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.

A Few Clouds

91°F

33°C

Humidity 56%
Wind Speed SW 6 mph
Barometer 30.12 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index100°F (38°C)
Last update 16 Aug 11:45 am CDT
Extended Forecast for

Creal Springs 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

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 75. Calm wind.

    Low: 75 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 99. Heat index values as high as 106. Calm wind.

    High: 99 °F

    Sunny then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 76. Calm wind.

    Low: 76 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 99. Calm wind.

    High: 99 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 76. Calm wind.

    Low: 76 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 99. Light west wind.

    High: 99 °F

    Hot

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 73. Calm wind.

    Low: 73 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 96. Calm wind.
Tonight
Mostly clear, with a low around 75. Calm wind.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 99. Heat index values as high as 106. Calm wind.
Sunday Night
Mostly clear, with a low around 76. Calm wind.
Monday
Sunny and hot, with a high near 99. Calm wind.
Monday Night
Mostly clear, with a low around 76. Calm wind.
Tuesday
Sunny and hot, with a high near 99. Light west wind.
Tuesday Night
A chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 73. Calm wind.
Wednesday
A chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 89. North wind 3 to 7 mph.
Wednesday Night
A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 69. North wind 3 to 6 mph.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 86. North northeast wind 5 to 7 mph.
Thursday Night
Partly cloudy, with a low around 67. North northeast wind around 6 mph becoming calm in the evening.
Friday
Sunny, with a high near 88. Calm wind becoming north northeast around 6 mph in the morning.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Creal Springs IL
 37.6°N 88.84°W
Last Update:
11:46 am CDT Aug 16, 2025
Forecast Valid:
12pm CDT Aug 16, 2025-6pm CDT Aug 22, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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