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City of Challis, IDChallis, ID 7-Day Night Weather Forecast
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Challis, ID Weather Forecast
Challis, ID Weather Forecast Date: 1232 PM MDT Sun Sep 20 2026
The area/counties/county of: Lost River Valley, including: Howe, Arco, Mackay, Chilly, and Challis.or toggle through each period.
Tonight... Mostly clear. Lows 37 to 45. Light and variable winds.
Monday... Sunny. Highs 65 to 75. Light and variable winds... Becoming southeast up to 10 mph in the afternoon.
Monday Night... Increasing clouds. Lows 40 to 48. Southeast winds up to 10 mph in the evening...Becoming light and variable.
Tuesday... Mostly sunny with a slight chance of rain showers. Highs 65 to 75. Light and variable winds.
Tuesday Night... Mostly cloudy with a chance of rain showers. Lows 41 to 49. Southwest winds up to 10 mph.
Wednesday... Sunny. Highs 67 to 77.
Wednesday Night... Partly cloudy. Lows 42 to 50.
Thursday... Sunny. Highs 70 to 80.
Thursday Night... Partly cloudy. Lows 41 to 51. Highs 67 to 77.
Friday... Partly cloudy. Lows 41 to 51. Highs 67 to 77.
Saturday... Mostly sunny. Highs 61 to 71.
Saturday Night... Mostly cloudy. Lows 37 to 45.
POP = Probability of Precipitation
Challis Radar Loop
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