Hazardous Weather Conditions
Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.
Fog/Mist
72°F
22°C
| Humidity | 100% |
| Wind Speed | N 1 mph |
| Barometer | 30.02 in |
| Dewpoint | 72°F (22°C) |
| Visibility | 4.00 mi |
| Last update | 14 Oct 7:55 pm CDT |
Extended Forecast for
Marion IL
Tonight
Low: 67 °F
Mostly Cloudy
then Chance
T-stormsThursday
High: 88 °F
Chance
ShowersThursday Night
Low: 52 °F
Slight Chance
T-storms then
Chance
ShowersFriday
High: 59 °F
Partly Sunny
and BreezyFriday Night
Low: 42 °F
Mostly Cloudy
Saturday
High: 62 °F
Sunny
Saturday Night
Low: 37 °F
Clear
Sunday
High: 68 °F
Sunny
Sunday Night
Low: 42 °F
Mostly Clear
Detailed Forecast
Tonight
A slight chance of showers between midnight and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 67. Calm wind. Chance of precipitation is 40%.
Thursday
A chance of showers and thunderstorms before noon, then a slight chance of showers between noon and 1pm. Cloudy through mid morning, then gradual clearing, with a high near 88. Light and variable wind becoming south southwest 8 to 13 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 40%.
Thursday Night
A slight chance of showers and thunderstorms before 3am, then a chance of showers between 3am and 4am. Increasing clouds, with a low around 52. South southwest wind 6 to 16 mph becoming west northwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 59. Breezy, with a northwest wind 17 to 20 mph, with gusts as high as 29 mph.
Friday Night
Mostly cloudy, with a low around 42. North northwest wind 10 to 17 mph, with gusts as high as 24 mph.
Saturday
Sunny, with a high near 62. North northeast wind 8 to 10 mph.
Saturday Night
Clear, with a low around 37. Calm wind.
Sunday
Sunny, with a high near 68. Calm wind becoming south southeast around 6 mph in the morning.
Sunday Night
Mostly clear, with a low around 42. Calm wind.
Monday
Mostly sunny, with a high near 72. Calm wind becoming south around 6 mph in the morning.
Monday Night
Partly cloudy, with a low around 47. Calm wind.
Tuesday
Mostly sunny, with a high near 75. Calm wind becoming south southeast around 6 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 49. Calm wind.
Wednesday
Sunny, with a high near 79. Calm wind becoming south around 6 mph 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
6:16 pm CDT Oct 14, 2026
8pm CDT Oct 14, 2026-6pm CDT Oct 21, 2026
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