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

69°F

21°C

Humidity 95%
Wind Speed Calm
Barometer 29.99 in
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 23 Aug 9:15 pm CDT
Extended Forecast for

Whiteash IL

  • Tonight

    Tonight: Partly cloudy, with a low around 62. Calm wind becoming north around 6 mph after midnight.

    Low: 62 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 82. North northwest wind 6 to 13 mph.

    High: 82 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 55. North northwest wind 5 to 8 mph becoming calm in the evening.

    Low: 55 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 79. Light northwest wind increasing to 6 to 11 mph in the morning.

    High: 79 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 53. North northwest wind around 6 mph becoming calm in the evening.

    Low: 53 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 80. Calm wind becoming north 5 to 9 mph in the morning.

    High: 80 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 52. North wind around 6 mph becoming calm in the evening.

    Low: 52 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 81. Calm wind becoming north northeast around 6 mph in the afternoon.

    High: 81 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 55. East northeast wind around 5 mph becoming calm in the evening.

    Low: 55 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 62. Calm wind becoming north around 6 mph after midnight.
Sunday
Sunny, with a high near 82. North northwest wind 6 to 13 mph.
Sunday Night
Mostly clear, with a low around 55. North northwest wind 5 to 8 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 79. Light northwest wind increasing to 6 to 11 mph in the morning.
Monday Night
Partly cloudy, with a low around 53. North northwest wind around 6 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 80. Calm wind becoming north 5 to 9 mph in the morning.
Tuesday Night
Mostly clear, with a low around 52. North wind around 6 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 81. Calm wind becoming north northeast around 6 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 55. East northeast wind around 5 mph becoming calm in the evening.
Thursday
Partly sunny, with a high near 83. Calm wind becoming east southeast around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 59. Light southeast wind.
Friday
A slight chance of showers. Mostly sunny, with a high near 84. Calm wind becoming east 5 to 7 mph in the morning.
Friday Night
Partly cloudy, with a low around 61. East wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 82. Light and variable 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 88.95°W
Last Update:
9:01 pm CDT Aug 23, 2025
Forecast Valid:
9pm CDT Aug 23, 2025-6pm CDT Aug 30, 2025
 
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Additional Resources

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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