590
FPUS55 KPIH 310632
ZFPPIH

Zone Forecast Product FOR Idaho
National Weather Service Pocatello ID
1231 AM MDT Mon Aug 31 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.

IDZ072-312200-
Sawtooth/Stanley Basin-
Including Stanley
1231 AM MDT Mon Aug 31 2026

.TODAY...Sunny, warmer. Highs 70 to 80.
.TONIGHT...Partly cloudy. Lows 36 to 46.
.TUESDAY...Mostly sunny in the morning...then rain showers likely
and a chance of thunderstorms in the afternoon. Highs 70 to 80.
.TUESDAY NIGHT...Rain showers and a slight chance of
thunderstorms. Lows 34 to 44.
.WEDNESDAY...Partly sunny with a chance of rain showers and a
slight chance of thunderstorms. Highs 56 to 66.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of rain. Lows
31 to 41.
.THURSDAY...Partly sunny with a chance of rain showers, snow and
a slight chance of thunderstorms. Highs 55 to 65.
.THURSDAY NIGHT THROUGH FRIDAY NIGHT...Partly cloudy with a
slight chance of rain. Lows 32 to 42. Highs 62 to 72.
.SATURDAY...Mostly sunny. Highs 66 to 76.
.SATURDAY NIGHT...Partly cloudy with a slight chance of rain.
Lows 36 to 46.
.SUNDAY...Partly sunny with a chance of rain. Highs 64 to 74.

$$

IDZ073-312200-
Sun Valley Region-
Including Ketchum, Sun Valley, and Galena
1231 AM MDT Mon Aug 31 2026

.TODAY...Sunny. Highs 71 to 80.
.TONIGHT...Increasing clouds. Lows 41 to 51.
.TUESDAY...Rain showers likely and a chance of thunderstorms in
the afternoon. Highs 69 to 78.
.TUESDAY NIGHT...Rain showers likely and a slight chance of
thunderstorms. Lows 39 to 49.
.WEDNESDAY...Mostly sunny with a slight chance of rain. Highs
58 to 68.
.WEDNESDAY NIGHT...Partly cloudy. Lows 36 to 46.
.THURSDAY...Partly sunny with a slight chance of rain. Highs
60 to 69.
.THURSDAY NIGHT...Partly cloudy with a slight chance of rain.
Lows 37 to 47.
.FRIDAY THROUGH SATURDAY...Partly cloudy. Highs 65 to 75. Lows
39 to 49.
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows 42 to 52.
.SUNDAY...Partly sunny with a chance of rain showers and a slight
chance of thunderstorms. Highs 64 to 73.

$$

IDZ052-053-312200-
Arco/Mud Lake Desert-Upper Snake River Plain-
Including Mud Lake, INL, Craters of the Moon NM,
Idaho Falls, Rexburg, and St. Anthony
1231 AM MDT Mon Aug 31 2026

.TODAY...Sunny. Highs 74 to 82. Northeast winds up to 10 mph...
shifting to south in the afternoon.
.TONIGHT...Mostly cloudy. A chance of rain showers and a slight
chance of thunderstorms after midnight. Lows 48 to 56. Southeast
winds up to 10 mph. Chance of precipitation 50 percent.
.TUESDAY...Partly sunny. A chance of rain in the morning...then a
slight chance of showers and thunderstorms in the afternoon.
Highs 73 to 81. East winds around 10 mph...shifting to southeast
in the afternoon. Chance of precipitation 50 percent.
.TUESDAY NIGHT...Rain showers likely and a slight chance of
thunderstorms. Lows 46 to 55. Southeast winds 10 to 15 mph.
Chance of precipitation 70 percent.
.WEDNESDAY...Mostly sunny. Breezy. Highs 67 to 74. Southwest
winds 15 to 25 mph.
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows 43 to 51.
Highs 70 to 77.
.THURSDAY NIGHT THROUGH FRIDAY NIGHT...Mostly clear. Lows 44 to
54. Highs 74 to 81.
.SATURDAY...Mostly sunny. Highs 76 to 83.
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows 49 to 57.
.SUNDAY...Partly sunny with a chance of rain showers and a slight
chance of thunderstorms. Highs 71 to 78.

$$

IDZ051-312200-
Shoshone/Lava Beds-
Including Shoshone, Richfield, and Carey
1231 AM MDT Mon Aug 31 2026

.TODAY...Sunny, warmer. Highs 80 to 87. Northeast winds around
10 mph...shifting to southeast in the afternoon.
.TONIGHT...Mostly cloudy. Lows 51 to 60. Southeast winds around
10 mph...shifting to east after midnight.
.TUESDAY...Partly sunny. A chance of rain showers and a slight
chance of thunderstorms in the afternoon. Highs 79 to 86. East
winds 10 to 15 mph...shifting to southeast with gusts to around
25 mph in the afternoon. Chance of precipitation 50 percent.
.TUESDAY NIGHT...Partly cloudy with a chance of rain showers and
a slight chance of thunderstorms. Lows 48 to 55. East winds 10 to
15 mph. Chance of precipitation 50 percent.
.WEDNESDAY...Mostly sunny. Highs 69 to 76. Southwest winds 10 to
20 mph.
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows 45 to 52.
Highs 72 to 79.
.THURSDAY NIGHT THROUGH FRIDAY NIGHT...Mostly clear. Lows 45 to
55. Highs 75 to 82.
.SATURDAY...Mostly sunny. Highs 78 to 85.
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows 52 to 59.
.SUNDAY...Partly sunny with a chance of rain showers and a slight
chance of thunderstorms. Highs 74 to 81.

$$

IDZ056-057-312200-
Southern Hills/Albion Mountains-Raft River Region-
Including Albion, Almo, Malta, Rockland,
and Holbrook
1231 AM MDT Mon Aug 31 2026

.TODAY...Sunny, warmer. Highs 79 to 86. East winds up to 10 mph...
shifting to south in the afternoon.
.TONIGHT...Mostly cloudy. A chance of rain showers and a slight
chance of thunderstorms in the evening. Breezy. Lows 49 to 59.
South winds 10 to 15 mph...increasing to 15 to 25 mph after
midnight.
.TUESDAY...Mostly cloudy. A slight chance of showers and
thunderstorms in the afternoon. Breezy. Highs 76 to 83. South
winds 15 to 25 mph.
.TUESDAY NIGHT...Mostly clear. Lows 47 to 57. South winds 10 to
20 mph.
.WEDNESDAY...Mostly sunny. Highs 70 to 79. Southwest winds 10 to
15 mph.
.WEDNESDAY NIGHT...Partly cloudy. Lows 44 to 54.
.THURSDAY THROUGH FRIDAY...Mostly clear. Highs 74 to 83. Lows
43 to 53.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows 46 to 56. Highs
77 to 84.
.SATURDAY NIGHT...Mostly cloudy with a slight chance of showers
and thunderstorms. Lows 50 to 60.
.SUNDAY...Partly sunny with a chance of rain showers and a slight
chance of thunderstorms. Highs 73 to 80.

$$

IDZ058-059-312200-
Marsh and Arbon Highlands-Franklin/Eastern Oneida Region-
Including Inkom, McCammon, Downey,
Lava Hot Springs, Malad, Preston, and Thatcher
1231 AM MDT Mon Aug 31 2026

.TODAY...Sunny, warmer. Highs 75 to 85.
.TONIGHT...Mostly cloudy. A chance of showers and thunderstorms
in the evening...then a chance of rain showers and a slight
chance of thunderstorms after midnight. Lows 48 to 58.
.TUESDAY...Mostly sunny. A slight chance of showers and
thunderstorms in the afternoon. Highs 72 to 82.
.TUESDAY NIGHT...Partly cloudy with a chance of rain showers and
a slight chance of thunderstorms. Lows 48 to 58.
.WEDNESDAY...Sunny. Highs 67 to 77.
.WEDNESDAY NIGHT...Partly cloudy. Lows 43 to 53.
.THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs 70 to 80. Lows
45 to 55.
.FRIDAY...Sunny. Highs 73 to 83.
.FRIDAY NIGHT...Mostly clear. Lows 48 to 58.
.SATURDAY...Mostly sunny. Highs 74 to 84.
.SATURDAY NIGHT...Mostly cloudy with a slight chance of showers
and thunderstorms. Lows 50 to 60.
.SUNDAY...Partly sunny with a chance of showers and
thunderstorms. Highs 70 to 80.

$$

IDZ054-312200-
Lower Snake River Plain-
Including Pocatello, Blackfoot, American Falls,
Shelley, and Fort Hall
1231 AM MDT Mon Aug 31 2026

.TODAY...Sunny, warmer. Highs 77 to 85. Northeast winds up to
10 mph...shifting to northwest in the afternoon.
.TONIGHT...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 50 to 57.
Southeast winds around 10 mph. Chance of precipitation
50 percent.
.TUESDAY...Mostly sunny. Highs 75 to 83. East winds around
10 mph...shifting to south with gusts to around 25 mph in the
afternoon.
.TUESDAY NIGHT...Partly cloudy with a chance of rain showers and
a slight chance of thunderstorms. Lows 46 to 56. Southeast winds
10 to 15 mph. Chance of precipitation 50 percent.
.WEDNESDAY...Mostly sunny. Breezy. Highs 67 to 76. Southwest
winds 15 to 25 mph.
.WEDNESDAY NIGHT...Partly cloudy. Lows 42 to 52.
.THURSDAY THROUGH FRIDAY...Mostly clear. Highs 72 to 82. Lows
43 to 52.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows 47 to 56. Highs
76 to 84.
.SATURDAY NIGHT...Mostly cloudy with a slight chance of showers
and thunderstorms. Lows 50 to 58.
.SUNDAY...Partly sunny with a chance of rain showers and a slight
chance of thunderstorms. Highs 71 to 80.

$$

IDZ075-312200-
Wood River Foothills-
Including Hailey, Bellevue, and Picabo
1231 AM MDT Mon Aug 31 2026

.TODAY...Sunny. Highs 73 to 83. North winds up to 10 mph...
shifting to south around 10 mph in the afternoon.
.TONIGHT...Mostly cloudy. Lows 48 to 58. Southeast winds up to
10 mph...shifting to northeast after midnight.
.TUESDAY...Partly sunny. A chance of showers and thunderstorms in
the afternoon. Highs 71 to 81. East winds 10 to 15 mph. Gusts up
to 25 mph in the afternoon.
.TUESDAY NIGHT...Rain showers likely and a slight chance of
thunderstorms. Colder. Lows 43 to 53. Northeast winds around
10 mph.
.WEDNESDAY...Mostly sunny. Highs 61 to 71. Southwest winds 10 to
20 mph.
.WEDNESDAY NIGHT THROUGH FRIDAY...Partly cloudy. Lows 42 to 52.
Highs 65 to 75.
.FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows 44 to 54. Highs
70 to 80.
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows 47 to 57.
.SUNDAY...Partly sunny with a chance of rain showers and a slight
chance of thunderstorms. Highs 66 to 76.

$$

IDZ069-312200-
Lost River Range-
Including Borah Peak
1231 AM MDT Mon Aug 31 2026

.TODAY...Sunny. Highs 69 to 79.
.TONIGHT...Increasing clouds. Lows 47 to 54.
.TUESDAY...Partly sunny. A chance of showers and thunderstorms in
the afternoon. Highs 67 to 77.
.TUESDAY NIGHT...Rain showers and a slight chance of
thunderstorms. Lows 45 to 52.
.WEDNESDAY...Mostly sunny with a chance of rain. Highs 61 to 70.
.WEDNESDAY NIGHT...Mostly cloudy. Lows 42 to 49.
.THURSDAY THROUGH SATURDAY...Partly cloudy. Breezy. Highs 65 to
75. Lows 43 to 52.
.SATURDAY NIGHT...Partly cloudy with a slight chance of rain.
Lows 48 to 55.
.SUNDAY...Partly sunny with a chance of rain showers and a slight
chance of thunderstorms. Highs 63 to 73.

$$

IDZ063-064-312200-
Caribou Range-Big Hole Mountains-
Including Wayan, Swan Valley, and Victor
1231 AM MDT Mon Aug 31 2026

.TODAY...Sunny, warmer. Highs 74 to 81.
.TONIGHT...A slight chance of showers and thunderstorms in the
evening...then rain showers likely and a slight chance of
thunderstorms after midnight. Lows 44 to 54.
.TUESDAY...Rain likely and a slight chance of thunderstorms in
the morning...then a slight chance of showers and thunderstorms
in the afternoon. Highs 69 to 76.
.TUESDAY NIGHT...Mostly cloudy with a chance of rain showers and
a slight chance of thunderstorms. Lows 42 to 52.
.WEDNESDAY...Sunny. Highs 67 to 74.
.WEDNESDAY NIGHT...Partly cloudy. Lows 39 to 49.
.THURSDAY THROUGH FRIDAY...Mostly clear. Highs 69 to 79. Lows
40 to 50.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows 43 to 53. Highs
74 to 81.
.SATURDAY NIGHT...Mostly cloudy with a slight chance of showers
and thunderstorms. Lows 46 to 56.
.SUNDAY...Partly sunny with a chance of showers and
thunderstorms. Highs 70 to 77.

$$

IDZ068-070-312200-
Lost River Valley-Challis/Pahsimeroi Valleys-
Including Howe, Arco, Mackay, Chilly, and Challis
1231 AM MDT Mon Aug 31 2026

.TODAY...Sunny. Highs 73 to 83. Light and variable winds...
becoming south around 10 mph in the afternoon.
.TONIGHT...Increasing clouds. Lows 45 to 53. South winds up to
10 mph.
.TUESDAY...Partly sunny. A chance of showers and thunderstorms in
the afternoon. Highs 71 to 81. Southeast winds 10 to 15 mph.
.TUESDAY NIGHT...Rain showers likely and a slight chance of
thunderstorms. Lows 43 to 51. South winds around 10 mph.
.WEDNESDAY...Mostly sunny with a chance of rain. Highs 63 to 73.
South winds 10 to 15 mph.
.WEDNESDAY NIGHT THROUGH SATURDAY...Partly cloudy. Lows 40 to 50.
Highs 67 to 77.
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows 46 to 54.
.SUNDAY...Partly sunny with a chance of rain showers and a slight
chance of thunderstorms. Highs 67 to 77.

$$

IDZ066-067-312200-
Centennial Mountains - Island Park-Beaverhead - Lemhi Highlands-
Including Island Park, Kilgore, Dubois, Spencer,
Edie School, and Small
1231 AM MDT Mon Aug 31 2026

.TODAY...Sunny. Highs 70 to 77.
.TONIGHT...Mostly cloudy. A slight chance of rain after midnight.
Lows 41 to 51.
.TUESDAY...Mostly cloudy with a chance of rain in the morning...
then mostly sunny in the afternoon. Highs 68 to 75.
.TUESDAY NIGHT...Rain showers and a chance of thunderstorms. Lows
40 to 50.
.WEDNESDAY...Mostly sunny. Highs 63 to 72.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Partly cloudy. Lows
38 to 48. Highs 64 to 73.
.FRIDAY...Sunny. Highs 68 to 77.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows 41 to 51. Highs
69 to 79.
.SATURDAY NIGHT...Mostly cloudy with a slight chance of showers
and thunderstorms. Lows 44 to 54.
.SUNDAY...Partly sunny with a chance of rain showers and a slight
chance of thunderstorms. Highs 66 to 75.

$$

IDZ065-312200-
Teton Valley-
Including Ashton, Tetonia, and Driggs
1231 AM MDT Mon Aug 31 2026

.TODAY...Sunny. Highs around 76.
.TONIGHT...Mostly cloudy. A chance of rain showers and a slight
chance of thunderstorms after midnight. Lows 43 to 51.
.TUESDAY...Rain likely in the morning...then mostly sunny with a
slight chance of showers and thunderstorms in the afternoon.
Highs 71 to 78.
.TUESDAY NIGHT...Rain showers likely and a chance of
thunderstorms. Lows 42 to 50.
.WEDNESDAY...Mostly sunny. Highs around 71.
.WEDNESDAY NIGHT...Partly cloudy. Lows 38 to 46.
.THURSDAY THROUGH FRIDAY NIGHT...Mostly clear. Highs 72 to 79.
Lows 40 to 50.
.SATURDAY...Mostly sunny. Highs around 79.
.SATURDAY NIGHT...Mostly cloudy with a slight chance of showers
and thunderstorms. Lows 45 to 53.
.SUNDAY...Partly sunny with a chance of showers and
thunderstorms. Highs around 75.

$$

IDZ062-312200-
Blackfoot Mountains-
Including Grace, Soda Springs, Henry, and Bone
1231 AM MDT Mon Aug 31 2026

.TODAY...Sunny, warmer. Highs 72 to 81.
.TONIGHT...A chance of showers and thunderstorms in the evening...
then rain showers likely and a slight chance of thunderstorms
after midnight. Lows 47 to 57.
.TUESDAY...Partly sunny. A chance of rain in the morning...then a
slight chance of showers and thunderstorms in the afternoon.
Highs 68 to 78.
.TUESDAY NIGHT...Partly cloudy with a chance of rain showers and
a slight chance of thunderstorms. Lows 46 to 56.
.WEDNESDAY...Sunny, breezy. Highs 64 to 74.
.WEDNESDAY NIGHT...Partly cloudy. Lows 42 to 52.
.THURSDAY THROUGH FRIDAY...Mostly clear. Breezy. Highs 68 to 78.
Lows 43 to 53.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows 46 to 56. Highs
71 to 80.
.SATURDAY NIGHT...Mostly cloudy with a slight chance of showers
and thunderstorms. Lows 48 to 58.
.SUNDAY...Partly sunny with a chance of showers and
thunderstorms. Highs 68 to 77.

$$

IDZ060-312200-
Bear River Range-
Including Emigration Summit
1231 AM MDT Mon Aug 31 2026

.TODAY...Sunny, warmer. Highs 74 to 81.
.TONIGHT...Rain showers likely and a chance of thunderstorms in
the evening...then rain showers likely and a slight chance of
thunderstorms after midnight. Lows 53 to 60.
.TUESDAY...Mostly sunny. Highs 70 to 77.
.TUESDAY NIGHT...Partly cloudy with a chance of rain showers and
a slight chance of thunderstorms. Lows 54 to 61.
.WEDNESDAY...Sunny, breezy. Highs 68 to 75.
.WEDNESDAY NIGHT...Partly cloudy. Lows 50 to 58.
.THURSDAY...Sunny. Highs 70 to 77.
.THURSDAY NIGHT...Mostly clear. Lows 52 to 59.
.FRIDAY...Sunny. Highs 73 to 80.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows 54 to 62. Highs
74 to 81.
.SATURDAY NIGHT...Mostly cloudy with a slight chance of showers
and thunderstorms. Lows 56 to 63.
.SUNDAY...Partly sunny with a chance of showers and
thunderstorms. Highs 71 to 78.

$$

IDZ061-312200-
Bear Lake Valley-
Including St. Charles, Montpelier, and Georgetown
1231 AM MDT Mon Aug 31 2026

.TODAY...Sunny. Highs 72 to 79.
.TONIGHT...Mostly cloudy. A chance of showers and thunderstorms
in the evening...then a chance of rain showers and a slight
chance of thunderstorms after midnight. Lows 43 to 53.
.TUESDAY...Partly sunny. A slight chance of rain in the morning...
then a slight chance of showers and thunderstorms in the
afternoon. Highs 69 to 76.
.TUESDAY NIGHT...Partly cloudy with a chance of rain showers and
a slight chance of thunderstorms. Lows 42 to 52.
.WEDNESDAY...Sunny. Highs 68 to 75.
.WEDNESDAY NIGHT...Partly cloudy. Lows 39 to 49.
.THURSDAY...Sunny. Highs 70 to 77.
.THURSDAY NIGHT...Mostly clear. Lows 41 to 51.
.FRIDAY...Sunny. Highs 73 to 80.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows 44 to 54. Highs
73 to 80.
.SATURDAY NIGHT...Mostly cloudy with a slight chance of showers
and thunderstorms. Lows 45 to 55.
.SUNDAY...Partly sunny with a chance of showers and
thunderstorms. Highs 69 to 77.

$$

IDZ071-074-312200-
Frank Church Wilderness-Big Lost Highlands/Copper Basin-
Including Clayton and Copper Basin
1231 AM MDT Mon Aug 31 2026

.TODAY...Sunny, warmer. Highs 71 to 81.
.TONIGHT...Increasing clouds. Lows 41 to 51.
.TUESDAY...Mostly sunny in the morning...then rain showers likely
and a chance of thunderstorms in the afternoon. Highs 70 to 80.
.TUESDAY NIGHT...Rain showers likely and a slight chance of
thunderstorms. Lows 38 to 48.
.WEDNESDAY...Mostly sunny with a chance of rain showers and a
slight chance of thunderstorms. Highs 59 to 69.
.WEDNESDAY NIGHT...Partly cloudy. Lows 35 to 45.
.THURSDAY...Partly sunny with a slight chance of rain. Highs
58 to 68.
.THURSDAY NIGHT THROUGH SATURDAY...Partly cloudy. Lows 37 to 47.
Highs 66 to 76.
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows 41 to 51.
.SUNDAY...Partly sunny with a chance of rain showers and a slight
chance of thunderstorms. Highs 66 to 76.

$$

IDZ055-312200-
Eastern Magic Valley-
Including Burley, Rupert, Heyburn, and Oakley
1231 AM MDT Mon Aug 31 2026

.TODAY...Sunny, warmer. Highs 81 to 88. East winds up to 10 mph.
.TONIGHT...Mostly cloudy. A chance of rain showers and a slight
chance of thunderstorms in the evening. Lows 52 to 59. Southeast
winds 10 to 15 mph. Chance of precipitation 50 percent.
.TUESDAY...Partly sunny. Highs 79 to 86. East winds 10 to
15 mph...shifting to south 10 to 20 mph in the afternoon.
.TUESDAY NIGHT...Mostly clear with a slight chance of rain. Lows
49 to 58. Southeast winds 10 to 15 mph. Chance of precipitation
20 percent.
.WEDNESDAY...Mostly sunny. Highs 72 to 79. Southwest winds 10 to
20 mph.
.WEDNESDAY NIGHT...Partly cloudy. Lows 45 to 54.
.THURSDAY THROUGH FRIDAY...Mostly clear. Highs 75 to 85. Lows
45 to 52.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows 48 to 55. Highs
80 to 87.
.SATURDAY NIGHT...Partly cloudy with a slight chance of showers
and thunderstorms. Lows 52 to 60.
.SUNDAY...Partly sunny with a chance of rain showers and a slight
chance of thunderstorms. Highs 75 to 82.

$$



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www.weather.gov/pocatello