Nebraska frost dates: Last spring and first autumn frost at every NOAA station, 1991-2020
Across Nebraska's 184 NOAA stations with frost dates, the median last spring frost (32°F) runs from April 15 in Valley to May 30 in Agate (3 mi E); for half of its places it comes after May 1.
- Typical last spring frost
- May 1median of 137 places
- Typical first autumn frost
- October 8median of 137 places
- Earliest last frost
- April 15Valley
- Latest last frost
- May 30Agate (3 mi E)
When is the last frost in Nebraska, town by town?
Each date is NOAA's: "after May 1 in half of years" means the last 32°F night of spring came after May 1 in half of the years 1991-2020. By the 1-in-10 date, the last frost has passed in nine years out of ten.
Find your town in the list, or look up a ZIP code for the stations nearest it.
| Place or station | Last frost (median) | 1 in 10 after | First frost (median) | 1 in 10 before | Growing season | Zone |
|---|---|---|---|---|---|---|
| ValleyValley NWS | April 15 | April 29 | October 21 | October 6 | 187 days | 5b |
| Omaha #1 | April 16 | May 6 | October 18 | October 2 | 183 days | – |
| Springfield7 mi E | April 17 | May 1 | October 19 | October 4 | 183 days | – |
| Falls CityFalls City Brenner Field | April 18 | May 2 | October 17 | October 1 | 180 days | 6a |
| Falls City (4 mi NE) | April 18 | May 2 | October 14 | September 28 | 177 days | – |
| Nebraska City2 mi NW | April 18 | May 1 | October 19 | October 3 | 182 days | 6a |
| OmahaOmaha Eppley Airfield | April 18 | April 30 | October 21 | October 6 | 185 days | 5b |
| Clay Center | April 19 | May 3 | October 20 | October 3 | 181 days | 6a |
| Fort Calhoun4 mi W | April 19 | May 6 | October 17 | October 1 | 180 days | – |
| Geneva | April 20 | May 3 | October 18 | October 2 | 178 days | 6a |
| Aurora | April 21 | May 4 | October 15 | October 1 | 176 days | – |
| Columbus3 mi NE | April 21 | May 5 | October 15 | September 30 | 174 days | 5b |
| Gretna4 mi NE | April 21 | May 4 | October 18 | October 4 | 179 days | 6a |
| Blair | April 22 | May 5 | October 17 | September 30 | 177 days | – |
| HastingsHastings Municipal Airport | April 22 | May 5 | October 16 | October 2 | 176 days | 6a |
| Kingsley Dam | April 22 | May 6 | October 18 | October 2 | 176 days | 6a |
| Lincoln (11 mi SW) | April 22 | May 4 | October 14 | September 29 | 174 days | 6a |
| Pawnee City | April 22 | May 7 | October 15 | September 29 | 173 days | – |
| Raymond2 mi E | April 22 | May 3 | October 16 | September 29 | 175 days | – |
| Virginia | April 22 | May 5 | October 20 | October 1 | 179 days | 6a |
| York | April 22 | May 5 | October 18 | October 1 | 178 days | – |
| AshlandAshland #2 | April 23 | May 5 | October 16 | September 29 | 175 days | 5b |
| Crete4 mi ESE | April 23 | May 6 | October 12 | September 28 | 170 days | 5b |
| Fremont | April 23 | May 6 | October 15 | September 29 | 172 days | 5b |
| Grand IslandGrand Island Central NE Regional Airport | April 23 | May 6 | October 15 | September 29 | 174 days | 5b |
| St. PaulSaint Paul | April 23 | May 7 | October 14 | September 28 | 172 days | 5b |
| Table Rock4 mi N | April 23 | May 7 | October 13 | September 28 | 172 days | 6a |
| TekamahTekamah Municipal Airport | April 23 | May 6 | October 8 | September 24 | 166 days | 5a |
| Wahoo | April 23 | May 8 | October 15 | September 29 | 172 days | – |
| Weeping Water | April 23 | May 6 | October 16 | October 1 | 175 days | 5b |
| Weston3 mi NW | April 23 | May 5 | October 13 | September 29 | 174 days | – |
| Auburn5 mi ESE | April 24 | May 6 | October 10 | September 25 | 167 days | 5b |
| Beatrice1 mi N | April 24 | May 6 | October 15 | September 30 | 172 days | 5b |
| Hebron | April 24 | May 5 | October 15 | September 29 | 172 days | 6a |
| LincolnLincoln Airport | April 24 | May 7 | October 13 | September 29 | 171 days | 5b |
| Ragan | April 24 | May 7 | October 18 | October 1 | 174 days | – |
| Fairbury5 mi S | April 25 | May 7 | October 15 | September 30 | 169 days | 6a |
| Fairmont | April 25 | May 7 | October 14 | September 29 | 170 days | 5b |
| Harlan County Lake | April 25 | May 7 | October 14 | September 28 | 170 days | – |
| Hastings (4 mi N) | April 25 | May 7 | October 14 | September 30 | 171 days | 5b |
| Howells | April 25 | May 8 | October 11 | September 25 | 168 days | 5b |
| Mead6 mi S | April 25 | May 7 | October 13 | September 28 | 170 days | 5b |
| Niobrara | April 25 | May 9 | October 13 | September 27 | 170 days | – |
| Osceola | April 25 | May 8 | October 14 | September 29 | 170 days | 5b |
| Syracuse | April 25 | May 7 | October 11 | September 25 | 168 days | 5b |
| Canaday Steam Plant | April 26 | May 7 | October 13 | September 29 | 169 days | 5b |
| David City | April 26 | May 8 | October 11 | September 28 | 168 days | 5b |
| Friend3 mi E | April 26 | May 6 | October 13 | September 28 | 169 days | – |
| Minden | April 26 | May 8 | October 12 | September 29 | 168 days | 5b |
| Seward | April 26 | May 7 | October 12 | September 28 | 169 days | 5b |
| Tecumseh1 mi S | April 26 | May 11 | October 10 | September 25 | 164 days | 5b |
| Clarkson | April 27 | May 11 | October 10 | September 28 | 165 days | – |
| Lincoln (8 mi ENE) | April 27 | May 8 | October 10 | September 25 | 164 days | – |
| Central City | April 28 | May 10 | October 10 | September 27 | 165 days | 5b |
| Dalton | April 28 | May 10 | October 13 | September 27 | 166 days | 6a |
| Stanton | April 28 | May 9 | October 9 | September 26 | 164 days | – |
| Tekamah station | April 28 | May 8 | October 10 | September 27 | 165 days | 5b |
| West Point | April 28 | May 11 | October 12 | September 26 | 165 days | 5a |
| Elgin | April 29 | May 11 | October 9 | September 25 | 162 days | 5b |
| Superior | April 29 | May 10 | October 10 | September 26 | 162 days | 6a |
| Surprise | April 29 | May 9 | October 9 | September 24 | 163 days | 5b |
| TrentonTrenton Dam (1 mi N) | April 29 | May 12 | October 13 | October 1 | 166 days | 6a |
| Wayne | April 29 | May 12 | October 11 | September 27 | 163 days | 5b |
| York (3 mi N) | April 29 | May 9 | October 13 | September 30 | 167 days | – |
| Benkelman1 mi N | April 30 | May 12 | October 12 | September 29 | 163 days | 5b |
| Creighton | April 30 | May 11 | October 6 | September 24 | 158 days | 5a |
| Crofton | April 30 | May 13 | October 8 | September 26 | 160 days | 5a |
| Eustis2 mi NW | April 30 | May 11 | October 12 | September 28 | 165 days | 5b |
| FranklinFranklin #2 | April 30 | May 12 | October 8 | September 25 | 161 days | 6a |
| Genoa2 mi W | April 30 | May 13 | October 5 | September 22 | 157 days | 5b |
| Gothenburg | April 30 | May 13 | October 9 | September 27 | 162 days | 5b |
| Hartington | April 30 | May 13 | October 5 | September 21 | 159 days | 5b |
| Kearney4 mi NE | April 30 | May 12 | October 10 | September 25 | 162 days | 5b |
| Madison | April 30 | May 12 | October 6 | September 23 | 160 days | – |
| NorfolkNorfolk Karl Stefan Memorial Airport | April 30 | May 14 | October 5 | September 21 | 157 days | 5b |
| Osmond | April 30 | May 12 | October 6 | September 23 | 160 days | – |
| Stanton (7 mi NE) | April 30 | May 12 | October 7 | September 24 | 160 days | – |
| Valentine National Wildlife Refuge | April 30 | May 12 | October 11 | September 26 | 163 days | 5b |
| Albion | May 1 | May 12 | October 5 | September 22 | 157 days | 5b |
| Broken BowBroken Bow Municipal Airport | May 1 | May 15 | October 7 | September 23 | 157 days | 5b |
| Chambers | May 1 | May 12 | October 7 | September 24 | 159 days | – |
| Curtis | May 1 | May 13 | October 9 | September 25 | 160 days | – |
| Edison | May 1 | May 13 | October 7 | September 24 | 157 days | – |
| McCookMcCook Municipal Airport | May 1 | May 15 | October 9 | September 26 | 160 days | 6a |
| Norfolk (4 mi W) | May 1 | May 16 | October 4 | September 22 | 156 days | 5a |
| Ogallala | May 1 | May 12 | October 12 | September 29 | 163 days | 5b |
| Oxford6 mi NNW | May 1 | May 12 | October 8 | September 26 | 161 days | 5b |
| Red Cloud | May 1 | May 14 | October 5 | September 22 | 157 days | 5b |
| Walthill1 mi E | May 1 | May 15 | October 6 | September 20 | 156 days | 5a |
| Ainsworth | May 2 | May 14 | October 8 | September 25 | 158 days | 5b |
| Brady | May 2 | May 16 | October 10 | September 26 | 161 days | – |
| Concord | May 2 | May 16 | October 4 | September 20 | 154 days | 5a |
| Culbertson | May 2 | May 13 | October 9 | September 27 | 158 days | 6a |
| Holdrege | May 2 | May 15 | October 11 | September 28 | 162 days | 6a |
| ImperialImperial Municipal Airport | May 2 | May 13 | October 11 | September 27 | 160 days | 5b |
| Loup City | May 2 | May 14 | October 8 | September 25 | 158 days | 5b |
| McCook station | May 2 | May 14 | October 9 | September 26 | 159 days | – |
| Callaway8 mi WSW | May 3 | May 14 | October 6 | September 23 | 156 days | – |
| Cambridge | May 3 | May 15 | October 5 | September 24 | 156 days | 5b |
| Hayes Center1 mi NW | May 3 | May 16 | October 10 | September 27 | 159 days | 6a |
| Mason City | May 3 | May 18 | October 5 | September 23 | 153 days | 5b |
| North Platte Experiment Farm | May 3 | May 15 | October 10 | September 26 | 158 days | 5b |
| O'NeillO'neill | May 3 | May 16 | October 5 | September 22 | 155 days | 5b |
| Taylor | May 3 | May 15 | October 5 | September 23 | 153 days | – |
| Atkinson3 mi SW | May 4 | May 18 | October 4 | September 22 | 152 days | 5a |
| Bartlett1 mi W | May 4 | May 20 | October 8 | September 21 | 154 days | 5b |
| Beaver City | May 4 | May 20 | October 4 | September 22 | 150 days | 5b |
| Burwell | May 4 | May 15 | October 5 | September 24 | 154 days | 5a |
| Butte | May 4 | May 17 | October 6 | September 23 | 152 days | 5a |
| Comstock | May 4 | May 17 | October 4 | September 23 | 152 days | – |
| Hershey5 mi SSE | May 4 | May 16 | October 9 | September 23 | 156 days | 5b |
| Madrid | May 4 | May 16 | October 7 | September 26 | 156 days | 5b |
| Medicine Creek Dam | May 4 | May 17 | October 5 | September 23 | 154 days | 5b |
| Oakdale | May 4 | May 17 | October 4 | September 22 | 153 days | 5a |
| Ravenna | May 4 | May 18 | October 3 | September 22 | 150 days | 5b |
| Red Willow Dam | May 4 | May 18 | October 2 | September 19 | 149 days | 6a |
| Swan Lake | May 4 | May 19 | October 2 | September 20 | 150 days | – |
| Wallace2 mi W | May 4 | May 16 | October 4 | September 23 | 152 days | 5b |
| Whitman (5 mi ENE) | May 4 | May 16 | October 8 | September 25 | 155 days | 5b |
| Arnold4 mi WNW | May 5 | May 19 | October 3 | September 21 | 149 days | – |
| Greeley | May 5 | May 17 | October 2 | September 19 | 149 days | 5a |
| Haigler | May 5 | May 19 | October 5 | September 24 | 152 days | 5b |
| MinatareMinatare Dam (USBR) | May 5 | May 16 | October 11 | September 28 | 156 days | – |
| North Loup | May 5 | May 19 | October 3 | September 21 | 150 days | 5a |
| OrdOrd Evelyn Sharp Field | May 5 | May 19 | October 3 | September 20 | 150 days | 5a |
| ScottsbluffScottsbluff W B Heilig Field Airport | May 5 | May 18 | October 4 | September 21 | 149 days | 5a |
| Verdel6 mi SSE | May 5 | May 18 | October 2 | September 19 | 148 days | – |
| Wakefield | May 5 | May 18 | October 1 | September 17 | 148 days | 5a |
| Elsmere (9 mi ENE) | May 6 | May 19 | October 3 | September 19 | 150 days | 5a |
| Ericson8 mi WNW | May 6 | May 19 | October 2 | September 22 | 149 days | – |
| Newport | May 6 | May 20 | October 1 | September 20 | 147 days | 5a |
| Valentine #1 | May 6 | May 19 | October 4 | September 22 | 149 days | – |
| Broadwater (10 mi SSE) | May 7 | May 19 | October 9 | September 27 | 154 days | – |
| Ewing | May 7 | May 21 | September 30 | September 14 | 144 days | 5a |
| Imperial station | May 7 | May 18 | October 5 | September 24 | 150 days | 5b |
| Mitchell5 mi E | May 7 | May 21 | October 2 | September 18 | 147 days | – |
| Mullen | May 7 | May 22 | October 5 | September 22 | 150 days | – |
| Bridgeport | May 8 | May 23 | October 3 | September 21 | 147 days | 5b |
| Chappell | May 8 | May 21 | October 5 | September 20 | 149 days | – |
| Hemingford | May 8 | May 24 | October 5 | September 23 | 149 days | 5b |
| Lynch | May 8 | May 21 | October 2 | September 19 | 147 days | 4b |
| Scottsbluff (1 mi E) | May 8 | May 21 | October 3 | September 19 | 147 days | 5a |
| Sidney (6 mi NNW) | May 8 | May 20 | October 4 | September 21 | 149 days | – |
| Stapleton5 mi W | May 8 | May 24 | October 3 | September 20 | 146 days | 5b |
| Arthur | May 9 | May 22 | October 3 | September 20 | 144 days | 5b |
| Lodgepole | May 9 | May 21 | October 3 | September 19 | 145 days | 5b |
| Lodgepole No 2 | May 9 | May 21 | October 4 | September 22 | 146 days | – |
| Oshkosh | May 9 | May 22 | October 2 | September 20 | 144 days | 5a |
| Purdum | May 9 | May 22 | October 2 | September 19 | 143 days | – |
| Anselmo2 mi WSW | May 10 | May 24 | October 1 | September 18 | 143 days | 5a |
| Big Springs | May 10 | May 22 | October 3 | September 20 | 146 days | – |
| Broken Bow (2 mi W) | May 10 | May 24 | October 1 | September 18 | 142 days | 5a |
| Kilgore1 mi NE | May 10 | May 23 | September 29 | September 14 | 141 days | 5a |
| Mullen (21 mi NW) | May 10 | May 24 | October 1 | September 17 | 142 days | – |
| Oconto | May 10 | May 22 | October 1 | September 18 | 145 days | 5a |
| Springview2 mi NW | May 10 | May 23 | October 1 | September 18 | 143 days | 5a |
| Alliance (1 mi WNW) | May 11 | May 28 | October 3 | September 21 | 144 days | – |
| Gordon6 mi N | May 11 | May 26 | October 2 | September 19 | 142 days | 5a |
| North PlatteNorth Platte Regional Airport | May 11 | May 26 | October 1 | September 16 | 142 days | 5b |
| Ellsworth (15 mi NNE) | May 12 | May 26 | October 1 | September 15 | 141 days | – |
| Harrison (9 mi NE) | May 12 | May 24 | October 2 | September 16 | 141 days | – |
| ValentineValentine Miller Field Airport | May 12 | May 25 | September 29 | September 16 | 140 days | 4b |
| Broadwater3 mi WNW | May 13 | May 25 | September 28 | September 16 | 136 days | – |
| Crescent Lake National Wildlife Refuge | May 13 | May 26 | September 29 | September 16 | 139 days | 5a |
| Fort Robinson | May 13 | June 2 | September 30 | September 15 | 138 days | – |
| Merriman | May 13 | May 27 | October 1 | September 17 | 138 days | – |
| Plainsview Ranch | May 13 | May 26 | October 2 | September 20 | 142 days | – |
| Rushville | May 13 | May 25 | September 30 | September 14 | 137 days | – |
| ChadronChadron Municipal Airport | May 14 | May 27 | September 30 | September 15 | 138 days | 4b |
| Ellsworth (2 mi W) | May 14 | May 28 | October 2 | September 18 | 140 days | – |
| Hay Springs | May 14 | May 27 | September 30 | September 15 | 138 days | – |
| Lodgepole (8 mi N) | May 14 | May 31 | September 29 | September 14 | 135 days | – |
| Chadron (3 mi SW) | May 15 | May 31 | September 28 | September 13 | 133 days | 5a |
| Hay Springs (12 mi S) | May 15 | May 26 | September 24 | September 11 | 131 days | – |
| Kimball2 mi NE | May 15 | May 31 | September 26 | September 13 | 132 days | 5a |
| SidneySidney Municipal Airport | May 15 | May 30 | September 30 | September 15 | 135 days | 5b |
| Harrison (4 mi NW) | May 17 | May 31 | September 28 | September 13 | 132 days | – |
| Bridgeport (18 mi WSW) | May 19 | June 3 | September 23 | September 6 | 126 days | – |
| Harrison | May 20 | June 5 | September 21 | September 4 | 121 days | – |
| AllianceAlliance Municipal Airport | May 22 | June 5 | September 22 | September 7 | 122 days | 4b |
| Harrisburg (12 mi WNW) | May 24 | June 12 | September 20 | September 6 | 117 days | 5a |
| Bushnell (15 mi S) | May 25 | June 9 | September 21 | September 6 | 118 days | 5a |
| Harrison (20 mi SSE) | May 27 | June 14 | September 11 | August 26 | 106 days | 4b |
| Agate (3 mi E) | May 30 | June 18 | September 11 | August 26 | 103 days | 4b |
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities, growing-season length); station daily lows via ACIS (zone). Growing season: NOAA's median number of days between the last spring and first autumn 32°F night. Zone: the USDA's plant hardiness rule applied to the station's own 1991-2020 coldest nights.