Alsey, IL 62610 Frost Dates
Frost dates for Alsey, IL, ZIP 62610
The last spring frost here typically falls around 04/13, about 228 days from today. The first fall frost typically arrives around 10/22, about 190 frost-free days later.
Alsey sits in USDA Zone 6a (-10 to -5°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.
What to do before the first frost
Zone 6a around Alsey 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
04/13 is the middle of 30 years of NOAA records, not a promise. Plant by 03/30 and you're betting against frost in roughly 9 years out of 10. 04/28 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Alsey compares
About 190 days separate Alsey's last and first frost, putting it 21,324 of 40,283 ZIP codes nationally. Within IL, it ranks 547 of 1,548.
Learn more
zone vs. frost date explains why Zone 6a and Alsey's frost date answer different questions, and the frost range explains how to read the range around Alsey's dates instead of trusting one.