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

91°F

33°C

Humidity 56%
Wind Speed SW 6 mph
Barometer 30.08 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index100°F (38°C)
Last update 2 Sep 10:47 am CDT
Extended Forecast for

7 Miles E Makanda IL

Extreme Heat Warning September 2, 11:43am until September 5, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning September 2, 11:43am until September 5, 08:00pm

    NOW until 8:00pm Sat

    Extreme Heat Warning

  • Today

    High: 97 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 76. Light south wind.

    Low: 76 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 96. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 96 °F

    Sunny

  • Thursday Night

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

    Low: 77 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 97. Calm wind.

    High: 97 °F

    Hot

  • Friday Night

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

    Low: 76 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 96. Calm wind.

    High: 96 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A slight chance of showers before 1am. Partly cloudy, with a low around 73. Calm wind.

    Low: 73 °F

    Slight Chance
    Showers

Detailed Forecast

Today
Sunny and hot, with a high near 97. South wind around 6 mph.
Tonight
Mostly clear, with a low around 76. Light south wind.
Thursday
Sunny, with a high near 96. Calm wind becoming southwest around 6 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 77. Calm wind.
Friday
Sunny and hot, with a high near 97. Calm wind.
Friday Night
Mostly clear, with a low around 76. Calm wind.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 96. Calm wind.
Saturday Night
A slight chance of showers before 1am. Partly cloudy, with a low around 73. Calm wind.
Sunday
Sunny, with a high near 93. Calm wind becoming north northeast around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 71. Light east wind.
Labor Day
Sunny, with a high near 92. Calm wind becoming east around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 70. Light and variable wind.
Tuesday
Mostly sunny, with a high near 92. Calm wind becoming south around 5 mph in the morning.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles E Makanda IL
 37.63°N 89.12°W
Last Update:
10:46 am CDT Sep 2, 2026
Forecast Valid:
11am CDT Sep 2, 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