Frost Dates in Minnesota

Ada May 11 – September 27 Agassiz Refuge May 6 – October 3 Aitkin 2e May 16 – September 28 Albert Lea 3se April 27 – October 9 Alexandria Muni AP May 2 – October 8 Amboy April 30 – October 7 Andover 1n May 5 – October 2 Argyle May 15 – September 26 Artichoke Lake 1 E May 1 – October 8 Austin Waste Wtp Facility April 30 – October 5 Babbitt May 28 – September 14 Baudette May 14 – September 26 Baudette Intl AP May 15 – September 26 Benson May 4 – October 3 Big Falls May 24 – September 20 Blackduck May 24 – September 17 Brainerd May 8 – September 29 Brainerd Crow Wing Co AP May 13 – September 27 Breckenridge 3e May 4 – October 3 Brimson 2s Always frozen Browns Valley May 9 – September 28 Brownton Wwtp April 30 – October 4 Bruno 7ene May 18 – September 26 Buffalo 2ne April 30 – October 9 Byron 4north May 12 – September 28 Caledonia April 29 – October 10 Cambridge May 2 – October 4 Camp Norris Dnr May 25 – September 22 Canby May 2 – October 5 Cass Lake May 17 – September 26 Cedar May 1 – October 7 Celina 2e June 1 – September 15 Chanhassen Wsfo April 30 – October 9 Chaska 2nw May 5 – October 5 Cloquet May 26 – September 23 Collegeville St John'S May 3 – October 7 Cook 8ne May 12 – October 1 Cotton May 27 – September 20 Crookston Nw Exp Stn May 11 – September 27 Dassel 3se April 30 – October 10 Deep Portage May 5 – October 5 Delano April 30 – October 8 Detroit Lakes 1 Nne May 15 – September 24 Detroit Lakes 12e May 4 – October 3 Duluth May 13 – October 1 Duluth Harbor Stn May 14 – October 12 Duluth NWS May 18 – October 1 Elk Rvr May 4 – October 5 Ely May 14 – September 29 Ely May 24 – September 23 Ely 25e May 21 – September 25 Embarrass Always frozen Eveleth Wwtp May 12 – October 1 Fairmont April 25 – October 14 Faribault May 5 – October 5 Farmington 3 Nw April 27 – October 10 Fergus Falls May 4 – October 5 Floodwood 3 Ne May 29 – September 18 Forest Lake 5ne May 3 – October 5 Fosston 1 E May 15 – September 26 Gaylord April 24 – October 15 Georgetown 1 E May 9 – October 1 Glenwood 2wnw May 11 – September 27 Goodridge 12 Nnw May 20 – September 17 Grand Marais May 20 – October 5 Grand Marais May 22 – October 9 Grand Meadow May 6 – October 1 Grand Portage May 24 – September 29 Grand Rpds Forest Lab May 17 – September 24 Granite Falls May 4 – October 1 Gull Lake Dam May 2 – October 6 Gunflint Lake 10 Nw May 23 – September 26 Hallock May 8 – September 30 Hastings Dam 2 April 23 – October 19 Hibbing Chisholm Hibbing AP June 5 – September 8 Hinckley May 16 – September 24 Hutchinson 1 N April 28 – October 8 Intl Falls Intl AP May 29 – September 13 Isabella 14w May 31 – September 15 Island Lake 4e May 21 – September 27 Isle 12n May 10 – October 3 Itasca Univ Of Minn May 18 – September 27 Jordan 1ssw May 2 – October 5 Kabetogama May 28 – September 16 Kimball 3n May 2 – October 5 La Crescent Dam 7 April 15 – October 28 Lake Wilson May 7 – September 29 Lakefield 2ne May 2 – October 2 Lamberton Sw Rsch & Outreach C May 3 – October 2 Leech Lake May 8 – October 1 Litchfield May 6 – October 2 Little Falls 2nne May 4 – October 5 Littlefork 10 Sw May 23 – September 21 Long Prairie May 13 – September 27 Lower St Anthony Falls April 23 – October 16 Lutsen 3nne May 26 – September 27 Mabel May 10 – September 28 Madison Wwtp May 3 – October 2 Mahnomen May 7 – September 28 Mankato April 30 – October 9 Marcell 5ne May 14 – October 2 Marshall May 5 – October 3 Melrose May 4 – October 1 Milaca May 8 – October 1 Milan 1nw May 3 – October 2 Minneapolis/St Paul AP April 23 – October 18 Minnesota City Dam 5 April 23 – October 16 Montevideo 1sw May 4 – October 1 Moorhead May 5 – October 3 Moose Lake 1 Sse May 12 – October 2 Mora May 9 – September 30 Morris W Cntrl Rsch & Outreach May 4 – October 1 Mpls Crystal AP April 30 – October 8 Mpls Flying Cloud AP April 23 – October 14 New Hope April 29 – October 12 New London May 4 – October 4 New Ulm 2 Se April 29 – October 7 New Ulm 3se May 2 – October 7 New York Mills May 10 – September 29 Northome 3s May 16 – September 26 Olivia 3e May 6 – October 1 Orr 3e June 2 – September 15 Ottertail May 5 – October 5 Owatonna May 5 – October 6 Park Rapids Muni AP May 14 – September 25 Pine Rvr Dam May 6 – October 7 Pipestone May 4 – October 2 Pokegama Dam May 16 – October 1 Preston May 14 – September 28 Red Lake Falls May 9 – September 30 Red Lake Indian Agcy May 12 – October 4 Red Wing Dam 3 April 23 – October 14 Redwood Falls April 30 – October 10 Redwood Falls Muni AP April 30 – October 4 Rice May 10 – September 29 Rochester Intl AP April 30 – October 6 Rosemount Rsch & Outreach Ctr May 2 – October 5 Rothsay May 5 – October 3 Rushford May 8 – October 3 Sandstone 6 W May 13 – September 29 Sandy Lake Dam Libby May 7 – October 3 Santiago 3 E May 7 – September 28 Sherburn 3wsw April 28 – October 8 Springfield 1 Nw May 4 – October 1 St Cloud Rgnl AP May 7 – September 30 St James Wwtp April 30 – October 7 St Paul April 26 – October 12 St Paul 3sw April 25 – October 12 St Paul Downtown AP April 24 – October 16 St Peter May 2 – October 4 Stillwater 1 Se April 22 – October 19 Stillwater 2sw April 30 – October 11 Tamarac Wildlife Re May 5 – October 3 Theilman 1ssw May 7 – October 2 Thief Rvr Falls 2 May 14 – September 28 Thorhult May 24 – September 20 Tower 2sAlways frozen Tracy May 2 – October 5 Two Harbors May 12 – October 6 Two Harbors 7nw May 27 – September 23 U Of Mn St Paul April 28 – October 8 Vadnais Lake April 23 – October 20 Wadena 3 S May 10 – September 30 Walker May 4 – October 7 Warren Wsd May 5 – October 2 Warroad May 16 – September 24 Waseca S Rsch & Outreach Ctr May 2 – October 4 Waskish 4ne May 22 – September 17 Wells April 30 – October 6 Wheaton May 1 – October 9 White Rock Dam May 3 – October 3 Wild Rvr Sp May 19 – September 25 Willmar 5n May 1 – October 6 Willmar Wwtp April 30 – October 7 Windom April 30 – October 10 Winnebago April 27 – October 10 Winona April 21 – October 19 Winona Dam 5 A April 23 – October 21 Wolf Ridge Elc May 15 – October 1 Worthington 2 Nne May 3 – October 4 Wright 3 E May 31 – September 18 Zumbrota May 9 – September 30