Frost dates in Iroquois County, Illinois

Sandstone canyon wall and still pool at Starved Rock State Park, Illinois — Photo: B3thedw, CC BY-SA 4.0, via Wikimedia Commons

The average last spring frost in Iroquois County falls Apr 19 to Apr 25 and the average first fall frost Oct 12 to Oct 24, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 5b to 6a. Places: Ashkum, Beaverville, Buckley, Cissna Park, Clifton, Crescent City. Pick a ZIP for 10% and 90% odds, soil temperature and the 7-day freeze forecast.

ZIP	Place	Last spring frost	First fall frost	Zone
60911	Ashkum	Apr 24	Oct 16	5b
60912	Beaverville	Apr 24	Oct 16	5b
60918	Buckley	Apr 23	Oct 12	6a
60924	Cissna Park	Apr 22	Oct 19	6a
60926		Apr 22	Oct 19	6a
60927	Clifton	Apr 19	Oct 24	5b
60928	Crescent City	Apr 24	Oct 16	5b
60930	Danforth	Apr 25	Oct 20	5b
60931	Donovan	Apr 24	Oct 16	5b
60938	Gilman	Apr 25	Oct 20	5b
60939		Apr 22	Oct 19	6a
60945	Iroquois	Apr 24	Oct 16	5b
60948	Loda	Apr 23	Oct 12	6a
60951	Martinton	Apr 24	Oct 16	5b
60953	Milford	Apr 22	Oct 19	6a
60955	Onarga	Apr 25	Oct 20	5b
60956	Papineau	Apr 24	Oct 16	5b
60966	Sheldon	Apr 23	Oct 14	5b
60967		Apr 25	Oct 13	5b
60968	Thawville	Apr 25	Oct 20	6a
60970	Watseka	Apr 24	Oct 16	5b
60973	Wellington	Apr 22	Oct 19	6a
60974	Woodland	Apr 24	Oct 16	5b

Nearby counties

Ford County Kankakee County Livingston County Vermilion County Grundy County Champaign County

All Illinois counties · Download Illinois frost dates (CSV)

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