National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Partly Cloudy

44°F

7°C

Humidity 89%
Wind Speed Calm
Barometer 30.18 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 18 Apr 9:15 pm CDT
Extended Forecast for

6 Miles WNW Goreville IL

  • Tonight

    Tonight: Mostly clear, with a low around 39. Northwest wind around 6 mph becoming calm after midnight.

    Low: 39 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 67. Light southwest wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 67 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 42. West wind around 6 mph becoming northeast after midnight.

    Low: 42 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 67. Northeast wind around 5 mph becoming light and variable in the afternoon.

    High: 67 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 49. South southeast wind 3 to 7 mph.

    Low: 49 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 75. Southwest wind 7 to 13 mph, with gusts as high as 23 mph.

    High: 75 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 54. Southwest wind 7 to 10 mph, with gusts as high as 20 mph.

    Low: 54 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 78. Southwest wind 6 to 9 mph, with gusts as high as 18 mph.

    High: 78 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 59. South wind around 6 mph.

    Low: 59 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 39. Northwest wind around 6 mph becoming calm after midnight.
Sunday
Sunny, with a high near 67. Light southwest wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 42. West wind around 6 mph becoming northeast after midnight.
Monday
Sunny, with a high near 67. Northeast wind around 5 mph becoming light and variable in the afternoon.
Monday Night
Clear, with a low around 49. South southeast wind 3 to 7 mph.
Tuesday
Sunny, with a high near 75. Southwest wind 7 to 13 mph, with gusts as high as 23 mph.
Tuesday Night
Mostly clear, with a low around 54. Southwest wind 7 to 10 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 78. Southwest wind 6 to 9 mph, with gusts as high as 18 mph.
Wednesday Night
Mostly clear, with a low around 59. South wind around 6 mph.
Thursday
Sunny, with a high near 81. South wind 7 to 14 mph, with gusts as high as 25 mph.
Thursday Night
A chance of showers. Partly cloudy, with a low around 62. South wind around 11 mph, with gusts as high as 22 mph.
Friday
Showers and thunderstorms likely. Partly sunny, with a high near 76. South southwest wind around 14 mph, with gusts as high as 25 mph.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 53. Southwest wind around 11 mph becoming west northwest after midnight. Winds could gust as high as 21 mph.
Saturday
A chance of showers. Mostly sunny, with a high near 70. North wind around 10 mph, with gusts as high as 20 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WNW Goreville IL
 37.58°N 89.07°W
Last Update:
8:51 pm CDT Apr 18, 2026
Forecast Valid:
9pm CDT Apr 18, 2026-6pm CDT Apr 25, 2026
 
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