Hazardous Weather Conditions
Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.
Overcast
27°F
-3°C
| Humidity | 80% |
| Wind Speed | NW 12 mph |
| Barometer | 30.13 in |
| Dewpoint | 21°F (-6°C) |
| Visibility | 10.00 mi |
| Wind Chill | 16°F (-9°C) |
| Last update | 2 Dec 11:45 am CST |
Extended Forecast for
Marion IL
This Afternoon

High: 34 °F
Partly Sunny
Tonight

Low: 22 °F
Partly Cloudy
Wednesday

High: 43 °F
Mostly Sunny
Wednesday Night

Low: 21 °F
Mostly Cloudy
Thursday

High: 30 °F
Mostly Sunny
Thursday Night

Low: 17 °F
Partly Cloudy
Friday

High: 39 °F
Mostly Sunny
Friday Night

Low: 26 °F
Partly Cloudy
Saturday

High: 43 °F
Mostly Sunny
Detailed Forecast
This Afternoon
Partly sunny, with a high near 34. Northwest wind around 6 mph becoming calm.
Tonight
Partly cloudy, with a low around 22. Calm wind.
Wednesday
Mostly sunny, with a high near 43. Light south wind becoming south southwest 5 to 9 mph.
Wednesday Night
Mostly cloudy, with a low around 21. Light and variable wind becoming north northwest 5 to 10 mph after midnight. Winds could gust as high as 18 mph.
Thursday
Mostly sunny, with a high near 30. North wind 5 to 10 mph becoming light north northeast in the afternoon. Winds could gust as high as 18 mph.
Thursday Night
Partly cloudy, with a low around 17. Calm wind.
Friday
Mostly sunny, with a high near 39. Calm wind becoming south southwest around 6 mph.
Friday Night
Partly cloudy, with a low around 26. Calm wind.
Saturday
Mostly sunny, with a high near 43. Calm wind becoming west around 6 mph.
Saturday Night
Mostly cloudy, with a low around 27. Calm wind becoming east northeast around 5 mph after midnight.
Sunday
Partly sunny, with a high near 39. North wind 5 to 8 mph.
Sunday Night
Mostly cloudy, with a low around 22. North wind 3 to 6 mph.
Monday
Mostly sunny, with a high near 39. Light and variable wind becoming west southwest 5 to 7 mph in the morning.
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ABOUT THIS FORECAST
Point Forecast:
Marion IL
37.73°N 88.92°W
37.73°N 88.92°W
10:47 am CST Dec 2, 2025
12pm CST Dec 2, 2025-6pm CST Dec 8, 2025



