Harman US

Channahon, IL Weather & Growing Conditions

Tonight
60°F
Rain
Rain. Cloudy. Low around 60, with temperatures rising to around 62 overnight. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Tonight 60°F Rain 15 mph S 86%
Wednesday 64°F Chance Rain then Mostly Cloudy 15 mph SSW 48%
Wednesday Night 48°F Mostly Cloudy 15 mph SW 9%
Thursday 59°F Mostly Cloudy then Slight Chance Rain Showers 10 to 15 mph WSW 20%
Thursday Night 43°F Chance Rain Showers 5 to 10 mph WNW 34%
Friday 55°F Slight Chance Rain Showers 10 mph NNW 22%
Friday Night 36°F Partly Cloudy 0 to 10 mph NNW 6%
Saturday 53°F Mostly Sunny 0 to 5 mph WNW 6%
Saturday Night 34°F Partly Cloudy 0 mph 3%
Sunday 58°F Mostly Sunny 0 to 10 mph W 12%
Sunday Night 35°F Mostly Clear 0 to 5 mph WNW 8%
Monday 63°F Sunny 0 to 10 mph WSW 3%
Monday Night 39°F Mostly Clear 5 mph WSW 2%
Tuesday 64°F Sunny 5 mph WNW 0%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Channahon, IL

Last spring frost
Apr 16
First fall frost
Oct 26
Growing season
191 days
Hardiness zone
5b

Explore more for Channahon, IL: full frost dates · planting calendar · Illinois frost dates

Climate data from the nearest NOAA station, Channahon Dresden Isl Dam, Il (4.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.