Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

A Few Clouds

93°F

34°C

Humidity 53%
Wind Speed W 3 mph
Barometer 30.09 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index103°F (39°C)
Last update 16 Aug 12:45 pm CDT
Extended Forecast for

Whiteash IL

Heat Advisory until August 19, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until August 19, 07:00pm

    NOW until 7:00pm Tue

    Heat Advisory

  • This Afternoon

    High: 96 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 75. Light south southeast wind.

    Low: 75 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny and hot, with a high near 100. Light and variable wind becoming south southeast around 5 mph.

    High: 100 °F

    Sunny then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 76. Calm wind.

    Low: 76 °F

    Partly Cloudy

  • Monday

    Monday: Sunny and hot, with a high near 100. Light south wind.

    High: 100 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 76. Light and variable wind.

    Low: 76 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 100. Calm wind becoming west northwest around 6 mph in the afternoon.

    High: 100 °F

    Hot

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms.  Partly cloudy, with a low around 73. Light and variable wind.

    Low: 73 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 96. South wind around 5 mph.
Tonight
Mostly clear, with a low around 75. Light south southeast wind.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 100. Light and variable wind becoming south southeast around 5 mph.
Sunday Night
Partly cloudy, with a low around 76. Calm wind.
Monday
Sunny and hot, with a high near 100. Light south wind.
Monday Night
Mostly clear, with a low around 76. Light and variable wind.
Tuesday
Sunny and hot, with a high near 100. Calm wind becoming west northwest around 6 mph in the afternoon.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 73. Light and variable wind.
Wednesday
A chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 89. North wind 5 to 9 mph.
Wednesday Night
A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 69. North wind 5 to 8 mph.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 86. North northeast wind 6 to 9 mph.
Thursday Night
Partly cloudy, with a low around 67. Northeast wind 5 to 7 mph becoming calm in the evening.
Friday
Sunny, with a high near 88. North northeast wind 3 to 6 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Whiteash IL
 37.8°N 88.92°W
12:31 pm CDT Aug 16, 2025
12pm CDT Aug 16, 2025-6pm CDT Aug 22, 2025
 
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Additional Resources

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