Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Mostly Cloudy

86°F

30°C

Humidity 66%
Wind Speed SW 15 G 22 mph
Barometer 29.82 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 18 Jun 4:45 pm CDT
Extended Forecast for

Spillertown 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

  • This Afternoon

    High: 81 °F

    Severe
    Thunderstorms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 4am. Some of the storms could be severe.  Mostly cloudy, with a low around 70. Southwest wind 6 to 13 mph, with gusts as high as 22 mph.  Chance of precipitation is 40%.

    Low: 70 °F

    Severe
    Thunderstorms

  • Juneteenth

    Juneteenth: Mostly cloudy, then gradually becoming sunny, with a high near 85. West northwest wind 6 to 8 mph.

    High: 85 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Clear, with a low around 67. Calm wind.

    Low: 67 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 89. Calm wind becoming south 5 to 8 mph in the morning.

    High: 89 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 73. South wind around 6 mph.

    Low: 73 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 92. South southwest wind 6 to 11 mph, with gusts as high as 20 mph.

    High: 92 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 76. South wind 6 to 8 mph.

    Low: 76 °F

    Clear

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms. Some of the storms could be severe. Mostly cloudy, with a steady temperature around 81. Southwest wind around 16 mph, with gusts as high as 25 mph.
Tonight
A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 4am. Some of the storms could be severe. Mostly cloudy, with a low around 70. Southwest wind 6 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Juneteenth
Mostly cloudy, then gradually becoming sunny, with a high near 85. West northwest wind 6 to 8 mph.
Thursday Night
Clear, with a low around 67. Calm wind.
Friday
Sunny, with a high near 89. Calm wind becoming south 5 to 8 mph in the morning.
Friday Night
Mostly clear, with a low around 73. South wind around 6 mph.
Saturday
Sunny, with a high near 92. South southwest wind 6 to 11 mph, with gusts as high as 20 mph.
Saturday Night
Clear, with a low around 76. South wind 6 to 8 mph.
Sunday
Sunny, with a high near 93. South southwest wind 6 to 8 mph.
Sunday Night
Clear, with a low around 75. South wind around 6 mph becoming calm after midnight.
Monday
Sunny, with a high near 94. Calm wind becoming south southwest around 6 mph in the afternoon.
Monday Night
Clear, with a low around 75. Light south wind.
Tuesday
A slight chance of showers and thunderstorms. Sunny, with a high near 93. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 75. Light south wind.
Wednesday
A chance of showers and thunderstorms. Sunny, with a high near 92. Calm wind becoming south southwest around 5 mph in the afternoon.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Spillertown IL
 37.76°N 88.95°W
3:16 pm CDT Jun 18, 2025
5pm CDT Jun 18, 2025-6pm CDT Jun 25, 2025
 
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Additional Resources

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