Marion, Illinois Weather
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Weather Forecast for Marion, Illinois : Williamson County
Issued: 11:32 pm CDT Jul 5, 2025 Latitude: 37.7306054 Longitude: -88.9331256 View on Google Maps

MouseOver for Detail Forecast
Overnight Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Clear on Overnight 30% chance of thunderstorms on Sunday 70% chance of thunderstorms on Monday 30% chance of thunderstorms on Tuesday 20% chance of thunderstorms on Wednesday 20% chance of thunderstorms on Thursday 10% chance of thunderstorms on Friday 20% chance of thunderstorms on Saturday
Low: 72°F High: 92°F High: 90°F High: 90°F High: 90°F High: 89°F High: 90°F High: 89°F
Low: 73°F Low: 73°F Low: 72°F Low: 72°F Low: 72°F Low: 73°F  
Clear Thunderstorms Thunderstorms Thunderstorms Thunderstorms Thunderstorms Thunderstorms Thunderstorms
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Current Conditions at
MARION - (KMWA)
73°
Clear
as of 12:15 AM CDST
Rel. Humidity: 88%
Dew Point: 70°F
Visibility: 10 Miles
Pressure: 30.00 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
CARBONDALE - (KMDH)
72°
Clear
as of 11:52 PM CDST
Rel. Humidity: 94%
Dew Point: 70°F
Visibility: 8 Miles
Pressure: 29.98 in.
Flight Rule: VFR
Wind Data
3 MPH
160° South
Cloud Level(s): Clear
Current Conditions at
HARRISBURG-RALEIGH - (KHSB)
73°
Clear
as of 12:15 AM CDST
Rel. Humidity: 94%
Dew Point: 72°F
Visibility: 7 Miles
Pressure: 29.99 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
METROPOLIS MUNI ARP - (KM30)
73°
Clear
as of 12:15 AM CDST
Rel. Humidity: 94%
Dew Point: 72°F
Visibility: 7 Miles
Pressure: 30.01 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Clear on Overnight Overnight... Clear, with a low around 72. Calm wind.
30% chance of thunderstorms Sunday Sunday... A slight chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. Southwest wind 6 to 8 mph. Chance of precipitation is 30%.
40% chance of thunderstorms Sunday Night Sunday Night... A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73. West southwest wind around 5 mph becoming calm in the evening.
70% chance of thunderstorms Monday Monday... Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 90. Calm wind becoming west around 6 mph in the morning. Chance of precipitation is 70%.
30% chance of thunderstorms Monday Night Monday Night... A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73. Calm wind.
30% chance of thunderstorms Tuesday Tuesday... A slight chance of showers, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 90. Light west southwest wind. Chance of precipitation is 30%.
20% chance of thunderstorms Tuesday Night Tuesday Night... A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Calm wind.
20% chance of thunderstorms Wednesday Wednesday... A chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 90. Light southwest wind.
20% chance of thunderstorms Wednesday Night Wednesday Night... A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Calm wind.
20% chance of thunderstorms Thursday Thursday... A chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 89. Calm wind becoming west southwest around 5 mph in the afternoon.
20% chance of thunderstorms Thursday Night Thursday Night... A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Light and variable wind.
10% chance of thunderstorms Friday Friday... A slight chance of showers and thunderstorms. Partly sunny, with a high near 90. Calm wind becoming southwest around 5 mph in the afternoon.
20% chance of thunderstorms Friday Night Friday Night... A chance of showers and thunderstorms. Partly cloudy, with a low around 73. Light south southwest wind.
20% chance of thunderstorms Saturday Saturday... A chance of showers and thunderstorms. Partly sunny, with a high near 89. West southwest wind 5 to 7 mph.
Current Radar Image


Sun Almanac for Marion, Illinois
Sunrise: 05:41 AM
Sunset: 8:21 PM
Civil Sunrise:05:10 AM
Civil Sunset: 8:52 PM
Nautical Sunrise: 04:31 AM
Nautical Sunset: 9:30 PM
Astro Sunrise: 03:48 AM
Astro Sunset: 10:13 PM
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