Challis, ID Weather & Growing Conditions
Today
51°F
Chance Light Rain then Chance Showers And Thunderstorms
A chance of rain before noon, then a chance of showers and thunderstorms between noon and 5pm, then a slight chance of showers and thunderstorms. Mostly cloudy, with a high near 51. North northwest wind 3 to 7 mph. Chance of precipitation is 50%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 51°F | Chance Light Rain then Chance Showers And Thunderstorms | 3 to 7 mph NNW | 47% |
| Tonight | 43°F | Slight Chance Light Rain then Mostly Cloudy | 1 to 6 mph NE | 19% |
| Sunday | 57°F | Mostly Sunny | 1 to 5 mph NNW | 2% |
| Sunday Night | 43°F | Mostly Clear | 2 to 7 mph SE | 0% |
| Monday | 62°F | Sunny | 5 mph WSW | 0% |
| Monday Night | 46°F | Partly Cloudy | 6 mph SSE | 0% |
| Tuesday | 62°F | Mostly Sunny | 5 mph SW | 3% |
| Tuesday Night | 46°F | Partly Cloudy | 6 mph SW | 3% |
| Wednesday | 64°F | Sunny | 7 mph SSW | 3% |
| Wednesday Night | 46°F | Partly Cloudy | 5 to 10 mph SSW | 2% |
| Thursday | 65°F | Sunny | 6 to 9 mph S | 2% |
| Thursday Night | 47°F | Partly Cloudy | 7 to 14 mph S | 1% |
| Friday | 64°F | Mostly Sunny | 7 to 10 mph S | 4% |
| Friday Night | 46°F | Partly Cloudy | 8 to 13 mph SSW | 8% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Challis, ID
Last spring frost
May 14
First fall frost
Sep 25
Growing season
131 days
Hardiness zone
5b
Explore more for Challis, ID: full frost dates · planting calendar · Idaho frost dates
Climate data from the nearest NOAA station, Challis Ap, Id (14.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.