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.

Mostly Cloudy

82°F

28°C

Humidity 79%
Wind Speed S 16 G 32 mph
Barometer 29.86 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 18 Jun 10:45 am CDT
Extended Forecast for

3 Miles SW Goreville IL

Lake Wind Advisory until June 18, 07:00pm
Click here for hazard details and duration
Lake Wind Advisory
  •  
    Lake Wind Advisory until June 18, 07:00pm

    NOW until 7:00pm Wed

    Lake Wind Advisory

  • Today

    High: 88 °F

    Severe
    Thunderstorms

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms before 4am. Some of the storms could be severe. Mostly cloudy, with a low around 70. West southwest wind 5 to 11 mph, with gusts as high as 22 mph.

    Low: 70 °F

    Severe
    Thunderstorms

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 85. Northwest wind 3 to 6 mph.

    High: 85 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 68. Calm wind.

    Low: 68 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 89. Calm wind becoming south around 6 mph in the afternoon.

    High: 89 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 73. Light south wind.

    Low: 73 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 92. South southwest wind 5 to 9 mph.

    High: 92 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 75. South wind 3 to 6 mph.

    Low: 75 °F

    Mostly Clear

Detailed Forecast

Today
Showers and thunderstorms. Some of the storms could be severe. High near 88. Southwest wind 13 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
Tonight
A 50 percent chance of showers and thunderstorms before 4am. Some of the storms could be severe. Mostly cloudy, with a low around 70. West southwest wind 5 to 11 mph, with gusts as high as 22 mph.
Juneteenth
Mostly sunny, with a high near 85. Northwest wind 3 to 6 mph.
Thursday Night
Mostly clear, with a low around 68. Calm wind.
Friday
Sunny, with a high near 89. Calm wind becoming south around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 73. Light south wind.
Saturday
Sunny, with a high near 92. South southwest wind 5 to 9 mph.
Saturday Night
Mostly clear, with a low around 75. South wind 3 to 6 mph.
Sunday
Sunny, with a high near 93. South southwest wind 3 to 7 mph.
Sunday Night
Clear, with a low around 75. South wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 93. Calm wind becoming south around 6 mph in the afternoon.
Monday Night
Mostly clear, with a low around 75. Light south wind.
Tuesday
A slight chance of showers and thunderstorms. Sunny, with a high near 92. Calm wind becoming south around 5 mph in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Goreville IL
 37.51°N 89.02°W
Last Update:
10:46 am CDT Jun 18, 2025
Forecast Valid:
11am CDT Jun 18, 2025-6pm CDT Jun 24, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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