Zone Forecast Product
Issued by NWS Pocatello, ID
Issued by NWS Pocatello, ID
957 FPUS55 KPIH 201952 ZFPPIH Zone Forecast Product FOR Idaho National Weather Service Pocatello ID 152 PM MDT Thu Aug 20 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. IDZ072-211000- Sawtooth/Stanley Basin- Including Stanley 152 PM MDT Thu Aug 20 2026 .TONIGHT...Mostly cloudy. Lows 48 to 58. .FRIDAY...Mostly sunny. Highs 83 to 93. .FRIDAY NIGHT...Mostly cloudy. A slight chance of showers and thunderstorms in the evening. Lows 51 to 61. .SATURDAY...Partly sunny with a chance of rain showers and a slight chance of thunderstorms. Highs 75 to 85. .SATURDAY NIGHT...Partly cloudy with a slight chance of rain showers. Cooler. Lows 45 to 55. .SUNDAY AND SUNDAY NIGHT...Mostly clear. Highs 72 to 82. Lows 39 to 49. .MONDAY THROUGH TUESDAY...Partly cloudy with a slight chance of showers and thunderstorms. Highs 73 to 83. Lows 41 to 51. .TUESDAY NIGHT...Partly cloudy with a slight chance of rain. Lows 42 to 52. .WEDNESDAY THROUGH THURSDAY...Partly cloudy. Highs 73 to 83. Lows 41 to 51. $$ IDZ073-211000- Sun Valley Region- Including Ketchum, Sun Valley, and Galena 152 PM MDT Thu Aug 20 2026 .TONIGHT...Increasing clouds. Lows 54 to 64. .FRIDAY...Mostly sunny. Highs 85 to 95. .FRIDAY NIGHT...Mostly cloudy with a slight chance of showers and thunderstorms. Lows 55 to 65. .SATURDAY...Partly sunny with a chance of rain showers and a slight chance of thunderstorms. Highs 79 to 88. .SATURDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms. Cooler. Lows 50 to 60. .SUNDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs 75 to 84. .SUNDAY NIGHT...Partly cloudy. Lows 46 to 56. .MONDAY...Partly sunny with a chance of rain showers and a slight chance of thunderstorms. Highs 74 to 83. .MONDAY NIGHT AND TUESDAY...Partly cloudy. A slight chance of showers and thunderstorms. Lows 46 to 56. Highs 75 to 84. .TUESDAY NIGHT...Partly cloudy with a slight chance of rain. Lows 47 to 57. .WEDNESDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs 75 to 84. .WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows 46 to 56. Highs 75 to 84. $$ IDZ052-053-211000- Arco/Mud Lake Desert-Upper Snake River Plain- Including Mud Lake, INL, Craters of the Moon NM, Idaho Falls, Rexburg, and St. Anthony 152 PM MDT Thu Aug 20 2026 ...HEAT ADVISORY IN EFFECT FROM NOON TO 10 PM MDT FRIDAY... .TONIGHT...Partly cloudy. Lows 56 to 66. Southwest winds around 10 mph...shifting to northeast up to 10 mph after midnight. .FRIDAY...Mostly sunny. Highs 91 to 98. Northeast winds up to 10 mph...shifting to south in the afternoon. .FRIDAY NIGHT...Mostly cloudy with a slight chance of showers and thunderstorms. Lows 59 to 67. East winds around 10 mph. Chance of precipitation 20 percent. .SATURDAY...Partly sunny with a chance of rain showers and a slight chance of thunderstorms. Highs 85 to 92. South winds around 10 mph. Chance of precipitation 30 percent. .SATURDAY NIGHT...Mostly cloudy with a chance of rain showers and a slight chance of thunderstorms. Cooler. Lows 53 to 61. South winds around 10 mph. Chance of precipitation 50 percent. .SUNDAY AND SUNDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms. Highs 80 to 88. Lows 51 to 60. .MONDAY...Partly sunny with a slight chance of showers and thunderstorms. Highs 79 to 86. .MONDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms. Lows 49 to 57. .TUESDAY...Mostly sunny. Highs 80 to 87. .TUESDAY NIGHT...Partly cloudy with a slight chance of rain. Lows 51 to 59. .WEDNESDAY THROUGH THURSDAY...Partly cloudy. Highs 80 to 88. Lows 50 to 59. $$ IDZ051-211000- Shoshone/Lava Beds- Including Shoshone, Richfield, and Carey 152 PM MDT Thu Aug 20 2026 ...HEAT ADVISORY IN EFFECT UNTIL 10 PM MDT THIS EVENING... ...HEAT ADVISORY IN EFFECT FROM NOON TO 10 PM MDT FRIDAY... .TONIGHT...Partly cloudy. Lows 62 to 69. West winds around 10 mph...shifting to northeast up to 10 mph after midnight. .FRIDAY...Mostly sunny. Highs 95 to 102. Northeast winds around 10 mph...shifting to southeast in the afternoon. .FRIDAY NIGHT...Mostly cloudy with a slight chance of showers and thunderstorms. Lows 65 to 72. Southeast winds around 10 mph... shifting to east after midnight. Chance of precipitation 20 percent. .SATURDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs 89 to 96. Southeast winds around 10 mph. Chance of precipitation 20 percent. .SATURDAY NIGHT...Mostly cloudy with a chance of rain showers and a slight chance of thunderstorms. Cooler. Lows 58 to 65. Southwest winds around 10 mph. Chance of precipitation 50 percent. .SUNDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs 85 to 92. .SUNDAY NIGHT...Partly cloudy. Lows 55 to 62. .MONDAY...Partly sunny with a slight chance of showers and thunderstorms. Highs 83 to 90. .MONDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms. Lows 54 to 61. .TUESDAY THROUGH THURSDAY...Partly cloudy. Highs 84 to 92. Lows 55 to 63. $$ IDZ056-057-211000- Southern Hills/Albion Mountains-Raft River Region- Including Albion, Almo, Malta, Rockland, and Holbrook 152 PM MDT Thu Aug 20 2026 ...HEAT ADVISORY IN EFFECT UNTIL 10 PM MDT THIS EVENING... ...HEAT ADVISORY IN EFFECT FROM NOON TO 10 PM MDT FRIDAY... .TONIGHT...Mostly cloudy with a slight chance of showers and thunderstorms in the evening...then partly cloudy after midnight. Lows 62 to 72. North winds up to 10 mph...shifting to southeast after midnight. .FRIDAY...Mostly sunny. Highs 93 to 100. South winds up to 10 mph...increasing to 10 to 15 mph in the afternoon. .FRIDAY NIGHT...Mostly cloudy with a slight chance of showers and thunderstorms. Lows 63 to 73. South winds 10 to 15 mph. .SATURDAY...Partly sunny with a chance of showers and thunderstorms. Highs 87 to 94. South winds 10 to 15 mph. .SATURDAY NIGHT...Mostly cloudy with a chance of rain showers and a slight chance of thunderstorms. Cooler. Lows 57 to 67. South winds around 10 mph. .SUNDAY...Rain showers likely and a chance of thunderstorms. Highs 82 to 90. .SUNDAY NIGHT...Mostly cloudy with a chance of rain showers and a slight chance of thunderstorms. Lows 55 to 65. .MONDAY...Partly sunny with a chance of showers and thunderstorms. Highs 81 to 89. .MONDAY NIGHT...Mostly cloudy with a chance of rain showers and a slight chance of thunderstorms. Lows 53 to 63. .TUESDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs 83 to 90. .TUESDAY NIGHT...Mostly cloudy. Lows 56 to 66. .WEDNESDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs 83 to 91. .WEDNESDAY NIGHT...Mostly cloudy. Lows 54 to 64. .THURSDAY...Mostly sunny with a slight chance of rain. Highs 83 to 90. $$ IDZ058-059-211000- Marsh and Arbon Highlands-Franklin/Eastern Oneida Region- Including Inkom, McCammon, Downey, Lava Hot Springs, Malad, Preston, and Thatcher 152 PM MDT Thu Aug 20 2026 ...HEAT ADVISORY IN EFFECT FROM NOON TO 10 PM MDT FRIDAY... .TONIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows 58 to 68. .FRIDAY...Mostly sunny. Highs 90 to 100. .FRIDAY NIGHT...Mostly cloudy with a slight chance of showers and thunderstorms. Lows 60 to 70. .SATURDAY...Partly sunny with a chance of rain showers and a slight chance of thunderstorms. Highs 83 to 93. .SATURDAY NIGHT...Mostly cloudy with a chance of showers and thunderstorms. Cooler. Lows 55 to 65. .SUNDAY...Mostly sunny with a chance of showers and thunderstorms. Highs 79 to 89. .SUNDAY NIGHT THROUGH MONDAY NIGHT...Mostly cloudy with a slight chance of showers and thunderstorms. Lows 52 to 62. Highs 78 to 88. .TUESDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs 79 to 89. .TUESDAY NIGHT...Mostly cloudy. Lows 53 to 63. .WEDNESDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs 80 to 90. .WEDNESDAY NIGHT...Mostly cloudy. Lows 53 to 63. .THURSDAY...Mostly sunny. Highs 79 to 89. $$ IDZ054-211000- Lower Snake River Plain- Including Pocatello, Blackfoot, American Falls, Shelley, and Fort Hall 152 PM MDT Thu Aug 20 2026 ...HEAT ADVISORY IN EFFECT UNTIL 10 PM MDT THIS EVENING... ...HEAT ADVISORY IN EFFECT FROM NOON TO 10 PM MDT FRIDAY... .TONIGHT...Partly cloudy. Lows 57 to 66. Southwest winds around 10 mph...shifting to northeast up to 10 mph after midnight. .FRIDAY...Mostly sunny. Highs 91 to 101. Northeast winds up to 10 mph...shifting to southwest in the afternoon. .FRIDAY NIGHT...Mostly cloudy with a slight chance of showers and thunderstorms. Lows 61 to 69. Southeast winds around 10 mph. Chance of precipitation 20 percent. .SATURDAY...Partly sunny with a chance of rain showers and a slight chance of thunderstorms. Highs 85 to 94. South winds around 10 mph. Chance of precipitation 50 percent. .SATURDAY NIGHT...Mostly cloudy with a chance of rain showers and a slight chance of thunderstorms. Cooler. Lows 54 to 62. South winds around 10 mph. Chance of precipitation 50 percent. .SUNDAY AND SUNDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms. Highs 82 to 89. Lows 53 to 61. .MONDAY...Partly sunny with a slight chance of showers and thunderstorms. Highs 80 to 88. .MONDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms. Lows 50 to 58. .TUESDAY...Mostly sunny. Highs 82 to 90. .TUESDAY NIGHT...Mostly cloudy. Lows 53 to 61. .WEDNESDAY THROUGH THURSDAY...Partly cloudy. Highs 81 to 90. Lows 52 to 60. $$ IDZ075-211000- Wood River Foothills- Including Hailey, Bellevue, and Picabo 152 PM MDT Thu Aug 20 2026 ...HEAT ADVISORY IN EFFECT UNTIL 10 PM MDT THIS EVENING... ...HEAT ADVISORY IN EFFECT FROM NOON TO 10 PM MDT FRIDAY... .TONIGHT...Partly cloudy. Lows 60 to 70. Northwest winds 10 to 15 mph. .FRIDAY...Mostly sunny. Highs 88 to 98. Northeast winds around 10 mph...shifting to south in the afternoon. .FRIDAY NIGHT...Mostly cloudy with a slight chance of showers and thunderstorms. Lows 60 to 70. North winds up to 10 mph. .SATURDAY...Partly sunny with a slight chance of showers and thunderstorms. Highs 81 to 91. Southeast winds around 10 mph. .SATURDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms. Cooler. Lows 54 to 64. Northwest winds up to 10 mph. .SUNDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs 78 to 88. .SUNDAY NIGHT...Partly cloudy. Lows 51 to 61. .MONDAY...Partly sunny with a slight chance of showers and thunderstorms. Highs 76 to 86. .MONDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms. Lows 50 to 60. .TUESDAY...Mostly sunny. Highs 78 to 88. .TUESDAY NIGHT...Partly cloudy with a slight chance of rain. Lows 52 to 62. .WEDNESDAY THROUGH THURSDAY...Partly cloudy. Highs 78 to 88. Lows 51 to 61. $$ IDZ069-211000- Lost River Range- Including Borah Peak 152 PM MDT Thu Aug 20 2026 .TONIGHT...Decreasing clouds. Lows 59 to 68. .FRIDAY...Mostly sunny. Highs 84 to 94. .FRIDAY NIGHT...Mostly cloudy with a slight chance of showers and thunderstorms. Lows 60 to 67. .SATURDAY...Rain showers likely and a chance of thunderstorms. Highs 78 to 88. .SATURDAY NIGHT...Mostly cloudy with a chance of rain showers and a slight chance of thunderstorms. Cooler. Lows 55 to 62. .SUNDAY...Partly sunny with a chance of showers and thunderstorms. Highs 74 to 84. .SUNDAY NIGHT...Partly cloudy. Lows 52 to 59. .MONDAY...Partly sunny with a chance of rain showers and a slight chance of thunderstorms. Highs 72 to 82. .MONDAY NIGHT...Partly cloudy with a chance of rain. Lows 51 to 58. .TUESDAY...Mostly sunny with a chance of rain showers and a slight chance of thunderstorms. Highs 73 to 83. .TUESDAY NIGHT...Mostly cloudy with a slight chance of rain. Lows 52 to 59. .WEDNESDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs 74 to 84. .WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows 51 to 58. Highs 74 to 84. $$ IDZ063-064-211000- Caribou Range-Big Hole Mountains- Including Wayan, Swan Valley, and Victor 152 PM MDT Thu Aug 20 2026 .TONIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows 53 to 63. .FRIDAY...Mostly sunny. Highs 89 to 97. .FRIDAY NIGHT...Mostly cloudy. A slight chance of rain showers after midnight. Lows 55 to 64. .SATURDAY...Mostly cloudy with a chance of showers and thunderstorms. Highs 80 to 88. .SATURDAY NIGHT...Mostly cloudy with a chance of showers and thunderstorms. Cooler. Lows 50 to 59. .SUNDAY...Partly sunny with a chance of showers and thunderstorms. Highs 76 to 84. .SUNDAY NIGHT...Mostly cloudy with a chance of rain showers and a slight chance of thunderstorms. Lows 47 to 57. .MONDAY...Partly sunny with a chance of showers and thunderstorms. Highs 75 to 82. .MONDAY NIGHT...Mostly cloudy with a slight chance of showers and thunderstorms. Lows 45 to 55. .TUESDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs 76 to 83. .TUESDAY NIGHT...Mostly cloudy. Lows 47 to 57. .WEDNESDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs 77 to 84. .WEDNESDAY NIGHT...Partly cloudy. Lows 46 to 56. .THURSDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs 76 to 84. $$ IDZ068-070-211000- Lost River Valley-Challis/Pahsimeroi Valleys- Including Howe, Arco, Mackay, Chilly, and Challis 152 PM MDT Thu Aug 20 2026 .TONIGHT...Decreasing clouds. Lows 57 to 66. West winds up to 10 mph. .FRIDAY...Mostly sunny. Highs 86 to 96. Light and variable winds...becoming southeast up to 10 mph in the afternoon. .FRIDAY NIGHT...Mostly cloudy. A slight chance of showers and thunderstorms in the evening...then a slight chance of rain showers after midnight. Lows 57 to 66. South winds up to 10 mph. .SATURDAY...Rain showers likely and a chance of thunderstorms. Highs 80 to 90. South winds around 10 mph. .SATURDAY NIGHT...Mostly cloudy with a chance of rain showers and a slight chance of thunderstorms. Cooler. Lows 52 to 60. Southwest winds up to 10 mph. .SUNDAY...Mostly sunny with a chance of showers and thunderstorms. Highs 77 to 87. .SUNDAY NIGHT...Partly cloudy. Lows 49 to 58. .MONDAY...Partly sunny with a chance of rain showers and a slight chance of thunderstorms. Highs 74 to 84. .MONDAY NIGHT...Partly cloudy with a slight chance of rain. Lows 49 to 57. .TUESDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs 75 to 85. .TUESDAY NIGHT...Mostly cloudy with a slight chance of rain. Lows 50 to 58. .WEDNESDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs 76 to 86. .WEDNESDAY NIGHT...Mostly cloudy. Lows 49 to 57. .THURSDAY...Mostly sunny. Highs 76 to 86. $$ IDZ066-067-211000- Centennial Mountains - Island Park-Beaverhead - Lemhi Highlands- Including Island Park, Kilgore, Dubois, Spencer, Edie School, and Small 152 PM MDT Thu Aug 20 2026 .TONIGHT...Partly cloudy. Lows 54 to 64. .FRIDAY...Mostly sunny. Highs 86 to 94. .FRIDAY NIGHT...Mostly cloudy. A slight chance of rain showers in the evening. Lows 55 to 65. .SATURDAY...Partly sunny with a chance of rain showers and a slight chance of thunderstorms. Highs 79 to 87. .SATURDAY NIGHT...Mostly cloudy with a chance of showers and thunderstorms. Cooler. Lows 50 to 60. .SUNDAY...Partly sunny with a chance of showers and thunderstorms. Highs 75 to 83. .SUNDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms. Lows 47 to 57. .MONDAY...Partly sunny with a chance of showers and thunderstorms. Highs 73 to 81. .MONDAY NIGHT...Mostly cloudy with a chance of rain showers and a slight chance of thunderstorms. Lows 45 to 55. .TUESDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs 74 to 82. .TUESDAY NIGHT...Mostly cloudy with a slight chance of showers and thunderstorms. Lows 46 to 56. .WEDNESDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs 75 to 83. .WEDNESDAY NIGHT...Mostly cloudy. Lows 46 to 56. .THURSDAY...Mostly sunny. Highs 74 to 82. $$ IDZ065-211000- Teton Valley- Including Ashton, Tetonia, and Driggs 152 PM MDT Thu Aug 20 2026 .TONIGHT...Partly cloudy. Lows 53 to 61. .FRIDAY...Sunny. Highs 89 to 96. .FRIDAY NIGHT...Mostly cloudy. A slight chance of rain showers after midnight. Lows 55 to 62. .SATURDAY...Partly sunny with a chance of showers and thunderstorms. Highs 82 to 89. .SATURDAY NIGHT...Rain showers likely and a chance of thunderstorms. Lows 50 to 57. .SUNDAY...Partly sunny with a chance of thunderstorms and a slight chance of rain showers. Highs 78 to 85. .SUNDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms. Lows 47 to 55. .MONDAY...Mostly sunny with a chance of showers and thunderstorms. Highs around 80. .MONDAY NIGHT...Mostly cloudy with a chance of rain showers and a slight chance of thunderstorms. Lows 45 to 53. .TUESDAY...Mostly sunny. Highs around 81. .TUESDAY NIGHT...Mostly cloudy with a slight chance of showers and thunderstorms. Lows 47 to 54. .WEDNESDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs around 82. .WEDNESDAY NIGHT...Partly cloudy. Lows 46 to 54. .THURSDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs 78 to 85. $$ IDZ062-211000- Blackfoot Mountains- Including Grace, Soda Springs, Henry, and Bone 152 PM MDT Thu Aug 20 2026 .TONIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows 55 to 65. .FRIDAY...Mostly sunny. Highs 86 to 96. .FRIDAY NIGHT...Mostly cloudy. A slight chance of showers and thunderstorms after midnight. Lows 57 to 67. .SATURDAY...Partly sunny with a chance of showers and thunderstorms. Highs 79 to 89. .SATURDAY NIGHT...Mostly cloudy with a chance of showers and thunderstorms. Cooler. Lows 52 to 62. .SUNDAY...Partly sunny with a chance of showers and thunderstorms. Highs 76 to 86. .SUNDAY NIGHT...Mostly cloudy with a chance of rain showers and a slight chance of thunderstorms. Lows 50 to 60. .MONDAY...Partly sunny with a chance of showers and thunderstorms. Highs 74 to 84. .MONDAY NIGHT...Mostly cloudy with a slight chance of showers and thunderstorms. Lows 47 to 57. .TUESDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs 75 to 85. .TUESDAY NIGHT...Mostly cloudy. Lows 50 to 60. .WEDNESDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs 76 to 86. .WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows 49 to 59. Highs 75 to 85. $$ IDZ060-211000- Bear River Range- Including Emigration Summit 152 PM MDT Thu Aug 20 2026 .TONIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows 64 to 72. .FRIDAY...Mostly sunny. Highs 89 to 96. .FRIDAY NIGHT...Mostly cloudy. A chance of rain showers and a slight chance of thunderstorms after midnight. Lows 66 to 73. .SATURDAY...Partly sunny with a slight chance of showers and thunderstorms. Highs 82 to 89. .SATURDAY NIGHT...Mostly cloudy with a chance of rain showers and a slight chance of thunderstorms. Lows 61 to 68. .SUNDAY...Mostly sunny with a chance of showers and thunderstorms. Highs 79 to 86. .SUNDAY NIGHT...Mostly cloudy with a chance of rain showers and a slight chance of thunderstorms. Lows 59 to 66. .MONDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs 78 to 85. .MONDAY NIGHT...Mostly cloudy with a slight chance of showers and thunderstorms. Lows 57 to 65. .TUESDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs 79 to 86. .TUESDAY NIGHT...Partly cloudy. Lows 58 to 66. .WEDNESDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs 80 to 87. .WEDNESDAY NIGHT...Partly cloudy. Lows 58 to 66. .THURSDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs 79 to 86. $$ IDZ061-211000- Bear Lake Valley- Including St. Charles, Montpelier, and Georgetown 152 PM MDT Thu Aug 20 2026 .TONIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows 52 to 62. .FRIDAY...Mostly sunny. Highs 83 to 93. .FRIDAY NIGHT...Mostly cloudy. A chance of rain showers after midnight. Lows 56 to 64. .SATURDAY...Partly sunny with a slight chance of showers and thunderstorms. Highs 78 to 86. .SATURDAY NIGHT...Mostly cloudy with a chance of rain showers and a slight chance of thunderstorms. Lows 50 to 60. .SUNDAY...Mostly sunny with a chance of showers and thunderstorms. Highs 77 to 84. .SUNDAY NIGHT...Mostly cloudy with a slight chance of showers and thunderstorms. Lows 49 to 59. .MONDAY THROUGH TUESDAY...Partly cloudy with a slight chance of showers and thunderstorms. Highs 76 to 83. Lows 47 to 57. .TUESDAY NIGHT...Partly cloudy. Lows 49 to 59. .WEDNESDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs 76 to 83. .WEDNESDAY NIGHT...Partly cloudy. Lows 48 to 58. .THURSDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs 76 to 83. $$ IDZ071-074-211000- Frank Church Wilderness-Big Lost Highlands/Copper Basin- Including Clayton and Copper Basin 152 PM MDT Thu Aug 20 2026 .TONIGHT...Mostly cloudy. Lows 53 to 63. .FRIDAY...Mostly sunny. Highs 83 to 93. .FRIDAY NIGHT...Mostly cloudy. A slight chance of showers and thunderstorms in the evening. Lows 53 to 63. .SATURDAY...Rain showers likely and a chance of thunderstorms. Highs 76 to 86. .SATURDAY NIGHT...Mostly cloudy with a chance of rain showers and a slight chance of thunderstorms. Cooler. Lows 49 to 59. .SUNDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs 73 to 83. .SUNDAY NIGHT...Mostly clear. Lows 45 to 55. .MONDAY...Partly sunny with a chance of rain showers and a slight chance of thunderstorms. Highs 72 to 82. .MONDAY NIGHT AND TUESDAY...Partly cloudy. A slight chance of showers and thunderstorms. Lows 45 to 55. Highs 73 to 83. .TUESDAY NIGHT...Mostly cloudy with a slight chance of rain. Lows 46 to 56. .WEDNESDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs 73 to 83. .WEDNESDAY NIGHT...Partly cloudy. Lows 45 to 55. .THURSDAY...Mostly sunny with a slight chance of rain. Highs 72 to 82. $$ IDZ055-211000- Eastern Magic Valley- Including Burley, Rupert, Heyburn, and Oakley 152 PM MDT Thu Aug 20 2026 ...HEAT ADVISORY IN EFFECT UNTIL 10 PM MDT THIS EVENING... ...HEAT ADVISORY IN EFFECT FROM NOON TO 10 PM MDT FRIDAY... .TONIGHT...Partly cloudy. Lows 61 to 71. West winds up to 10 mph...shifting to east after midnight. .FRIDAY...Mostly sunny. Highs 96 to 103. East winds up to 10 mph...shifting to south around 10 mph in the afternoon. .FRIDAY NIGHT...Mostly cloudy. A slight chance of showers and thunderstorms in the evening...then a chance of rain showers and a slight chance of thunderstorms after midnight. Lows 65 to 72. South winds 10 to 15 mph. Chance of precipitation 30 percent. .SATURDAY...Partly sunny with a chance of showers and thunderstorms. Highs 89 to 96. South winds around 10 mph. Chance of precipitation 50 percent. .SATURDAY NIGHT...Mostly cloudy with a chance of rain showers and a slight chance of thunderstorms. Cooler. Lows 58 to 67. South winds around 10 mph. Chance of precipitation 50 percent. .SUNDAY...Partly sunny with a chance of rain showers and a slight chance of thunderstorms. Highs 85 to 92. .SUNDAY NIGHT...Partly cloudy. Lows 57 to 65. .MONDAY...Partly sunny with a chance of rain showers and a slight chance of thunderstorms. Highs 83 to 90. .MONDAY NIGHT...Partly cloudy with a chance of rain showers and a slight chance of thunderstorms. Lows 54 to 63. .TUESDAY AND TUESDAY NIGHT...Partly cloudy. Highs 85 to 92. Lows 57 to 65. .WEDNESDAY...Partly sunny. Highs 86 to 93. .WEDNESDAY NIGHT...Partly cloudy. Lows 56 to 64. .THURSDAY...Mostly sunny with a slight chance of rain. Highs 85 to 92. $$ weather information on-line 24-hours a day www.weather.gov/pocatello