Hazardous Weather Conditions
Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.
Rain
37°F
3°C
| Humidity | 80% |
| Wind Speed | W 6 G 24 mph |
| Barometer | 29.61 in |
| Dewpoint | 32°F (0°C) |
| Visibility | 10.00 mi |
| Wind Chill | 32°F (0°C) |
| Last update | 15 Mar 11:15 pm CDT |
Extended Forecast for
Marion IL
Wind Advisory March 15, 11:25pm until March 16, 07:00am
NOW until 7:00am Mon

Wind Advisory
Tonight

Low: 26 °F
Mostly Cloudy
and BreezyMonday

High: 35 °F
Mostly Cloudy
and BreezyMonday Night

Low: 18 °F
Mostly Cloudy
Tuesday

High: 39 °F
Sunny
Tuesday Night
Low: 29 °F
Mostly Cloudy
then Slight
Chance Snow
ShowersWednesday

High: 59 °F
Partly Sunny
Wednesday Night

Low: 42 °F
Partly Cloudy
Thursday

High: 70 °F
Sunny
Detailed Forecast
Tonight
Mostly cloudy, with a low around 26. Breezy, with a west northwest wind 18 to 22 mph, with gusts as high as 33 mph.
Monday
Mostly cloudy, with a high near 35. Breezy, with a west northwest wind 20 to 22 mph, with gusts as high as 32 mph.
Monday Night
Mostly cloudy, with a low around 18. West northwest wind 10 to 16 mph, with gusts as high as 24 mph.
Tuesday
Sunny, with a high near 39. Northwest wind 6 to 8 mph.
Tuesday Night
A 20 percent chance of snow showers after 1am. Mostly cloudy, with a low around 29. Light south southeast wind becoming south 5 to 10 mph in the evening. Winds could gust as high as 20 mph.
Wednesday
Partly sunny, with a high near 59. Southwest wind 11 to 14 mph, with gusts as high as 23 mph.
Wednesday Night
Partly cloudy, with a low around 42. South wind 5 to 7 mph.
Thursday
Sunny, with a high near 70. South southwest wind 5 to 8 mph becoming west northwest in the afternoon.
Thursday Night
Mostly clear, with a low around 45. North northwest wind around 5 mph becoming light and variable in the evening.
Friday
Mostly sunny, with a high near 74. Light and variable wind becoming southwest 5 to 8 mph in the morning.
Friday Night
Partly cloudy, with a low around 52. South southwest wind around 7 mph.
Saturday
Sunny, with a high near 77. West northwest wind 7 to 10 mph, with gusts as high as 18 mph.
Saturday Night
Mostly clear, with a low around 49. Northwest wind around 8 mph becoming northeast after midnight.
Sunday
Mostly sunny, with a high near 75. East southeast wind 7 to 10 mph becoming south in the afternoon. Winds could gust as high as 18 mph.
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ABOUT THIS FORECAST
Point Forecast:
Marion IL
37.73°N 88.92°W
37.73°N 88.92°W
11:16 pm CDT Mar 15, 2026
11pm CDT Mar 15, 2026-6pm CDT Mar 22, 2026



