| NWS Forecast for: Marsh and Arbon Highlands Issued by: National Weather Service Pocatello, ID Last Update: 1232 PM MDT Tue Oct 20 2026 |  |
| Tonight: Mostly clear. A slight chance of rain after midnight. Lows 39 to 49. Wednesday: Sunny. Highs 62 to 71. Wednesday Night: Partly cloudy. Lows 40 to 50. Thursday: Mostly sunny with a slight chance of showers and thunderstorms. Highs 62 to 71. Thursday Night: Rain showers and a slight chance of thunderstorms. Colder. Lows 37 to 45. Friday: Rain showers and a slight chance of thunderstorms. Highs 42 to 51. Friday Night: Mostly cloudy with a slight chance of rain and snow. Lows 29 to 39. Saturday: Mostly sunny. Highs 43 to 53. Saturday Night Through Monday: Mostly clear. Lows 29 to 39. Highs 49 to 59. Monday Night: Partly cloudy. Lows 31 to 41. Tuesday: Mostly sunny with a slight chance of rain. Highs 51 to 60. | |
| Zone Forecast: Marsh and Arbon Highlands | |
Visit your local NWS office at: https://www.weather.gov/pih |