cloudy, with a low around 32. East wind around 7 mph.
Saturday
A chance of showers. Mostly cloudy, with a high near 50. Southeast wind 7 to 10 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Whiteash IL
 37.78°N 88.92°W
Last Update:
9:32 am CST Feb 8, 2026
Forecast Valid:
9am CST Feb 8, 2026-6pm CST Feb 14, 2026
 
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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