| NWS Forecast for: Arco/Mud Lake Desert Issued by: National Weather Service Pocatello, ID Last Update: 1232 PM MDT Sun Sep 20 2026 |  |
| Tonight: Mostly clear. Lows 36 to 44. Light and variable winds...becoming northeast up to 10 mph after midnight. Monday: Sunny. Highs 67 to 74. Northeast winds up to 10 mph in the morning...becoming light and variable. Monday Night: Partly cloudy. Lows 39 to 48. Light and variable winds...becoming northeast up to 10 mph after midnight. Tuesday: Mostly sunny. Highs 69 to 76. East winds up to 10 mph. Tuesday Night: Mostly cloudy with a slight chance of rain showers. Lows 42 to 50. Southwest winds up to 10 mph. Chance of precipitation 20 percent. Wednesday Through Thursday Night: Mostly clear. Highs 70 to 80. Lows 43 to 53. Friday And Friday Night: Partly cloudy. Highs 72 to 79. Lows 41 to 51. Saturday Through Sunday: Partly cloudy. Highs 65 to 73. Lows 39 to 48. | |
| Zone Forecast: Arco/Mud Lake Desert | |
Visit your local NWS office at: https://www.weather.gov/pih |