Harman US

Belle Rive, IL Weather & Growing Conditions

Overnight
71°F
Clear
Clear. Low around 71, with temperatures rising to around 73 overnight. West wind around 1 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 71°F Clear 1 mph W 2%
Saturday 98°F Sunny 2 to 8 mph SW 4%
Saturday Night 72°F Partly Cloudy 5 mph SSW 2%
Sunday 96°F Mostly Sunny 3 to 7 mph WSW 1%
Sunday Night 67°F Mostly Cloudy then Chance Showers And Thunderstorms 7 mph NNE 43%
Monday 84°F Showers And Thunderstorms Likely 6 to 12 mph NE 62%
Monday Night 59°F Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms 6 to 12 mph NNE 62%
Tuesday 75°F Chance Showers And Thunderstorms 8 to 13 mph NNE 31%
Tuesday Night 55°F Slight Chance Showers And Thunderstorms then Partly Cloudy 5 to 13 mph N 18%
Wednesday 76°F Mostly Sunny 6 to 12 mph N 3%
Wednesday Night 55°F Partly Cloudy 2 to 10 mph N 1%
Thursday 77°F Mostly Sunny 3 to 10 mph N 2%
Thursday Night 56°F Partly Cloudy 2 to 8 mph NNE 3%
Friday 78°F Mostly Sunny 2 to 10 mph NNE 3%

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 Sep 19, 2026.