Nebraska frost dates
Across 184 weather stations in Nebraska, the median last spring frost runs from Apr 15 in Valley to May 30 in Agate, and the first fall frost from Sep 11 to Oct 21.
Nebraska at a glance
- Weather stations
- 184
- Earliest last frost
- Apr 15 Valley
- Latest last frost
- May 30 Agate
- Longest season
- 187 days Valley
- Typical season
- about 157 frost-free days
- Hardiness zones
- Zones 5a to 6a
Frost dates by weather station
| Weather station | Last spring frost | First fall frost | Frost-free days | Zone |
|---|---|---|---|---|
| Agate | May 30 | Sep 11 | 103 | 5a |
| Ainsworth | May 2 | Oct 8 | 158 | 5b |
| Albion | May 1 | Oct 5 | 157 | 5b |
| Alliance | May 11 | Oct 3 | 144 | 5a |
| Alliance Municipal Airport | May 22 | Sep 22 | 122 | 5a |
| Anselmo | May 10 | Oct 1 | 143 | 5a |
| Arnold | May 5 | Oct 3 | 149 | 5a |
| Arthur | May 9 | Oct 3 | 144 | 5b |
| Ashland | Apr 23 | Oct 16 | 175 | 5b |
| Atkinson | May 4 | Oct 4 | 152 | 5a |
| Auburn | Apr 24 | Oct 10 | 167 | 5b |
| Aurora | Apr 21 | Oct 15 | 176 | 5b |
| Bartlett | May 4 | Oct 8 | 154 | 5a |
| Beatrice | Apr 24 | Oct 15 | 172 | 6a |
| Beaver City | May 4 | Oct 4 | 150 | 5b |
| Benkelman | Apr 30 | Oct 12 | 163 | 5b |
| Big Springs | May 10 | Oct 3 | 146 | 5b |
| Blair | Apr 22 | Oct 17 | 177 | 5b |
| Brady | May 2 | Oct 10 | 161 | 5b |
| Bridgeport | May 8 | Oct 3 | 147 | 5a |
| Bridgeport 18 mi WSW | May 19 | Sep 23 | 126 | 5a |
| Broadwater 10 mi SSE | May 7 | Oct 9 | 154 | 5a |
| Broadwater 3 mi WNW | May 13 | Sep 28 | 136 | 5a |
| Broken Bow | May 10 | Oct 1 | 142 | 5b |
| Broken Bow Municipal Airport | May 1 | Oct 7 | 157 | 5b |
| Burwell | May 4 | Oct 5 | 154 | 5a |
| Bushnell | May 25 | Sep 21 | 118 | 5a |
| Butte | May 4 | Oct 6 | 152 | 5a |
| Callaway | May 3 | Oct 6 | 156 | 5b |
| Cambridge | May 3 | Oct 5 | 156 | 5b |
| Canaday Steam Plant | Apr 26 | Oct 13 | 169 | 5b |
| Central City | Apr 28 | Oct 10 | 165 | 5b |
| Chadron | May 15 | Sep 28 | 133 | 5a |
| Chadron Municipal Airport | May 14 | Sep 30 | 138 | 5a |
| Chambers | May 1 | Oct 7 | 159 | 5a |
| Chappell | May 8 | Oct 5 | 149 | 5b |
| Clarkson | Apr 27 | Oct 10 | 165 | 5b |
| Clay Center | Apr 19 | Oct 20 | 181 | 6a |
| Columbus | Apr 21 | Oct 15 | 174 | 5b |
| Comstock | May 4 | Oct 4 | 152 | 5b |
| Concord | May 2 | Oct 4 | 154 | 5a |
| Creighton | Apr 30 | Oct 6 | 158 | 5a |
| Crescent Lake Wildlife Refuge | May 13 | Sep 29 | 139 | 5a |
| Crete | Apr 23 | Oct 12 | 170 | 6a |
| Crofton | Apr 30 | Oct 8 | 160 | 5a |
| Culbertson | May 2 | Oct 9 | 158 | 5b |
| Curtis | May 1 | Oct 9 | 160 | 5b |
| Dalton | Apr 28 | Oct 13 | 166 | 5b |
| David City | Apr 26 | Oct 11 | 168 | 5b |
| Edison | May 1 | Oct 7 | 157 | 6a |
| Elgin | Apr 29 | Oct 9 | 162 | 5b |
| Ellsworth 15 mi NNE | May 12 | Oct 1 | 141 | 5a |
| Ellsworth 2 mi W | May 14 | Oct 2 | 140 | 5a |
| Elsmere | May 6 | Oct 3 | 150 | 5b |
| Ericson | May 6 | Oct 2 | 149 | 5a |
| Eustis | Apr 30 | Oct 12 | 165 | 5b |
| Ewing | May 7 | Sep 30 | 144 | 5a |
| Fairbury | Apr 25 | Oct 15 | 169 | 6a |
| Fairmont | Apr 25 | Oct 14 | 170 | 5b |
| Falls City | Apr 18 | Oct 14 | 177 | 6a |
| Falls City Brenner Field | Apr 18 | Oct 17 | 180 | 6a |
| Fort Calhoun | Apr 19 | Oct 17 | 180 | 5b |
| Fort Robinson | May 13 | Sep 30 | 138 | 5a |
| Franklin | Apr 30 | Oct 8 | 161 | 6a |
| Fremont | Apr 23 | Oct 15 | 172 | 5b |
| Friend | Apr 26 | Oct 13 | 169 | 6a |
| Geneva | Apr 20 | Oct 18 | 178 | 6a |
| Genoa | Apr 30 | Oct 5 | 157 | 5b |
| Gordon | May 11 | Oct 2 | 142 | 5a |
| Gothenburg | Apr 30 | Oct 9 | 162 | 5b |
| Grand Island Airport | Apr 23 | Oct 15 | 174 | 5b |
| Greeley | May 5 | Oct 2 | 149 | 5a |
| Gretna | Apr 21 | Oct 18 | 179 | 6a |
| Haigler | May 5 | Oct 5 | 152 | 5b |
| Harlan County Lake | Apr 25 | Oct 14 | 170 | 6a |
| Harrisburg | May 24 | Sep 20 | 117 | 5a |
| Harrison | May 20 | Sep 21 | 121 | 5a |
| Harrison 20 mi SSE | May 27 | Sep 11 | 106 | 5a |
| Harrison 4 mi NW | May 17 | Sep 28 | 132 | 5a |
| Harrison 9 mi NE | May 12 | Oct 2 | 141 | 5a |
| Hartington | Apr 30 | Oct 5 | 159 | 5b |
| Hastings | Apr 25 | Oct 14 | 171 | 6a |
| Hastings Municipal Airport | Apr 22 | Oct 16 | 176 | 6a |
| Hay Springs | May 14 | Sep 30 | 138 | 5a |
| Hay Springs 12 mi S | May 15 | Sep 24 | 131 | 5a |
| Hayes Center | May 3 | Oct 10 | 159 | 5b |
| Hebron | Apr 24 | Oct 15 | 172 | 6a |
| Hemingford | May 8 | Oct 5 | 149 | 5a |
| Hershey | May 4 | Oct 9 | 156 | 5b |
| Holdrege | May 2 | Oct 11 | 162 | 6a |
| Howells | Apr 25 | Oct 11 | 168 | 5b |
| Imperial | May 7 | Oct 5 | 150 | 5b |
| Imperial Municipal Airport | May 2 | Oct 11 | 160 | 5b |
| Kearney | Apr 30 | Oct 10 | 162 | 5b |
| Kilgore | May 10 | Sep 29 | 141 | 5a |
| Kimball | May 15 | Sep 26 | 132 | 5a |
| Kingsley Dam | Apr 22 | Oct 18 | 176 | 5b |
| Lincoln 11 mi SW | Apr 22 | Oct 14 | 174 | 6a |
| Lincoln 8 mi ENE | Apr 27 | Oct 10 | 164 | 6a |
| Lincoln Municipal Airport | Apr 24 | Oct 13 | 171 | 6a |
| Lodgepole | May 9 | Oct 3 | 145 | 5b |
| Lodgepole 8 mi N | May 14 | Sep 29 | 135 | 5b |
| Lodgepole No. 2 | May 9 | Oct 4 | 146 | 5b |
| Loup City | May 2 | Oct 8 | 158 | 5b |
| Lynch | May 8 | Oct 2 | 147 | 5a |
| Madison | Apr 30 | Oct 6 | 160 | 5b |
| Madrid | May 4 | Oct 7 | 156 | 5b |
| Mason City | May 3 | Oct 5 | 153 | 5b |
| McCook | May 2 | Oct 9 | 159 | 6a |
| McCook Municipal Airport | May 1 | Oct 9 | 160 | 6a |
| Mead | Apr 25 | Oct 13 | 170 | 5b |
| Medicine Creek Dam | May 4 | Oct 5 | 154 | 5b |
| Merriman | May 13 | Oct 1 | 138 | 5a |
| Minatare Dam (usbr) | May 5 | Oct 11 | 156 | 5a |
| Minden | Apr 26 | Oct 12 | 168 | 5b |
| Mitchell | May 7 | Oct 2 | 147 | 5a |
| Mullen | May 7 | Oct 5 | 150 | 5b |
| Mullen 21 mi NW | May 10 | Oct 1 | 142 | 5b |
| Nebraska City | Apr 18 | Oct 19 | 182 | 6a |
| Newport | May 6 | Oct 1 | 147 | 5a |
| Niobrara | Apr 25 | Oct 13 | 170 | 5a |
| Norfolk | May 1 | Oct 4 | 156 | 5b |
| Norfolk Karl Stefan Airport | Apr 30 | Oct 5 | 157 | 5b |
| North Loup | May 5 | Oct 3 | 150 | 5b |
| North Platte Experiment Farm | May 3 | Oct 10 | 158 | 5b |
| North Platte Regional Airport | May 11 | Oct 1 | 142 | 5b |
| O'neill | May 3 | Oct 5 | 155 | 5b |
| Oakdale | May 4 | Oct 4 | 153 | 5a |
| Oconto | May 10 | Oct 1 | 145 | 5a |
| Ogallala | May 1 | Oct 12 | 163 | 5b |
| Omaha | Apr 16 | Oct 18 | 183 | 5b |
| Omaha Eppley Airfield | Apr 18 | Oct 21 | 185 | 6a |
| Ord Evelyn Sharp Field | May 5 | Oct 3 | 150 | 5b |
| Osceola | Apr 25 | Oct 14 | 170 | 5b |
| Oshkosh | May 9 | Oct 2 | 144 | 5b |
| Osmond | Apr 30 | Oct 6 | 160 | 5a |
| Oxford | May 1 | Oct 8 | 161 | 6a |
| Pawnee City | Apr 22 | Oct 15 | 173 | 6a |
| Plainsview Ranch | May 13 | Oct 2 | 142 | 5a |
| Purdum | May 9 | Oct 2 | 143 | 5b |
| Ragan | Apr 24 | Oct 18 | 174 | 6a |
| Ravenna | May 4 | Oct 3 | 150 | 5b |
| Raymond | Apr 22 | Oct 16 | 175 | 5b |
| Red Cloud | May 1 | Oct 5 | 157 | 5b |
| Red Willow Dam | May 4 | Oct 2 | 149 | 6a |
| Rushville | May 13 | Sep 30 | 137 | 5a |
| Saint Paul | Apr 23 | Oct 14 | 172 | 5b |
| Scottsbluff | May 8 | Oct 3 | 147 | 5a |
| Scottsbluff Heilig Airport | May 5 | Oct 4 | 149 | 5a |
| Seward | Apr 26 | Oct 12 | 169 | 5b |
| Sidney | May 8 | Oct 4 | 149 | 5b |
| Sidney Municipal Airport | May 15 | Sep 30 | 135 | 5b |
| Springfield | Apr 17 | Oct 19 | 183 | 6a |
| Springview | May 10 | Oct 1 | 143 | 5a |
| Stanton | Apr 28 | Oct 9 | 164 | 5b |
| Stanton 7 mi NE | Apr 30 | Oct 7 | 160 | 5b |
| Stapleton | May 8 | Oct 3 | 146 | 5b |
| Superior | Apr 29 | Oct 10 | 162 | 6a |
| Surprise | Apr 29 | Oct 9 | 163 | 5b |
| Swan Lake | May 4 | Oct 2 | 150 | 5a |
| Syracuse | Apr 25 | Oct 11 | 168 | 5b |
| Table Rock | Apr 23 | Oct 13 | 172 | 6a |
| Taylor | May 3 | Oct 5 | 153 | 5a |
| Tecumseh | Apr 26 | Oct 10 | 164 | 5b |
| Tekamah | Apr 28 | Oct 10 | 165 | 5b |
| Tekamah Municipal Airport | Apr 23 | Oct 8 | 166 | 5b |
| Trenton Dam | Apr 29 | Oct 13 | 166 | 6a |
| Valentine | May 6 | Oct 4 | 149 | 5a |
| Valentine Miller Field | May 12 | Sep 29 | 140 | 5a |
| Valentine Wildlife Refuge | Apr 30 | Oct 11 | 163 | 5a |
| Valley | Apr 15 | Oct 21 | 187 | 5b |
| Verdel | May 5 | Oct 2 | 148 | 5a |
| Virginia | Apr 22 | Oct 20 | 179 | 6a |
| Wahoo | Apr 23 | Oct 15 | 172 | 5b |
| Wakefield | May 5 | Oct 1 | 148 | 5a |
| Wallace | May 4 | Oct 4 | 152 | 5b |
| Walthill | May 1 | Oct 6 | 156 | 5a |
| Wayne | Apr 29 | Oct 11 | 163 | 5a |
| Weeping Water | Apr 23 | Oct 16 | 175 | 6a |
| West Point | Apr 28 | Oct 12 | 165 | 5b |
| Weston | Apr 23 | Oct 13 | 174 | 5b |
| Whitman | May 4 | Oct 8 | 155 | 5b |
| York | Apr 22 | Oct 18 | 178 | 5b |
| York 3 mi N | Apr 29 | Oct 13 | 167 | 5b |
Median dates from NOAA 1991–2020 climate normals. How to read them.