Elk River, ID Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Elk River, a city in Clearwater County, Idaho.
Tonight
31°F
Mostly Cloudy
Mostly cloudy, with a low around 31. North wind around 1 mph.
7-day forecast for Elk River
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 31°F | Mostly Cloudy | 1 mph N | 2% |
| Wednesday | 51°F | Sunny | 2 mph SW | 0% |
| Wednesday Night | 32°F | Partly Cloudy then Light Rain Likely | 1 mph NE | 68% |
| Thursday | 45°F | Light Rain Likely | 2 mph SSE | 68% |
| Thursday Night | 31°F | Partly Cloudy | 3 mph E | 4% |
| Friday | 48°F | Partly Sunny | 3 mph ESE | 11% |
| Friday Night | 36°F | Mostly Cloudy | 2 mph ESE | 11% |
| Saturday | 57°F | Partly Sunny | 3 mph ESE | 4% |
| Saturday Night | 38°F | Mostly Cloudy then Chance Light Rain | 3 mph E | 34% |
| Sunday | 54°F | Chance Light Rain | 5 mph SSE | 34% |
| Sunday Night | 37°F | Mostly Cloudy | 3 mph E | 12% |
| Monday | 53°F | Mostly Cloudy then Slight Chance Light Rain | 3 mph ENE | 20% |
| Monday Night | 38°F | Slight Chance Light Rain | 2 mph ENE | 20% |
| Tuesday | 55°F | Chance Light Rain | 2 mph ESE | 26% |
Forecast source: National Weather Service (api.weather.gov) for Elk River (46.783, -116.181). Updated through the day.
Growing snapshot for Elk River
Last spring frost
May 16
First fall frost
Sep 23
Growing season
128 days
Hardiness zone
6b
More local growing data for Elk River: nearby ZIP 83827 weather · frost dates · planting calendar · Idaho frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Elk Rvr, Id (0.4 mi from Elk River). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.