Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Heavy Rain and Breezy

61°F

16°C

Humidity 83%
Wind Speed NW 21 G 36 mph
Barometer 29.63 in
Dewpoint 55°F (13°C)
Visibility 2.00 mi
Last update 28 Dec 5:47 pm CST
Extended Forecast for

Whiteash IL

Tornado Watch until December 28, 08:00pm
Wind Advisory until December 29, 06:00am
Click here for hazard details and duration
...
Wind Advisory
  •  
    Tornado Watch until December 28, 08:00pm
    Wind Advisory until December 29, 06:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 21 °F

    Blustery.
    Chance
    Showers then
    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 31. Blustery, with a west northwest wind 16 to 22 mph, with gusts as high as 33 mph.

    High: 31 °F

    Mostly Sunny
    and Blustery
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 19. Northwest wind 6 to 14 mph, with gusts as high as 21 mph.

    Low: 19 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 35. Northwest wind 6 to 8 mph becoming southwest in the afternoon.

    High: 35 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 27. Southwest wind around 6 mph.

    Low: 27 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 44. West northwest wind 5 to 10 mph becoming light west  in the afternoon.

    High: 44 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 27. Calm wind becoming northwest around 5 mph after midnight.

    Low: 27 °F

    Partly Cloudy

  • New Year's Day

    New Year's Day: Sunny, with a high near 43. Northwest wind 5 to 8 mph.

    High: 43 °F

    Sunny

Detailed Forecast

Tonight
A 50 percent chance of showers, mainly before 7pm. Cloudy during the early evening, then gradual clearing, with a low around 21. Blustery, with a west northwest wind 22 to 28 mph, with gusts as high as 41 mph.
Monday
Mostly sunny, with a high near 31. Blustery, with a west northwest wind 16 to 22 mph, with gusts as high as 33 mph.
Monday Night
Partly cloudy, with a low around 19. Northwest wind 6 to 14 mph, with gusts as high as 21 mph.
Tuesday
Sunny, with a high near 35. Northwest wind 6 to 8 mph becoming southwest in the afternoon.
Tuesday Night
Mostly clear, with a low around 27. Southwest wind around 6 mph.
Wednesday
Mostly sunny, with a high near 44. West northwest wind 5 to 10 mph becoming light west in the afternoon.
Wednesday Night
Partly cloudy, with a low around 27. Calm wind becoming northwest around 5 mph after midnight.
New Year's Day
Sunny, with a high near 43. Northwest wind 5 to 8 mph.
Thursday Night
Partly cloudy, with a low around 25. Light north northeast wind.
Friday
Mostly cloudy, with a high near 44. East wind 3 to 7 mph.
Friday Night
A slight chance of showers. Mostly cloudy, with a low around 31. Calm wind becoming north northeast around 5 mph after midnight.
Saturday
Mostly sunny, with a high near 45. North northwest wind 5 to 7 mph.
Saturday Night
Partly cloudy, with a low around 25. Northwest wind 3 to 5 mph.
Sunday
Mostly sunny, with a high near 42. Northwest wind 5 to 8 mph becoming south in the afternoon.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Whiteash IL
 37.78°N 88.92°W
4:21 pm CST Dec 28, 2025
6pm CST Dec 28, 2025-6pm CST Jan 4, 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