Cissna Park, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Cissna Park, a village in Iroquois County, Illinois.
Today
84°F
Patchy Fog then Sunny
Patchy fog before 8am. Sunny, with a high near 84. South wind 0 to 5 mph.
7-day forecast for Cissna Park
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Patchy Fog then Sunny | 0 to 5 mph S | 0% |
| Tonight | 63°F | Partly Cloudy | 0 mph | 0% |
| Wednesday | 84°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SSW | 16% |
| Wednesday Night | 66°F | Chance Showers And Thunderstorms | 0 to 5 mph S | 78% |
| Thursday | 81°F | Showers And Thunderstorms | 0 to 5 mph SSW | 78% |
| Thursday Night | 64°F | Chance Showers And Thunderstorms | 0 mph | 49% |
| Friday | 83°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 0 mph | 15% |
| Friday Night | 65°F | Slight Chance Showers And Thunderstorms | 0 mph | 24% |
| Saturday | 85°F | Slight Chance Rain Showers then Mostly Sunny | 0 to 5 mph SSW | 15% |
| Saturday Night | 68°F | Mostly Clear | 0 to 5 mph SSW | 10% |
| Sunday | 87°F | Mostly Sunny | 5 to 10 mph SSW | 9% |
| Sunday Night | 70°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 5 mph SSW | 18% |
| Monday | 87°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph SSW | 22% |
| Monday Night | 70°F | Chance Showers And Thunderstorms | 5 mph SW | 34% |
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 Aug 4, 2026.