| NWS Forecast for: Lost River Valleys Issued by: National Weather Service Pocatello, ID Last Update: 1232 PM MDT Mon Aug 17 2026 | |
| Tonight: Mostly cloudy. A slight chance of rain in the evening. Lows 51 to 59. Northwest winds up to 10 mph in the evening... Becoming light and variable. Tuesday: Partly sunny. Highs 75 to 85. Light and variable winds...becoming west around 10 mph in the afternoon. Tuesday Night: Mostly cloudy in the evening then clearing. Lows 49 to 57. Northwest winds up to 10 mph in the evening...becoming light and variable. Wednesday: Sunny. Highs 78 to 88. West winds up to 10 mph. Wednesday Night: Mostly clear. Lows 52 to 61. West winds up to 10 mph. Thursday: Sunny. Highs 82 to 92. Thursday Night: Partly cloudy with a slight chance of rain. Lows 55 to 64. Friday: Mostly sunny with a slight chance of showers and thunderstorms. Highs 83 to 93. Friday Night: Mostly cloudy with a chance of rain showers and a slight chance of thunderstorms. Lows 56 to 64. Saturday: Partly sunny with a chance of rain showers and a slight chance of thunderstorms. Highs 78 to 88. Saturday Night: Partly cloudy with a slight chance of rain. Lows 51 to 60. Sunday: Mostly sunny with a slight chance of showers and thunderstorms. Highs 74 to 84. Sunday Night: Partly cloudy. Lows 50 to 58. Monday: Mostly sunny with a slight chance of showers and thunderstorms. Highs 73 to 83. | |
| Zone Forecast: Lost River Valleys | |
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