FPUS55 KPIH 181902 ZFPPIH Zone Forecast Product FOR Idaho National Weather Service Pocatello ID 102 PM MDT Thu Jun 18 2026 This forecast may not be representative of the exact location you are interested in. For a site-specific forecast, please visit weather.gov/Pocatello and click the map on the main page. IDZ072-191000- Sawtooth/Stanley Basin- Including Stanley 102 PM MDT Thu Jun 18 2026 .TONIGHT...Mostly cloudy. Lows 39 to 49. .JUNETEENTH...Sunny. Highs 75 to 85. .FRIDAY NIGHT...Mostly cloudy. A chance of rain after midnight. Lows 43 to 53. .SATURDAY...Rain showers likely and a chance of thunderstorms. Highs 64 to 74. .SATURDAY NIGHT...Partly cloudy with a slight chance of rain. Colder. Lows 36 to 46. .SUNDAY AND SUNDAY NIGHT...Clear. Highs 68 to 78. Lows 34 to 44. .MONDAY THROUGH TUESDAY...Clear. Highs 74 to 84. Lows 37 to 47. .TUESDAY NIGHT...Mostly clear. Lows 41 to 51. .WEDNESDAY...Sunny. Highs 76 to 86. .WEDNESDAY NIGHT...Mostly clear. Lows 40 to 50. .THURSDAY...Sunny. Highs 73 to 83. $$ IDZ073-191000- Sun Valley Region- Including Ketchum, Sun Valley, and Galena 102 PM MDT Thu Jun 18 2026 .TONIGHT...Mostly cloudy. Lows 44 to 54. .JUNETEENTH...Sunny. Highs 76 to 86. .FRIDAY NIGHT...Mostly cloudy. A slight chance of rain after midnight. Lows 48 to 58. .SATURDAY...Rain showers likely and a chance of thunderstorms. Highs 68 to 77. .SATURDAY NIGHT...Partly cloudy. Colder. Lows 39 to 49. .SUNDAY...Sunny. Highs 70 to 80. .SUNDAY NIGHT THROUGH TUESDAY...Clear. Lows 40 to 50. Highs 75 to 85. .TUESDAY NIGHT...Mostly clear. Lows 45 to 55. .WEDNESDAY...Sunny. Highs 78 to 88. .WEDNESDAY NIGHT...Mostly clear. Lows 45 to 55. .THURSDAY...Sunny. Highs 75 to 85. $$ IDZ052-053-191000- Arco/Mud Lake Desert-Upper Snake River Plain- Including Mud Lake, INL, Craters of the Moon NM, Idaho Falls, Rexburg, and St. Anthony 102 PM MDT Thu Jun 18 2026 .TONIGHT...Partly cloudy. Lows 47 to 55. South winds 10 to 15 mph...shifting to northeast after midnight. .JUNETEENTH...Mostly sunny. Highs 82 to 90. Northeast winds around 10 mph...shifting to southwest in the afternoon. .FRIDAY NIGHT...Mostly cloudy. Lows 54 to 63. Southwest winds around 10 mph. .SATURDAY...Mostly cloudy with a chance of showers and thunderstorms. Highs 75 to 82. Southwest winds 10 to 15 mph. Chance of precipitation 50 percent. .SATURDAY NIGHT...Mostly cloudy with a chance of rain showers and a slight chance of thunderstorms. Cooler. Lows 45 to 52. Northwest winds around 10 mph. Chance of precipitation 50 percent. .SUNDAY AND SUNDAY NIGHT...Mostly clear. Highs 74 to 83. Lows 44 to 51. .MONDAY THROUGH TUESDAY...Clear. Highs 78 to 88. Lows 45 to 52. .TUESDAY NIGHT...Mostly clear. Lows 49 to 57. .WEDNESDAY...Sunny. Highs 84 to 92. .WEDNESDAY NIGHT...Mostly clear. Lows 49 to 57. .THURSDAY...Sunny. Highs 82 to 90. $$ IDZ051-191000- Shoshone/Lava Beds- Including Shoshone, Richfield, and Carey 102 PM MDT Thu Jun 18 2026 .TONIGHT...Decreasing clouds. Lows 48 to 55. West winds 10 to 15 mph...shifting to southwest after midnight. .JUNETEENTH...Sunny. Highs 87 to 94. East winds up to 10 mph... shifting to southwest around 10 mph in the afternoon. .FRIDAY NIGHT...Cloudy. Lows 58 to 65. West winds around 10 mph. .SATURDAY...Partly sunny with a slight chance of rain. Breezy. Highs 78 to 85. West winds 15 to 25 mph. Chance of precipitation 20 percent. .SATURDAY NIGHT...Partly cloudy. Cooler. Lows 47 to 54. Northwest winds 10 to 15 mph. .SUNDAY...Sunny. Highs 79 to 86. .SUNDAY NIGHT THROUGH TUESDAY...Clear. Lows 45 to 55. Highs 83 to 93. .TUESDAY NIGHT THROUGH THURSDAY...Clear. Lows 53 to 61. Highs 86 to 96. $$ IDZ056-057-191000- Southern Hills/Albion Mountains-Raft River Region- Including Albion, Almo, Malta, Rockland, and Holbrook 102 PM MDT Thu Jun 18 2026 .TONIGHT...Partly cloudy. Lows 51 to 61. West winds up to 10 mph. .JUNETEENTH...Mostly sunny. Highs 86 to 94. Light and variable winds...becoming west around 10 mph in the afternoon. .FRIDAY NIGHT...Cloudy. Lows 59 to 67. West winds around 10 mph. .SATURDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs 77 to 86. West winds 10 to 20 mph. .SATURDAY NIGHT...Mostly clear. Cooler. Lows 50 to 60. West winds 10 to 15 mph. .SUNDAY AND SUNDAY NIGHT...Mostly clear. Highs 78 to 86. Lows 50 to 59. .MONDAY AND MONDAY NIGHT...Clear. Highs 81 to 89. Lows 51 to 60. .TUESDAY THROUGH WEDNESDAY...Clear. Highs 86 to 95. Lows 56 to 66. .WEDNESDAY NIGHT...Mostly clear. Lows 56 to 66. .THURSDAY...Sunny. Highs 86 to 93. $$ IDZ058-059-191000- Marsh and Arbon Highlands-Franklin/Eastern Oneida Region- Including Inkom, McCammon, Downey, Lava Hot Springs, Malad, Preston, and Thatcher 102 PM MDT Thu Jun 18 2026 .TONIGHT...Decreasing clouds. Lows 48 to 58. .JUNETEENTH...Mostly sunny. Highs 82 to 92. .FRIDAY NIGHT...Mostly cloudy. Lows 56 to 66. .SATURDAY...Partly sunny with a slight chance of showers and thunderstorms. Highs 74 to 84. .SATURDAY NIGHT...Partly cloudy. Cooler. Lows 46 to 56. .SUNDAY AND SUNDAY NIGHT...Mostly clear. Highs 74 to 84. Lows 46 to 56. .MONDAY AND MONDAY NIGHT...Clear. Highs 77 to 87. Lows 47 to 57. .TUESDAY THROUGH WEDNESDAY...Clear. Highs 84 to 94. Lows 51 to 61. .WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows 52 to 62. Highs 82 to 92. $$ IDZ054-191000- Lower Snake River Plain- Including Pocatello, Blackfoot, American Falls, Shelley, and Fort Hall 102 PM MDT Thu Jun 18 2026 .TONIGHT...Mostly cloudy. Lows 48 to 57. Southwest winds 10 to 15 mph. .JUNETEENTH...Mostly sunny. Highs 82 to 92. Northeast winds up to 10 mph...shifting to southwest around 10 mph in the afternoon. .FRIDAY NIGHT...Cloudy. Lows 57 to 66. Southwest winds around 10 mph. .SATURDAY...Partly sunny with a slight chance of rain. Highs 76 to 85. Southwest winds 10 to 20 mph. Chance of precipitation 20 percent. .SATURDAY NIGHT...Mostly cloudy. Cooler. Lows 47 to 55. West winds 10 to 15 mph. .SUNDAY AND SUNDAY NIGHT...Mostly clear. Highs 76 to 85. Lows 46 to 55. .MONDAY THROUGH TUESDAY...Clear. Highs 80 to 90. Lows 47 to 55. .TUESDAY NIGHT...Mostly clear. Lows 52 to 61. .WEDNESDAY...Sunny. Highs 85 to 95. .WEDNESDAY NIGHT...Mostly clear. Lows 52 to 61. .THURSDAY...Sunny. Highs 82 to 92. $$ IDZ075-191000- Wood River Foothills- Including Hailey, Bellevue, and Picabo 102 PM MDT Thu Jun 18 2026 .TONIGHT...Decreasing clouds. Lows 48 to 58. West winds 10 to 15 mph...shifting to north after midnight. .JUNETEENTH...Sunny. Highs 79 to 89. East winds up to 10 mph... shifting to southwest in the afternoon. .FRIDAY NIGHT...Mostly cloudy. A slight chance of rain after midnight. Lows 55 to 65. Northwest winds 10 to 15 mph. .SATURDAY...Mostly cloudy with a chance of showers and thunderstorms. Highs 70 to 80. West winds 10 to 15 mph. .SATURDAY NIGHT...Partly cloudy. Colder. Lows 44 to 54. Northwest winds 10 to 15 mph. .SUNDAY...Sunny. Highs 72 to 82. .SUNDAY NIGHT THROUGH MONDAY NIGHT...Clear. Lows 46 to 56. Highs 75 to 85. .TUESDAY THROUGH THURSDAY...Clear. Highs 80 to 90. Lows 52 to 62. $$ IDZ069-191000- Lost River Range- Including Borah Peak 102 PM MDT Thu Jun 18 2026 .TONIGHT...Increasing clouds. Lows 49 to 57. .JUNETEENTH...Sunny. Highs 76 to 86. .FRIDAY NIGHT...Mostly cloudy. A slight chance of rain after midnight. Lows 54 to 63. .SATURDAY...Rain showers and a chance of thunderstorms. Highs 67 to 77. .SATURDAY NIGHT...Mostly cloudy with a chance of rain showers and a slight chance of thunderstorms. Colder. Lows 45 to 52. .SUNDAY AND SUNDAY NIGHT...Mostly clear. Highs 69 to 79. Lows 43 to 52. .MONDAY AND MONDAY NIGHT...Clear. Highs 72 to 81. Lows 45 to 54. .TUESDAY...Sunny. Highs 76 to 86. .TUESDAY NIGHT THROUGH THURSDAY...Mostly clear. Lows 49 to 59. Highs 77 to 87. $$ IDZ063-064-191000- Caribou Range-Big Hole Mountains- Including Wayan, Swan Valley, and Victor 102 PM MDT Thu Jun 18 2026 .TONIGHT...Partly cloudy. Lows 42 to 52. .JUNETEENTH...Mostly sunny. Highs 80 to 88. .FRIDAY NIGHT...Mostly cloudy. Lows 49 to 59. .SATURDAY...Rain showers likely and a chance of thunderstorms. Highs 72 to 80. .SATURDAY NIGHT...Mostly cloudy with a chance of rain showers and a slight chance of thunderstorms. Colder. Lows 41 to 49. .SUNDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs 71 to 79. .SUNDAY NIGHT AND MONDAY...Mostly clear. Lows 40 to 49. Highs 73 to 82. .MONDAY NIGHT AND TUESDAY...Clear. Lows 40 to 49. Highs 79 to 88. .TUESDAY NIGHT...Clear. Lows 44 to 54. .WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs 80 to 90. Lows 45 to 55. $$ IDZ068-070-191000- Lost River Valley-Challis/Pahsimeroi Valleys- Including Howe, Arco, Mackay, Chilly, and Challis 102 PM MDT Thu Jun 18 2026 .TONIGHT...Increasing clouds. Lows 47 to 56. Northwest winds 10 to 15 mph...decreasing to up to 10 mph after midnight. .JUNETEENTH...Sunny. Highs 79 to 89. Light and variable winds... becoming southwest 10 to 15 mph in the afternoon. .FRIDAY NIGHT...Mostly cloudy. A slight chance of rain after midnight. Lows 52 to 61. West winds up to 10 mph. .SATURDAY...Rain showers likely and a chance of thunderstorms. Highs 69 to 79. West winds around 10 mph. .SATURDAY NIGHT...Mostly cloudy with a chance of rain showers and a slight chance of thunderstorms. Colder. Lows 43 to 50. Northwest winds around 10 mph. .SUNDAY AND SUNDAY NIGHT...Mostly clear. Highs 72 to 82. Lows 42 to 51. .MONDAY AND MONDAY NIGHT...Clear. Highs 74 to 84. Lows 44 to 52. .TUESDAY...Sunny. Highs 80 to 90. .TUESDAY NIGHT...Mostly clear. Lows 48 to 57. .WEDNESDAY...Sunny. Highs 80 to 90. .WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows 47 to 56. Highs 79 to 89. $$ IDZ066-067-191000- Centennial Mountains - Island Park-Beaverhead - Lemhi Highlands- Including Island Park, Kilgore, Dubois, Spencer, Edie School, and Small 102 PM MDT Thu Jun 18 2026 .TONIGHT...Partly cloudy. Lows 43 to 53. .JUNETEENTH...Mostly sunny. Highs 77 to 84. .FRIDAY NIGHT...Mostly cloudy. Lows 49 to 59. .SATURDAY...Rain showers likely and a chance of thunderstorms. Highs 68 to 77. .SATURDAY NIGHT...Mostly cloudy with a chance of rain showers and a slight chance of thunderstorms. Colder. Lows 41 to 51. .SUNDAY...Mostly sunny with a chance of showers and thunderstorms. Highs 69 to 77. .SUNDAY NIGHT...Partly cloudy. Lows 40 to 50. .MONDAY...Sunny. Highs 71 to 79. .MONDAY NIGHT...Mostly clear. Lows 41 to 51. .TUESDAY...Sunny. Highs 77 to 84. .TUESDAY NIGHT THROUGH THURSDAY...Mostly clear. Lows 45 to 55. Highs 77 to 86. $$ IDZ065-191000- Teton Valley- Including Ashton, Tetonia, and Driggs 102 PM MDT Thu Jun 18 2026 .TONIGHT...Partly cloudy. Lows 43 to 51. .JUNETEENTH...Mostly sunny. Highs 80 to 87. .FRIDAY NIGHT...Mostly cloudy. Lows 50 to 59. .SATURDAY...Rain showers likely and a chance of thunderstorms. Highs around 76. .SATURDAY NIGHT...Rain showers likely and a chance of thunderstorms. Colder. Lows 42 to 49. .SUNDAY...Mostly sunny with a chance of showers and thunderstorms. Highs 72 to 79. .SUNDAY NIGHT...Partly cloudy. Lows 41 to 48. .MONDAY...Sunny. Highs 73 to 80. .MONDAY NIGHT...Mostly clear. Lows 41 to 49. .TUESDAY AND TUESDAY NIGHT...Clear. Highs 79 to 86. Lows 45 to 53. .WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs 80 to 89. Lows 46 to 54. $$ IDZ062-191000- Blackfoot Mountains- Including Grace, Soda Springs, Henry, and Bone 102 PM MDT Thu Jun 18 2026 .TONIGHT...Mostly cloudy. Lows 46 to 56. .JUNETEENTH...Mostly sunny. Highs 78 to 88. .FRIDAY NIGHT...Mostly cloudy. Lows 53 to 63. .SATURDAY...Partly sunny with a chance of rain showers and a slight chance of thunderstorms. Highs 71 to 80. .SATURDAY NIGHT...Partly cloudy. Colder. Lows 43 to 53. .SUNDAY AND SUNDAY NIGHT...Mostly clear. Highs 70 to 80. Lows 43 to 53. .MONDAY AND MONDAY NIGHT...Clear. Highs 73 to 83. Lows 43 to 53. .TUESDAY AND TUESDAY NIGHT...Clear. Highs 78 to 88. Lows 48 to 58. .WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs 79 to 89. Lows 48 to 58. $$ IDZ060-191000- Bear River Range- Including Emigration Summit 102 PM MDT Thu Jun 18 2026 .TONIGHT...Decreasing clouds. Lows 54 to 62. .JUNETEENTH...Mostly sunny. Highs 80 to 87. .FRIDAY NIGHT...Mostly cloudy. Lows 61 to 69. .SATURDAY...Mostly sunny with a chance of rain showers and a slight chance of thunderstorms. Highs 74 to 81. .SATURDAY NIGHT...Partly cloudy. Cooler. Lows 51 to 59. .SUNDAY THROUGH MONDAY...Mostly clear. Highs 73 to 83. Lows 52 to 60. .MONDAY NIGHT THROUGH TUESDAY NIGHT...Clear. Lows 54 to 64. Highs 81 to 88. .WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs 81 to 90. Lows 57 to 66. $$ IDZ061-191000- Bear Lake Valley- Including St. Charles, Montpelier, and Georgetown 102 PM MDT Thu Jun 18 2026 .TONIGHT...Mostly cloudy in the evening then clearing. Lows 44 to 54. .JUNETEENTH...Mostly sunny. Highs 78 to 88. .FRIDAY NIGHT...Mostly cloudy. Lows 50 to 60. .SATURDAY...Mostly sunny with a chance of rain showers and a slight chance of thunderstorms. Highs 73 to 81. .SATURDAY NIGHT...Partly cloudy. Colder. Lows 42 to 52. .SUNDAY THROUGH MONDAY...Mostly clear. Highs 72 to 82. Lows 43 to 53. .MONDAY NIGHT THROUGH TUESDAY NIGHT...Clear. Lows 45 to 55. Highs 78 to 87. .WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs 79 to 89. Lows 47 to 57. $$ IDZ071-074-191000- Frank Church Wilderness-Big Lost Highlands/Copper Basin- Including Clayton and Copper Basin 102 PM MDT Thu Jun 18 2026 .TONIGHT...Mostly cloudy. Lows 43 to 53. .JUNETEENTH...Sunny. Highs 76 to 86. .FRIDAY NIGHT...Mostly cloudy. A chance of rain after midnight. Lows 48 to 58. .SATURDAY...Rain showers likely and a chance of thunderstorms. Highs 65 to 75. .SATURDAY NIGHT...Partly cloudy with a slight chance of rain. Colder. Lows 39 to 49. .SUNDAY AND SUNDAY NIGHT...Mostly clear. Highs 69 to 79. Lows 38 to 48. .MONDAY THROUGH TUESDAY...Clear. Highs 74 to 84. Lows 40 to 50. .TUESDAY NIGHT THROUGH THURSDAY...Mostly clear. Lows 45 to 55. Highs 75 to 85. $$ IDZ055-191000- Eastern Magic Valley- Including Burley, Rupert, Heyburn, and Oakley 102 PM MDT Thu Jun 18 2026 .TONIGHT...Mostly cloudy in the evening then clearing. Lows 51 to 61. West winds 10 to 15 mph...shifting to southwest after midnight. .JUNETEENTH...Mostly sunny. Highs 87 to 94. Light and variable winds...becoming west up to 10 mph in the afternoon. .FRIDAY NIGHT...Cloudy. Lows 59 to 68. West winds around 10 mph. .SATURDAY...Partly sunny. Breezy. Highs 80 to 87. West winds 15 to 25 mph. .SATURDAY NIGHT...Partly cloudy. Cooler. Lows 49 to 59. West winds 10 to 15 mph. .SUNDAY...Sunny. Highs 80 to 87. .SUNDAY NIGHT THROUGH TUESDAY...Clear. Lows 50 to 60. Highs 83 to 93. .TUESDAY NIGHT AND WEDNESDAY...Clear. Lows 55 to 65. Highs 90 to 97. .WEDNESDAY NIGHT...Mostly clear. Lows 55 to 65. .THURSDAY...Sunny. Highs 87 to 94. $$ weather information on-line 24-hours a day www.weather.gov/pocatello