Hazardous Weather Conditions
Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.
Fog/Mist
55°F
13°C
| Humidity | 94% |
| Wind Speed | S 12 mph |
| Barometer | 29.94 in |
| Dewpoint | 54°F (12°C) |
| Visibility | 5.00 mi |
| Wind Chill | 52°F (11°C) |
| Last update | 10 Feb 8:47 am CST |
Extended Forecast for
Marion IL
Today
High: 68 °F
Patchy Fog
then Slight
Chance
ShowersTonight
Low: 31 °F
Mostly Cloudy
Wednesday
High: 48 °F
Sunny
Wednesday Night
Low: 29 °F
Partly Cloudy
Thursday
High: 49 °F
Mostly Cloudy
Thursday Night
Low: 35 °F
Slight Chance
Rain then
Mostly CloudyFriday
High: 52 °F
Partly Sunny
Friday Night
Low: 37 °F
Mostly Cloudy
then Slight
Chance RainSaturday
High: 51 °F
Chance Rain
Detailed Forecast
Today
A slight chance of showers between 3pm and 5pm. Patchy fog before 10am. Otherwise, partly sunny, with a high near 68. South southwest wind 9 to 13 mph becoming north northwest in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 20%.
Tonight
Mostly cloudy, with a low around 31. North wind 6 to 9 mph, with gusts as high as 21 mph.
Wednesday
Sunny, with a high near 48. North wind 3 to 6 mph.
Wednesday Night
Partly cloudy, with a low around 29. Calm wind.
Thursday
Mostly cloudy, with a high near 49. Calm wind becoming east southeast around 6 mph in the afternoon.
Thursday Night
A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 35. Light east wind.
Friday
Partly sunny, with a high near 52. Calm wind becoming east around 6 mph in the morning.
Friday Night
A slight chance of rain after midnight. Mostly cloudy, with a low around 37. East wind 3 to 6 mph.
Saturday
A chance of rain. Cloudy, with a high near 51. East wind 6 to 10 mph, with gusts as high as 18 mph.
Saturday Night
Rain. Cloudy, with a low around 42. East wind around 10 mph, with gusts as high as 18 mph.
Sunday
A chance of rain. Partly sunny, with a high near 54. Northeast wind 7 to 11 mph becoming north northwest in the afternoon. Winds could gust as high as 18 mph.
Sunday Night
Mostly clear, with a low around 36. North northwest wind around 6 mph becoming calm in the evening.
Washington's Birthday
Sunny, with a high near 59. Calm wind becoming south around 6 mph in the morning.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Marion IL
37.73°N 88.92°W
37.73°N 88.92°W
8:22 am CST Feb 10, 2026
9am CST Feb 10, 2026-6pm CST Feb 16, 2026
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