Harman US

Belle Rive, IL Weather & Growing Conditions

This Afternoon
79°F
Slight Chance Rain Showers
A slight chance of rain showers after 5pm. Mostly cloudy. High near 79, with temperatures falling to around 75 in the afternoon. South wind around 14 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 79°F Slight Chance Rain Showers 14 mph S 20%
Tonight 56°F Showers And Thunderstorms 9 to 17 mph SSW 98%
Wednesday 68°F Slight Chance Rain Showers then Partly Sunny 7 to 13 mph SW 19%
Wednesday Night 43°F Partly Cloudy 1 to 5 mph WSW 0%
Thursday 69°F Sunny 3 to 12 mph WSW 0%
Thursday Night 44°F Mostly Cloudy 2 mph WNW 5%
Friday 61°F Mostly Cloudy 2 to 12 mph NNW 2%
Friday Night 38°F Partly Cloudy 2 to 7 mph NNW 1%
Saturday 57°F Mostly Sunny 2 to 6 mph NNW 0%
Saturday Night 34°F Partly Cloudy 1 mph NNW 1%
Sunday 62°F Sunny 0 to 8 mph WNW 6%
Sunday Night 33°F Mostly Clear 3 mph NW 5%
Monday 66°F Sunny 1 to 9 mph W 3%
Monday Night 38°F Mostly Clear 5 mph SW 0%

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

Growing snapshot for Belle Rive, IL

Last spring frost
Apr 11
First fall frost
Oct 22
Growing season
193 days
Hardiness zone
6b

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

Climate data from the nearest NOAA station, Mt Vernon 3 Ne, Il (11.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.