Hazardous Weather Conditions
Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.
Fair
70°F
21°C
| Humidity | 64% |
| Wind Speed | S 18 G 28 mph |
| Barometer | 29.47 in |
| Dewpoint | 57°F (14°C) |
| Visibility | 10.00 mi |
| Last update | 19 Feb 5:45 pm CST |
Extended Forecast for
Marion IL
Tonight

Low: 38 °F
Partly Cloudy
Friday

High: 53 °F
Sunny
Friday Night

Low: 34 °F
Increasing
CloudsSaturday
High: 47 °F
Partly Sunny
then Slight
Chance
ShowersSaturday Night

Low: 25 °F
Mostly Clear
Sunday

High: 40 °F
Sunny
Sunday Night

Low: 19 °F
Mostly Clear
Monday

High: 37 °F
Sunny
Monday Night

Low: 19 °F
Mostly Clear
Detailed Forecast
Tonight
Partly cloudy, with a low around 38. South wind 13 to 15 mph becoming west after midnight. Winds could gust as high as 28 mph.
Friday
Sunny, with a high near 53. West wind 7 to 15 mph, with gusts as high as 25 mph.
Friday Night
Increasing clouds, with a low around 34. Calm wind becoming north around 5 mph after midnight.
Saturday
A 20 percent chance of showers after noon. Partly sunny, with a high near 47. North wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 25. Northwest wind 7 to 9 mph, with gusts as high as 18 mph.
Sunday
Sunny, with a high near 40. Northwest wind 10 to 17 mph, with gusts as high as 28 mph.
Sunday Night
Mostly clear, with a low around 19. North northwest wind around 11 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 37. North northwest wind 6 to 13 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 19. Light and variable wind.
Tuesday
Partly sunny, with a high near 48. Light south wind becoming south southwest 8 to 13 mph in the morning. Winds could gust as high as 22 mph.
Tuesday Night
Mostly cloudy, with a low around 40. South southwest wind 11 to 13 mph, with gusts as high as 24 mph.
Wednesday
A slight chance of showers. Mostly cloudy, with a high near 58. South southwest wind 10 to 14 mph, with gusts as high as 24 mph.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 35. Southwest wind 7 to 9 mph becoming north northwest after midnight.
Thursday
A chance of showers. Mostly sunny, with a high near 56. North northwest wind 7 to 10 mph becoming southeast in the morning.
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ABOUT THIS FORECAST
Point Forecast:
Marion IL
37.73°N 88.92°W
37.73°N 88.92°W
5:42 pm CST Feb 19, 2026
6pm CST Feb 19, 2026-6pm CST Feb 26, 2026



