FPUS55 KPIH 180632 ZFPPIH Zone Forecast Product FOR Idaho National Weather Service Pocatello ID 1232 AM MDT Wed Mar 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. IDZ072-182200- Sawtooth/Stanley Basin- Including Stanley 1232 AM MDT Wed Mar 18 2026 .TODAY...Sunny. Highs 50 to 60. .TONIGHT...Mostly clear. Lows 30 to 40. .THURSDAY...Sunny. Highs 53 to 63. .THURSDAY NIGHT...Mostly clear. Lows 32 to 42. .FRIDAY...Sunny. Highs 55 to 65. .FRIDAY NIGHT...Partly cloudy. Lows 32 to 42. .SATURDAY...Partly sunny with a chance of rain and snow. Highs 48 to 58. .SATURDAY NIGHT...Mostly cloudy with a slight chance of rain and snow. Lows 23 to 33. .SUNDAY...Mostly sunny with a slight chance of snow. Highs 44 to 54. .SUNDAY NIGHT...Mostly clear. Lows 22 to 32. .MONDAY...Partly sunny with a slight chance of snow. Highs 46 to 56. .MONDAY NIGHT...Mostly cloudy with a slight chance of rain and snow. Lows 26 to 36. .TUESDAY...Partly sunny with a chance of rain and snow. Highs 46 to 56. $$ IDZ073-182200- Sun Valley Region- Including Ketchum, Sun Valley, and Galena 1232 AM MDT Wed Mar 18 2026 .TODAY...Sunny. Highs 57 to 67. .TONIGHT...Mostly clear. Lows 35 to 42. .THURSDAY...Sunny. Highs 60 to 70. .THURSDAY NIGHT...Mostly clear. Lows 36 to 43. .FRIDAY...Sunny. Highs 61 to 71. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows 38 to 45. Highs 55 to 65. .SATURDAY NIGHT AND SUNDAY...Partly cloudy. Lows 27 to 34. Highs 49 to 59. .SUNDAY NIGHT...Mostly clear. Lows 27 to 34. .MONDAY...Partly sunny with a slight chance of snow. Highs 48 to 58. .MONDAY NIGHT...Mostly cloudy with a slight chance of rain and snow. Lows 31 to 38. .TUESDAY...Partly sunny with a chance of rain and snow. Highs 51 to 61. $$ IDZ052-053-182200- Arco/Mud Lake Desert-Upper Snake River Plain- Including Mud Lake, INL, Craters of the Moon NM, Idaho Falls, Rexburg, and St. Anthony 1232 AM MDT Wed Mar 18 2026 .TODAY...Sunny. Highs 66 to 75. Southwest winds 10 to 20 mph. .TONIGHT...Mostly clear. Lows 34 to 44. Southwest winds 10 to 15 mph. .THURSDAY...Sunny. Highs 68 to 77. East winds up to 10 mph... shifting to southwest in the afternoon. .THURSDAY NIGHT...Partly cloudy. Lows 38 to 46. Southwest winds 10 to 15 mph. .FRIDAY...Mostly sunny. Highs 69 to 78. Southwest winds around 10 mph. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows 41 to 49. Highs 67 to 75. .SATURDAY NIGHT AND SUNDAY...Mostly cloudy. Lows 33 to 40. Highs 55 to 62. .SUNDAY NIGHT AND MONDAY...Partly cloudy. Lows 30 to 37. Highs 55 to 62. .MONDAY NIGHT...Mostly cloudy. Lows 35 to 44. .TUESDAY...Partly sunny with a slight chance of rain. Highs 60 to 67. $$ IDZ051-182200- Shoshone/Lava Beds- Including Shoshone, Richfield, and Carey 1232 AM MDT Wed Mar 18 2026 .TODAY...Sunny. Highs 70 to 77. Northeast winds up to 10 mph... shifting to west in the afternoon. .TONIGHT...Mostly clear. Lows 39 to 46. Northwest winds 10 to 15 mph...shifting to north after midnight. .THURSDAY...Sunny. Highs 72 to 79. North winds up to 10 mph... shifting to west in the afternoon. .THURSDAY NIGHT...Mostly clear. Lows 40 to 47. Northwest winds around 10 mph. .FRIDAY...Sunny. Highs 74 to 81. West winds up to 10 mph. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows 43 to 50. Highs 68 to 75. .SATURDAY NIGHT AND SUNDAY...Mostly cloudy. Lows around 34. Highs 57 to 64. .SUNDAY NIGHT AND MONDAY...Partly cloudy. Lows 29 to 36. Highs 58 to 65. .MONDAY NIGHT...Mostly cloudy. Lows 36 to 43. .TUESDAY...Partly sunny with a slight chance of rain. Highs 62 to 69. $$ IDZ056-057-182200- Southern Hills/Albion Mountains-Raft River Region- Including Albion, Almo, Malta, Rockland, and Holbrook 1232 AM MDT Wed Mar 18 2026 .TODAY...Sunny. Highs 71 to 80. Southwest winds 10 to 15 mph. .TONIGHT...Mostly clear. Lows 43 to 52. Southwest winds up to 10 mph. .THURSDAY...Sunny. Highs 74 to 81. Southwest winds up to 10 mph... shifting to west in the afternoon. .THURSDAY NIGHT...Mostly clear. Lows 46 to 53. Southwest winds up to 10 mph. .FRIDAY...Sunny. Highs 74 to 82. Southwest winds around 10 mph. .FRIDAY NIGHT...Mostly clear. Lows 48 to 55. .SATURDAY...Mostly sunny. Highs 69 to 78. .SATURDAY NIGHT AND SUNDAY...Mostly cloudy. Lows 35 to 42. Highs 58 to 66. .SUNDAY NIGHT AND MONDAY...Partly cloudy. Lows 33 to 40. Highs 60 to 67. .MONDAY NIGHT...Mostly cloudy. Lows 41 to 48. .TUESDAY...Mostly cloudy with a slight chance of rain. Highs 65 to 72. $$ IDZ058-059-182200- Marsh and Arbon Highlands-Franklin/Eastern Oneida Region- Including Inkom, McCammon, Downey, Lava Hot Springs, Malad, Preston, and Thatcher 1232 AM MDT Wed Mar 18 2026 .TODAY...Sunny. Highs 65 to 75. .TONIGHT...Mostly clear. Lows 40 to 50. .THURSDAY...Sunny. Highs 67 to 77. .THURSDAY NIGHT...Mostly clear. Lows 41 to 50. .FRIDAY...Sunny. Highs 69 to 79. .FRIDAY NIGHT...Mostly clear. Lows 44 to 51. .SATURDAY...Mostly sunny. Highs 66 to 76. .SATURDAY NIGHT AND SUNDAY...Mostly cloudy. Lows 35 to 42. Highs 55 to 65. .SUNDAY NIGHT AND MONDAY...Partly cloudy. Lows 33 to 40. Highs 55 to 65. .MONDAY NIGHT...Mostly cloudy. Lows 39 to 46. .TUESDAY...Mostly cloudy with a slight chance of rain. Highs 59 to 69. $$ IDZ054-182200- Lower Snake River Plain- Including Pocatello, Blackfoot, American Falls, Shelley, and Fort Hall 1232 AM MDT Wed Mar 18 2026 .TODAY...Sunny, breezy. Highs 70 to 77. Southwest winds around 10 mph...increasing to 15 to 25 mph in the afternoon. .TONIGHT...Mostly clear. Lows 40 to 48. Southwest winds 10 to 15 mph. .THURSDAY...Sunny. Highs 73 to 80. Southwest winds 10 to 15 mph. .THURSDAY NIGHT...Mostly clear. Lows 42 to 49. Southwest winds 10 to 15 mph. .FRIDAY...Sunny. Highs around 78. Southwest winds around 10 mph. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows 45 to 52. Highs around 73. .SATURDAY NIGHT AND SUNDAY...Mostly cloudy. Lows 34 to 41. Highs 58 to 65. .SUNDAY NIGHT AND MONDAY...Partly cloudy. Lows 31 to 38. Highs 59 to 66. .MONDAY NIGHT...Mostly cloudy. Lows 38 to 45. .TUESDAY...Partly sunny with a slight chance of rain. Highs around 67. $$ IDZ075-182200- Wood River Foothills- Including Hailey, Bellevue, and Picabo 1232 AM MDT Wed Mar 18 2026 .TODAY...Sunny. Highs 62 to 72. Northwest winds up to 10 mph... shifting to west in the afternoon. .TONIGHT...Mostly clear. Lows 38 to 45. Northwest winds 10 to 15 mph. .THURSDAY...Sunny. Highs 64 to 74. Northwest winds around 10 mph...shifting to west in the afternoon. .THURSDAY NIGHT...Mostly clear. Lows 40 to 47. Northwest winds 10 to 15 mph. .FRIDAY...Sunny. Highs 65 to 75. Northwest winds around 10 mph. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows 41 to 48. Highs 60 to 70. .SATURDAY NIGHT AND SUNDAY...Mostly cloudy. Lows 31 to 38. Highs 51 to 61. .SUNDAY NIGHT...Partly cloudy. Lows 29 to 36. .MONDAY AND MONDAY NIGHT...Mostly cloudy. Highs 51 to 61. Lows 35 to 42. .TUESDAY...Partly sunny with a slight chance of rain. Highs 54 to 64. $$ IDZ069-182200- Lost River Range- Including Borah Peak 1232 AM MDT Wed Mar 18 2026 .TODAY...Sunny. Highs 60 to 70. .TONIGHT...Mostly clear. Lows 37 to 44. .THURSDAY...Sunny. Highs 63 to 73. .THURSDAY NIGHT...Mostly clear. Lows 39 to 46. .FRIDAY...Sunny. Highs 63 to 73. .FRIDAY NIGHT...Partly cloudy. Lows 41 to 48. .SATURDAY...Mostly sunny with a slight chance of rain. Highs 59 to 69. .SATURDAY NIGHT...Mostly cloudy. Lows 31 to 38. .SUNDAY THROUGH MONDAY...Partly cloudy. Highs 50 to 60. Lows 30 to 37. .MONDAY NIGHT...Mostly cloudy. Lows 34 to 41. .TUESDAY...Partly sunny with a chance of rain and a slight chance of snow. Breezy. Highs 53 to 63. $$ IDZ063-064-182200- Caribou Range-Big Hole Mountains- Including Wayan, Swan Valley, and Victor 1232 AM MDT Wed Mar 18 2026 .TODAY...Sunny, warmer. Highs 61 to 69. .TONIGHT...Mostly clear. Lows 35 to 44. .THURSDAY...Sunny. Highs 65 to 72. .THURSDAY NIGHT...Mostly clear. Lows 36 to 45. .FRIDAY...Sunny. Highs 66 to 73. .FRIDAY NIGHT...Mostly clear. Lows 39 to 47. .SATURDAY...Mostly sunny. Highs 65 to 72. .SATURDAY NIGHT...Mostly cloudy. Lows 34 to 41. .SUNDAY...Mostly sunny with a slight chance of rain. Highs 52 to 59. .SUNDAY NIGHT AND MONDAY...Partly cloudy. Lows 31 to 38. Highs 54 to 61. .MONDAY NIGHT AND TUESDAY...Mostly cloudy. A slight chance of rain. Lows 35 to 42. Highs 56 to 63. $$ IDZ068-070-182200- Lost River Valley-Challis/Pahsimeroi Valleys- Including Howe, Arco, Mackay, Chilly, and Challis 1232 AM MDT Wed Mar 18 2026 .TODAY...Sunny. Highs 60 to 70. West winds 10 to 15 mph. .TONIGHT...Mostly clear. Lows 36 to 43. West winds 10 to 15 mph. .THURSDAY...Sunny. Highs 63 to 73. Southwest winds up to 10 mph... increasing to 10 to 15 mph in the afternoon. .THURSDAY NIGHT...Mostly clear. Lows 38 to 45. West winds around 10 mph. .FRIDAY...Sunny. Highs 63 to 73. Southwest winds around 10 mph. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows 41 to 48. Highs 60 to 70. .SATURDAY NIGHT...Mostly cloudy. Lows 30 to 37. .SUNDAY THROUGH MONDAY...Partly cloudy. Highs 51 to 61. Lows 30 to 37. .MONDAY NIGHT...Mostly cloudy. Lows 33 to 40. .TUESDAY...Partly sunny with a slight chance of rain. Highs 53 to 63. $$ IDZ066-067-182200- Centennial Mountains - Island Park-Beaverhead - Lemhi Highlands- Including Island Park, Kilgore, Dubois, Spencer, Edie School, and Small 1232 AM MDT Wed Mar 18 2026 .TODAY...Sunny. Not as cool. Highs 56 to 66. .TONIGHT...Mostly clear. Lows 31 to 41. .THURSDAY...Sunny. Highs 60 to 70. .THURSDAY NIGHT...Partly cloudy. Lows 34 to 44. .FRIDAY...Mostly sunny. Highs 61 to 71. .FRIDAY NIGHT...Partly cloudy. Lows 36 to 46. .SATURDAY AND SATURDAY NIGHT...Mostly cloudy. A slight chance of rain. Highs 61 to 70. Lows 30 to 37. .SUNDAY...Partly sunny. Highs 50 to 58. .SUNDAY NIGHT...Partly cloudy. Lows 27 to 36. .MONDAY...Partly sunny. Highs 50 to 58. .MONDAY NIGHT...Mostly cloudy with a slight chance of rain. Lows 31 to 39. .TUESDAY...Partly sunny with a slight chance of rain and snow. Highs 53 to 62. $$ IDZ065-182200- Teton Valley- Including Ashton, Tetonia, and Driggs 1232 AM MDT Wed Mar 18 2026 .TODAY...Sunny. Highs 62 to 69. .TONIGHT...Mostly clear. Lows 35 to 42. .THURSDAY...Sunny. Highs 65 to 72. .THURSDAY NIGHT...Mostly clear. Lows 37 to 44. .FRIDAY...Sunny. Highs 67 to 74. .FRIDAY NIGHT...Partly cloudy. Lows 40 to 47. .SATURDAY AND SATURDAY NIGHT...Mostly cloudy. Highs 65 to 72. Lows 32 to 39. .SUNDAY...Partly sunny. Highs 53 to 60. .SUNDAY NIGHT AND MONDAY...Partly cloudy. Lows 28 to 35. Highs 54 to 61. .MONDAY NIGHT AND TUESDAY...Mostly cloudy with a slight chance of rain. Lows 33 to 40. Highs 57 to 64. $$ IDZ062-182200- Blackfoot Mountains- Including Grace, Soda Springs, Henry, and Bone 1232 AM MDT Wed Mar 18 2026 .TODAY...Sunny. Highs 64 to 71. .TONIGHT...Clear. Lows 36 to 46. .THURSDAY...Sunny. Highs 66 to 74. .THURSDAY NIGHT...Mostly clear. Lows 37 to 47. .FRIDAY...Sunny. Highs 67 to 75. .FRIDAY NIGHT...Mostly clear. Lows 40 to 50. .SATURDAY...Mostly sunny. Highs 65 to 73. .SATURDAY NIGHT...Mostly cloudy. Lows 33 to 41. .SUNDAY THROUGH MONDAY...Partly cloudy. Highs 54 to 62. Lows 29 to 38. .MONDAY NIGHT...Mostly cloudy. Lows 35 to 45. .TUESDAY...Partly sunny with a slight chance of rain. Highs 58 to 65. $$ IDZ060-182200- Bear River Range- Including Emigration Summit 1232 AM MDT Wed Mar 18 2026 .TODAY...Sunny, warmer. Highs 62 to 69. .TONIGHT...Clear. Lows 45 to 52. .THURSDAY...Sunny. Highs 65 to 72. .THURSDAY NIGHT...Clear. Lows 45 to 52. .FRIDAY...Sunny. Highs 66 to 73. .FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows 48 to 55. Highs 65 to 72. .SATURDAY NIGHT...Mostly cloudy. Lows 38 to 45. .SUNDAY THROUGH MONDAY...Partly cloudy. Highs 54 to 61. Lows 36 to 43. .MONDAY NIGHT...Mostly cloudy. Lows 42 to 49. .TUESDAY...Partly sunny with a slight chance of rain. Highs 57 to 64. $$ IDZ061-182200- Bear Lake Valley- Including St. Charles, Montpelier, and Georgetown 1232 AM MDT Wed Mar 18 2026 .TODAY...Sunny. Highs 65 to 72. .TONIGHT...Clear. Lows 38 to 46. .THURSDAY...Sunny. Highs 69 to 76. .THURSDAY NIGHT...Clear. Lows 39 to 48. .FRIDAY...Sunny. Highs 70 to 77. .FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows 42 to 51. Highs 69 to 76. .SATURDAY NIGHT...Mostly cloudy. Lows 35 to 44. .SUNDAY...Mostly sunny. Highs 57 to 64. .SUNDAY NIGHT...Mostly cloudy. Lows 32 to 41. .MONDAY...Mostly sunny. Highs 57 to 64. .MONDAY NIGHT...Mostly cloudy. Lows 36 to 46. .TUESDAY...Partly sunny with a slight chance of rain. Highs 59 to 66. $$ IDZ071-074-182200- Frank Church Wilderness-Big Lost Highlands/Copper Basin- Including Clayton and Copper Basin 1232 AM MDT Wed Mar 18 2026 .TODAY...Sunny. Highs 53 to 63. .TONIGHT...Mostly clear. Lows 33 to 43. .THURSDAY...Sunny. Highs 56 to 66. .THURSDAY NIGHT...Mostly clear. Lows 35 to 44. .FRIDAY...Sunny. Highs 58 to 68. .FRIDAY NIGHT...Partly cloudy. Lows 35 to 44. .SATURDAY...Mostly sunny with a chance of rain and snow. Highs 52 to 62. .SATURDAY NIGHT...Mostly cloudy. Lows 25 to 33. .SUNDAY...Mostly sunny. Highs 46 to 56. .SUNDAY NIGHT...Mostly clear. Lows 24 to 34. .MONDAY AND MONDAY NIGHT...Mostly cloudy. A slight chance of snow. Highs 48 to 58. Lows 28 to 38. .TUESDAY...Partly sunny with a chance of rain and snow. Highs 49 to 59. $$ IDZ055-182200- Eastern Magic Valley- Including Burley, Rupert, Heyburn, and Oakley 1232 AM MDT Wed Mar 18 2026 .TODAY...Sunny. Highs 71 to 78. Southwest winds around 10 mph... shifting to west in the afternoon. .TONIGHT...Mostly clear. Lows 41 to 51. West winds around 10 mph...shifting to south up to 10 mph after midnight. .THURSDAY...Sunny. Highs 73 to 80. South winds up to 10 mph... shifting to west in the afternoon. .THURSDAY NIGHT...Mostly clear. Lows 43 to 51. Southwest winds around 10 mph. .FRIDAY...Sunny. Highs 75 to 82. Southwest winds up to 10 mph. .FRIDAY NIGHT...Mostly clear. Lows 45 to 54. .SATURDAY...Mostly sunny. Highs 69 to 76. .SATURDAY NIGHT AND SUNDAY...Mostly cloudy. Lows 33 to 40. Highs 58 to 65. .SUNDAY NIGHT AND MONDAY...Partly cloudy. Lows 31 to 38. Highs 59 to 66. .MONDAY NIGHT...Mostly cloudy. Lows 38 to 46. .TUESDAY...Partly sunny with a slight chance of rain. Highs 64 to 71. $$ weather information on-line 24-hours a day www.weather.gov/pocatello