Hazardous Weather Conditions
Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.N/A
| Humidity | NA |
| Wind Speed | NA |
| Barometer | NA |
| Dewpoint | N/A |
| Visibility | NA |
| Last update | *** Not a current observation *** |
Extended Forecast for
Marion IL
Overnight
Low: 24 °F
Mostly Cloudy
Wednesday
High: 41 °F
Gradual
ClearingWednesday Night
Low: 22 °F
Increasing
CloudsThursday
High: 31 °F
Mostly Sunny
Thursday Night
Low: 19 °F
Mostly Cloudy
then Slight
Chance Wintry
MixFriday
High: 41 °F
Slight Chance
Rain/Freezing
Rain then
Mostly SunnyFriday Night
Low: 26 °F
Partly Cloudy
Saturday
High: 43 °F
Partly Sunny
Saturday Night
Low: 28 °F
Mostly Cloudy
Detailed Forecast
Overnight
Mostly cloudy, with a low around 24. Light south wind.
Wednesday
Cloudy through mid morning, then gradual clearing, with a high near 41. Light south wind becoming south southwest 5 to 9 mph.
Wednesday Night
Increasing clouds, with a low around 22. Light and variable wind becoming north 5 to 10 mph after midnight.
Thursday
Mostly sunny, with a high near 31. North wind 5 to 10 mph becoming light north northeast in the afternoon.
Thursday Night
A slight chance of snow showers after midnight, mixing with freezing rain after 3am. Mostly cloudy, with a low around 19. Calm wind. Chance of precipitation is 20%.
Friday
A slight chance of freezing rain before 9am, then a slight chance of rain showers between 9am and noon. Mostly sunny, with a high near 41. Calm wind becoming south southwest around 6 mph. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 26. Calm wind.
Saturday
Partly sunny, with a high near 43. Calm wind becoming west southwest around 5 mph.
Saturday Night
Mostly cloudy, with a low around 28. Light northeast wind.
Sunday
A slight chance of showers after noon. Partly sunny, with a high near 42. North wind 3 to 7 mph.
Sunday Night
A slight chance of showers. Mostly cloudy, with a low around 26. North wind 3 to 5 mph.
Monday
Partly sunny, with a high near 39. North northwest wind around 6 mph becoming light and variable in the afternoon.
Monday Night
Partly cloudy, with a low around 27. Calm wind becoming south southwest around 6 mph after midnight.
Tuesday
Mostly sunny, with a high near 47. Southwest wind 6 to 10 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
3:11 am CST Dec 3, 2025
3am CST Dec 3, 2025-6pm CST Dec 9, 2025
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