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: 31 °F
Mostly Cloudy
Thursday
High: 42 °F
Mostly Cloudy
then Slight
Chance
Rain/SnowThursday Night
Low: 39 °F
Slight Chance
Snow then
Mostly CloudyFriday
High: 45 °F
Partly Sunny
Friday Night
Low: 26 °F
Mostly Cloudy
Saturday
High: 34 °F
Mostly Cloudy
then Slight
Chance SnowSaturday Night
Low: 6 °F
Mostly Cloudy
Sunday
High: 18 °F
Sunny
Sunday Night
Low: 8 °F
Mostly Clear
Detailed Forecast
Overnight
Mostly cloudy, with a steady temperature around 31. Light northwest wind.
Thursday
A slight chance of rain and snow, mainly between 4pm and 5pm. Mostly cloudy, with a high near 42. Light and variable wind becoming south southwest 5 to 8 mph in the morning. Chance of precipitation is 20%.
Thursday Night
A 20 percent chance of snow before 9pm. Cloudy, then gradually becoming partly cloudy, with a steady temperature around 39. South southeast wind 7 to 9 mph becoming west after midnight.
Friday
Partly sunny, with a high near 45. North northwest wind 6 to 11 mph, with gusts as high as 18 mph.
Friday Night
Mostly cloudy, with a low around 26. North northwest wind 5 to 7 mph becoming calm in the evening.
Saturday
A 20 percent chance of snow after noon. Mostly cloudy, with a high near 34. Calm wind becoming north 5 to 9 mph in the morning.
Saturday Night
Mostly cloudy, with a low around 6. North northwest wind 9 to 11 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 18. North northwest wind 5 to 11 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 8. Light and variable wind.
Monday
Sunny, with a high near 36. Light south wind becoming south southwest 5 to 10 mph in the morning.
Monday Night
Partly cloudy, with a low around 25. South southwest wind 3 to 6 mph.
Tuesday
Mostly sunny, with a high near 43. Light south southwest wind becoming south 5 to 9 mph in the morning.
Tuesday Night
A slight chance of rain. Mostly cloudy, with a low around 35. South southwest wind around 8 mph.
Wednesday
A slight chance of rain. Mostly cloudy, with a high near 50. South southwest wind 8 to 10 mph, with gusts as high as 18 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
1:56 am CST Dec 11, 2025
2am CST Dec 11, 2025-6pm CST Dec 17, 2025
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