Challis, ID Weather & Growing Conditions
Tonight
46°F
Showers And Thunderstorms
Showers and thunderstorms before 9pm, then a chance of showers and thunderstorms between 9pm and 10pm, then showers and thunderstorms. Cloudy. Low around 46, with temperatures rising to around 49 overnight. Northwest wind 3 to 7 mph. Chance of precipitation is 90%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 46°F | Showers And Thunderstorms | 3 to 7 mph NW | 91% |
| Saturday | 56°F | Chance Showers And Thunderstorms | 6 mph NNW | 54% |
| Saturday Night | 44°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 5 mph NW | 19% |
| Sunday | 63°F | Mostly Sunny | 3 mph NNW | 0% |
| Sunday Night | 46°F | Mostly Clear | 5 mph ENE | 0% |
| Monday | 69°F | Sunny | 3 mph S | 0% |
| Monday Night | 48°F | Partly Cloudy | 2 mph NW | 2% |
| Tuesday | 69°F | Mostly Sunny | 2 mph WSW | 3% |
| Tuesday Night | 47°F | Partly Cloudy | 5 mph SW | 3% |
| Wednesday | 70°F | Sunny | 5 mph SSW | 1% |
| Wednesday Night | 48°F | Mostly Clear | 6 mph S | 1% |
| Thursday | 72°F | Sunny | 5 mph SSW | 1% |
| Thursday Night | 49°F | Partly Cloudy | 6 to 9 mph S | 0% |
| Friday | 72°F | Mostly Sunny | 3 to 7 mph S | 0% |
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 Sep 19, 2026.