East Peoria, IL 61611 Frost Dates
Frost dates for East Peoria, IL, ZIP 61611
Typically, the last spring freeze lands around 04/16, roughly 231 days out. The first fall frost typically arrives around 10/23, about 189 frost-free days later.
The USDA Plant Hardiness Zone Map puts East Peoria in Zone 6a (-10 to -5°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
Zone 6a around East Peoria has about 8 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
How much risk comes with planting early here
04/16 is the middle of 30 years of NOAA records, not a promise. Plant by 04/02 and you're betting against frost in roughly 9 years out of 10. 05/04 is the safer bet, historically only a 1-in-10 chance of frost that late.
How East Peoria compares
About 189 days separate East Peoria's last and first frost, putting it 21,419 of 40,283 ZIP codes nationally. Within IL, it ranks 572 of 1,548.
Learn more
local microclimates explains what one yard in East Peoria can differ from the 61611 normal, and zone vs. frost date explains why Zone 6a and East Peoria's frost date answer different questions.