Hazardous Weather Conditions
Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.
Mostly Cloudy
12°F
-11°C
| Humidity | 73% |
| Wind Speed | N 12 mph |
| Barometer | 30.33 in |
| Dewpoint | 5°F (-15°C) |
| Visibility | 10.00 mi |
| Wind Chill | -2°F (-19°C) |
| Last update | 30 Jan 6:47 am CST |
Extended Forecast for
Marion IL
Cold Weather Advisory January 31, 12:00am until January 31, 12:00pm
Today
High: 20 °F
Chance
FlurriesTonight
Low: 7 °F
Chance
FlurriesSaturday
High: 19 °F
Partly Sunny
Saturday Night
Low: 2 °F
Mostly Clear
Sunday
High: 28 °F
Mostly Sunny
Sunday Night
Low: 18 °F
Mostly Cloudy
Monday
High: 37 °F
Partly Sunny
Monday Night
Low: 23 °F
Mostly Cloudy
Tuesday
High: 41 °F
Mostly Cloudy
then Chance
Rain
Detailed Forecast
Today
A chance of flurries after 3pm. Partly sunny, with a high near 20. Wind chill values as low as zero. North wind 7 to 11 mph, with gusts as high as 20 mph.
Tonight
A chance of flurries before midnight. Mostly cloudy, with a low around 7. Wind chill values as low as -4. North northwest wind 8 to 10 mph, with gusts as high as 20 mph.
Saturday
Partly sunny, with a high near 19. Wind chill values as low as -7. Northwest wind 9 to 14 mph, with gusts as high as 22 mph.
Saturday Night
Mostly clear, with a low around 2. Northwest wind 5 to 8 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 28. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 18. South southwest wind 3 to 6 mph.
Monday
Partly sunny, with a high near 37. West wind 3 to 6 mph.
Monday Night
Mostly cloudy, with a low around 23. Light and variable wind.
Tuesday
A chance of rain after noon. Mostly cloudy, with a high near 41. South southwest wind 3 to 7 mph.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 29. Light and variable wind becoming north northwest around 6 mph after midnight.
Wednesday
A slight chance of rain. Mostly cloudy, with a high near 38. Northwest wind 6 to 9 mph.
Wednesday Night
Mostly cloudy, with a low around 22. North northwest wind around 6 mph.
Thursday
Partly sunny, with a high near 35. Northwest wind around 6 mph becoming west southwest in the afternoon.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Marion IL
37.73°N 88.92°W
37.73°N 88.92°W
6:36 am CST Jan 30, 2026
7am CST Jan 30, 2026-6pm CST Feb 5, 2026
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