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.

Partly Cloudy

90°F

32°C

Humidity 63%
Wind Speed SW 14 mph
Barometer 30.03 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index101°F (38°C)
Last update 21 Jun 11:47 am CDT
Extended Forecast for

5 Miles NW Stonefort IL

Heat Advisory until June 24, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until June 24, 07:00pm

    NOW until 7:00pm Tue

    Heat Advisory

  • This Afternoon

    High: 94 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 76. South southwest wind 5 to 8 mph.

    Low: 76 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 94. South southwest wind 5 to 8 mph.

    High: 94 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 76. South wind around 6 mph becoming calm in the evening.

    Low: 76 °F

    Clear

  • Monday

    Monday: A slight chance of showers, with thunderstorms also possible after 10am. Sunny, with a high near 93. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 20%.

    High: 93 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 75. South wind around 5 mph becoming calm in the evening.

    Low: 75 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 92. Light south southwest wind.

    High: 92 °F

    Sunny

  • Tuesday Night

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

    Low: 75 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Sunny, with a high near 94. South southwest wind 11 to 13 mph, with gusts as high as 21 mph.
Tonight
Clear, with a low around 76. South southwest wind 5 to 8 mph.
Sunday
Sunny, with a high near 94. South southwest wind 5 to 8 mph.
Sunday Night
Clear, with a low around 76. South wind around 6 mph becoming calm in the evening.
Monday
A slight chance of showers, with thunderstorms also possible after 10am. Sunny, with a high near 93. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 20%.
Monday Night
Mostly clear, with a low around 75. South wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 92. Light south southwest wind.
Tuesday Night
Mostly clear, with a low around 75. Calm wind.
Wednesday
Sunny, with a high near 94. Calm wind becoming south southwest around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 76. Light south southwest wind.
Thursday
Sunny, with a high near 93. Calm wind becoming south southwest 5 to 7 mph in the morning.
Thursday Night
Mostly clear, with a low around 75. South southwest wind around 6 mph becoming calm in the evening.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 92. Calm wind becoming southwest 5 to 7 mph in the morning.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NW Stonefort IL
 37.68°N 88.78°W
Last Update:
12:00 pm CDT Jun 21, 2025
Forecast Valid:
12pm CDT Jun 21, 2025-6pm CDT Jun 27, 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