Challis, ID Weather & Growing Conditions
This Afternoon
41°F
Partly Sunny
Partly sunny. High near 41, with temperatures falling to around 39 in the afternoon. East southeast wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 41°F | Partly Sunny | 3 mph ESE | 0% |
| Tonight | 31°F | Mostly Cloudy | 2 mph NNW | 0% |
| Wednesday | 44°F | Mostly Sunny | 0 to 3 mph NW | 0% |
| Wednesday Night | 29°F | Mostly Clear | 3 mph SSW | 0% |
| Thursday | 40°F | Partly Sunny | 3 mph SSW | 8% |
| Thursday Night | 27°F | Areas Of Fog | 3 mph WSW | 8% |
| Friday | 43°F | Mostly Sunny | 5 mph SSW | 3% |
| Friday Night | 31°F | Partly Cloudy | 5 mph SW | 3% |
| Saturday | 48°F | Mostly Sunny | 2 mph S | 0% |
| Saturday Night | 34°F | Partly Cloudy | 2 to 15 mph S | 0% |
| Sunday | 52°F | Mostly Sunny | 5 to 9 mph SSW | 0% |
| Sunday Night | 34°F | Partly Cloudy | 2 to 6 mph SW | 1% |
| Monday | 49°F | Mostly Sunny | 3 mph SSW | 1% |
| Monday Night | 35°F | Partly Cloudy | 2 to 6 mph SW | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Challis, ID
Last spring frost
Jun 12
First fall frost
Sep 6
Growing season
85 days
Hardiness zone
5b
Explore more for Challis, ID: full frost dates · planting calendar · Idaho frost dates
Climate data from the nearest NOAA station, May 2Sse, Id (8.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.