Hazardous Weather Conditions
Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.
Fair
41°F
5°C
| Humidity | 87% |
| Wind Speed | S 6 mph |
| Barometer | 30.10 in |
| Dewpoint | 37°F (3°C) |
| Visibility | 10.00 mi |
| Wind Chill | 37°F (3°C) |
| Last update | 21 Jan 5:47 pm CST |
Extended Forecast for
Marion IL
Winter Storm Watch January 24, 12:00am until January 25, 12:00pm
Tonight
Low: 24 °F
Mostly Clear
Thursday
High: 41 °F
Mostly Sunny
Thursday Night
Low: 18 °F
Mostly Cloudy
Friday
High: 23 °F
Mostly Cloudy
Friday Night
Low: 7 °F
Cloudy then
Chance Snow
ShowersSaturday
High: 16 °F
Snow Showers
Saturday Night
Low: 10 °F
Snow Showers
Sunday
High: 19 °F
Chance Snow
ShowersSunday Night
Low: 3 °F
Mostly Cloudy
Detailed Forecast
Tonight
Mostly clear, with a low around 24. Southwest wind around 6 mph becoming light and variable after midnight.
Thursday
Mostly sunny, with a high near 41. Light north northwest wind.
Thursday Night
Mostly cloudy, with a low around 18. Light north wind increasing to 5 to 10 mph after midnight. Winds could gust as high as 20 mph.
Friday
Mostly cloudy, with a high near 23. North wind around 14 mph, with gusts as high as 23 mph.
Friday Night
A 40 percent chance of snow showers after midnight. Cloudy, with a low around 7. North northeast wind 11 to 14 mph, with gusts as high as 23 mph.
Saturday
Snow showers. High near 16. Northeast wind 11 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.
Saturday Night
Snow showers. Low around 10. North northeast wind 8 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 80%.
Sunday
A chance of snow showers, mainly before noon. Mostly cloudy, with a high near 19. North northwest wind 7 to 10 mph.
Sunday Night
Mostly cloudy, with a low around 3. West northwest wind around 6 mph.
Monday
Mostly sunny, with a high near 18. West northwest wind 5 to 8 mph.
Monday Night
Mostly clear, with a low around 2. West southwest wind 3 to 5 mph.
Tuesday
Mostly sunny, with a high near 27. South southwest wind 3 to 8 mph.
Tuesday Night
Mostly cloudy, with a low around 14. South southwest wind around 6 mph.
Wednesday
Partly sunny, with a high near 31. West wind 6 to 9 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
3:41 pm CST Jan 21, 2026
6pm CST Jan 21, 2026-6pm CST Jan 28, 2026
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