Frost dates in LaSalle County, Illinois
The average last spring frost in LaSalle County falls Apr 12 to Apr 27 and the average first fall frost Oct 15 to Oct 28, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 5b. Places: Cedar Point, Dana, Earlville, Grand Ridge, LaSalle, Leland. 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 |
|---|---|---|---|---|
| 60470 | Ransom | Apr 27 | Oct 15 | 5b |
| 60518 | Earlville | Apr 27 | Oct 15 | 5b |
| 60531 | Leland | Apr 27 | Oct 15 | 5b |
| 60537 | Millington | Apr 20 | Oct 23 | 5b |
| 60549 | Serena | Apr 27 | Oct 17 | 5b |
| 60551 | Sheridan | Apr 27 | Oct 17 | 5b |
| 60557 | Wedron | Apr 27 | Oct 17 | 5b |
| 61301 | LaSalle | Apr 24 | Oct 18 | 5b |
| 61316 | Cedar Point | Apr 24 | Oct 18 | 5b |
| 61321 | Dana | Apr 26 | Oct 17 | 5b |
| 61325 | Grand Ridge | Apr 27 | Oct 17 | 5b |
| 61332 | Leonore | Apr 20 | Oct 22 | 5b |
| 61334 | Lostant | Apr 24 | Oct 18 | 5b |
| 61341 | Marseilles | Apr 27 | Oct 17 | 5b |
| 61342 | Mendota | Apr 27 | Oct 15 | 5b |
| 61348 | Oglesby | Apr 24 | Oct 18 | 5b |
| 61350 | Ottawa | Apr 20 | Oct 22 | 5b |
| 61354 | Peru | Apr 24 | Oct 18 | 5b |
| 61358 | Rutland | Apr 26 | Oct 17 | 5b |
| 61360 | Seneca | Apr 27 | Oct 17 | 5b |
| 61364 | Streator | Apr 12 | Oct 28 | 5b |
| 61370 | Tonica | Apr 24 | Oct 18 | 5b |
| 61371 | Triumph | Apr 24 | Oct 18 | 5b |
| 61372 | Troy Grove | Apr 24 | Oct 18 | 5b |
| 61373 | North Utica | Apr 24 | Oct 18 | 5b |
| 61377 | Wenona | Apr 26 | Oct 17 | 5b |
Nearby counties
Putnam County Grundy County Bureau County Kendall County Marshall County Lee County
All Illinois counties · Download Illinois frost dates (CSV)
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