Hazardous Weather Conditions
Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.
Light Rain Fog/Mist
72°F
22°C
| Humidity | 100% |
| Wind Speed | S 6 mph |
| Barometer | 30.04 in |
| Dewpoint | 72°F (22°C) |
| Visibility | 3.00 mi |
| Last update | 15 Oct 6:15 am CDT |
Extended Forecast for
2 Miles SW Marion IL
Dense Fog Advisory until October 15, 08:00am
NOW until 8:00am Thu
Dense Fog Advisory
Today
High: 88 °F
Showers
Likely and
Areas Dense
Fog then
Chance
T-stormsTonight
Low: 50 °F
Showers
LikelyFriday
High: 59 °F
Chance
Showers then
Partly SunnyFriday Night
Low: 41 °F
Mostly Cloudy
Saturday
High: 61 °F
Sunny
Saturday Night
Low: 36 °F
Clear
Sunday
High: 67 °F
Sunny
Sunday Night
Low: 40 °F
Mostly Clear
Detailed Forecast
Today
A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 9am, then a chance of showers and thunderstorms after 9am. Areas of dense fog before 8am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 88. Light and variable wind becoming southwest 8 to 13 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 60%.
Tonight
Showers and thunderstorms likely before 4am, then a chance of showers between 4am and 5am. Increasing clouds, with a low around 50. South southwest wind 8 to 16 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 60%.
Friday
A 30 percent chance of showers before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 59. Northwest wind 16 to 18 mph, with gusts as high as 28 mph.
Friday Night
Mostly cloudy, with a low around 41. North wind 11 to 15 mph, with gusts as high as 23 mph.
Saturday
Sunny, with a high near 61. North northeast wind 8 to 11 mph.
Saturday Night
Clear, with a low around 36. Calm wind.
Sunday
Sunny, with a high near 67. Calm wind becoming south southeast around 6 mph in the morning.
Sunday Night
Mostly clear, with a low around 40. Calm wind.
Monday
Mostly sunny, with a high near 70. Calm wind becoming south around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 43. Calm wind.
Tuesday
Mostly sunny, with a high near 73. Light and variable wind.
Tuesday Night
Mostly clear, with a low around 45. Calm wind.
Wednesday
Sunny, with a high near 77. Calm wind becoming southeast around 5 mph in the afternoon.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
2 Miles SW Marion IL
37.71°N 88.98°W
37.71°N 88.98°W
5:41 am CDT Oct 15, 2026
6am CDT Oct 15, 2026-6pm CDT Oct 21, 2026
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