Hazardous Weather Conditions
Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.
Clear
52°F
11°C
| Humidity | 77% |
| Wind Speed | SW 6 mph |
| Barometer | 30.03 in |
| Dewpoint | 45°F (7°C) |
| Visibility | 10.00 mi |
| Wind Chill | 50°F (10°C) |
| Last update | 27 Feb 8:45 am CST |
Extended Forecast for
Marion IL
Today
High: 70 °F
Sunny
Tonight
Low: 42 °F
Mostly Clear
Saturday
High: 69 °F
Sunny
Saturday Night
Low: 35 °F
Partly Cloudy
Sunday
High: 51 °F
Mostly Cloudy
Sunday Night
Low: 36 °F
Showers
LikelyMonday
High: 46 °F
Chance
ShowersMonday Night
Low: 39 °F
Chance
ShowersTuesday
High: 59 °F
Showers
Likely
Detailed Forecast
Today
Sunny, with a high near 70. Southwest wind 5 to 11 mph.
Tonight
Mostly clear, with a low around 42. South wind 5 to 8 mph becoming light and variable after midnight.
Saturday
Sunny, with a high near 69. Light and variable wind becoming south 5 to 8 mph in the morning.
Saturday Night
Partly cloudy, with a low around 35. South wind 6 to 10 mph becoming north after midnight. Winds could gust as high as 18 mph.
Sunday
Mostly cloudy, with a high near 51. East northeast wind 9 to 11 mph, with gusts as high as 18 mph.
Sunday Night
Showers likely, mainly after midnight. Cloudy, with a low around 36. East northeast wind around 9 mph. Chance of precipitation is 70%.
Monday
A 40 percent chance of showers, mainly before noon. Cloudy, with a high near 46. East northeast wind 7 to 9 mph.
Monday Night
A chance of showers. Mostly cloudy, with a low around 39. East wind around 6 mph becoming south southeast after midnight.
Tuesday
Showers likely, with thunderstorms also possible after noon. Cloudy, with a high near 59. South southeast wind 6 to 10 mph becoming southwest in the afternoon.
Tuesday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 48. Southwest wind around 7 mph becoming east in the evening.
Wednesday
A chance of showers and thunderstorms. Cloudy, with a high near 67. South wind 7 to 10 mph.
Wednesday Night
A chance of showers and thunderstorms. Cloudy, with a low around 55. South wind 7 to 11 mph, with gusts as high as 21 mph.
Thursday
Showers likely. Cloudy, with a high near 70. South southwest wind 10 to 14 mph, with gusts as high as 23 mph.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Marion IL
37.73°N 88.92°W
37.73°N 88.92°W
8:41 am CST Feb 27, 2026
9am CST Feb 27, 2026-6pm CST Mar 5, 2026
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