Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Fair

79°F

26°C

Humidity 87%
Wind Speed SW 5 mph
Barometer 30.06 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 15 Aug 10:55 pm CDT
Extended Forecast for

7 Miles WSW Goreville IL

Extreme Heat Warning August 15, 11:12pm until August 16, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning August 15, 11:12pm until August 16, 08:00pm

    NOW until 8:00pm Sun

    Extreme Heat Warning

  • Tonight

    Low: 74 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 97. Heat index values as high as 106. West southwest wind 3 to 6 mph.

    High: 97 °F

    Hot

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers and thunderstorms after 3am.  Partly cloudy, with a low around 72. Light north wind.  Chance of precipitation is 30%.

    Low: 72 °F

    Chance
    T-storms

  • Monday

    Monday: A slight chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 1pm.  Mostly sunny, with a high near 88. North northwest wind 5 to 7 mph.  Chance of precipitation is 40%.

    High: 88 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 67. Light north wind.

    Low: 67 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 90. Calm wind.

    High: 90 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 70. Calm wind.

    Low: 70 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms.  Mostly sunny, with a high near 93. Light and variable wind becoming southwest 5 to 7 mph in the morning.

    High: 93 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 74. Light south wind.
Sunday
Sunny and hot, with a high near 97. Heat index values as high as 106. West southwest wind 3 to 6 mph.
Sunday Night
A chance of showers and thunderstorms before 2am, then a slight chance of showers and thunderstorms after 3am. Partly cloudy, with a low around 72. Light north wind. Chance of precipitation is 30%.
Monday
A slight chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 1pm. Mostly sunny, with a high near 88. North northwest wind 5 to 7 mph. Chance of precipitation is 40%.
Monday Night
Partly cloudy, with a low around 67. Light north wind.
Tuesday
Sunny, with a high near 90. Calm wind.
Tuesday Night
Mostly clear, with a low around 70. Calm wind.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 93. Light and variable wind becoming southwest 5 to 7 mph in the morning.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 69. North wind 3 to 5 mph.
Thursday
A slight chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 85. North northeast wind around 6 mph.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 64. Light northeast wind.
Friday
A slight chance of showers. Mostly sunny, with a high near 85. Calm wind becoming northeast around 6 mph in the morning.
Friday Night
Partly cloudy, with a low around 65. Light east northeast wind.
Saturday
Mostly sunny, with a high near 86. Calm wind becoming north around 5 mph in the afternoon.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles WSW Goreville IL
 37.52°N 89.1°W
8:15 pm CDT Aug 15, 2026
11pm CDT Aug 15, 2026-6pm CDT Aug 22, 2026
 
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Additional Resources

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