| NWS Forecast for: Big Lost Highlands/Copper Basin Issued by: National Weather Service Pocatello, ID Last Update: 111 PM MDT Wed Aug 19 2026 | |
| Tonight: Mostly clear. Lows 48 to 58. Thursday: Sunny. Highs 81 to 91. Thursday Night: Partly cloudy. Lows 52 to 62. Friday: Mostly sunny. Highs 81 to 91. Friday Night: Rain showers likely and a slight chance of thunderstorms. Lows 52 to 62. Saturday: Rain showers likely and a chance of thunderstorms. Highs 73 to 83. Saturday Night: Mostly cloudy with a chance of rain showers and a slight chance of thunderstorms. Lows 48 to 58. Sunday And Sunday Night: Mostly clear. Highs 72 to 82. Lows 44 to 54. Monday: Mostly sunny with a chance of rain showers and a slight chance of thunderstorms. Highs 72 to 82. Monday Night: Partly cloudy with a slight chance of rain. Lows 46 to 56. Tuesday: Partly sunny with a chance of rain showers and a slight chance of thunderstorms. Highs 72 to 82. Tuesday Night: Mostly cloudy with a slight chance of showers and thunderstorms. Lows 46 to 56. Wednesday: Mostly sunny with a slight chance of showers and thunderstorms. Highs 72 to 82. | |
| Zone Forecast: Big Lost Highlands/Copper Basin | |
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