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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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
Nearby towns & communities
Ashkum
Beaverville
Buckley
Clifton
Crescent City
Danforth
Donovan
Gilman
Iroquois
Loda
Martinton
Milford
Onarga
Papineau
Sheldon
Thawville
Watseka
Wellington
Woodland
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.