Sprague, NE 68404 Frost Dates
Frost dates for Sprague, NE, ZIP 68404
The last spring frost here typically falls around 04/23, about 238 days from today. The first fall frost typically arrives around 10/12, about 170 frost-free days later.
The USDA Plant Hardiness Zone Map puts Sprague 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 Sprague has about 6 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.
Why 04/23 isn't a guarantee
04/23 is the middle of 30 years of NOAA records, not a promise. Plant by 04/09 and you're betting against frost in roughly 9 years out of 10. 05/06 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Sprague compares
About 170 days separate Sprague's last and first frost, putting it 29,259 of 40,283 ZIP codes nationally. Within NE, it ranks 224 of 605.
Learn more
local microclimates explains what one yard in Sprague can differ from the 68404 normal, and zone vs. frost date explains why Zone 6a and Sprague's frost date answer different questions.