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.

Fair

78°F

26°C

Humidity 84%
Wind Speed SE 3 mph
Barometer 30.05 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 15 Aug 12:35 am CDT
Extended Forecast for

2 Miles WNW Whiteash IL

  • Overnight

    Overnight: Mostly clear, with a low around 73. Calm wind.

    Low: 73 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 95. Calm wind.

    High: 95 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 74. Calm wind.

    Low: 74 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 98. Calm wind.

    High: 98 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 74. Calm wind.

    Low: 74 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 99. Light east southeast wind.

    High: 99 °F

    Hot

  • Sunday Night

    Sunday Night: Clear, with a low around 75. Calm wind.

    Low: 75 °F

    Clear

  • Monday

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

    High: 100 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 76. Light south southeast wind.

    Low: 76 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 73. Calm wind.
Friday
Sunny, with a high near 95. Calm wind.
Friday Night
Mostly clear, with a low around 74. Calm wind.
Saturday
Sunny and hot, with a high near 98. Calm wind.
Saturday Night
Mostly clear, with a low around 74. Calm wind.
Sunday
Sunny and hot, with a high near 99. Light east southeast wind.
Sunday Night
Clear, with a low around 75. Calm wind.
Monday
Sunny and hot, with a high near 100. Light south southeast wind.
Monday Night
Mostly clear, with a low around 76. Light south southeast wind.
Tuesday
Sunny and hot, with a high near 100. Calm wind becoming west southwest around 6 mph in the afternoon.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 75. Northeast wind around 5 mph becoming calm in the evening.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 94. Northwest wind 3 to 8 mph.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 70. North northeast wind 3 to 7 mph.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 91. North northeast wind 3 to 8 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Whiteash IL
 37.8°N 88.97°W
Last Update:
11:16 pm CDT Aug 14, 2025
Forecast Valid:
12am CDT Aug 15, 2025-6pm CDT Aug 21, 2025
 
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Additional Resources

Radar & Satellite Image

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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