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

64°F

18°C

Humidity 32%
Wind Speed NW 16 G 22 mph
Barometer 30.23 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 19 Apr 2:45 pm CDT
Extended Forecast for

2 Miles SW Marion IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 67. West northwest wind around 8 mph, with gusts as high as 18 mph.

    High: 67 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 42. Light and variable wind.

    Low: 42 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 69. Calm wind becoming east around 5 mph.

    High: 69 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 50. Calm wind becoming south around 6 mph after midnight.

    Low: 50 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 77. Southwest wind 6 to 14 mph, with gusts as high as 24 mph.

    High: 77 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 55. Southwest wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 55 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 79. Southwest wind 5 to 9 mph.

    High: 79 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57. South wind around 6 mph.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 82. South wind 7 to 17 mph, with gusts as high as 26 mph.

    High: 82 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 67. West northwest wind around 8 mph, with gusts as high as 18 mph.
Tonight
Mostly clear, with a low around 42. Light and variable wind.
Monday
Sunny, with a high near 69. Calm wind becoming east around 5 mph.
Monday Night
Mostly clear, with a low around 50. Calm wind becoming south around 6 mph after midnight.
Tuesday
Mostly sunny, with a high near 77. Southwest wind 6 to 14 mph, with gusts as high as 24 mph.
Tuesday Night
Clear, with a low around 55. Southwest wind 6 to 10 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 79. Southwest wind 5 to 9 mph.
Wednesday Night
Mostly clear, with a low around 57. South wind around 6 mph.
Thursday
Sunny, with a high near 82. South wind 7 to 17 mph, with gusts as high as 26 mph.
Thursday Night
A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 64. South wind 11 to 13 mph, with gusts as high as 23 mph.
Friday
Showers and possibly a thunderstorm. Mostly cloudy, with a high near 78. South southwest wind 13 to 15 mph, with gusts as high as 24 mph.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Southwest wind 6 to 8 mph becoming northwest after midnight.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 74. Northwest wind 6 to 9 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Marion IL
 37.71°N 88.98°W
Last Update:
2:06 pm CDT Apr 19, 2026
Forecast Valid:
3pm CDT Apr 19, 2026-6pm CDT Apr 25, 2026
 
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Additional Resources

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