Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.N/A
| Humidity | NA |
| Wind Speed | NA |
| Barometer | NA |
| Dewpoint | N/A |
| Visibility | NA |
| Last update | *** Not a current observation *** |
Extended Forecast for
Marion IL
Tonight
Low: 27 °F⇑
Increasing
CloudsTuesday
High: 48 °F
Decreasing
CloudsTuesday Night
Low: 42 °F
Increasing
CloudsWednesday
High: 51 °F
Decreasing
CloudsWednesday Night
Low: 27 °F
Mostly Cloudy
Thursday
High: 41 °F
Mostly Cloudy
Thursday Night
Low: 29 °F
Mostly Cloudy
Friday
High: 42 °F
Partly Sunny
Friday Night
Low: 18 °F
Mostly Cloudy
Detailed Forecast
Tonight
Increasing clouds, with a temperature rising to around 30 by 5am. Light south wind becoming south southwest 5 to 10 mph after midnight. Winds could gust as high as 20 mph.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 48. South southwest wind 10 to 15 mph, with gusts as high as 26 mph.
Tuesday Night
Increasing clouds, with a low around 42. Southwest wind 14 to 16 mph, with gusts as high as 26 mph.
Wednesday
Cloudy, then gradually becoming mostly sunny, with a high near 51. West southwest wind 11 to 18 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph.
Wednesday Night
Mostly cloudy, with a low around 27. Northwest wind 5 to 9 mph becoming calm after midnight.
Thursday
Mostly cloudy, with a high near 41. Calm wind becoming west 5 to 7 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 29. South southeast wind 5 to 7 mph becoming northeast after midnight.
Friday
Partly sunny, with a high near 42. East northeast wind 7 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 18 mph.
Friday Night
Mostly cloudy, with a low around 18. North northwest wind 7 to 9 mph.
Saturday
Partly sunny, with a high near 30. North wind 5 to 8 mph.
Saturday Night
Mostly cloudy, with a low around 17. Calm wind becoming north northeast around 5 mph after midnight.
Sunday
Mostly sunny, with a high near 32. North northeast wind 5 to 7 mph.
Sunday Night
Mostly cloudy, with a low around 21. Light and variable wind becoming southeast around 6 mph after midnight.
Monday
A chance of showers. Mostly cloudy, with a high near 41. Southeast wind 6 to 9 mph becoming southwest in the afternoon.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Marion IL
37.73°N 88.92°W
37.73°N 88.92°W
10:21 pm CST Dec 8, 2025
11pm CST Dec 8, 2025-6pm CST Dec 15, 2025
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