Hazardous Weather Conditions
Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.
Overcast
52°F
11°C
| Humidity | 88% |
| Wind Speed | E 5 mph |
| Barometer | 29.95 in |
| Dewpoint | 48°F (9°C) |
| Visibility | 10.00 mi |
| Wind Chill | 51°F (11°C) |
| Last update | 24 Nov 6:45 pm CST |
Extended Forecast for
Marion IL
Tonight

Low: 52 °F
Rain
Tuesday
High: 64 °F
Slight Chance
Rain then
Mostly CloudyTuesday Night
Low: 37 °F
Slight Chance
Showers then
Partly CloudyWednesday

High: 47 °F
Mostly Sunny
Wednesday Night

Low: 29 °F
Partly Cloudy
Thanksgiving Day

High: 44 °F
Sunny
Thursday Night

Low: 22 °F
Mostly Clear
Friday

High: 42 °F
Mostly Sunny
Friday Night
Low: 32 °F
Chance Snow
Showers then
Chance
Rain/Snow
Detailed Forecast
Tonight
Rain, mainly before 4am. Low around 52. Light southeast wind. Chance of precipitation is 90%.
Tuesday
A 20 percent chance of rain before 7am. Mostly cloudy, with a high near 64. Calm wind becoming west southwest 5 to 7 mph in the morning.
Tuesday Night
A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 37. Light west wind becoming west northwest 8 to 13 mph in the evening. Winds could gust as high as 22 mph.
Wednesday
Mostly sunny, with a high near 47. West northwest wind 9 to 17 mph, with gusts as high as 25 mph.
Wednesday Night
Partly cloudy, with a low around 29. West northwest wind 5 to 7 mph.
Thanksgiving Day
Sunny, with a high near 44. West northwest wind 6 to 11 mph.
Thursday Night
Mostly clear, with a low around 22. Light northwest wind.
Friday
Mostly sunny, with a high near 42. Calm wind becoming northwest around 5 mph.
Friday Night
A chance of snow showers before midnight, then a chance of rain and snow showers. Mostly cloudy, with a low around 32. Calm wind becoming southeast around 6 mph after midnight.
Saturday
Rain and snow showers likely, becoming all rain after noon. Cloudy, with a high near 43. South southeast wind 7 to 10 mph.
Saturday Night
Showers likely. Cloudy, with a low around 35. South southeast wind 5 to 7 mph.
Sunday
Showers likely. Cloudy, with a high near 48. East wind 7 to 10 mph becoming south southwest in the morning.
Sunday Night
Showers likely. Cloudy, with a low around 36. East wind 6 to 8 mph becoming south southwest after midnight.
Monday
A chance of showers. Mostly cloudy, with a high near 48. South southwest wind around 9 mph becoming northwest in the afternoon.
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ABOUT THIS FORECAST
Point Forecast:
Marion IL
37.73°N 88.95°W
37.73°N 88.95°W
6:36 pm CST Nov 24, 2025
9pm CST Nov 24, 2025-6pm CST Dec 1, 2025



