Hazardous Weather Conditions
Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.
Fair
84°F
29°C
| Humidity | 45% |
| Wind Speed | S 16 G 23 mph |
| Barometer | 29.68 in |
| Dewpoint | 61°F (16°C) |
| Visibility | 10.00 mi |
| Heat Index | 84°F (29°C) |
| Last update | 22 Mar 1:47 pm CDT |
Extended Forecast for
Marion IL
This Afternoon
High: 85 °F
Slight Chance
T-stormsTonight
Low: 37 °F
Chance
T-storms then
Mostly ClearMonday
High: 57 °F
Sunny
Monday Night
Low: 39 °F
Mostly Cloudy
Tuesday
High: 64 °F
Mostly Sunny
Tuesday Night
Low: 44 °F
Partly Cloudy
Wednesday
High: 74 °F
Mostly Sunny
Wednesday Night
Low: 60 °F
Partly Cloudy
Thursday
High: 85 °F
Sunny
Detailed Forecast
This Afternoon
A 10 percent chance of showers and thunderstorms after 5pm. Sunny, with a high near 85. South southwest wind around 14 mph, with gusts as high as 24 mph.
Tonight
A 40 percent chance of showers and thunderstorms, mainly between 8pm and 11pm. Mostly cloudy, then gradually becoming clear, with a low around 37. Southwest wind 10 to 16 mph becoming north after midnight. Winds could gust as high as 28 mph.
Monday
Sunny, with a high near 57. North northeast wind around 11 mph, with gusts as high as 22 mph.
Monday Night
Mostly cloudy, with a low around 39. Northeast wind around 6 mph.
Tuesday
Mostly sunny, with a high near 64. East southeast wind around 6 mph.
Tuesday Night
Partly cloudy, with a low around 44. Calm wind.
Wednesday
Mostly sunny, with a high near 74. South southwest wind 3 to 8 mph.
Wednesday Night
Partly cloudy, with a low around 60. South wind 7 to 9 mph.
Thursday
Sunny, with a high near 85. South southwest wind 9 to 15 mph, with gusts as high as 23 mph.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 45. South southwest wind 11 to 13 mph becoming north after midnight. Winds could gust as high as 22 mph.
Friday
A chance of showers. Partly sunny, with a high near 56. North wind around 15 mph, with gusts as high as 23 mph.
Friday Night
A slight chance of showers. Partly cloudy, with a low around 33. North wind 7 to 11 mph, with gusts as high as 18 mph.
Saturday
Sunny, with a high near 57. Northeast wind around 8 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
1:26 pm CDT Mar 22, 2026
2pm CDT Mar 22, 2026-6pm CDT Mar 28, 2026
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