Harman US

Bellflower, IL Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Bellflower, a village in Mclean County, Illinois.

This Afternoon
72°F
Chance Light Rain
A chance of rain after 2pm. Mostly cloudy, with a high near 72. South wind 21 to 24 mph, with gusts as high as 36 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Bellflower

WhenTempForecastWindPrecip
This Afternoon 72°F Chance Light Rain 21 to 24 mph S 40%
Tonight 54°F Light Rain 17 to 21 mph S 92%
Wednesday 63°F Chance Light Rain then Mostly Cloudy 15 to 18 mph SW 31%
Wednesday Night 44°F Mostly Cloudy 14 mph SW 5%
Thursday 61°F Mostly Sunny 13 to 18 mph WSW 5%
Thursday Night 42°F Mostly Cloudy then Slight Chance Light Rain 6 to 10 mph WNW 18%
Friday 56°F Slight Chance Light Rain then Partly Sunny 8 to 14 mph NNW 19%
Friday Night 35°F Mostly Cloudy 5 to 13 mph NNW 5%
Saturday 54°F Mostly Sunny 7 mph NW 2%
Saturday Night 32°F Partly Cloudy 5 mph W 3%
Sunday 60°F Sunny 5 to 12 mph W 12%
Sunday Night 33°F Mostly Clear 5 to 9 mph WNW 7%
Monday 64°F Sunny 5 to 14 mph WSW 3%
Monday Night 38°F Mostly Clear 7 to 10 mph WSW 2%

Forecast source: National Weather Service (api.weather.gov) for Bellflower (40.341, -88.526). Updated through the day.

Growing snapshot for Bellflower

Last spring frost
Apr 21
First fall frost
Oct 17
Growing season
178 days
Hardiness zone
6a

More local growing data for Bellflower: nearby ZIP 61724 weather · frost dates · planting calendar · Illinois frost dates

Nearby towns & communities

All Illinois locations ›

Climate data from the nearest NOAA station, Gibson City, Il (12.8 mi from Bellflower). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.