Marion, Illinois Weather
your sport, your way
Air Sports Net on FacebookAir Sports Net on Google +Air Sports Net on TwitterReceive RSS UpdatesReceive Email Updates

Change location by the zip code or city,state: or search for other weather forecast locations in Illinois by name.
Weather Forecast for Marion, Illinois : Williamson County
Issued: 11:03 pm CDT Jun 5, 2025 Latitude: 37.7306054 Longitude: -88.9331256 View on Google Maps

MouseOver for Detail Forecast
Tonight Friday Saturday Sunday Monday Tuesday Wednesday Thursday
30% chance of thunderstorms on Tonight 90% chance of thunderstorms on Friday 70% chance of thunderstorms on Saturday Mostly Sunny on Sunday 10% chance of thunderstorms on Monday Sunny on Tuesday Mostly Sunny on Wednesday 20% chance of  on Thursday
Low: 68°F High: 79°F High: 80°F High: 84°F High: 80°F High: 78°F High: 82°F High: 83°F
Low: 66°F Low: 66°F Low: 64°F Low: 60°F Low: 59°F Low: 62°F  
Thunderstorms Thunderstorms Thunderstorms Mostly Sunny Thunderstorms Sunny Mostly Sunny Partly Sunny
-
Current Conditions at
MARION - (KMWA)
68°
Partly Cloudy
Mist
as of 10:55 PM CDST
Rel. Humidity: 93%
Dew Point: 66°F
Visibility: 3 Miles
Pressure: 30.02 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Scattered at 7500ft
Current Conditions at
CARBONDALE - (KMDH)
70°
Partly Cloudy
Mist
as of 11:13 PM CDST
Rel. Humidity: 94%
Dew Point: 68°F
Visibility: 3 Miles
Pressure: 30.01 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Scattered at 7000ft
Current Conditions at
HARRISBURG-RALEIGH - (KHSB)
70°
Clear
as of 10:55 PM CDST
Rel. Humidity: 94%
Dew Point: 68°F
Visibility: 7 Miles
Pressure: 30.01 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
METROPOLIS MUNI ARP - (KM30)
73°
Clear
as of 10:55 PM CDST
Rel. Humidity: 100%
Dew Point: 73°F
Visibility: 10 Miles
Pressure: 30.01 in.
Flight Rule: VFR
Wind Data
3 MPH
010° North
Cloud Level(s): Clear
30% chance of thunderstorms Tonight Tonight... A 30 percent chance of showers and thunderstorms, mainly after 5am. Patchy fog before 3am, then patchy fog after 5am. Otherwise, mostly cloudy, with a low around 68. Calm wind.

90% chance of thunderstorms Friday Friday... Showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 4pm, then a chance of showers and thunderstorms after 4pm. Patchy fog before 8am. High near 79. Calm wind becoming west southwest around 6 mph in the afternoon. Chance of precipitation is 90%.

60% chance of thunderstorms Friday Night Friday Night... Showers and thunderstorms likely before 1am, then a chance of showers. Patchy fog between 10pm and 11pm. Otherwise, mostly cloudy, with a low around 66. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.

70% chance of thunderstorms Saturday Saturday... A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 80. Calm wind becoming south southwest 5 to 7 mph in the afternoon. Chance of precipitation is 70%.

50% chance of thunderstorms Saturday Night Saturday Night... A chance of showers and thunderstorms before 4am, then a slight chance of showers. Mostly cloudy, with a low around 66. Southwest wind 3 to 6 mph. Chance of precipitation is 50%.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 84. West wind 5 to 8 mph.

30% chance of thunderstorms Sunday Night Sunday Night... A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 64. West wind around 5 mph becoming calm in the evening.

10% chance of thunderstorms Monday Monday... A slight chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 80. Southwest wind 3 to 7 mph.

10% chance of thunderstorms Monday Night Monday Night... A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 60. Light west wind.

Sunny on Tuesday Tuesday... Sunny, with a high near 78. Calm wind becoming northwest around 6 mph in the morning.

Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 59. Light north wind.

Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 82. Light and variable wind.

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 62. Calm wind.

20% chance of  Thursday Thursday... A chance of showers. Partly sunny, with a high near 83. Calm wind becoming south southeast around 6 mph in the morning.

Current Radar Image


Sun Almanac for Marion, Illinois
Sunrise: 05:34 AM
Sunset: 8:15 PM
Civil Sunrise:05:03 AM
Civil Sunset: 8:46 PM
Nautical Sunrise: 04:24 AM
Nautical Sunset: 9:25 PM
Astro Sunrise: 03:41 AM
Astro Sunset: 10:08 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.