405
FPUS55 KPIH 191832
ZFPPIH
ZONE FORECAST PRODUCT FOR IDAHO
NATIONAL WEATHER SERVICE POCATELLO ID
1231 PM MDT WED AUG 19 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.
IDZ072-201000-
SAWTOOTH/STANLEY BASIN-
INCLUDING STANLEY
1231 PM MDT WED AUG 19 2026
TONIGHT
MOSTLY CLEAR. LOWS 43 TO 53.
THURSDAY
SUNNY. HIGHS 80 TO 90.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 48 TO 58.
FRIDAY
MOSTLY SUNNY. HIGHS 81 TO 91.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS 48 TO
58.
SATURDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 72 TO 82.
SATURDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND
A SLIGHT CHANCE OF THUNDERSTORMS. LOWS 43 TO 53.
SUNDAY AND SUNDAY NIGHT
MOSTLY CLEAR. HIGHS 71 TO 81. LOWS
38 TO 48.
MONDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 72 TO 82.
MONDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN. LOWS
41 TO 51.
TUESDAY
MOSTLY SUNNY WITH A CHANCE OF RAIN SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. HIGHS 72 TO 82.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 42 TO 52.
WEDNESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 72 TO 82.
IDZ073-201000-
SUN VALLEY REGION-
INCLUDING KETCHUM, SUN VALLEY, AND GALENA
1231 PM MDT WED AUG 19 2026
TONIGHT
MOSTLY CLEAR. LOWS 50 TO 60.
THURSDAY
SUNNY. HIGHS 83 TO 92.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 54 TO 64.
FRIDAY
MOSTLY SUNNY. HIGHS 83 TO 93.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. LOWS 53 TO 63.
SATURDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 75 TO 84.
SATURDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN.
LOWS 49 TO 59.
SUNDAY AND SUNDAY NIGHT
MOSTLY CLEAR. HIGHS 75 TO 83. LOWS
45 TO 55.
MONDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 74 TO 83.
MONDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN. LOWS
47 TO 57.
TUESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 75 TO 83.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS 47 TO 57.
WEDNESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 75 TO 83.
IDZ052-053-201000-
ARCO/MUD LAKE DESERT-UPPER SNAKE RIVER PLAIN-
INCLUDING MUD LAKE, INL, CRATERS OF THE MOON NM,
IDAHO FALLS, REXBURG, AND ST. ANTHONY
1231 PM MDT WED AUG 19 2026
..HEAT ADVISORY IN EFFECT FROM NOON TO 10 PM MDT FRIDAY
TONIGHT
MOSTLY CLEAR. LOWS 51 TO 61. SOUTH WINDS AROUND
10 MPH...SHIFTING TO NORTHEAST AFTER MIDNIGHT.
THURSDAY
SUNNY. HIGHS 88 TO 95. NORTHEAST WINDS AROUND
10 MPH...SHIFTING TO SOUTHWEST UP TO 10 MPH IN THE AFTERNOON.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 55 TO 65. SOUTHWEST WINDS
AROUND 10 MPH...SHIFTING TO NORTHEAST AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS 90 TO 97. NORTHEAST WINDS AROUND
10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. LOWS 57 TO 65. EAST WINDS AROUND
10 MPH. CHANCE OF PRECIPITATION 40 PERCENT.
SATURDAY
PARTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 81 TO 88.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND
A SLIGHT CHANCE OF THUNDERSTORMS. LOWS 53 TO 61.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. HIGHS 80 TO 87. LOWS
50 TO 59.
MONDAY AND MONDAY NIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS. HIGHS 79 TO 86. LOWS 50 TO 59.
TUESDAY
MOSTLY SUNNY. HIGHS 80 TO 87.
TUESDAY NIGHT AND WEDNESDAY
MOSTLY CLOUDY. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS. LOWS 50 TO 59. HIGHS 81 TO 88.
IDZ051-201000-
SHOSHONE/LAVA BEDS-
INCLUDING SHOSHONE, RICHFIELD, AND CAREY
1231 PM MDT WED AUG 19 2026
..HEAT ADVISORY IN EFFECT FROM NOON TO 10 PM MDT THURSDAY
..HEAT ADVISORY IN EFFECT FROM NOON TO 10 PM MDT FRIDAY
TONIGHT...MOSTLY CLEAR. LOWS 58 TO 66. WEST WINDS UP TO 10 MPH
SHIFTING TO NORTHEAST AROUND 10 MPH AFTER MIDNIGHT.
THURSDAY
SUNNY. HIGHS 93 TO 100. NORTHEAST WINDS 10 TO
15 MPH...SHIFTING TO SOUTH IN THE AFTERNOON.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 62 TO 69. WEST WINDS AROUND
10 MPH...SHIFTING TO NORTH AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS 94 TO 101. EAST WINDS AROUND
10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. LOWS 63 TO 70. EAST WINDS 10 TO
15 MPH. CHANCE OF PRECIPITATION 40 PERCENT.
SATURDAY
PARTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 85 TO 92.
SATURDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN.
LOWS 57 TO 64.
SUNDAY THROUGH MONDAY
PARTLY CLOUDY. HIGHS 83 TO 91. LOWS
54 TO 61.
MONDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN. LOWS
56 TO 63.
TUESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 85 TO 92.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN. LOWS
56 TO 63.
WEDNESDAY
PARTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 84 TO 91.
IDZ056-057-201000-
SOUTHERN HILLS/ALBION MOUNTAINS-RAFT RIVER REGION-
INCLUDING ALBION, ALMO, MALTA, ROCKLAND,
AND HOLBROOK
1231 PM MDT WED AUG 19 2026
..HEAT ADVISORY IN EFFECT FROM NOON TO 10 PM MDT THURSDAY
..HEAT ADVISORY IN EFFECT FROM NOON TO 10 PM MDT FRIDAY
TONIGHT
MOSTLY CLEAR. LOWS 59 TO 69. NORTH WINDS UP TO
10 MPH...SHIFTING TO SOUTHEAST AFTER MIDNIGHT.
THURSDAY
MOSTLY SUNNY. HIGHS 91 TO 98. SOUTH WINDS 10 TO
15 MPH.
THURSDAY NIGHT
DECREASING CLOUDS. LOWS 62 TO 72. WEST WINDS
AROUND 10 MPH...SHIFTING TO SOUTH UP TO 10 MPH AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS 92 TO 99. SOUTHEAST WINDS AROUND
10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. LOWS 62 TO 72. SOUTH WINDS 10 TO
15 MPH.
SATURDAY
RAIN SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS.
HIGHS 84 TO 91.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND
A SLIGHT CHANCE OF THUNDERSTORMS. LOWS 57 TO 67.
SUNDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 81 TO 89.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. LOWS 54 TO 64.
MONDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 82 TO 89.
MONDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 55 TO 65.
TUESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 83 TO 90.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS 55 TO 65.
WEDNESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 83 TO 90.
IDZ058-059-201000-
MARSH AND ARBON HIGHLANDS-FRANKLIN/EASTERN ONEIDA REGION-
INCLUDING INKOM, MCCAMMON, DOWNEY,
LAVA HOT SPRINGS, MALAD, PRESTON, AND THATCHER
1231 PM MDT WED AUG 19 2026
..HEAT ADVISORY IN EFFECT FROM NOON TO 10 PM MDT FRIDAY
TONIGHT
MOSTLY CLEAR. LOWS 54 TO 64.
THURSDAY
SUNNY. HIGHS 87 TO 97.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 58 TO 68.
FRIDAY
MOSTLY SUNNY. HIGHS 88 TO 98.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. LOWS 59 TO 69.
SATURDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 79 TO 89.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND
A SLIGHT CHANCE OF THUNDERSTORMS. LOWS 54 TO 64.
SUNDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 78 TO 88.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 52 TO 62.
MONDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 78 TO 88.
MONDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 52 TO 62.
TUESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 79 TO 89.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS 53 TO 63.
WEDNESDAY
MOSTLY SUNNY. HIGHS 79 TO 89.
IDZ054-201000-
LOWER SNAKE RIVER PLAIN-
INCLUDING POCATELLO, BLACKFOOT, AMERICAN FALLS,
SHELLEY, AND FORT HALL
1231 PM MDT WED AUG 19 2026
..HEAT ADVISORY IN EFFECT FROM NOON TO 10 PM MDT THURSDAY
..HEAT ADVISORY IN EFFECT FROM NOON TO 10 PM MDT FRIDAY
TONIGHT
MOSTLY CLEAR. LOWS 53 TO 62. SOUTHWEST WINDS UP TO
10 MPH...SHIFTING TO NORTHEAST AFTER MIDNIGHT.
THURSDAY
SUNNY. HIGHS 88 TO 98. NORTHEAST WINDS AROUND
10 MPH...SHIFTING TO SOUTHWEST IN THE AFTERNOON.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 57 TO 65. SOUTHWEST WINDS
AROUND 10 MPH...SHIFTING TO SOUTHEAST AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS 89 TO 99. NORTHEAST WINDS UP TO
10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 59 TO 67. SOUTH WINDS AROUND 10 MPH. CHANCE
OF PRECIPITATION 20 PERCENT.
SATURDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 82 TO 90.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS 54 TO 62.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. HIGHS 80 TO 88. LOWS
51 TO 60.
MONDAY AND MONDAY NIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS. HIGHS 80 TO 88. LOWS 51 TO 60.
TUESDAY
MOSTLY SUNNY. HIGHS 81 TO 89.
TUESDAY NIGHT AND WEDNESDAY
MOSTLY CLOUDY. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS. LOWS 52 TO 61. HIGHS 82 TO 90.
IDZ075-201000-
WOOD RIVER FOOTHILLS-
INCLUDING HAILEY, BELLEVUE, AND PICABO
1231 PM MDT WED AUG 19 2026
..HEAT ADVISORY IN EFFECT FROM NOON TO 10 PM MDT THURSDAY
..HEAT ADVISORY IN EFFECT FROM NOON TO 10 PM MDT FRIDAY
TONIGHT
MOSTLY CLEAR. LOWS 55 TO 65. WEST WINDS AROUND
10 MPH...SHIFTING TO NORTH AFTER MIDNIGHT.
THURSDAY
SUNNY. HIGHS 85 TO 95. NORTHEAST WINDS AROUND
10 MPH...SHIFTING TO SOUTHWEST IN THE AFTERNOON.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 59 TO 69. WEST WINDS AROUND
10 MPH...SHIFTING TO NORTH AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS 86 TO 96. EAST WINDS AROUND 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. LOWS 58 TO 68. NORTH WINDS AROUND
10 MPH.
SATURDAY
PARTLY SUNNY WITH A CHANCE OF RAIN SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. HIGHS 78 TO 88.
SATURDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN.
LOWS 53 TO 63.
SUNDAY
SUNNY. HIGHS 76 TO 86.
SUNDAY NIGHT AND MONDAY
PARTLY CLOUDY. LOWS 50 TO 60. HIGHS
76 TO 86.
MONDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN. LOWS
51 TO 61.
TUESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 77 TO 87.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN. LOWS
52 TO 62.
WEDNESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF RAIN. HIGHS
77 TO 87.
IDZ069-201000-
LOST RIVER RANGE-
INCLUDING BORAH PEAK
1231 PM MDT WED AUG 19 2026
TONIGHT
MOSTLY CLEAR. LOWS 54 TO 62.
THURSDAY
SUNNY. HIGHS 81 TO 91.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 58 TO 66.
FRIDAY
MOSTLY SUNNY. HIGHS 81 TO 91.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. LOWS 58 TO 65.
SATURDAY
RAIN SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS.
HIGHS 74 TO 84.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND
A SLIGHT CHANCE OF THUNDERSTORMS. LOWS 54 TO 61.
SUNDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 73 TO 83.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 51 TO 58.
MONDAY
MOSTLY SUNNY WITH A CHANCE OF RAIN SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS. HIGHS 72 TO 82.
MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS 52 TO
59.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 72 TO 82.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS 52 TO 59.
WEDNESDAY
PARTLY SUNNY WITH A CHANCE OF RAIN SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. HIGHS 73 TO 83.
IDZ063-064-201000-
CARIBOU RANGE-BIG HOLE MOUNTAINS-
INCLUDING WAYAN, SWAN VALLEY, AND VICTOR
1231 PM MDT WED AUG 19 2026
TONIGHT
MOSTLY CLEAR. LOWS 47 TO 57.
THURSDAY
SUNNY. HIGHS 85 TO 93.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 52 TO 62.
FRIDAY
MOSTLY SUNNY. HIGHS 87 TO 95.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN AND A SLIGHT
CHANCE OF THUNDERSTORMS. LOWS 54 TO 63.
SATURDAY
RAIN SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS.
HIGHS 77 TO 84.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS 49 TO 59. HIGHS 76 TO 83.
SUNDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 47 TO 57.
MONDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 75 TO 82.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS. LOWS 46 TO 56. HIGHS 76 TO 83.
TUESDAY NIGHT AND WEDNESDAY
MOSTLY CLOUDY. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS. LOWS 46 TO 56. HIGHS 77 TO 84.
IDZ068-070-201000-
LOST RIVER VALLEY-CHALLIS/PAHSIMEROI VALLEYS-
INCLUDING HOWE, ARCO, MACKAY, CHILLY, AND CHALLIS
1231 PM MDT WED AUG 19 2026
TONIGHT
MOSTLY CLEAR. LOWS 52 TO 61. NORTHWEST WINDS UP TO
10 MPH IN THE EVENING...BECOMING LIGHT AND VARIABLE.
THURSDAY...SUNNY. HIGHS 83 TO 93. LIGHT AND VARIABLE WINDS
BECOMING SOUTHWEST AROUND 10 MPH IN THE AFTERNOON.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 56 TO 64. WEST WINDS UP TO
10 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS 84 TO 94. SOUTHEAST WINDS UP TO
10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. LOWS 56 TO 64. SOUTH WINDS UP TO
10 MPH.
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. LOWS 52 TO 60.
SUNDAY
MOSTLY SUNNY. HIGHS 76 TO 86.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 49 TO 57.
MONDAY
MOSTLY SUNNY WITH A CHANCE OF RAIN SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS. HIGHS 74 TO 84.
MONDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN. LOWS
49 TO 58.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 75 TO 85.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS 50 TO 58.
WEDNESDAY
PARTLY SUNNY WITH A CHANCE OF RAIN SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. HIGHS 76 TO 86.
IDZ066-067-201000-
CENTENNIAL MOUNTAINS - ISLAND PARK-BEAVERHEAD - LEMHI HIGHLANDS-
INCLUDING ISLAND PARK, KILGORE, DUBOIS, SPENCER,
EDIE SCHOOL, AND SMALL
1231 PM MDT WED AUG 19 2026
TONIGHT
MOSTLY CLEAR. LOWS 48 TO 58.
THURSDAY
SUNNY. HIGHS 82 TO 90.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 53 TO 63.
FRIDAY
MOSTLY SUNNY. HIGHS 83 TO 92.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. LOWS 53 TO 63.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS AND THUNDERSTORMS. HIGHS 75 TO 83. LOWS 49 TO 59.
SUNDAY
PARTLY SUNNY WITH A CHANCE OF RAIN SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS. HIGHS 74 TO 83.
SUNDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 46 TO 56.
MONDAY
MOSTLY SUNNY WITH A CHANCE OF RAIN SHOWERS AND A SLIGHT
CHANCE OF 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 THROUGH WEDNESDAY
MOSTLY CLOUDY WITH A SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS. HIGHS 73 TO 83. LOWS 46 TO 56.
IDZ065-201000-
TETON VALLEY-
INCLUDING ASHTON, TETONIA, AND DRIGGS
1231 PM MDT WED AUG 19 2026
TONIGHT
MOSTLY CLEAR. LOWS 47 TO 55.
THURSDAY
SUNNY, WARMER. HIGHS 85 TO 92.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 52 TO 60.
FRIDAY
MOSTLY SUNNY. HIGHS 87 TO 94.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN. LOWS
54 TO 61.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS AND THUNDERSTORMS. HIGHS 79 TO 86. LOWS 49 TO 57.
SUNDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS AROUND 81.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 46 TO 55.
MONDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS AROUND 80.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS. LOWS 46 TO 54. HIGHS AROUND 81.
TUESDAY NIGHT AND WEDNESDAY
MOSTLY CLOUDY. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS. LOWS 46 TO 55. HIGHS 78 TO 85.
IDZ062-201000-
BLACKFOOT MOUNTAINS-
INCLUDING GRACE, SODA SPRINGS, HENRY, AND BONE
1231 PM MDT WED AUG 19 2026
TONIGHT
MOSTLY CLEAR. LOWS 49 TO 59.
THURSDAY
SUNNY. HIGHS 83 TO 93.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 54 TO 64.
FRIDAY
MOSTLY SUNNY. HIGHS 84 TO 94.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. LOWS 56 TO 66.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS AND THUNDERSTORMS. HIGHS 76 TO 86. LOWS 52 TO 62.
SUNDAY THROUGH MONDAY
PARTLY CLOUDY WITH A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS. HIGHS 74 TO 84. LOWS 49 TO 59.
MONDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 49 TO 59.
TUESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 75 TO 85.
TUESDAY NIGHT AND WEDNESDAY
MOSTLY CLOUDY. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS. LOWS 49 TO 59. HIGHS 75 TO 85.
IDZ060-201000-
BEAR RIVER RANGE-
INCLUDING EMIGRATION SUMMIT
1231 PM MDT WED AUG 19 2026
TONIGHT
MOSTLY CLEAR. LOWS 59 TO 67.
THURSDAY
SUNNY. HIGHS 86 TO 93.
THURSDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN CLEARING.
LOWS 63 TO 71.
FRIDAY
MOSTLY SUNNY. HIGHS 88 TO 95.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. LOWS 65 TO 72.
SATURDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 80 TO 87.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND
A SLIGHT CHANCE OF THUNDERSTORMS. LOWS 60 TO 68.
SUNDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 78 TO 85.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND
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 58 TO 66.
TUESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 78 TO 85.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 58 TO 66.
WEDNESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 79 TO 86.
IDZ061-201000-
BEAR LAKE VALLEY-
INCLUDING ST. CHARLES, MONTPELIER, AND GEORGETOWN
1231 PM MDT WED AUG 19 2026
TONIGHT
MOSTLY CLEAR. LOWS 49 TO 59.
THURSDAY
SUNNY. HIGHS 81 TO 90.
THURSDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN CLEARING.
LOWS 52 TO 62.
FRIDAY
MOSTLY SUNNY. HIGHS 82 TO 92.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. LOWS 54 TO 63.
SATURDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 77 TO 84.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS 50 TO 60.
SUNDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 76 TO 83.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 48 TO 58.
MONDAY THROUGH TUESDAY
PARTLY CLOUDY WITH A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS. HIGHS 75 TO 82. LOWS 48 TO 58.
TUESDAY NIGHT AND WEDNESDAY
PARTLY CLOUDY. LOWS 48 TO 58.
HIGHS 76 TO 83.
IDZ071-074-201000-
FRANK CHURCH WILDERNESS-BIG LOST HIGHLANDS/COPPER BASIN-
INCLUDING CLAYTON AND COPPER BASIN
1231 PM MDT WED AUG 19 2026
TONIGHT
MOSTLY CLEAR. LOWS 48 TO 58.
THURSDAY
SUNNY. HIGHS 81 TO 91.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 52 TO 62.
FRIDAY
MOSTLY SUNNY. HIGHS 81 TO 91.
FRIDAY NIGHT
RAIN SHOWERS LIKELY AND A SLIGHT CHANCE OF
THUNDERSTORMS. LOWS 52 TO 62.
SATURDAY
RAIN SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS.
HIGHS 73 TO 83.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND
A SLIGHT CHANCE OF THUNDERSTORMS. LOWS 48 TO 58.
SUNDAY AND SUNDAY NIGHT
MOSTLY CLEAR. HIGHS 72 TO 82. LOWS
44 TO 54.
MONDAY
MOSTLY SUNNY WITH A CHANCE OF RAIN SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS. HIGHS 72 TO 82.
MONDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN. LOWS
46 TO 56.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF RAIN SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. HIGHS 72 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 72 TO 82.
IDZ055-201000-
EASTERN MAGIC VALLEY-
INCLUDING BURLEY, RUPERT, HEYBURN, AND OAKLEY
1231 PM MDT WED AUG 19 2026
..HEAT ADVISORY IN EFFECT FROM NOON TO 10 PM MDT THURSDAY
..HEAT ADVISORY IN EFFECT FROM NOON TO 10 PM MDT FRIDAY
TONIGHT...MOSTLY CLEAR. LOWS 59 TO 69. WEST WINDS UP TO 10 MPH
SHIFTING TO EAST AFTER MIDNIGHT.
THURSDAY...SUNNY. HIGHS 94 TO 101. EAST WINDS 10 TO 15 MPH
SHIFTING TO WEST IN THE AFTERNOON.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 62 TO 71. SOUTHWEST WINDS
AROUND 10 MPH...SHIFTING TO SOUTH UP TO 10 MPH AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS 94 TO 101. EAST WINDS AROUND
10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. LOWS 64 TO 71. SOUTH WINDS 10 TO
15 MPH. CHANCE OF PRECIPITATION 40 PERCENT.
SATURDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 85 TO 92.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS 59 TO 67.
SUNDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 83 TO 90.
SUNDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN. LOWS
55 TO 64.
MONDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 83 TO 90.
MONDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 56 TO 65.
TUESDAY AND TUESDAY NIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS. HIGHS 85 TO 92. LOWS 57 TO 65.
WEDNESDAY
PARTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 85 TO 92.
WEATHER INFORMATION ON-LINE 24-HOURS A DAY
WWW.WEATHER.GOV/POCATELLO
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