Frost dates for Lodgepole No. 2, NE
At Lodgepole No. 2, the median last spring frost (32°F) is May 9 and the median first fall frost is Oct 4, for a typical growing season of 146 days. For a 90% chance that the last frost has passed, wait until May 21. Nearby ZIP codes are in USDA hardiness zone 5b.
- May 9Last spring frost (median)50% chance of 32°F after this date
- May 21Safer planting date10% chance of 32°F after this date
- Oct 4First fall frost (median)50% chance of 32°F by this date
- 146 daysGrowing season (median)between 32°F freezes
Last spring frost dates
The chance that the temperature drops to the threshold after each date.
| Temperature | 90% chance later | 50% chance later | 10% chance later |
|---|---|---|---|
| 36°F | May 7 | May 18 | Jun 1 |
| 32°F | Apr 28 | May 9 | May 21 |
| 28°F | Apr 16 | Apr 30 | May 11 |
| 24°F | Apr 3 | Apr 19 | May 3 |
First fall frost dates
The chance that the temperature has dropped to the threshold by each date.
| Temperature | 10% chance by | 50% chance by | 90% chance by |
|---|---|---|---|
| 36°F | Sep 11 | Sep 25 | Oct 6 |
| 32°F | Sep 22 | Oct 4 | Oct 15 |
| 28°F | Oct 1 | Oct 13 | Oct 24 |
| 24°F | Oct 9 | Oct 21 | Nov 1 |
Growing season length
Days between the last spring and first fall freeze, as the length reached in 9, 5 and 1 out of 10 years.
| Temperature | 9 in 10 years at least | 5 in 10 years at least | 1 in 10 years at least |
|---|---|---|---|
| 36°F | 110 days | 127 days | 144 days |
| 32°F | 130 days | 146 days | 162 days |
| 28°F | 147 days | 165 days | 181 days |
| 24°F | 166 days | 184 days | 205 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 100% |
| 28°F | 100% |
| 24°F | 100% |
Closest ZIP codes (each is closer to another station)
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 69149 | 5b | -15 to -10°F | 8 km |
| 69129 | 5b | -15 to -10°F | 22 km |
| 80726 | 5b | -15 to -10°F | 28 km |
| 69141 | 5b | -15 to -10°F | 30 km |
| 69162 | 5b | -15 to -10°F | 32 km |
| 80749 | 5b | -15 to -10°F | 33 km |
| 80744 | 5b | -15 to -10°F | 37 km |
| 69154 | 5b | -15 to -10°F | 42 km |
Not the official USDA Plant Hardiness Zone Map. Zones shown here are the values published in the USDA-ARS / Oregon State University PRISM Group 2023 ZIP code tables, shown unaltered. For the official interactive map, visit planthardiness.ars.usda.gov.
About this station
- NOAA station ID USC00254906, at 41.1531, -102.6400, elevation 1181 m (3,876 ft).
- Data quality: Representative (10+ years), 12 years of freeze data.
- Average days per year at or below 32°F: 180.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Lodgepole (1 km)
- Lodgepole 8n (13 km)
- Chappell (16 km)
- Sidney Muni Airport (29 km)
- Sidney 6 NNW (33 km)
- Broadwater 10sse (36 km)
- Oshkosh (37 km)
- Dalton (39 km)
Sources
- NOAA National Centers for Environmental Information, U.S. Climate Normals 1991–2020, annual/seasonal normals by station (version 1.0.1), file dated June 27, 2023; documentation.
- USDA Agricultural Research Service and PRISM Group, Oregon State University, 2023 Plant Hardiness Zone Map ZIP code tables (CONUS, Alaska, Hawaii, Puerto Rico), files dated November 17, 2023. Data © PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed November 1, 2026. Official map: planthardiness.ars.usda.gov.
- U.S. Census Bureau, 2024 Gazetteer ZIP Code Tabulation Areas file, dated August 30, 2024 (ZIP centroids used to find the nearest station).
Freeze dates are 30-year probabilities, not forecasts. Check your local forecast before planting tender plants.