Frost Dates in Iowa

Albia 3 Nne April 24 – October 16 Algona April 30 – October 6 Allerton April 21 – October 19 Allison April 27 – October 8 Ames 5 Se April 26 – October 12 Ames 8 Wsw April 23 – October 14 Ames Muni AP April 26 – October 8 Anamosa 1 Wnw May 1 – October 4 Anamosa 3 Ssw April 27 – October 13 Ankeny April 23 – October 15 Atlantic 1 Ne April 30 – October 2 Audubon May 2 – October 3 Battle Creek 3ne May 1 – October 1 Beaconsfield April 23 – October 17 Bedford April 24 – October 15 Belle Plaine April 28 – October 10 Bellevue L&D 12 April 25 – October 16 Bloomfield April 16 – October 22 Boone April 28 – October 12 Britt 3e April 29 – October 7 Burlington 2s April 18 – October 20 Burlington Muni AP April 15 – October 20 Carroll April 27 – October 10 Cascade April 28 – October 10 Castana Exp Farm April 25 – October 12 Cedar Rapids #1 April 28 – October 12 Cedar Rapids Muni AP April 27 – October 11 Centerville April 28 – October 14 Chariton 1 E May 5 – October 5 Charles City April 30 – October 6 Cherokee May 4 – October 4 Clarinda April 25 – October 11 Clarion April 30 – October 10 Clinton #1 April 22 – October 16 Coggon May 3 – October 7 Colo April 24 – October 12 Columbus Junction April 26 – October 10 Corning April 27 – October 12 Cresco 1 Ne May 8 – October 1 Creston 2 Sw April 28 – October 11 Dakota City April 26 – October 12 Davenport April 23 – October 15 Davenport Wfo April 21 – October 17 Decorah May 3 – October 7 Denison April 27 – October 11 Des Moines 17 E April 21 – October 15 Des Moines Intl AP April 18 – October 20 Des Moines Wsfo-Johnston April 19 – October 18 Donnellson April 17 – October 22 Dubuque L&D 11 April 19 – October 21 Dubuque Rgnl AP April 28 – October 11 Eldora April 27 – October 10 Elkader 6 Ssw May 8 – October 1 Emmetsburg April 27 – October 7 Estherville 4e May 2 – October 3 Estherville Muni AP May 2 – September 30 Fairfield April 27 – October 12 Fayette May 4 – October 4 Forest City 2 Nne April 30 – October 7 Ft Dodge 5nnw April 28 – October 8 Ft Madison April 12 – October 25 Glenwood 3sw April 23 – October 11 Greenfield April 25 – October 12 Grinnell 3 Sw May 3 – October 6 Grundy Ctr April 29 – October 9 Guthrie Ctr May 2 – October 3 Guttenberg L&D 10 April 21 – October 18 Hampton April 29 – October 9 Harlan April 27 – October 9 Hawarden May 1 – October 4 Holstein April 30 – October 9 Humboldt Wtp April 27 – October 9 Ida Grove 5nw April 27 – October 12 Independence #1 April 30 – October 7 Indianola 2w April 24 – October 12 Iowa City April 29 – October 9 Iowa City Muni AP April 21 – October 18 Iowa Falls April 28 – October 10 Jefferson April 26 – October 9 Keokuk Lock Dam 19 April 10 – October 27 Keosauqua April 26 – October 13 Knoxville April 20 – October 19 Lake Park April 30 – October 10 Lamoni April 16 – October 20 Lamoni April 17 – October 21 Lamoni Muni AP April 16 – October 21 Le Claire L&D 14 April 16 – October 25 Le Mars April 30 – October 4 Leon 6 Ese April 30 – October 8 Little Sioux 2 Nw May 1 – October 3 Logan April 29 – October 8 Lowden April 27 – October 10 Manchester #2 May 3 – October 4 Mapleton No.2 May 3 – October 1 Maquoketa April 25 – October 14 Marshalltown April 28 – October 7 Marshalltown Muni AP April 30 – October 6 Mason City April 29 – October 7 Mason City Muni AP May 3 – October 1 Milford 4 Nw May 1 – October 6 Mt Ayr April 25 – October 12 Mt Pleasant 1 Ssw April 30 – October 10 Muscatine April 24 – October 14 Muscatine 2n April 18 – October 22 New Hampton May 2 – October 5 Newton April 22 – October 17 Northwood May 4 – October 4 Oakland April 23 – October 14 Oelwein 1e April 27 – October 13 Oelwein 2 S April 30 – October 9 Onawa 3nw May 1 – October 3 Osage April 30 – October 9 Osceola April 29 – October 9 Oskaloosa April 21 – October 16 Ottumwa Industrial AP April 23 – October 14 Perry April 25 – October 10 Pocahontas April 26 – October 7 Postville May 1 – October 3 Primghar April 29 – October 10 Rathbun Dam April 18 – October 23 Red Oak April 24 – October 13 Rock Rapids May 1 – October 4 Rockwell City April 26 – October 10 Sac City April 30 – October 6 Sanborn May 1 – October 7 Sheldon May 5 – September 28 Shenandoah April 20 – October 17 Sibley May 5 – October 3 Sidney 1sse April 19 – October 19 Sigourney April 24 – October 15 Sioux City Ang April 29 – October 7 Sioux City Gateway AP April 29 – October 5 Sioux Ctr 2 Se April 30 – October 3 Sioux Rapids 4 E April 30 – October 5 Spencer 1 N May 1 – October 3 Spencer Muni AP May 2 – October 2 Spirit Lake April 28 – October 11 Stanley May 4 – October 1 Storm Lake April 25 – October 13 Swea City 5n May 4 – October 1 Tipton April 21 – October 15 Toledo 3n April 30 – October 9 Tripoli April 29 – October 9 Vinton May 3 – October 3 Washington April 28 – October 11 Waterloo Muni AP April 27 – October 10 Waukon May 2 – October 11 Webster City May 3 – October 2 Williamsburg 1e April 28 – October 9 Winterset 1s April 30 – October 3