Harman US

Belle Rive, IL Weather & Growing Conditions

This Afternoon
98°F
Mostly Sunny
Mostly sunny, with a high near 98. West southwest wind 6 to 9 mph.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 98°F Mostly Sunny 6 to 9 mph WSW 3%
Tonight 72°F Partly Cloudy 1 to 5 mph SSW 2%
Sunday 96°F Mostly Sunny 5 to 8 mph WSW 3%
Sunday Night 67°F Partly Cloudy then Chance Showers And Thunderstorms 7 mph N 42%
Monday 86°F Chance Showers And Thunderstorms 6 to 10 mph NE 55%
Monday Night 60°F Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms 5 to 10 mph NE 55%
Tuesday 76°F Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms 6 to 13 mph NNE 54%
Tuesday Night 56°F Mostly Cloudy 5 to 14 mph N 3%
Wednesday 76°F Mostly Sunny 6 to 10 mph N 3%
Wednesday Night 55°F Partly Cloudy 2 to 10 mph N 1%
Thursday 78°F Mostly Sunny 3 to 8 mph N 0%
Thursday Night 57°F Partly Cloudy 1 to 6 mph NNE 0%
Friday 80°F Partly Sunny 2 to 9 mph NNE 4%
Friday Night 57°F Partly Cloudy 2 to 7 mph NNE 4%

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.