FrostDateCheck

Chenoa, IL 61726 Frost Dates

61726, near Chenoa, IL: the frost window

Zone 5b

The last spring frost here typically falls around 04/16, about 231 days from today. Fall's first freeze usually shows up around 10/24, roughly 191 days after the last spring frost.

Chenoa sits in USDA Zone 5b (-15 to -10°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.

Stretching the season past the first frost

Chenoa's growing season runs out in roughly 8 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.

The actual range around Chenoa's last frost

04/16 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/03 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/02 and only about 1 year in 10 sees frost after that.

Chenoa against the rest of the dataset

At roughly 191 frost-free days, Chenoa places 20,803 of 40,283 ZIP codes in this dataset. Within IL, it ranks 452 of 1,548.

Learn more

Two guides worth reading on 61726: zone vs. frost date, on why Zone 5b and Chenoa's frost date answer different questions, and the frost range, on how to read the range around Chenoa's dates instead of trusting one.