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.

Fog/Mist

57°F

14°C

Humidity 94%
Wind Speed S 14 mph
Barometer 29.87 in
Dewpoint 55°F (13°C)
Visibility 4.00 mi
Last update 8 Jan 10:45 am CST
Extended Forecast for

Whiteash IL

  • Today

    Today: A slight chance of showers before 2pm, then a slight chance of showers after 4pm. Cloudy, with a high near 67. Breezy, with a south wind 13 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.

    High: 67 °F

    Slight Chance
    Showers and
    Breezy

  • Tonight

    Tonight: Showers and thunderstorms before 3am, then a slight chance of showers. Low around 58. Breezy, with a south wind 14 to 23 mph, with gusts as high as 37 mph. Chance of precipitation is 90%.

    Low: 58 °F

    Breezy.
    Showers then
    Showers
    Likely

  • Friday

    Friday: Partly sunny, with a temperature falling to around 54 by 5pm. Southwest wind 6 to 10 mph becoming north in the afternoon. Winds could gust as high as 20 mph.

    High: 61 °F⇓

    Partly Sunny

  • Friday Night

    Friday Night: A 50 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 43. North northeast wind 3 to 7 mph.

    Low: 43 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers before noon. Partly sunny, with a high near 49. West northwest wind 8 to 14 mph, with gusts as high as 22 mph.

    High: 49 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 26. West wind 9 to 11 mph, with gusts as high as 18 mph.

    Low: 26 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 35. West northwest wind 7 to 14 mph, with gusts as high as 21 mph.

    High: 35 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 22. West northwest wind around 5 mph becoming calm in the evening.

    Low: 22 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 45. South southwest wind 5 to 11 mph, with gusts as high as 18 mph.

    High: 45 °F

    Sunny

Detailed Forecast

Today
A slight chance of showers before 2pm, then a slight chance of showers after 4pm. Cloudy, with a high near 67. Breezy, with a south wind 13 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.
Tonight
Showers and thunderstorms before 3am, then a slight chance of showers. Low around 58. Breezy, with a south wind 14 to 23 mph, with gusts as high as 37 mph. Chance of precipitation is 90%.
Friday
Partly sunny, with a temperature falling to around 54 by 5pm. Southwest wind 6 to 10 mph becoming north in the afternoon. Winds could gust as high as 20 mph.
Friday Night
A 50 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 43. North northeast wind 3 to 7 mph.
Saturday
A 20 percent chance of showers before noon. Partly sunny, with a high near 49. West northwest wind 8 to 14 mph, with gusts as high as 22 mph.
Saturday Night
Partly cloudy, with a low around 26. West wind 9 to 11 mph, with gusts as high as 18 mph.
Sunday
Mostly sunny, with a high near 35. West northwest wind 7 to 14 mph, with gusts as high as 21 mph.
Sunday Night
Mostly clear, with a low around 22. West northwest wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 45. South southwest wind 5 to 11 mph, with gusts as high as 18 mph.
Monday Night
Mostly clear, with a low around 32. South southwest wind 7 to 9 mph.
Tuesday
Mostly sunny, with a high near 53. South southwest wind 7 to 11 mph, with gusts as high as 18 mph.
Tuesday Night
Mostly cloudy, with a low around 37. Southwest wind 6 to 9 mph.
Wednesday
A slight chance of showers. Mostly cloudy, with a high near 46. Northwest wind 6 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:
11:02 am CST Jan 8, 2026
Forecast Valid:
11am CST Jan 8, 2026-6pm CST Jan 14, 2026
 
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Additional Resources

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Hourly Weather Forecast

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National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation