Cissna Park, IL Weather & Growing Conditions
This Afternoon
75°F
Slight Chance Rain Showers
A slight chance of rain showers. Partly sunny. High near 75, with temperatures falling to around 71 in the afternoon. South southeast wind around 20 mph, with gusts as high as 35 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 75°F | Slight Chance Rain Showers | 20 mph SSE | 20% |
| Tonight | 59°F | Rain Showers | 15 to 20 mph SSE | 81% |
| Wednesday | 64°F | Chance Rain Showers then Mostly Cloudy | 10 to 15 mph SSW | 39% |
| Wednesday Night | 47°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 Showers | 0 to 5 mph WNW | 25% |
| Friday | 56°F | Slight Chance Rain Showers then Partly Sunny | 0 to 10 mph NNW | 23% |
| Friday Night | 35°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 | 10% |
| Sunday Night | 32°F | Mostly Clear | 0 to 5 mph WNW | 10% |
| Monday | 64°F | Sunny | 0 to 10 mph WSW | 5% |
| Monday Night | 38°F | Mostly Clear | 5 mph WSW | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Cissna Park, IL
Last spring frost
Apr 22
First fall frost
Oct 19
Growing season
180 days
Hardiness zone
6a
Explore more for Cissna Park, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Hoopeston, Il (12.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.