Hazardous Weather Conditions
Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.
Fog
43°F
6°C
| Humidity | 100% |
| Wind Speed | Calm |
| Barometer | 30.21 in |
| Dewpoint | 43°F (6°C) |
| Visibility | 0.25 mi |
| Last update | 23 Nov 6:45 am CST |
Extended Forecast for
Marion IL
Dense Fog Advisory November 23, 07:40am until November 23, 09:00am
NOW until 9:00am Sun
Dense Fog Advisory
Today
High: 52 °F
Areas Dense
Fog then
Partly SunnyTonight
Low: 43 °F
Areas Fog
Monday
High: 60 °F
Mostly Cloudy
then Showers
LikelyMonday Night
Low: 51 °F
Showers
Tuesday
High: 64 °F
Chance
Showers then
Partly SunnyTuesday Night
Low: 39 °F
Mostly Cloudy
Wednesday
High: 49 °F
Sunny
Wednesday Night
Low: 29 °F
Partly Cloudy
Detailed Forecast
Today
Areas of dense fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 52. Calm wind.
Tonight
Areas of fog between 9pm and 4am. Otherwise, increasing clouds, with a low around 43. Calm wind.
Monday
Showers likely after noon. Mostly cloudy, with a high near 60. Calm wind becoming south southeast 5 to 7 mph in the morning. Chance of precipitation is 60%.
Monday Night
Showers. Low around 51. South southeast wind around 6 mph. Chance of precipitation is 100%.
Tuesday
A 30 percent chance of showers before noon. Mostly cloudy, with a high near 64. West southwest wind 3 to 8 mph.
Tuesday Night
Mostly cloudy, with a low around 39. Light west southwest wind becoming west northwest 5 to 10 mph after midnight.
Wednesday
Sunny, with a high near 49. West northwest wind 7 to 14 mph, with gusts as high as 21 mph.
Wednesday Night
Partly cloudy, with a low around 29. West northwest wind around 5 mph becoming calm in the evening.
Thanksgiving Day
Sunny, with a high near 46. Calm wind becoming west northwest 5 to 7 mph.
Thursday Night
Partly cloudy, with a low around 27. Calm wind.
Friday
Mostly sunny, with a high near 47. Calm wind becoming south 5 to 7 mph.
Friday Night
A slight chance of showers. Mostly cloudy, with a low around 33. Calm wind becoming south southeast around 5 mph after midnight.
Saturday
A chance of showers. Mostly cloudy, with a high near 50. South southeast wind 6 to 9 mph.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Marion IL
37.73°N 88.92°W
37.73°N 88.92°W
7:26 am CST Nov 23, 2025
7am CST Nov 23, 2025-6pm CST Nov 29, 2025
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