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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

5 Miles ENE Makanda IL

Extreme Heat Warning until September 5, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning until September 5, 08:00pm

    NOW until 8:00pm Sat

    Extreme Heat Warning

  • Tonight

    Low: 76 °F

    Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 98. South southwest wind 3 to 6 mph.

    High: 98 °F

    Hot

  • Wednesday Night

    Wednesday Night: Clear, with a low around 77. Light south wind.

    Low: 77 °F

    Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 98. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 98 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 77. Light south wind.

    Low: 77 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 98. Light south southwest wind.

    High: 98 °F

    Hot

  • Friday Night

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

    Low: 75 °F

    Mostly Clear

  • Saturday

    Saturday: A slight chance of showers and thunderstorms. Mostly sunny and hot, with a high near 97. Light west wind.

    High: 97 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
Clear, with a low around 76. Light south wind.
Wednesday
Sunny and hot, with a high near 98. South southwest wind 3 to 6 mph.
Wednesday Night
Clear, with a low around 77. Light south wind.
Thursday
Sunny and hot, with a high near 98. Calm wind becoming southwest around 6 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 77. Light south wind.
Friday
Sunny and hot, with a high near 98. Light south southwest wind.
Friday Night
Mostly clear, with a low around 75. Calm wind.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny and hot, with a high near 97. Light west wind.
Saturday Night
A slight chance of showers before 1am. Mostly clear, with a low around 73. Calm wind.
Sunday
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. Calm wind becoming north around 6 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 71. Light east wind.
Labor Day
Mostly sunny, with a high near 92. Calm wind becoming southeast around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 69. East southeast wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 91. South southwest wind 3 to 6 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ENE Makanda IL
 37.65°N 89.15°W
Last Update:
11:46 pm CDT Sep 1, 2026
Forecast Valid:
11pm CDT Sep 1, 2026-6pm CDT Sep 8, 2026
 
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