Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Fair

77°F

25°C

Humidity 87%
Wind Speed Calm
Barometer 30.02 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 19 Aug 4:15 am CDT
Extended Forecast for

5 Miles NNE Goreville IL

Heat Advisory August 19, 04:27am until August 19, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 19, 04:27am until August 19, 07:00pm

    NOW until 7:00pm Tue

    Heat Advisory

  • Today

    High: 96 °F

    Sunny then
    Chance
    T-storms

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly before 1am.  Mostly cloudy, with a low around 73. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 73 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm.  Mostly sunny, with a high near 88. North wind 5 to 9 mph.  Chance of precipitation is 20%.

    High: 88 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 67. North northeast wind 5 to 7 mph.

    Low: 67 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 86. North northeast wind 6 to 9 mph.

    High: 86 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 66. North northeast wind around 6 mph becoming calm  in the evening.

    Low: 66 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 89. Calm wind becoming north northeast around 6 mph in the morning.

    High: 89 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 66. Light north northeast wind.

    Low: 66 °F

    Clear

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Increasing clouds, with a high near 96. Heat index values as high as 105. Calm wind becoming southwest around 6 mph.
Tonight
A 50 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 73. Northwest wind around 5 mph becoming calm in the evening.
Wednesday
A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Mostly sunny, with a high near 88. North wind 5 to 9 mph. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 67. North northeast wind 5 to 7 mph.
Thursday
Mostly sunny, with a high near 86. North northeast wind 6 to 9 mph.
Thursday Night
Mostly clear, with a low around 66. North northeast wind around 6 mph becoming calm in the evening.
Friday
Sunny, with a high near 89. Calm wind becoming north northeast around 6 mph in the morning.
Friday Night
Clear, with a low around 66. Light north northeast wind.
Saturday
Sunny, with a high near 90. Calm wind becoming north around 6 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 64. North wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 85. North northwest wind 3 to 7 mph.
Sunday Night
Mostly clear, with a low around 59. North wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 80. Calm wind becoming north northwest around 6 mph in the morning.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNE Goreville IL
 37.62°N 88.93°W
3:01 am CDT Aug 19, 2025
4am CDT Aug 19, 2025-6pm CDT Aug 25, 2025
 
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Additional Resources

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