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

25°F

-4°C

Humidity 71%
Wind Speed SW 5 mph
Barometer 30.11 in
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 31 Dec 1:55 am CST
Extended Forecast for

Whiteash IL

  • Overnight

    Overnight: Mostly clear, with a low around 27. West southwest wind around 6 mph.

    Low: 27 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 43. West northwest wind 6 to 9 mph.

    High: 43 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 27. Light and variable wind.

    Low: 27 °F

    Mostly Clear

  • New Year's Day

    New Year's Day: Mostly sunny, with a high near 42. Northeast wind around 5 mph becoming calm in the afternoon.

    High: 42 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 30. Calm wind.

    Low: 30 °F

    Mostly Cloudy

  • Friday

    Friday: Cloudy, with a high near 46. Calm wind becoming northeast around 6 mph in the morning.

    High: 46 °F

    Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 28. North northeast wind around 6 mph.

    Low: 28 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 42. North wind 3 to 7 mph.

    High: 42 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 24. Calm wind.

    Low: 24 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 27. West southwest wind around 6 mph.
Wednesday
Partly sunny, with a high near 43. West northwest wind 6 to 9 mph.
Wednesday Night
Mostly clear, with a low around 27. Light and variable wind.
New Year's Day
Mostly sunny, with a high near 42. Northeast wind around 5 mph becoming calm in the afternoon.
Thursday Night
Mostly cloudy, with a low around 30. Calm wind.
Friday
Cloudy, with a high near 46. Calm wind becoming northeast around 6 mph in the morning.
Friday Night
Mostly cloudy, with a low around 28. North northeast wind around 6 mph.
Saturday
Mostly sunny, with a high near 42. North wind 3 to 7 mph.
Saturday Night
Mostly clear, with a low around 24. Calm wind.
Sunday
Partly sunny, with a high near 45. Calm wind becoming south southeast around 6 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 34. South wind around 6 mph.
Monday
Partly sunny, with a high near 56. South southwest wind 6 to 9 mph.
Monday Night
Mostly cloudy, with a low around 39. Southwest wind around 6 mph.
Tuesday
Partly sunny, with a high near 55. West wind 5 to 7 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Whiteash IL
 37.78°N 88.92°W
Last Update:
1:36 am CST Dec 31, 2025
Forecast Valid:
2am CST Dec 31, 2025-6pm CST Jan 6, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation