Harmon, Illinois Weather
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Weather Forecast for Harmon, Illinois : Lee County
Issued: 12:27 am CST Feb 5, 2025 Latitude: 41.722811 Longitude: -89.5539905 View on Google Maps

MouseOver for Detail Forecast
Overnight Wednesday Thursday Friday Saturday Sunday Monday Tuesday
Cloudy on Overnight 70% chance of freezing rain & snow on Wednesday Mostly Cloudy on Thursday Mostly Cloudy on Friday Freezing Rain and Snow on Saturday Mostly Sunny on Sunday Mostly Sunny on Monday Partly Sunny on Tuesday
Low: 22°F High: 32°F High: 42°F High: 31°F High: 33°F High: 30°F High: 30°F High: 25°F
Low: 30°F Low: 20°F Low: 24°F Low: 19°F Low: 13°F Low: 14°F  
Cloudy Freezing Rain & Snow Mostly Cloudy Mostly Cloudy Freezing Rain and Snow Mostly Sunny Mostly Sunny Partly Sunny
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Current Conditions at
ROCHELLE MUNICIPAL ARPT - (KRPJ)
21°
Feels like 9°F
Cloudy
as of 12:15 AM CST
Rel. Humidity: 62%
Dew Point: 10°F
Visibility: 10 Miles
Pressure: 30.43 in.
Flight Rule: MVFR
Wind Data
12 MPH
040° Northeast
Cloud Level(s): Solid Overcast at 1600ft
Current Conditions at
PERU - (KVYS)
25°
Feels like 14°F
Cloudy
as of 12:15 AM CST
Rel. Humidity: 73%
Dew Point: 18°F
Visibility: 10 Miles
Pressure: 30.42 in.
Flight Rule: MVFR
Wind Data
10 MPH
040° Northeast
Cloud Level(s): Solid Overcast at 1800ft
Cloudy on Overnight Overnight... Cloudy, with a low around 22. East northeast wind around 10 mph.

70% chance of freezing rain & snow Wednesday Wednesday... Snow likely before 5pm, then sleet likely, possibly mixed with snow and freezing rain. Cloudy, with a high near 32. East southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. Little or no ice accumulation expected. Little or no snow and sleet accumulation expected.

80% chance of freezing rain Wednesday Night Wednesday Night... Freezing rain and sleet, becoming all freezing rain after 9pm, then gradually ending. Low around 30. East southeast wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 80%. New ice accumulation of less than a 0.1 of an inch possible. Little or no sleet accumulation expected.

Mostly Cloudy on Thursday Thursday... Mostly cloudy, then gradually becoming sunny, with a high near 42. Breezy, with a west wind 10 to 20 mph, with gusts as high as 30 mph.

Mostly Clear on Thursday Night Thursday Night... Mostly clear, with a low around 20. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.

Mostly Cloudy on Friday Friday... Mostly cloudy, with a high near 31.

20% chance of freezing rain & snow Friday Night Friday Night... A slight chance of snow and freezing rain after midnight. Mostly cloudy, with a low around 24. Chance of precipitation is 20%.

Freezing Rain and Snow on Saturday Saturday... Snow, possibly mixed with freezing rain, becoming all snow after noon. Mostly cloudy, with a high near 33.

Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 19.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 30.

Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 13.

Mostly Sunny on Monday Monday... Mostly sunny, with a high near 30.

Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 14.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 25.

Sun Almanac for Harmon, Illinois
Sunrise: 07:05 AM
Sunset: 5:19 PM
Civil Sunrise:06:36 AM
Civil Sunset: 5:48 PM
Nautical Sunrise: 06:03 AM
Nautical Sunset: 6:21 PM
Astro Sunrise: 05:31 AM
Astro Sunset: 6:54 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.