Hazardous Weather Conditions
Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.
Mostly Cloudy
46°F
8°C
| Humidity | 82% |
| Wind Speed | S 7 mph |
| Barometer | 30.13 in |
| Dewpoint | 41°F (5°C) |
| Visibility | 10.00 mi |
| Wind Chill | 42°F (6°C) |
| Last update | 1 Nov 5:45 pm CDT |
Extended Forecast for
Marion IL
Tonight
Low: 35 °F
Chance
Showers then
Patchy FrostSunday
High: 56 °F
Patchy Frost
then Mostly
SunnySunday Night
Low: 35 °F
Mostly Clear
Monday
High: 62 °F
Sunny
Monday Night
Low: 39 °F
Mostly Clear
Tuesday
High: 66 °F
Mostly Sunny
Tuesday Night
Low: 47 °F
Partly Cloudy
Wednesday
High: 70 °F
Sunny
Wednesday Night
Low: 42 °F
Mostly Clear
Detailed Forecast
Tonight
A 40 percent chance of showers before 8pm. Patchy frost after 2am. Otherwise, mostly cloudy, with a low around 35. South wind around 6 mph becoming calm in the evening.
Sunday
Patchy frost before 9am. Otherwise, mostly sunny, with a high near 56. North northeast wind 3 to 5 mph.
Sunday Night
Mostly clear, with a low around 35. Light and variable wind.
Monday
Sunny, with a high near 62. Calm wind becoming southwest 5 to 8 mph in the morning.
Monday Night
Mostly clear, with a low around 39. Calm wind.
Tuesday
Mostly sunny, with a high near 66. Light south wind increasing to 5 to 10 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 47. South southwest wind around 7 mph.
Wednesday
Sunny, with a high near 70. Southwest wind 7 to 10 mph becoming west northwest in the afternoon.
Wednesday Night
Mostly clear, with a low around 42. Northwest wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 67. Light and variable wind becoming south southeast 5 to 9 mph in the morning.
Thursday Night
A slight chance of showers. Partly cloudy, with a low around 53. South wind 7 to 9 mph.
Friday
A slight chance of showers. Mostly sunny, with a high near 70. South southwest wind 10 to 13 mph, with gusts as high as 18 mph.
Friday Night
Partly cloudy, with a low around 49. South southwest wind around 6 mph.
Saturday
A slight chance of showers. Mostly sunny, with a high near 70. South wind 6 to 13 mph, with gusts as high as 20 mph.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Marion IL
37.73°N 88.95°W
37.73°N 88.95°W
5:56 pm CDT Nov 1, 2025
6pm CDT Nov 1, 2025-6pm CST Nov 8, 2025
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