Frost dates in Warren County, Iowa
The average last spring frost in Warren County falls Apr 18 to May 5 and the average first fall frost Oct 5 to Oct 20, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 5b. Places: Ackworth, Bevington, Carlisle, Hartford, Indianola, Lacona. 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 |
|---|---|---|---|---|
| 50001 | Ackworth | Apr 24 | Oct 12 | 5b |
| 50047 | Carlisle | Apr 18 | Oct 20 | 5b |
| 50118 | Hartford | Apr 21 | Oct 15 | 5b |
| 50125 | Indianola | Apr 24 | Oct 12 | 5b |
| 50139 | Lacona | May 5 | Oct 5 | 5b |
| 50145 | Apr 24 | Oct 12 | 5b | |
| 50160 | Martensdale | Apr 24 | Oct 12 | 5b |
| 50166 | Milo | Apr 24 | Oct 12 | 5b |
| 50210 | New Virginia | Apr 24 | Oct 12 | 5b |
| 50211 | Norwalk | Apr 18 | Oct 20 | 5b |
| 50229 | Bevington | Apr 24 | Oct 12 | 5b |
| 50241 | St. Marys | Apr 24 | Oct 12 | 5b |
Nearby counties
Madison County Polk County Lucas County Marion County Clarke County Dallas County
All Iowa counties · Download Iowa frost dates (CSV)
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