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

56°F

13°C

Humidity 93%
Wind Speed Calm
Barometer 30.18 in
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 14 Oct 3:35 am CDT
Extended Forecast for

Whiteash IL

  • Overnight

    Overnight: Mostly clear, with a low around 55. Calm wind.

    Low: 55 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 82. Calm wind becoming northeast 5 to 7 mph in the afternoon.

    High: 82 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 5am. Otherwise, clear, with a low around 55. Light east northeast wind.

    Low: 55 °F

    Clear then
    Patchy Fog

  • Wednesday

    Wednesday: Sunny, with a high near 82. Calm wind becoming east northeast around 6 mph in the afternoon.

    High: 82 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 56. Light east wind.

    Low: 56 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 80. Light east wind increasing to 5 to 9 mph in the morning.

    High: 80 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 56. East southeast wind around 6 mph.

    Low: 56 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 83. South wind 5 to 9 mph.

    High: 83 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 63. South wind 6 to 8 mph.

    Low: 63 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 55. Calm wind.
Tuesday
Sunny, with a high near 82. Calm wind becoming northeast 5 to 7 mph in the afternoon.
Tuesday Night
Patchy fog after 5am. Otherwise, clear, with a low around 55. Light east northeast wind.
Wednesday
Sunny, with a high near 82. Calm wind becoming east northeast around 6 mph in the afternoon.
Wednesday Night
Clear, with a low around 56. Light east wind.
Thursday
Sunny, with a high near 80. Light east wind increasing to 5 to 9 mph in the morning.
Thursday Night
Partly cloudy, with a low around 56. East southeast wind around 6 mph.
Friday
Partly sunny, with a high near 83. South wind 5 to 9 mph.
Friday Night
Mostly clear, with a low around 63. South wind 6 to 8 mph.
Saturday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 78. Southwest wind 10 to 14 mph, with gusts as high as 20 mph.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 53. Southwest wind 7 to 10 mph.
Sunday
A slight chance of showers. Sunny, with a high near 70. West northwest wind 9 to 14 mph, with gusts as high as 21 mph.
Sunday Night
Clear, with a low around 43. West southwest wind 3 to 7 mph.
Monday
Sunny, with a high near 72. Light west southwest wind becoming southwest 5 to 10 mph in the morning.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Whiteash IL
 37.78°N 88.92°W
Last Update:
3:31 am CDT Oct 14, 2025
Forecast Valid:
3am CDT Oct 14, 2025-6pm CDT Oct 20, 2025
 
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Additional Resources

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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