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

Hazardous Weather Conditions

Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Fair

21°F

-6°C

Humidity 74%
Wind Speed N 9 mph
Barometer 30.25 in
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill11°F (-12°C)
Last update 19 Jan 6:45 am CST
Extended Forecast for

Whiteash IL

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 22. Northwest wind 7 to 17 mph, with gusts as high as 25 mph.

    High: 22 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 11. Light and variable wind.

    Low: 11 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 38. Light south southwest wind increasing to 5 to 10 mph in the morning.

    High: 38 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 28. South wind 8 to 15 mph, with gusts as high as 26 mph.

    Low: 28 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 47. Southwest wind 8 to 16 mph, with gusts as high as 26 mph.

    High: 47 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 26. Southwest wind around 6 mph becoming northwest after midnight.

    Low: 26 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 38. Northwest wind 3 to 7 mph.

    High: 38 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 22. Calm wind becoming north northeast 5 to 7 mph after midnight.

    Low: 22 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 31. North wind 8 to 13 mph, with gusts as high as 18 mph.

    High: 31 °F

    Mostly Cloudy

Detailed Forecast

M.L.King Day
Sunny, with a high near 22. Northwest wind 7 to 17 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 11. Light and variable wind.
Tuesday
Sunny, with a high near 38. Light south southwest wind increasing to 5 to 10 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 28. South wind 8 to 15 mph, with gusts as high as 26 mph.
Wednesday
Mostly sunny, with a high near 47. Southwest wind 8 to 16 mph, with gusts as high as 26 mph.
Wednesday Night
Partly cloudy, with a low around 26. Southwest wind around 6 mph becoming northwest after midnight.
Thursday
Mostly sunny, with a high near 38. Northwest wind 3 to 7 mph.
Thursday Night
Partly cloudy, with a low around 22. Calm wind becoming north northeast 5 to 7 mph after midnight.
Friday
Mostly cloudy, with a high near 31. North wind 8 to 13 mph, with gusts as high as 18 mph.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 6. North wind 10 to 13 mph, with gusts as high as 20 mph.
Saturday
A chance of snow showers. Mostly cloudy, with a high near 18. North northeast wind 10 to 13 mph, with gusts as high as 20 mph.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 9. North northeast wind 6 to 9 mph.
Sunday
Mostly sunny, with a high near 25. North northeast wind around 8 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Whiteash IL
 37.78°N 88.92°W
Last Update:
7:01 am CST Jan 19, 2026
Forecast Valid:
7am CST Jan 19, 2026-6pm CST Jan 25, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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