| NWS Forecast for: Arco ID Issued by: National Weather Service Pocatello, ID Last Update: 5:31 am MDT Oct 12, 2026 |  |
| Columbus Day: Rain, possibly mixed with snow before 11am, then a chance of rain between 11am and 2pm. High near 48. Southeast wind around 6 mph becoming calm. Chance of precipitation is 90%. Little or no snow accumulation expected. Tonight: A slight chance of rain and snow before 3am, then a slight chance of rain and snow after 4am. Mostly cloudy, with a low around 29. Calm wind becoming north northwest 5 to 7 mph after midnight. Chance of precipitation is 20%. Tuesday: A slight chance of rain and snow, mainly between 10am and 11am. Cloudy, then gradually becoming mostly sunny, with a high near 54. North northwest wind 5 to 7 mph becoming light and variable. Chance of precipitation is 20%. Tuesday Night: Partly cloudy, with a low around 27. North northwest wind 5 to 7 mph. Wednesday: Sunny, with a high near 57. Calm wind becoming south southwest around 6 mph in the afternoon. Wednesday Night: Mostly clear, with a low around 30. Thursday: Sunny, with a high near 61. Thursday Night: Clear, with a low around 31. Friday: Sunny, with a high near 62. Friday Night: Clear, with a low around 31. Saturday: Sunny, with a high near 64. Saturday Night: Mostly clear, with a low around 32. Sunday: Sunny, with a high near 65. | |
| Arco ID 43.62°N 113.3°W (Elev. 5364 ft) | |
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