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

52°F

11°C

Humidity 72%
Wind Speed SW 3 mph
Barometer 30.13 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 9 Nov 11:35 pm CST
Extended Forecast for

Whiteash IL

  • Overnight

    Overnight: Clear, with a low around 43. Light southwest wind.

    Low: 43 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 70. Calm wind becoming west around 6 mph.

    High: 70 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 45. Calm wind.

    Low: 45 °F

    Mostly Clear

  • Veterans Day

    Veterans Day: A 40 percent chance of showers after noon. Mostly sunny, with a high near 71. Light and variable wind becoming south southwest 6 to 11 mph in the morning. Winds could gust as high as 18 mph.

    High: 71 °F

    Mostly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 43. North northwest wind 10 to 14 mph, with gusts as high as 18 mph.

    Low: 43 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 54. Northwest wind 14 to 17 mph, with gusts as high as 22 mph.

    High: 54 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 31. North northwest wind 7 to 15 mph, with gusts as high as 18 mph.

    Low: 31 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 49. North northwest wind 7 to 13 mph.

    High: 49 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 27. North northwest wind around 5 mph becoming calm in the evening.

    Low: 27 °F

    Mostly Clear

Detailed Forecast

Overnight
Clear, with a low around 43. Light southwest wind.
Tuesday
Sunny, with a high near 70. Calm wind becoming west around 6 mph.
Tuesday Night
Mostly clear, with a low around 45. Calm wind.
Veterans Day
A 40 percent chance of showers after noon. Mostly sunny, with a high near 71. Light and variable wind becoming south southwest 6 to 11 mph in the morning. Winds could gust as high as 18 mph.
Wednesday Night
Partly cloudy, with a low around 43. North northwest wind 10 to 14 mph, with gusts as high as 18 mph.
Thursday
Mostly sunny, with a high near 54. Northwest wind 14 to 17 mph, with gusts as high as 22 mph.
Thursday Night
Partly cloudy, with a low around 31. North northwest wind 7 to 15 mph, with gusts as high as 18 mph.
Friday
Mostly sunny, with a high near 49. North northwest wind 7 to 13 mph.
Friday Night
Mostly clear, with a low around 27. North northwest wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 52. Calm wind becoming northwest around 5 mph.
Saturday Night
Mostly clear, with a low around 31. Calm wind.
Sunday
A slight chance of showers. Mostly sunny, with a high near 57. Calm wind becoming south 5 to 8 mph in the morning.
Sunday Night
Partly cloudy, with a low around 36. Light south southeast wind.
Monday
Mostly sunny, with a high near 61. Calm wind becoming south 5 to 7 mph in the morning.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Whiteash IL
 37.78°N 88.92°W
Last Update:
8:51 pm CST Nov 9, 2026
Forecast Valid:
12am CST Nov 10, 2026-6pm CST Nov 16, 2026
 
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