Hazardous Weather Conditions
Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.
Mostly Cloudy
72°F
22°C
| Humidity | 94% |
| Wind Speed | Calm |
| Barometer | 29.96 in |
| Dewpoint | 70°F (21°C) |
| Visibility | 10.00 mi |
| Last update | 5 Jul 6:47 am CDT |
Extended Forecast for
Marion IL
Today
High: 89 °F
Chance
T-stormsTonight
Low: 70 °F
Chance
T-storms then
Slight Chance
ShowersMonday
High: 86 °F
Partly Sunny
then Chance
T-stormsMonday Night
Low: 69 °F
Mostly Clear
Tuesday
High: 88 °F
Mostly Sunny
then Slight
Chance
T-stormsTuesday Night
Low: 69 °F
Mostly Clear
Wednesday
High: 91 °F
Sunny
Wednesday Night
Low: 72 °F
Mostly Clear
Thursday
High: 94 °F
Mostly Sunny
then Slight
Chance
T-storms
Detailed Forecast
Today
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 89. Calm wind becoming west around 6 mph in the afternoon.
Tonight
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 1am. Partly cloudy, with a low around 70. Light and variable wind. Chance of precipitation is 50%.
Monday
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 86. Calm wind becoming north northwest 5 to 7 mph in the morning.
Monday Night
Mostly clear, with a low around 69. North wind around 6 mph becoming calm in the evening.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 88. Calm wind becoming north around 6 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 69. Light north wind.
Wednesday
Sunny, with a high near 91. Calm wind.
Wednesday Night
Mostly clear, with a low around 72. Calm wind becoming south southwest around 5 mph after midnight.
Thursday
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. Southwest wind 6 to 10 mph.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 75. South southwest wind 5 to 8 mph.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 90. West southwest wind 5 to 8 mph.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 71. West southwest wind around 5 mph becoming calm in the evening.
Saturday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 89. Calm wind becoming northwest around 6 mph in the afternoon.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Marion IL
37.76°N 88.97°W
37.76°N 88.97°W
6:21 am CDT Jul 5, 2026
7am CDT Jul 5, 2026-6pm CDT Jul 11, 2026
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