All states Illinois
Frost dates in Illinois
The typical last spring frost and first fall frost for 169 places in Illinois. Each page has the chance of frost by date and when to plant.
Places in Illinois
| Place | Last spring frost | First fall frost |
|---|---|---|
| Abingdon | April 21 | October 20 |
| Albion | April 4 | October 28 |
| Aledo | April 22 | October 19 |
| Andalusia | April 19 | October 22 |
| Anna | April 8 | October 29 |
| Antioch | April 23 | October 21 |
| Arlington Heights | April 19 | October 26 |
| Athens | April 19 | October 19 |
| Auburn | April 7 | October 29 |
| Aurora | April 19 | October 23 |
| Beardstown | April 16 | October 23 |
| Belleville | April 12 | October 20 |
| Bloomington | April 25 | October 16 |
| Bolingbrook | April 20 | October 22 |
| Breese | April 6 | October 29 |
| Cairo | April 2 | October 31 |
| Camp Point | April 18 | October 21 |
| Canton | April 17 | October 19 |
| Carbondale | April 9 | October 22 |
| Carlinville | April 14 | October 21 |
| Carmi | April 15 | October 19 |
| Carol Stream | April 25 | October 19 |
| Carrollton | April 13 | October 22 |
| Carthage | April 13 | October 22 |
| Casey | April 14 | October 20 |
| Centralia | April 9 | October 24 |
| Champaign | April 15 | October 24 |
| Channahon | April 16 | October 26 |
| Charleston | April 15 | October 23 |
| Chester | April 8 | October 30 |
| Chicago | April 10 | November 5 |
| Chillicothe | April 20 | October 17 |
| Christopher | April 4 | October 27 |
| Cicero | April 11 | October 31 |
| Collinsville | April 8 | October 26 |
| Columbia | April 6 | October 27 |
| Crystal Lake | April 25 | October 22 |
| Danville | April 21 | October 20 |
| De Pue | April 24 | October 17 |
| Decatur | April 14 | October 24 |
| DeKalb | April 24 | October 18 |
| Des Plaines | April 16 | October 28 |
| Dixon | April 21 | October 19 |
| Du Quoin | April 6 | October 22 |
| Dwight | April 27 | October 15 |
| Effingham | April 13 | October 24 |
| El Paso | April 26 | October 17 |
| Elgin | April 26 | October 18 |
| Elmwood | April 22 | October 14 |
| Evanston | April 26 | October 21 |
| Fairbury | April 23 | October 15 |
| Fairfield | April 7 | October 26 |
| Flora | April 9 | October 24 |
| Freeport | April 26 | October 13 |
| Fulton | April 13 | October 26 |
| Galena | April 26 | October 15 |
| Galesburg | April 20 | October 19 |
| Galva | April 26 | October 12 |
| Geneseo | April 20 | October 20 |
| Gibson City | April 21 | October 17 |
| Gilman | April 25 | October 20 |
| Granite City | April 4 | November 5 |
| Grayville | April 7 | October 25 |
| Greenville | April 10 | October 24 |
| Hanover | May 1 | October 9 |
| Harrisburg | April 7 | October 26 |
| Harvard | April 28 | October 12 |
| Hennepin | April 18 | October 22 |
| Heyworth | April 21 | October 20 |
| Hoopeston | April 22 | October 19 |
| Illinois City Dam | April 18 | October 24 |
| Jacksonville | April 17 | October 21 |
| Jerseyville | April 14 | October 19 |
| Joliet | April 19 | October 25 |
| Kankakee | April 19 | October 24 |
| Kewanee | April 24 | October 17 |
| Kirkwood | April 22 | October 14 |
| La Harpe | April 21 | October 19 |
| Lawrenceville | April 12 | October 25 |
| Lena | April 27 | October 9 |
| Lincoln | April 20 | October 16 |
| Litchfield | April 13 | October 24 |
| Louisville | April 10 | October 23 |
| Macomb | April 17 | October 22 |
| Mahomet | April 23 | October 13 |
| Mason City | April 17 | October 18 |
| Mattoon | April 11 | October 29 |
| McHenry | May 1 | October 11 |
| McLeansboro | April 11 | October 21 |
| Mendota | April 27 | October 15 |
| Metropolis | April 6 | October 27 |
| Moline | April 24 | October 18 |
| Monmouth | April 22 | October 15 |
| Morris | April 20 | October 23 |
| Morrison | April 26 | October 13 |
| Morton | April 21 | October 17 |
| Mount Carmel | April 2 | October 31 |
| Mount Sterling | April 18 | October 15 |
| Mount Vernon | April 11 | October 22 |
| Mount Zion | April 16 | October 22 |
| Mundelein | April 29 | October 20 |
| Murphysboro | April 9 | October 22 |
| Naperville | April 28 | October 16 |
| Naplate | April 20 | October 22 |
| Nashville | April 7 | October 26 |
| Neoga | April 16 | October 20 |
| New Boston | April 14 | October 24 |
| Newman | April 19 | October 19 |
| Newton | April 13 | October 22 |
| Oak Lawn | April 10 | November 1 |
| Olney | April 15 | October 23 |
| Oquawka | April 8 | October 29 |
| Oregon | April 29 | October 7 |
| Orland Park | April 19 | October 22 |
| Ottawa | April 27 | October 17 |
| Palatine | April 25 | October 19 |
| Palestine | April 12 | October 22 |
| Pana | April 17 | October 23 |
| Paris | April 21 | October 20 |
| Paxton | April 23 | October 12 |
| Payson | April 14 | October 23 |
| Peoria | April 16 | October 23 |
| Peru | April 24 | October 18 |
| Petersburg | April 13 | October 21 |
| Pittsfield | April 14 | October 21 |
| Pontiac | April 16 | October 24 |
| Princeton | April 22 | October 17 |
| Quincy | April 8 | October 30 |
| Ramsey | April 15 | October 19 |
| Rantoul | April 21 | October 18 |
| Robinson | April 13 | October 22 |
| Rochelle | April 26 | October 13 |
| Rockford | April 24 | October 17 |
| Roseville | April 22 | October 19 |
| Rosiclare | April 19 | October 20 |
| Round Lake Beach | April 24 | October 23 |
| Russellville | April 8 | October 26 |
| Salem | April 9 | October 26 |
| Savanna | May 2 | October 7 |
| Savoy | April 19 | October 17 |
| Schaumburg | April 30 | October 13 |
| Shelbyville | April 10 | October 24 |
| Sherman | April 14 | October 20 |
| Smithland L&D | April 3 | October 30 |
| Sparta | April 12 | October 22 |
| Springfield | April 15 | October 22 |
| St. Elmo | April 3 | October 24 |
| St. Joseph | April 20 | October 21 |
| Ste. Marie | April 13 | October 22 |
| Streator | April 12 | October 28 |
| Sublette | April 27 | October 12 |
| Sullivan | April 15 | October 22 |
| Taylorville | April 12 | October 20 |
| Tinley Park | April 23 | October 20 |
| Toledo | April 15 | October 24 |
| Tuscola | April 15 | October 20 |
| Ullin | April 3 | November 5 |
| Vienna | April 14 | October 21 |
| Virginia | April 19 | October 17 |
| Walnut | April 24 | October 14 |
| Waterman | April 28 | October 10 |
| Watseka | April 24 | October 16 |
| Waukegan | April 30 | October 19 |
| West Frankfort | April 4 | October 28 |
| Winchester | April 18 | October 20 |
| Windsor | April 16 | October 22 |
| Woodhull | April 28 | October 12 |
| Yorkville | April 28 | October 13 |
| Zion | April 30 | October 21 |
Typical year: frost is over (spring) or has come (fall) by that date in half of years. "n/a" means frost is too rare there to give a date.