Heyburn, ID Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Heyburn, a city in Minidoka County, Idaho.
Today
83°F
Areas Of Smoke
Areas of smoke after 10am. Sunny. High near 83, with temperatures falling to around 81 in the afternoon. West southwest wind 5 to 12 mph, with gusts as high as 22 mph.
7-day forecast for Heyburn
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Areas Of Smoke | 5 to 12 mph WSW | 0% |
| Tonight | 50°F | Areas Of Smoke | 6 to 13 mph WSW | 0% |
| Wednesday | 90°F | Areas Of Smoke | 3 to 10 mph SW | 0% |
| Wednesday Night | 55°F | Mostly Clear | 5 to 10 mph SW | 0% |
| Thursday | 96°F | Sunny | 2 to 8 mph NNE | 0% |
| Thursday Night | 60°F | Clear | 3 to 10 mph WSW | 0% |
| Friday | 98°F | Sunny | 2 to 9 mph WSW | 0% |
| Friday Night | 61°F | Mostly Clear | 5 to 14 mph WSW | 0% |
| Saturday | 98°F | Sunny | 2 to 8 mph W | 0% |
| Saturday Night | 62°F | Mostly Clear | 5 to 13 mph W | 0% |
| Sunday | 95°F | Sunny | 5 to 12 mph W | 1% |
| Sunday Night | 61°F | Mostly Clear | 5 to 13 mph WSW | 0% |
| Monday | 93°F | Sunny | 5 to 10 mph W | 1% |
| Monday Night | 60°F | Mostly Clear | 5 to 13 mph WSW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Heyburn (42.560, -113.762). Updated through the day.
Growing snapshot for Heyburn
Last spring frost
May 7
First fall frost
Oct 4
Growing season
150 days
Hardiness zone
6b
More local growing data for Heyburn: nearby ZIP 83336 weather · frost dates · planting calendar · Idaho frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Burley Muni Ap, Id (3.4 mi from Heyburn). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.