Mountain Home AFB, ID Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mountain Home AFB, a community in Elmore County, Idaho.
This Afternoon
73°F
Chance Rain Showers
A chance of rain showers before 3pm, then a chance of rain showers and patchy smoke between 3pm and 4pm, then patchy smoke and a slight chance of rain showers between 4pm and 5pm. Mostly cloudy, with a high near 73. Northwest wind 10 to 14 mph. Chance of precipitation is 50%.
7-day forecast for Mountain Home AFB
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 73°F | Chance Rain Showers | 10 to 14 mph NW | 54% |
| Tonight | 49°F | Slight Chance Rain Showers | 6 to 10 mph NW | 20% |
| Saturday | 76°F | Mostly Sunny | 6 to 13 mph NW | 9% |
| Saturday Night | 48°F | Mostly Clear | 5 to 9 mph NNE | 0% |
| Sunday | 81°F | Sunny | 5 to 10 mph ESE | 0% |
| Sunday Night | 50°F | Mostly Clear | 0 to 6 mph ENE | 0% |
| Monday | 84°F | Sunny | 3 to 8 mph ESE | 0% |
| Monday Night | 52°F | Partly Cloudy | 5 mph NNW | 0% |
| Tuesday | 84°F | Mostly Sunny | 5 mph ENE | 0% |
| Tuesday Night | 51°F | Mostly Clear | 5 mph NNE | 0% |
| Wednesday | 86°F | Sunny | 6 to 9 mph ESE | 0% |
| Wednesday Night | 52°F | Mostly Clear | 9 mph E | 1% |
| Thursday | 88°F | Sunny | 12 to 20 mph ESE | 0% |
| Thursday Night | 56°F | Partly Cloudy | 13 to 21 mph E | 0% |
Forecast source: National Weather Service (api.weather.gov) for Mountain Home AFB (43.049, -115.866). Updated through the day.
Growing snapshot for Mountain Home AFB
Last spring frost
May 2
First fall frost
Oct 8
Growing season
157 days
Hardiness zone
7a
More local growing data for Mountain Home AFB: nearby ZIP 83648 weather · frost dates · planting calendar · Idaho frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Mtn Home, Id (9.4 mi from Mountain Home AFB). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.