Harmony, Illinois Weather
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Weather Forecast for Harmony, Illinois : Jefferson County
Issued: 6:19 pm CDT Jun 5, 2025 Latitude: 38.4072706 Longitude: -88.7928371 View on Google Maps

MouseOver for Detail Forecast
Tonight Friday Saturday Sunday Monday Tuesday Wednesday Thursday
20% chance of thunderstorms on Tonight 80% chance of thunderstorms on Friday 70% chance of thunderstorms on Saturday Partly Sunny on Sunday 10% chance of thunderstorms on Monday Sunny on Tuesday Mostly Sunny on Wednesday 10% chance of on Thursday
Low: 66°F High: 77°F High: 78°F High: 82°F High: 79°F High: 77°F High: 81°F High: 81°F
Low: 63°F Low: 64°F Low: 63°F Low: 58°F Low: 58°F Low: 61°F  
Thunderstorms Thunderstorms Thunderstorms Partly Sunny Thunderstorms Sunny Mostly Sunny Partly Sunny
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Current Conditions at
MT VERNON - (KMVN)
72°
Partly Cloudy
as of 8:14 PM CDST
Rel. Humidity: 88%
Dew Point: 68°F
Visibility: 10 Miles
Pressure: 29.99 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Scattered at 2700ft
Current Conditions at
CENTRALIA MUNICIPAL ARPT - (KENL)
72°
Clear
as of 8:35 PM CDST
Rel. Humidity: 88%
Dew Point: 68°F
Visibility: 7 Miles
Pressure: 29.99 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
SALEM-LECKRONE ARPT - (KSLO)
73°
Cloudy
as of 8:35 PM CDST
Rel. Humidity: 83%
Dew Point: 68°F
Visibility: 7 Miles
Pressure: 29.98 in.
Flight Rule: MVFR
Wind Data
3 MPH
020° North
Cloud Level(s): Solid Overcast at 2400ft
Current Conditions at
FLORA MUNICIPAL AIRPORT - (KFOA)
73°
Partly Cloudy
as of 8:35 PM CDST
Rel. Humidity: 88%
Dew Point: 70°F
Visibility: 10 Miles
Pressure: 29.99 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Scattered at 2300ft, Scattered at 2700ft
20% chance of thunderstorms Tonight Tonight... A slight chance of showers and thunderstorms between 3am and 4am. Partly cloudy, with a low around 66. Calm wind. Chance of precipitation is 20%.
80% chance of thunderstorms Friday Friday... Showers likely before 1pm, then showers and possibly a thunderstorm between 1pm and 5pm, then showers and thunderstorms after 5pm. High near 77. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 80%.
80% chance of thunderstorms Friday Night Friday Night... Showers and thunderstorms before 1am, then a slight chance of showers. Low around 63. Light north wind. Chance of precipitation is 80%.
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 78. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 70%.
40% chance of thunderstorms Saturday Night Saturday Night... A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 64. Southwest wind 3 to 5 mph. Chance of precipitation is 40%.
Partly Sunny on Sunday Sunday... Partly sunny, with a high near 82. West northwest 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 63. West wind 3 to 6 mph.
10% chance of thunderstorms Monday Monday... A slight chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 79. West southwest wind 5 to 8 mph.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 58. West wind around 5 mph becoming calm in the evening.
Sunny on Tuesday Tuesday... Sunny, with a high near 77. Northwest wind 3 to 7 mph.
Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 58. Light northwest wind.
Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 81. Light and variable wind.
Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 61. Calm wind.
10% chance of Thursday Thursday... A slight chance of showers. Partly sunny, with a high near 81. South southeast wind 3 to 6 mph.
Current Radar Image


Sun Almanac for Harmony, Illinois
Sunrise: 05:32 AM
Sunset: 8:16 PM
Civil Sunrise:05:00 AM
Civil Sunset: 8:47 PM
Nautical Sunrise: 04:21 AM
Nautical Sunset: 9:26 PM
Astro Sunrise: 03:37 AM
Astro Sunset: 10:11 PM
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