| NWS Forecast for: Big Lost Highlands/Copper Basin Issued by: National Weather Service Pocatello, ID Last Update: 202 AM MDT Sun Jul 5 2026 |  |
| Today: Sunny in the morning...then mostly cloudy with a slight chance of showers and thunderstorms in the afternoon. Highs 78 to 88. Tonight: Mostly cloudy. Lows 50 to 60. Monday: Mostly cloudy. A chance of showers and thunderstorms in the afternoon. Highs 71 to 81. Monday Night: Partly cloudy with a chance of rain showers and a slight chance of thunderstorms. Colder. Lows 45 to 55. Tuesday: Mostly sunny with a slight chance of showers and thunderstorms. Highs 74 to 84. Tuesday Night: Partly cloudy. Lows 49 to 59. Wednesday And Wednesday Night: Mostly clear. Highs 75 to 85. Lows 46 to 56. Thursday And Thursday Night: Clear. Highs 73 to 83. Lows 46 to 56. Friday: Sunny. Highs 79 to 89. Friday Night And Saturday: Mostly clear. Lows 51 to 61. Highs 80 to 90. | |
| Zone Forecast: Big Lost Highlands/Copper Basin | |
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