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Hazardous Weather Conditions
Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.
Fair
75°F
24°C
Humidity | 94% |
Wind Speed | Calm |
Barometer | 30.18 in |
Dewpoint | 73°F (23°C) |
Visibility | 10.00 mi |
Last update | 23 Jun 6:45 am CDT |
Extended Forecast for
Marion IL
Heat Advisory June 23, 06:48am until June 27, 07:00pm
NOW until 7:00pm Fri
Heat Advisory
Today
High: 93 °F
Sunny then
Slight Chance
T-stormsTonight
Low: 76 °F
Mostly Clear
Tuesday
High: 92 °F
Slight Chance
T-stormsTuesday Night
Low: 76 °F
Partly Cloudy
Wednesday
High: 94 °F
Sunny
Wednesday Night
Low: 76 °F
Mostly Clear
Thursday
High: 95 °F
Sunny
Thursday Night
Low: 76 °F
Mostly Clear
Detailed Forecast
Today
A 20 percent chance of showers and thunderstorms after 4pm. Sunny, with a high near 93. Light and variable wind becoming south southwest 5 to 7 mph in the morning.
Tonight
Mostly clear, with a low around 76. South wind 3 to 6 mph.
Tuesday
A slight chance of showers, with thunderstorms also possible after 10am. Mostly sunny, with a high near 92. South southwest wind 3 to 6 mph. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 76. Calm wind.
Wednesday
Sunny, with a high near 94. Calm wind becoming southwest around 5 mph.
Wednesday Night
Mostly clear, with a low around 76. Calm wind.
Thursday
Sunny, with a high near 95. Calm wind becoming southwest around 6 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 76. South wind around 5 mph becoming calm in the evening.
Friday
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 95. Calm wind becoming southwest around 6 mph in the afternoon.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 76. South southwest wind around 5 mph becoming calm in the evening.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 94. Calm wind becoming west southwest around 5 mph in the afternoon.
Saturday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 75. Light south wind.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 93. Calm wind becoming west southwest around 6 mph in the afternoon.
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ABOUT THIS FORECAST
Point Forecast:
Marion IL
37.73°N 88.92°W
37.73°N 88.92°W
5:31 am CDT Jun 23, 2025
6am CDT Jun 23, 2025-6pm CDT Jun 29, 2025