Hazardous Weather Conditions
Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.
Mostly Cloudy
41°F
5°C
| Humidity | 57% |
| Wind Speed | W 18 G 28 mph |
| Barometer | 30.22 in |
| Dewpoint | 27°F (-3°C) |
| Visibility | 10.00 mi |
| Wind Chill | 32°F (0°C) |
| Last update | 26 Nov 9:45 am CST |
Extended Forecast for
Marion IL
Today
High: 46 °F
Mostly Sunny
Tonight
Low: 32 °F
Increasing
CloudsThanksgiving Day
High: 44 °F
Becoming
SunnyThursday Night
Low: 23 °F
Clear
Friday
High: 41 °F
Sunny
Friday Night
Low: 28 °F
Mostly Cloudy
then Slight
Chance Snow
ShowersSaturday
High: 42 °F
Rain/Snow
LikelySaturday Night
Low: 33 °F
Showers
Sunday
High: 42 °F
Chance
Showers
Detailed Forecast
Today
Mostly sunny, with a high near 46. West wind 11 to 18 mph, with gusts as high as 30 mph.
Tonight
Increasing clouds, with a low around 32. West northwest wind 6 to 10 mph, with gusts as high as 20 mph.
Thanksgiving Day
Partly sunny, then gradually becoming sunny, with a high near 44. West northwest wind 6 to 11 mph.
Thursday Night
Clear, with a low around 23. Light northwest wind.
Friday
Sunny, with a high near 41. Light and variable wind.
Friday Night
A 20 percent chance of snow showers after midnight. Mostly cloudy, with a low around 28. Calm wind becoming southeast around 5 mph after midnight.
Saturday
Rain likely, possibly mixed with snow showers, mainly after noon. Cloudy, with a high near 42. Southeast wind 6 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.
Saturday Night
Showers. Cloudy, with a low around 33. South wind 7 to 11 mph becoming west after midnight. Winds could gust as high as 18 mph.
Sunday
A chance of showers. Mostly cloudy, with a high near 42. Northwest wind 8 to 10 mph.
Sunday Night
A chance of rain showers before midnight, then a slight chance of snow showers. Mostly cloudy, with a low around 22. North wind 5 to 7 mph.
Monday
A chance of rain and snow showers. Mostly cloudy, with a high near 34. North wind around 7 mph.
Monday Night
A chance of snow showers. Mostly cloudy, with a low around 21. North wind 3 to 6 mph.
Tuesday
A chance of showers. Partly sunny, with a high near 36. Northwest wind around 7 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Marion IL
37.73°N 88.95°W
37.73°N 88.95°W
7:41 am CST Nov 26, 2025
10am CST Nov 26, 2025-6pm CST Dec 2, 2025
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
