Hazardous Weather Conditions
Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.
Fair
19°F
-7°C
| Humidity | 73% |
| Wind Speed | S 3 mph |
| Barometer | 30.33 in |
| Dewpoint | 12°F (-11°C) |
| Visibility | 10.00 mi |
| Last update | 24 Feb 1:15 am CST |
Extended Forecast for
Marion IL
Overnight
Low: 20 °F
Mostly Clear
Tuesday
High: 50 °F
Partly Sunny
then Mostly
Cloudy and
BreezyTuesday Night
Low: 41 °F
Mostly Cloudy
Wednesday
High: 57 °F
Mostly Cloudy
Wednesday Night
Low: 40 °F
Slight Chance
Showers then
Chance
ShowersThursday
High: 54 °F
Chance
Showers then
Partly SunnyThursday Night
Low: 31 °F
Partly Cloudy
Friday
High: 62 °F
Sunny
Friday Night
Low: 41 °F
Mostly Clear
Detailed Forecast
Overnight
Mostly clear, with a low around 20. Calm wind becoming south around 5 mph.
Tuesday
Increasing clouds, with a high near 50. Breezy, with a south southwest wind 7 to 12 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 36 mph.
Tuesday Night
Mostly cloudy, with a low around 41. South southwest wind 13 to 18 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 29 mph.
Wednesday
Mostly cloudy, with a high near 57. Light and variable wind becoming northwest around 5 mph.
Wednesday Night
A 50 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 40. East southeast wind 3 to 6 mph.
Thursday
A 40 percent chance of showers before noon. Partly sunny, with a high near 54. East northeast wind 6 to 9 mph becoming north in the afternoon.
Thursday Night
Partly cloudy, with a low around 31. North wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 62. Calm wind becoming south southwest 5 to 7 mph in the morning.
Friday Night
Mostly clear, with a low around 41. South wind around 6 mph.
Saturday
Sunny, with a high near 67. South southwest wind 5 to 9 mph.
Saturday Night
Partly cloudy, with a low around 35. South wind 7 to 9 mph becoming north in the evening.
Sunday
A slight chance of showers. Partly sunny, with a high near 50. Northeast wind around 10 mph, with gusts as high as 18 mph.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 35. East northeast wind around 9 mph.
Monday
A chance of showers. Mostly cloudy, with a high near 54. East wind 8 to 10 mph, with gusts as high as 18 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
12:26 am CST Feb 24, 2026
1am CST Feb 24, 2026-6pm CST Mar 2, 2026
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