Hazardous Weather Conditions
Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.
Fair
38°F
3°C
| Humidity | 51% |
| Wind Speed | N 6 mph |
| Barometer | 30.61 in |
| Dewpoint | 21°F (-6°C) |
| Visibility | 10.00 mi |
| Wind Chill | 33°F (1°C) |
| Last update | 28 Mar 3:55 am CDT |
Extended Forecast for
Marion IL
Freeze Warning until March 28, 09:00am
NOW until 9:00am Sat
Freeze Warning
Overnight
Low: 36 °F
Clear
Saturday
High: 57 °F
Sunny
Saturday Night
Low: 39 °F
Mostly Clear
Sunday
High: 70 °F
Mostly Sunny
Sunday Night
Low: 56 °F
Partly Cloudy
Monday
High: 79 °F
Mostly Sunny
Monday Night
Low: 65 °F
Mostly Clear
Tuesday
High: 83 °F
Mostly Sunny
then Mostly
Sunny and
Breezy
Detailed Forecast
Overnight
Clear, with a steady temperature around 36. North wind around 7 mph.
Saturday
Sunny, with a high near 57. North northeast wind around 6 mph becoming east southeast in the afternoon.
Saturday Night
Mostly clear, with a low around 39. Calm wind becoming south southeast around 5 mph after midnight.
Sunday
Mostly sunny, with a high near 70. South wind 6 to 14 mph, with gusts as high as 24 mph.
Sunday Night
Partly cloudy, with a low around 56. South wind around 10 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 79. South southwest wind 10 to 17 mph, with gusts as high as 28 mph.
Monday Night
Mostly clear, with a low around 65. South wind around 15 mph, with gusts as high as 25 mph.
Tuesday
Mostly sunny, with a high near 83. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 31 mph.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 53. South southwest wind 14 to 16 mph becoming west northwest after midnight. Winds could gust as high as 25 mph.
Wednesday
Showers and possibly a thunderstorm before 1pm, then a chance of showers. Cloudy, with a high near 63. North northeast wind around 13 mph, with gusts as high as 21 mph.
Wednesday Night
A chance of showers. Cloudy, with a low around 45. Northeast wind around 10 mph, with gusts as high as 18 mph.
Thursday
Showers likely. Mostly cloudy, with a high near 59. East northeast wind around 11 mph, with gusts as high as 20 mph.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 47. East wind 6 to 8 mph.
Friday
A chance of showers. Mostly cloudy, with a high near 72. East wind 7 to 10 mph becoming south in the afternoon.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Marion IL
37.73°N 88.95°W
37.73°N 88.95°W
1:26 am CDT Mar 28, 2026
4am CDT Mar 28, 2026-6pm CDT Apr 3, 2026
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