


Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.
Fair
65°F
18°C
Humidity | 92% |
Wind Speed | Calm |
Barometer | 30.24 in |
Dewpoint | 62°F (17°C) |
Visibility | 10.00 mi |
Last update | 3 Oct 5:15 am CDT |
Extended Forecast for
Marion IL
Today
High: 87 °F
Slight Chance
SprinklesTonight
Low: 61 °F
Slight Chance
SprinklesSaturday
High: 86 °F
Sunny
Saturday Night
Low: 58 °F
Clear
Sunday
High: 86 °F
Sunny
Sunday Night
Low: 63 °F
Mostly Clear
Monday
High: 85 °F
Slight Chance
ShowersMonday Night
Low: 63 °F
Partly Cloudy
then Slight
Chance
T-stormsTuesday
High: 83 °F
Chance
Showers then
Chance
T-storms
Detailed Forecast
Today
A slight chance of sprinkles after 5pm. Sunny, with a high near 87. South wind 5 to 8 mph.
Tonight
A slight chance of sprinkles before 8pm. Mostly clear, with a low around 61. Light south wind.
Saturday
Sunny, with a high near 86. Calm wind becoming south southeast 5 to 7 mph in the afternoon.
Saturday Night
Clear, with a low around 58. Light southeast wind.
Sunday
Sunny, with a high near 86. Light south southeast wind becoming south 5 to 9 mph in the morning.
Sunday Night
Mostly clear, with a low around 63. Light south southeast wind.
Monday
A 20 percent chance of showers. Mostly sunny, with a high near 85. Calm wind becoming south around 6 mph in the morning.
Monday Night
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 63. Calm wind.
Tuesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 83. Calm wind becoming northeast around 6 mph in the afternoon.
Tuesday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 60. Calm wind becoming north northeast around 6 mph after midnight.
Wednesday
Mostly sunny, with a high near 76. North northeast wind 8 to 10 mph.
Wednesday Night
Mostly clear, with a low around 52. Northeast wind 5 to 7 mph.
Thursday
Sunny, with a high near 74. East northeast wind 6 to 8 mph.
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ABOUT THIS FORECAST
Point Forecast:
Marion IL
37.73°N 88.92°W
37.73°N 88.92°W
4:45 am CDT Oct 3, 2025
5am CDT Oct 3, 2025-6pm CDT Oct 9, 2025