Harrison, Illinois Weather
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Weather Forecast for Harrison, Illinois : Jackson County
Issued: 11:03 pm CDT Jun 5, 2025 Latitude: 37.7967175 Longitude: -89.337033 View on Google Maps

MouseOver for Detail Forecast
Tonight Friday Saturday Sunday Monday Tuesday Wednesday Thursday
20% 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 10% chance of on Thursday
Low: 67°F High: 78°F High: 80°F High: 84°F High: 80°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: 61°F  
Thunderstorms Thunderstorms Thunderstorms Mostly Sunny Thunderstorms Sunny Mostly Sunny Partly Sunny
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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
MARION - (KMWA)
68°
Mostly Cloudy
Mist
as of 11:35 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): Broken at 7000ft
Current Conditions at
SPARTA - (KSAR)
68°
Cloudy
as of 11:35 PM CDST
Rel. Humidity: 93%
Dew Point: 66°F
Visibility: 7 Miles
Pressure: 30.03 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Broken at 6000ft, Solid Overcast at 7000ft
Current Conditions at
CAIRO - (KCIR)
75°
Partly Cloudy
as of 11:35 PM CDST
Rel. Humidity: 88%
Dew Point: 72°F
Visibility: 7 Miles
Pressure: 29.99 in.
Flight Rule: VFR
Wind Data
3 MPH
070° East
Cloud Level(s): Scattered at 2600ft, Scattered at 3500ft
20% chance of thunderstorms Tonight Tonight... A 20 percent chance of showers and thunderstorms after 3am. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 67. 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 showers and thunderstorms likely after 4pm. Patchy fog before 9am. High near 78. Calm wind becoming west southwest around 6 mph in the afternoon. Chance of precipitation is 90%.
80% chance of thunderstorms Friday Night Friday Night... Showers and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms between 7pm and 10pm, then a chance of showers after 10pm. Patchy fog between 10pm and 11pm. Low around 65. North northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%.
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. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 80. Calm wind becoming south southwest 5 to 7 mph in the afternoon. Chance of precipitation is 70%.
40% 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 40%.
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 6 mph becoming calm in the evening.
10% chance of thunderstorms Monday Monday... A slight chance of showers and thunderstorms 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. West southwest wind around 5 mph becoming calm in the evening.
Sunny on Tuesday Tuesday... Sunny, with a high near 78. Northwest wind 3 to 6 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 61. Light east southeast wind.
10% chance of Thursday Thursday... A slight chance of showers. Partly sunny, with a high near 83. South southeast wind 3 to 6 mph.
Current Radar Image


Sun Almanac for Harrison, Illinois
Sunrise: 05:35 AM
Sunset: 8:17 PM
Civil Sunrise:05:04 AM
Civil Sunset: 8:48 PM
Nautical Sunrise: 04:26 AM
Nautical Sunset: 9:27 PM
Astro Sunrise: 03:42 AM
Astro Sunset: 10:10 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.