Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.
Fair
70°F
21°C
| Humidity | 31% |
| Wind Speed | SW 12 G 23 mph |
| Barometer | 30.08 in |
| Dewpoint | 37°F (3°C) |
| Visibility | 10.00 mi |
| Last update | 25 Mar 11:47 am CDT |
Extended Forecast for
Marion IL
This Afternoon
High: 75 °F
Mostly Sunny
Tonight
Low: 63 °F
Partly Cloudy
Thursday
High: 86 °F
Sunny then
Sunny and
BreezyThursday Night
Low: 47 °F
Partly Cloudy
then Showers
LikelyFriday
High: 58 °F
Showers
LikelyFriday Night
Low: 33 °F
Mostly Clear
Saturday
High: 57 °F
Sunny
Saturday Night
Low: 39 °F
Partly Cloudy
Sunday
High: 66 °F
Mostly Sunny
Detailed Forecast
This Afternoon
Mostly sunny, with a high near 75. South southwest wind around 11 mph, with gusts as high as 20 mph.
Tonight
Partly cloudy, with a low around 63. South wind 8 to 11 mph, with gusts as high as 22 mph.
Thursday
Sunny, with a high near 86. Breezy, with a south southwest wind 11 to 20 mph, with gusts as high as 28 mph.
Thursday Night
Showers likely and possibly a thunderstorm after 1am. Increasing clouds, with a low around 47. South southwest wind 11 to 16 mph becoming west after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 60%.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 58. North wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Friday Night
Mostly clear, with a low around 33. North wind 6 to 13 mph, with gusts as high as 22 mph.
Saturday
Sunny, with a high near 57. East wind around 6 mph.
Saturday Night
Partly cloudy, with a low around 39. Light east wind.
Sunday
Mostly sunny, with a high near 66. South wind 5 to 11 mph, with gusts as high as 20 mph.
Sunday Night
Mostly cloudy, with a low around 54. South wind 8 to 10 mph, with gusts as high as 18 mph.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 78. South southwest wind 10 to 14 mph, with gusts as high as 23 mph.
Monday Night
A slight chance of showers. Partly cloudy, with a low around 61. South southwest wind around 10 mph, with gusts as high as 20 mph.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 80. South southwest wind 10 to 15 mph, with gusts as high as 24 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
12:06 pm CDT Mar 25, 2026
12pm CDT Mar 25, 2026-6pm CDT Mar 31, 2026
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