Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.
Fair
73°F
23°C
| Humidity | 71% |
| Wind Speed | S 8 mph |
| Barometer | 29.93 in |
| Dewpoint | 64°F (18°C) |
| Visibility | 10.00 mi |
| Last update | 16 May 10:55 pm CDT |
Extended Forecast for
3 Miles SE Marion IL
Tonight

Low: 68 °F
Partly Cloudy
Sunday

High: 88 °F
Sunny
Sunday Night

Low: 69 °F
Increasing
CloudsMonday
High: 89 °F
Mostly Sunny
then Chance
T-stormsMonday Night

Low: 72 °F
Partly Cloudy
Tuesday
High: 88 °F
Chance
T-storms then
Showers
LikelyTuesday Night

Low: 65 °F
Showers
Wednesday

High: 77 °F
Chance
ShowersWednesday Night

Low: 56 °F
Chance
Showers
Detailed Forecast
Tonight
Partly cloudy, with a low around 68. South wind around 7 mph.
Sunday
Sunny, with a high near 88. South wind 8 to 16 mph, with gusts as high as 24 mph.
Sunday Night
Increasing clouds, with a low around 69. South wind around 11 mph, with gusts as high as 22 mph.
Monday
A 40 percent chance of showers and thunderstorms after 1pm. Increasing clouds, with a high near 89. South wind 13 to 17 mph, with gusts as high as 28 mph.
Monday Night
Partly cloudy, with a low around 72. South wind 11 to 13 mph, with gusts as high as 23 mph.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 88. South southwest wind 13 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 60%.
Tuesday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Low around 65. South southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Wednesday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 77. North wind 6 to 9 mph.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 56. North northeast wind 6 to 9 mph.
Thursday
A slight chance of showers. Partly sunny, with a high near 73. North northeast wind around 9 mph.
Thursday Night
A slight chance of showers. Mostly cloudy, with a low around 56. Northeast wind 5 to 8 mph.
Friday
A slight chance of showers. Partly sunny, with a high near 77. Northeast wind around 7 mph.
Friday Night
A slight chance of showers. Mostly cloudy, with a low around 59. Northeast wind around 6 mph becoming calm in the evening.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 82. East northeast wind 3 to 7 mph.
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ABOUT THIS FORECAST
Point Forecast:
3 Miles SE Marion IL
37.71°N 88.89°W
37.71°N 88.89°W
9:11 pm CDT May 16, 2026
11pm CDT May 16, 2026-6pm CDT May 23, 2026


