Hazardous Weather Conditions
Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.
Fair
37°F
3°C
| Humidity | 65% |
| Wind Speed | N 12 mph |
| Barometer | 30.15 in |
| Dewpoint | 27°F (-3°C) |
| Visibility | 10.00 mi |
| Wind Chill | 29°F (-2°C) |
| Last update | 3 Feb 4:47 pm CST |
Extended Forecast for
Marion IL
Tonight

Low: 23 °F
Mostly Cloudy
Wednesday

High: 31 °F
Decreasing
CloudsWednesday Night

Low: 14 °F
Partly Cloudy
Thursday

High: 36 °F
Partly Sunny
Thursday Night

Low: 30 °F
Mostly Clear
Friday

High: 52 °F
Sunny
Friday Night

Low: 26 °F
Mostly Clear
Saturday

High: 42 °F
Sunny
Saturday Night

Low: 28 °F
Partly Cloudy
Detailed Forecast
Tonight
Mostly cloudy, with a low around 23. North wind 6 to 8 mph.
Wednesday
Cloudy, then gradually becoming mostly sunny, with a high near 31. North wind 6 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 14. North wind around 6 mph becoming calm in the evening.
Thursday
Partly sunny, with a high near 36. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 30. West southwest wind 6 to 8 mph.
Friday
Sunny, with a high near 52. West southwest wind 6 to 11 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Mostly clear, with a low around 26. North northwest wind 3 to 6 mph.
Saturday
Sunny, with a high near 42. Light and variable wind becoming northeast around 5 mph.
Saturday Night
Partly cloudy, with a low around 28. Calm wind becoming south southeast around 5 mph after midnight.
Sunday
Mostly sunny, with a high near 49. South southeast wind around 6 mph becoming northeast in the afternoon.
Sunday Night
Partly cloudy, with a low around 26. Light northeast wind.
Monday
Mostly sunny, with a high near 48. Calm wind becoming east around 5 mph.
Monday Night
Mostly cloudy, with a low around 34. Light and variable wind becoming south around 5 mph after midnight.
Tuesday
Partly sunny, with a high near 55. South wind 5 to 8 mph.
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ABOUT THIS FORECAST
Point Forecast:
Marion IL
37.73°N 88.92°W
37.73°N 88.92°W
4:36 pm CST Feb 3, 2026
5pm CST Feb 3, 2026-6pm CST Feb 10, 2026



