Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.
Fair
11°F
-12°C
| Humidity | 89% |
| Wind Speed | Calm |
| Barometer | 30.30 in |
| Dewpoint | 9°F (-13°C) |
| Visibility | 7.00 mi |
| Last update | 5 Feb 5:55 am CST |
Extended Forecast for
Marion IL
Today

High: 35 °F
Mostly Cloudy
Tonight

Low: 29 °F
Mostly Cloudy
Friday

High: 49 °F
Mostly Sunny
Friday Night

Low: 25 °F
Partly Cloudy
Saturday

High: 36 °F
Sunny
Saturday Night

Low: 25 °F
Partly Cloudy
Sunday

High: 53 °F
Mostly Sunny
Sunday Night

Low: 33 °F
Mostly Clear
Monday

High: 59 °F
Sunny
Detailed Forecast
Today
Mostly cloudy, with a high near 35. Calm wind becoming south southwest 5 to 8 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 29. South wind around 6 mph becoming light and variable.
Friday
Mostly sunny, with a high near 49. West southwest wind 5 to 13 mph becoming north northwest in the afternoon. Winds could gust as high as 21 mph.
Friday Night
Partly cloudy, with a low around 25. North northwest wind 6 to 9 mph.
Saturday
Sunny, with a high near 36. North northeast wind around 6 mph becoming calm in the afternoon.
Saturday Night
Partly cloudy, with a low around 25. Calm wind becoming south southeast around 5 mph after midnight.
Sunday
Mostly sunny, with a high near 53. South southwest wind 3 to 8 mph.
Sunday Night
Mostly clear, with a low around 33. Calm wind.
Monday
Sunny, with a high near 59. Calm wind becoming south southwest around 5 mph.
Monday Night
Partly cloudy, with a low around 43. South southwest wind 3 to 5 mph.
Tuesday
A slight chance of showers. Mostly cloudy, with a high near 63. South southwest wind 5 to 9 mph.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 44. South southwest wind around 6 mph.
Wednesday
A chance of showers. Mostly cloudy, with a high near 58. West southwest wind 6 to 9 mph.
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ABOUT THIS FORECAST
Point Forecast:
Marion IL
37.73°N 88.92°W
37.73°N 88.92°W
5:12 am CST Feb 5, 2026
6am CST Feb 5, 2026-6pm CST Feb 11, 2026


