Pittsburg, Illinois Weather
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Weather Forecast for Pittsburg, Illinois : Williamson County
Issued: 10:52 pm CDT Jun 5, 2025 Latitude: 37.7769938 Longitude: -88.8495103 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: 79°F High: 83°F High: 79°F High: 78°F High: 82°F High: 83°F
Low: 65°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
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Current Conditions at
MARION - (KMWA)
68°
Clear
Mist
as of 10:35 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): Clear
Current Conditions at
HARRISBURG-RALEIGH - (KHSB)
70°
Clear
as of 10:35 PM CDST
Rel. Humidity: 94%
Dew Point: 68°F
Visibility: 10 Miles
Pressure: 30.01 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
CARBONDALE - (KMDH)
72°
Clear
Mist
as of 9:52 PM CDST
Rel. Humidity: 94%
Dew Point: 70°F
Visibility: 5 Miles
Pressure: 30.00 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
MT VERNON - (KMVN)
70°
Clear
Mist
as of 9:56 PM CDST
Rel. Humidity: 94%
Dew Point: 68°F
Visibility: 6 Miles
Pressure: 30.01 in.
Flight Rule: VFR
Wind Data
3 MPH
240° Southwest
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. Mostly cloudy, with a low around 65. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
70% chance of thunderstorms Saturday Saturday... A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 79. 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 83. West wind 6 to 8 mph.
30% chance of thunderstorms Sunday Night Sunday Night... A 30 percent chance of showers and thunderstorms after 1am. Mostly 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 79. 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. Southwest wind around 5 mph becoming calm in the evening.
Sunny on Tuesday Tuesday... Sunny, with a high near 78. Northwest wind 3 to 7 mph.
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. South southeast wind 3 to 6 mph.
Current Radar Image


Sun Almanac for Pittsburg, 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: 03:40 AM
Astro Sunset: 10:08 PM
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