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Cissna Park, IL Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Cissna Park, a village in Iroquois County, Illinois.

This Afternoon
75°F
Slight Chance Rain
A slight chance of rain after 3pm. Partly sunny. High near 75, with temperatures falling to around 71 in the afternoon. South wind 20 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 20%.

7-day forecast for Cissna Park

WhenTempForecastWindPrecip
This Afternoon 75°F Slight Chance Rain 20 to 25 mph S 20%
Tonight 59°F Rain 15 to 20 mph S 81%
Wednesday 64°F Chance Rain then Mostly Cloudy 10 to 15 mph SSW 39%
Wednesday Night 46°F Mostly Cloudy 10 mph SW 2%
Thursday 62°F Partly Sunny 5 to 15 mph WSW 5%
Thursday Night 43°F Mostly Cloudy then Chance Rain 0 to 5 mph WNW 26%
Friday 56°F Slight Chance Rain then Partly Sunny 0 to 10 mph NNW 23%
Friday Night 34°F Mostly Cloudy 0 to 5 mph NNW 8%
Saturday 55°F Mostly Sunny 0 to 5 mph WNW 5%
Saturday Night 32°F Partly Cloudy 0 mph 3%
Sunday 60°F Mostly Sunny 0 to 5 mph W 9%
Sunday Night 32°F Mostly Clear 0 to 5 mph WNW 10%
Monday 64°F Sunny 0 to 10 mph WSW 5%
Monday Night 37°F Mostly Clear 5 mph WSW 3%

Forecast source: National Weather Service (api.weather.gov) for Cissna Park (40.567, -87.892). Updated through the day.

Growing snapshot for Cissna Park

Last spring frost
Apr 22
First fall frost
Oct 19
Growing season
180 days
Hardiness zone
6a

More local growing data for Cissna Park: nearby ZIP 60924 weather · frost dates · planting calendar · Illinois frost dates

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Climate data from the nearest NOAA station, Hoopeston, Il (12.4 mi from Cissna Park). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.