Weather forecast for 10 daysChallis, ID
Weather forecast for the weekend
Sunday Oct 18, 2026
- 68°F
- 30°F
Mostly Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 4mphNNW 337°
- Humidity: 42%
- UV index: 3
- Sunrise: 7:56 am MDT
- Sunset: 6:47 pm MDT
- details ▼
Tomorrow, in Challis, sunshine will prevail for most of the day.
Daytime will experience a high of a pleasant 68°F, significantly differing from the forecasted night low of a freezing 30.2°F.
Tomorrow, climate comparisons show a temperature closer to September's 65.7°F than October's 49.6°F.
Sunrise will be at 7:56 am and sunset at 6:47 pm; tomorrow's daylight will last for 10h and 52min.
Daytime will experience a high of a pleasant 68°F, significantly differing from the forecasted night low of a freezing 30.2°F.
Tomorrow, climate comparisons show a temperature closer to September's 65.7°F than October's 49.6°F.
Sunrise will be at 7:56 am and sunset at 6:47 pm; tomorrow's daylight will last for 10h and 52min.
10-day overview
Daily temperatures
Warmest period: tomorrow - Monday 68°C.
Coldest day: Friday 46°C.
Coldest day: Friday 46°C.
Chance of precipitation
Highest chance: Friday 60%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- min.
- 32°F
Mostly Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 4mphSW 235°
- Humidity: 56%
- UV index: 0
- Sunrise: 7:55 am MDT
- Sunset: 6:49 pm MDT
- details ▼
- Sunday
- Oct 18, 2026
- 68°F
- 30°F
Mostly Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 4mphNNW 337°
- Humidity: 42%
- UV index: 3
- Sunrise: 7:56 am MDT
- Sunset: 6:47 pm MDT
- details ▼
- Monday
- Oct 19, 2026
- 68°F
- 34°F
Mostly Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 7mphENE 67°
- Humidity: 45%
- UV index: 3
- Sunrise: 7:57 am MDT
- Sunset: 6:46 pm MDT
- details ▼
- Tuesday
- Oct 20, 2026
- 64°F
- 36°F
Partly Cloudy
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 4mphNNE 16°
- Humidity: 56%
- UV index: 3
- Sunrise: 7:58 am MDT
- Sunset: 6:44 pm MDT
- details ▼
- Wednesday
- Oct 21, 2026
- 63°F
- 37°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 4mphNNE 28°
- Humidity: 67%
- UV index: 3
- Sunrise: 8:00 am MDT
- Sunset: 6:42 pm MDT
- details ▼
- Thursday
- Oct 22, 2026
- 61°F
- 39°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0.12"
- Wind: 6mphWSW 246°
- Humidity: 74%
- UV index: 3
- Sunrise: 8:01 am MDT
- Sunset: 6:41 pm MDT
- details ▼
- Friday
- Oct 23, 2026
- 46°F
- 27°F
Showers
- Precip. probability: 60%
- Precipitation: 0.16"
- Wind: 7mphNNW 337°
- Humidity: 86%
- UV index: 2
- Sunrise: 8:02 am MDT
- Sunset: 6:39 pm MDT
- details ▼
- Saturday
- Oct 24, 2026
- 48°F
- 28°F
Partly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 5mphN 6°
- Humidity: 68%
- UV index: 3
- Sunrise: 8:04 am MDT
- Sunset: 6:37 pm MDT
- details ▼
- Sunday
- Oct 25, 2026
- 48°F
- 28°F
Partly Cloudy
- Precip. probability: 23%
- Precipitation: 0"
- Wind: 5mphNNW 338°
- Humidity: 72%
- UV index: 3
- Sunrise: 8:05 am MDT
- Sunset: 6:36 pm MDT
- details ▼
- Monday
- Oct 26, 2026
- 48°F
- 28°F
Mostly Sunny
- Precip. probability: 19%
- Precipitation: 0"
- Wind: 4mphNNW 339°
- Humidity: 68%
- UV index: 3
- Sunrise: 8:06 am MDT
- Sunset: 6:34 pm MDT
- details ▼
For the next ten days, a combination of dull, sunny and showery weather is expected.
Rain is anticipated on Thursday and Friday.
Expect a substantial fluctuation in daytime highs in the coming days. Maximum temperatures are forecasted between 46.4°F and 68°F, while the variation in nighttime lows will be also notably wide, as the lowest temperatures will be recorded between 26.6°F and 39.2°F.
The warmest days will be Sunday and Monday, with a maximum of 68°F; Friday will be the coldest day, with the highest temperature of 46.4°F.
Rain is anticipated on Thursday and Friday.
Expect a substantial fluctuation in daytime highs in the coming days. Maximum temperatures are forecasted between 46.4°F and 68°F, while the variation in nighttime lows will be also notably wide, as the lowest temperatures will be recorded between 26.6°F and 39.2°F.
The warmest days will be Sunday and Monday, with a maximum of 68°F; Friday will be the coldest day, with the highest temperature of 46.4°F.
Updated: Oct 18, 2026 @ 03:02:50 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
Tomorrow, in Challis, sunshine will dominate, with only occasional cloud cover.
Tomorrow, the highest temperature will be 68°F, while the lowest temperature will be 30.2°F.
The highest temperature will be notably higher than the average maximum of 49.6°F in October. Tomorrow, the lowest temperature will be in line with the average low temperature.
The highest temperature will be notably higher than the average maximum of 49.6°F in October. Tomorrow, the lowest temperature will be in line with the average low temperature.
On Sunday, in Challis, sunrise will be at 7:56 am and sunset at 6:47 pm (MDT).
In Challis, tomorrow, there will be 10h and 52min of daylight.





