Frost dates in McLean County, Illinois
The average last spring frost in McLean County falls Apr 21 to Apr 25 and the average first fall frost Oct 15 to Oct 20, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 5b to 6a. Places: Anchor, Arrowsmith, Bellflower, Bloomington, Chenoa, Colfax. 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 |
|---|---|---|---|---|
| 61701 | Bloomington | Apr 21 | Oct 20 | 6a |
| 61704 | Bloomington | Apr 25 | Oct 16 | 6a |
| 61705 | Twin Grove | Apr 21 | Oct 20 | 6a |
| 61720 | Anchor | Apr 21 | Oct 17 | 6a |
| 61722 | Arrowsmith | Apr 21 | Oct 17 | 6a |
| 61724 | Bellflower | Apr 21 | Oct 17 | 6a |
| 61726 | Chenoa | Apr 23 | Oct 15 | 5b |
| 61728 | Colfax | Apr 23 | Oct 15 | 6a |
| 61730 | Cooksville | Apr 25 | Oct 16 | 6a |
| 61731 | Apr 21 | Oct 17 | 6a | |
| 61732 | Danvers | Apr 21 | Oct 17 | 5b |
| 61736 | Downs | Apr 25 | Oct 16 | 6a |
| 61737 | Ellsworth | Apr 25 | Oct 16 | 6a |
| 61744 | Gridley | Apr 23 | Oct 15 | 5b |
| 61745 | Heyworth | Apr 21 | Oct 20 | 6a |
| 61748 | Hudson | Apr 25 | Oct 16 | 6a |
| 61752 | Le Roy | Apr 25 | Oct 16 | 6a |
| 61753 | Lexington | Apr 23 | Oct 15 | 6a |
| 61754 | McLean | Apr 21 | Oct 20 | 6a |
| 61761 | Normal | Apr 25 | Oct 16 | 6a |
| 61770 | Saybrook | Apr 21 | Oct 17 | 6a |
| 61772 | Shirley | Apr 21 | Oct 20 | 6a |
| 61774 | Stanford | Apr 21 | Oct 20 | 6a |
| 61776 | Towanda | Apr 25 | Oct 16 | 6a |
Nearby counties
De Witt County Woodford County Livingston County Ford County Tazewell County Logan County
All Illinois counties · Download Illinois frost dates (CSV)
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