Challis, ID Monthly Weather

Custer County9:21 AM MDT44.50°N, 114.23°WElevation 5,253 ft
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October 2026

Sun
Mon
Tue
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Sat
177°/41°Avg 67°/37°
282°/38°Avg 67°/37°
378°/40°Avg 66°/36°
480°/37°Avg 66°/36°
582°/43°Avg 65°/36°
681°/39°Avg 64°/35°
779°/36°Avg 64°/35°
879°/36°Avg 63°/34°
981°/39°Avg 63°/34°
1069°/46°<0.01 inAvg 62°/34°
1151°/35°0.33 inAvg 62°/33°
1246°/35°<0.01 inAvg 61°/33°
1355°/29°Avg 60°/33°
1459°/28°Avg 60°/32°
1559°/26°Avg 59°/32°
1664°/27°Avg 58°/32°
1766°/27°Avg 58°/31°
1869°/32°Avg 57°/31°
19Avg 57°/30°
20Avg 56°/30°
21Avg 56°/30°
22 Mostly Sunny 66°/41°Avg 55°/29°
23 Rain 50°/30°Avg 54°/29°
24 Mostly Sunny 50°/28°Avg 54°/29°
25 Sunny 55°/30°Avg 53°/28°
26 Mostly Sunny 55°/29°Avg 53°/28°
27 Slight Chance Light Snow 53°/28°Avg 52°/28°
28 Mostly Sunny 53°/29°Avg 51°/27°
29 Sunny 45°/29°Avg 51°/27°
30 Partly cloudy 50°/32°Avg 50°/27°
31 Cloudy 49°/32°Avg 50°/26°
Average high70° (normal 62°)
Average low35° (normal 34°)
Warmest / coldest82° / 26°
Precipitation0.34 in (normal 0.35 in to date)
Record high today70° (2021)
Record low today17° (2008)

Observed: Challis Airport, 2 km away, records since 1998. Normals 1991–2020. Climate data from NOAA's Regional Climate Centers (ACIS); recent days are preliminary. Days ahead: the forecast.

Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Conservative index and reflects what the press published. Terms of use.