398
FPUS55 KPIH 211832
ZFPPIH
ZONE FORECAST PRODUCT FOR IDAHO
NATIONAL WEATHER SERVICE POCATELLO ID
1231 PM MDT FRI AUG 21 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.
IDZ072-221000-
SAWTOOTH/STANLEY BASIN-
INCLUDING STANLEY
1231 PM MDT FRI AUG 21 2026
TONIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS IN THE
EVENING...THEN A SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT.
LOWS 50 TO 60.
SATURDAY
PARTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS
IN THE AFTERNOON. HIGHS 76 TO 86.
SATURDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN
SHOWERS IN THE EVENING...THEN MOSTLY CLOUDY AFTER MIDNIGHT. LOWS
46 TO 56.
SUNDAY
SUNNY. HIGHS 72 TO 82.
SUNDAY NIGHT
MOSTLY CLEAR. COLDER. LOWS 40 TO 50.
MONDAY
SUNNY WITH A SLIGHT CHANCE OF RAIN SHOWERS. HIGHS 74 TO
84.
MONDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN. LOWS
43 TO 53.
TUESDAY
MOSTLY SUNNY. HIGHS 75 TO 85.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS 44 TO 54.
WEDNESDAY THROUGH THURSDAY NIGHT
PARTLY CLOUDY. HIGHS 73 TO
83. LOWS 40 TO 50.
FRIDAY
SUNNY. HIGHS 71 TO 81.
IDZ073-221000-
SUN VALLEY REGION-
INCLUDING KETCHUM, SUN VALLEY, AND GALENA
1231 PM MDT FRI AUG 21 2026
TONIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS IN THE
EVENING...THEN A SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT.
LOWS 53 TO 63.
SATURDAY
PARTLY SUNNY. A CHANCE OF RAIN SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 78 TO 88.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS.
LOWS 50 TO 60.
SUNDAY
SUNNY. HIGHS 76 TO 85.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 47 TO 57.
MONDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 76 TO 85.
MONDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN. LOWS
48 TO 58.
TUESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 77 TO 86.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 49 TO 59.
WEDNESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 76 TO 85.
WEDNESDAY NIGHT THROUGH FRIDAY
PARTLY CLOUDY. LOWS 45 TO 55.
HIGHS 73 TO 83.
IDZ052-053-221000-
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 FRI AUG 21 2026
..HEAT ADVISORY IN EFFECT UNTIL 10 PM MDT THIS EVENING
TONIGHT
MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING...THEN A SLIGHT CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. LOWS 61 TO 68. SOUTHEAST WINDS AROUND
10 MPH.
SATURDAY...MOSTLY CLOUDY IN THE MORNING
THEN MOSTLY SUNNY WITH
A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
HIGHS 85 TO 92. EAST WINDS UP TO 10 MPH...SHIFTING TO SOUTHWEST
IN THE AFTERNOON. CHANCE OF PRECIPITATION 20 PERCENT.
SATURDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING...THEN A SLIGHT CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. COOLER. LOWS 54 TO 62. SOUTHWEST WINDS
AROUND 10 MPH...SHIFTING TO NORTHEAST UP TO 10 MPH AFTER
MIDNIGHT. CHANCE OF PRECIPITATION 40 PERCENT.
SUNDAY
MOSTLY SUNNY. HIGHS 82 TO 90. SOUTH WINDS AROUND
10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 53 TO 61. SOUTHWEST WINDS
10 TO 15 MPH.
MONDAY
MOSTLY SUNNY. HIGHS 81 TO 89.
MONDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 52 TO 60.
TUESDAY AND TUESDAY NIGHT
PARTLY CLOUDY. HIGHS 82 TO 89. LOWS
53 TO 61.
WEDNESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 82 TO 89.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS 51 TO 60.
THURSDAY THROUGH FRIDAY
PARTLY CLOUDY. HIGHS 79 TO 87. LOWS
50 TO 58.
IDZ051-221000-
SHOSHONE/LAVA BEDS-
INCLUDING SHOSHONE, RICHFIELD, AND CAREY
1231 PM MDT FRI AUG 21 2026
..HEAT ADVISORY IN EFFECT UNTIL 10 PM MDT THIS EVENING
TONIGHT
MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING...THEN A SLIGHT CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. LOWS 64 TO 71. SOUTHWEST WINDS AROUND
10 MPH...SHIFTING TO NORTHEAST AFTER MIDNIGHT.
SATURDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING...THEN A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN
THE AFTERNOON. HIGHS 89 TO 96. EAST WINDS AROUND 10 MPH...
SHIFTING TO SOUTHWEST IN THE AFTERNOON. CHANCE OF PRECIPITATION
20 PERCENT.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN
SHOWERS. LOWS 60 TO 67. SOUTH WINDS AROUND 10 MPH...SHIFTING TO
NORTHEAST UP TO 10 MPH AFTER MIDNIGHT. CHANCE OF PRECIPITATION
20 PERCENT.
SUNDAY
MOSTLY SUNNY. HIGHS 86 TO 93. SOUTH WINDS AROUND
10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 57 TO 64. NORTHWEST WINDS UP
TO 10 MPH.
MONDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 85 TO 92.
MONDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN. LOWS
58 TO 65.
TUESDAY THROUGH FRIDAY
PARTLY CLOUDY. HIGHS 83 TO 93. LOWS
55 TO 65.
IDZ056-057-221000-
SOUTHERN HILLS/ALBION MOUNTAINS-RAFT RIVER REGION-
INCLUDING ALBION, ALMO, MALTA, ROCKLAND,
AND HOLBROOK
1231 PM MDT FRI AUG 21 2026
..HEAT ADVISORY IN EFFECT UNTIL 10 PM MDT THIS EVENING
TONIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN SHOWERS.
LOWS 62 TO 71. SOUTH WINDS 10 TO 15 MPH.
SATURDAY
PARTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS
IN THE AFTERNOON. HIGHS 87 TO 94. SOUTH WINDS 10 TO 15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING...THEN A CHANCE OF
RAIN SHOWERS AFTER MIDNIGHT. LOWS 58 TO 68. SOUTH WINDS AROUND
10 MPH.
SUNDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 83 TO 91. SOUTHWEST WINDS UP TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 56 TO 66. SOUTHWEST WINDS UP TO 10 MPH.
MONDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 83 TO 90.
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 84 TO 91.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS 57 TO 67.
WEDNESDAY THROUGH FRIDAY
PARTLY CLOUDY. HIGHS 82 TO 92. LOWS
54 TO 64.
IDZ058-059-221000-
MARSH AND ARBON HIGHLANDS-FRANKLIN/EASTERN ONEIDA REGION-
INCLUDING INKOM, MCCAMMON, DOWNEY,
LAVA HOT SPRINGS, MALAD, PRESTON, AND THATCHER
1231 PM MDT FRI AUG 21 2026
..HEAT ADVISORY IN EFFECT UNTIL 10 PM MDT THIS EVENING
TONIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN SHOWERS.
LOWS 59 TO 69.
SATURDAY
PARTLY SUNNY. A CHANCE OF RAIN SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 83 TO 93.
SATURDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING...THEN A CHANCE OF
RAIN SHOWERS AFTER MIDNIGHT. LOWS 56 TO 66.
SUNDAY
MOSTLY SUNNY WITH A CHANCE OF RAIN SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS. HIGHS 81 TO 91.
SUNDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN
SHOWERS. LOWS 54 TO 64.
MONDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 79 TO 89.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS 53 TO 63.
TUESDAY THROUGH WEDNESDAY
PARTLY CLOUDY. HIGHS 81 TO 91. LOWS
54 TO 64.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS 53 TO 63.
THURSDAY THROUGH FRIDAY
PARTLY CLOUDY. HIGHS 79 TO 89. LOWS
52 TO 62.
IDZ054-221000-
LOWER SNAKE RIVER PLAIN-
INCLUDING POCATELLO, BLACKFOOT, AMERICAN FALLS,
SHELLEY, AND FORT HALL
1231 PM MDT FRI AUG 21 2026
..HEAT ADVISORY IN EFFECT UNTIL 10 PM MDT THIS EVENING
TONIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN SHOWERS.
LOWS 62 TO 69. SOUTH WINDS AROUND 10 MPH.
SATURDAY
PARTLY SUNNY. A CHANCE OF RAIN SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 85 TO 93.
SOUTHEAST WINDS AROUND 10 MPH...SHIFTING TO SOUTHWEST IN THE
AFTERNOON. CHANCE OF PRECIPITATION 40 PERCENT.
SATURDAY NIGHT
MOSTLY CLOUDY. A SLIGHT CHANCE OF RAIN SHOWERS
IN THE EVENING...THEN A CHANCE OF RAIN SHOWERS AFTER MIDNIGHT.
LOWS 56 TO 63. SOUTHWEST WINDS AROUND 10 MPH...SHIFTING TO EAST
UP TO 10 MPH AFTER MIDNIGHT. CHANCE OF PRECIPITATION 30 PERCENT.
SUNDAY
MOSTLY SUNNY. HIGHS 83 TO 91. SOUTHWEST WINDS AROUND
10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 55 TO 62. SOUTHWEST WINDS
AROUND 10 MPH.
MONDAY
PARTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 82 TO 90.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS 54 TO 61.
TUESDAY THROUGH FRIDAY
PARTLY CLOUDY. HIGHS 81 TO 91. LOWS
52 TO 62.
IDZ075-221000-
WOOD RIVER FOOTHILLS-
INCLUDING HAILEY, BELLEVUE, AND PICABO
1231 PM MDT FRI AUG 21 2026
..HEAT ADVISORY IN EFFECT UNTIL 10 PM MDT THIS EVENING
TONIGHT
MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING...THEN A SLIGHT CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. LOWS 60 TO 70. SOUTHWEST WINDS 10 TO
15 MPH...SHIFTING TO NORTH AFTER MIDNIGHT.
SATURDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF RAIN SHOWERS.
HIGHS 81 TO 91. EAST WINDS UP TO 10 MPH...SHIFTING TO SOUTHWEST
IN THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING...THEN A SLIGHT CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. LOWS 55 TO 65. WEST WINDS AROUND 10 MPH
IN THE EVENING...BECOMING LIGHT AND VARIABLE.
SUNDAY
SUNNY. HIGHS 78 TO 88. SOUTHWEST WINDS AROUND 10 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 53 TO 63. NORTHWEST WINDS
AROUND 10 MPH.
MONDAY
MOSTLY SUNNY. HIGHS 78 TO 88.
MONDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN. LOWS
54 TO 64.
TUESDAY THROUGH FRIDAY
PARTLY CLOUDY. HIGHS 77 TO 87. LOWS
52 TO 62.
IDZ069-221000-
LOST RIVER RANGE-
INCLUDING BORAH PEAK
1231 PM MDT FRI AUG 21 2026
TONIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING...THEN A SLIGHT CHANCE OF
RAIN SHOWERS AFTER MIDNIGHT. LOWS 59 TO 66.
SATURDAY
PARTLY SUNNY. A SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING...THEN A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
AFTERNOON. HIGHS 77 TO 87.
SATURDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING...THEN A SLIGHT
CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. LOWS 55 TO 62.
SUNDAY
MOSTLY SUNNY WITH A CHANCE OF RAIN SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS. HIGHS 76 TO 86.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 52 TO 60.
MONDAY
MOSTLY SUNNY WITH A CHANCE OF RAIN SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS. HIGHS 75 TO 85.
MONDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN. LOWS
53 TO 60.
TUESDAY
MOSTLY SUNNY WITH A CHANCE OF RAIN SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. HIGHS 75 TO 85.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS 53 TO 61.
WEDNESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 75 TO 85.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS 52 TO 59.
THURSDAY THROUGH FRIDAY
PARTLY CLOUDY. HIGHS 73 TO 83. LOWS
50 TO 57.
IDZ064-221000-
BIG HOLE MOUNTAINS-
INCLUDING VICTOR
1231 PM MDT FRI AUG 21 2026
..HEAT ADVISORY IN EFFECT UNTIL 10 PM MDT THIS EVENING
TONIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS AFTER
MIDNIGHT. LOWS 58 TO 65.
SATURDAY
PARTLY SUNNY. A CHANCE OF RAIN SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 81 TO 88.
SATURDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING...THEN A SLIGHT CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. LOWS 55 TO 62.
SUNDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 78 TO 85.
SUNDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 54 TO 61.
MONDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 77 TO 84.
MONDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 52 TO 59.
TUESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF RAIN. HIGHS 78 TO
85.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 52 TO 59.
WEDNESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 78 TO 85.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS 52 TO 59.
THURSDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 76 TO 83.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS 50 TO 57. HIGHS
75 TO 82.
IDZ063-221000-
CARIBOU RANGE-
INCLUDING WAYAN AND SWAN VALLEY
1231 PM MDT FRI AUG 21 2026
TONIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS AFTER
MIDNIGHT. LOWS 55 TO 64.
SATURDAY
PARTLY SUNNY. A CHANCE OF RAIN SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 80 TO 89.
SATURDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING...THEN A SLIGHT CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. LOWS 51 TO 60.
SUNDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 78 TO 86.
SUNDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. LOWS 48 TO 58.
MONDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 77 TO 85.
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 78 TO 85.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 48 TO 58.
WEDNESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 78 TO 86.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS 47 TO 57.
THURSDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 76 TO 83.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS 46 TO 56. HIGHS
75 TO 82.
IDZ068-070-221000-
LOST RIVER VALLEY-CHALLIS/PAHSIMEROI VALLEYS-
INCLUDING HOWE, ARCO, MACKAY, CHILLY, AND CHALLIS
1231 PM MDT FRI AUG 21 2026
TONIGHT
MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING...THEN A SLIGHT CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. LOWS 57 TO 65. SOUTHEAST WINDS UP TO
10 MPH...SHIFTING TO SOUTHWEST AFTER MIDNIGHT.
SATURDAY
PARTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS
IN THE AFTERNOON. HIGHS 80 TO 90. SOUTHEAST WINDS UP TO 10 MPH...
SHIFTING TO SOUTHWEST AROUND 10 MPH IN THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING...THEN A SLIGHT
CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. LOWS 53 TO 61. WEST WINDS
UP TO 10 MPH...SHIFTING TO SOUTH AFTER MIDNIGHT.
SUNDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 79 TO 89. SOUTH WINDS 10 TO 15 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 50 TO 59. WEST WINDS AROUND
10 MPH.
MONDAY
MOSTLY SUNNY WITH A CHANCE OF RAIN SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS. HIGHS 78 TO 88.
MONDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN. LOWS
51 TO 59.
TUESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 77 TO 87.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS 51 TO 60.
WEDNESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 77 TO 87.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS 49 TO 58.
THURSDAY THROUGH FRIDAY
PARTLY CLOUDY. HIGHS 76 TO 86. LOWS
48 TO 57.
IDZ066-221000-
CENTENNIAL MOUNTAINS - ISLAND PARK-
INCLUDING ISLAND PARK AND KILGORE
1231 PM MDT FRI AUG 21 2026
TONIGHT
MOSTLY CLOUDY. LOWS 55 TO 63.
SATURDAY
PARTLY SUNNY. A CHANCE OF RAIN SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 79 TO 87.
SATURDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING...THEN A SLIGHT CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. COOLER. LOWS 48 TO 57.
SUNDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 76 TO 84.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 46 TO 55.
MONDAY
MOSTLY SUNNY. HIGHS 76 TO 84.
MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. LOWS 45 TO 54.
TUESDAY THROUGH WEDNESDAY
PARTLY CLOUDY WITH A SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS. HIGHS 76 TO 84. LOWS 45 TO 55.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS 44 TO 54.
THURSDAY THROUGH FRIDAY
PARTLY CLOUDY. HIGHS 73 TO 82. LOWS
42 TO 52.
IDZ067-221000-
BEAVERHEAD - LEMHI HIGHLANDS-
INCLUDING DUBOIS, SPENCER, EDIE SCHOOL, AND SMALL
1231 PM MDT FRI AUG 21 2026
..HEAT ADVISORY IN EFFECT UNTIL 10 PM MDT THIS EVENING
TONIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN SHOWERS.
LOWS 57 TO 67.
SATURDAY
PARTLY SUNNY. A CHANCE OF RAIN SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 79 TO 89.
SATURDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING...THEN A SLIGHT CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. COOLER. LOWS 52 TO 62.
SUNDAY
PARTLY SUNNY WITH A CHANCE OF RAIN SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS. HIGHS 77 TO 87.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 50 TO 60.
MONDAY
MOSTLY SUNNY WITH A CHANCE OF RAIN SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS. HIGHS 76 TO 86.
MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. LOWS 50 TO 60.
TUESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 76 TO 86.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN. LOWS
50 TO 60.
WEDNESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 76 TO 86.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN.
LOWS 49 TO 59.
THURSDAY THROUGH FRIDAY
PARTLY CLOUDY. HIGHS 74 TO 84. LOWS
47 TO 57.
IDZ065-221000-
TETON VALLEY-
INCLUDING ASHTON, TETONIA, AND DRIGGS
1231 PM MDT FRI AUG 21 2026
..HEAT ADVISORY IN EFFECT UNTIL 10 PM MDT THIS EVENING
TONIGHT
MOSTLY CLOUDY. A SLIGHT CHANCE OF RAIN SHOWERS AFTER
MIDNIGHT. LOWS 57 TO 64.
SATURDAY
PARTLY SUNNY. A CHANCE OF RAIN SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 86.
SATURDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING...THEN A SLIGHT CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. COOLER. LOWS 51 TO 58.
SUNDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 80 TO 87.
SUNDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN
SHOWERS. LOWS 49 TO 57.
MONDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 79 TO 86.
MONDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 47 TO 55.
TUESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF RAIN. HIGHS 80 TO
87.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 48 TO 56.
WEDNESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 80 TO 87.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS 47 TO 55.
THURSDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS AROUND 81.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS 45 TO 54. HIGHS
77 TO 84.
IDZ062-221000-
BLACKFOOT MOUNTAINS-
INCLUDING GRACE, SODA SPRINGS, HENRY, AND BONE
1231 PM MDT FRI AUG 21 2026
..HEAT ADVISORY IN EFFECT UNTIL 10 PM MDT THIS EVENING
TONIGHT
MOSTLY CLOUDY. A SLIGHT CHANCE OF RAIN SHOWERS AFTER
MIDNIGHT. LOWS 57 TO 67.
SATURDAY
PARTLY SUNNY. A CHANCE OF RAIN SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 80 TO 90.
SATURDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING...THEN A SLIGHT CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. COOLER. LOWS 52 TO 62.
SUNDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 77 TO 87.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. LOWS 51 TO 61.
MONDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 76 TO 86.
MONDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 50 TO 60.
TUESDAY AND TUESDAY NIGHT
PARTLY CLOUDY. HIGHS 76 TO 86. LOWS
51 TO 61.
WEDNESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 77 TO 87.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS 50 TO 60.
THURSDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 75 TO 85.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS 49 TO 59. HIGHS
74 TO 84.
IDZ060-221000-
BEAR RIVER RANGE-
INCLUDING EMIGRATION SUMMIT
1231 PM MDT FRI AUG 21 2026
TONIGHT
MOSTLY CLOUDY. A SLIGHT CHANCE OF RAIN SHOWERS AFTER
MIDNIGHT. LOWS 64 TO 72.
SATURDAY
PARTLY SUNNY. A SLIGHT CHANCE OF RAIN SHOWERS IN THE
AFTERNOON. HIGHS 83 TO 90.
SATURDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE EVENING...THEN MOSTLY CLOUDY WITH A
SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. LOWS 62 TO 69.
SUNDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 80 TO 87.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 60 TO 68.
MONDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 79 TO 86.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS 59 TO 67.
TUESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 80 TO 87.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 59 TO 67.
WEDNESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 81 TO 88.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 59 TO 67.
THURSDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 79 TO 86.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS 58 TO 65. HIGHS
78 TO 85.
IDZ061-221000-
BEAR LAKE VALLEY-
INCLUDING ST. CHARLES, MONTPELIER, AND GEORGETOWN
1231 PM MDT FRI AUG 21 2026
..HEAT ADVISORY IN EFFECT UNTIL 10 PM MDT THIS EVENING
TONIGHT
MOSTLY CLOUDY. A SLIGHT CHANCE OF RAIN SHOWERS AFTER
MIDNIGHT. LOWS 56 TO 64.
SATURDAY
PARTLY SUNNY. A SLIGHT CHANCE OF RAIN SHOWERS IN THE
AFTERNOON. HIGHS 79 TO 87.
SATURDAY NIGHT
INCREASING CLOUDS. A SLIGHT CHANCE OF RAIN
SHOWERS. LOWS 52 TO 61.
SUNDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 78 TO 85.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 50 TO 60.
MONDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 76 TO 83.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS 49 TO 59.
TUESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 77 TO 84.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 50 TO 60.
WEDNESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 77 TO 84.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 48 TO 58.
THURSDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 77 TO 84.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS 47 TO 57. HIGHS
76 TO 83.
IDZ071-074-221000-
FRANK CHURCH WILDERNESS-BIG LOST HIGHLANDS/COPPER BASIN-
INCLUDING CLAYTON AND COPPER BASIN
1231 PM MDT FRI AUG 21 2026
TONIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN SHOWERS.
LOWS 52 TO 62.
SATURDAY
PARTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS
IN THE AFTERNOON. HIGHS 77 TO 87.
SATURDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING...THEN A CHANCE OF
RAIN SHOWERS AFTER MIDNIGHT. LOWS 49 TO 59.
SUNDAY
SUNNY. HIGHS 74 TO 84.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 46 TO 56.
MONDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 74 TO 84.
MONDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN. LOWS
48 TO 58.
TUESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 74 TO 84.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS 48 TO 58.
WEDNESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 74 TO 84.
WEDNESDAY NIGHT THROUGH FRIDAY
PARTLY CLOUDY. LOWS 45 TO 55.
HIGHS 72 TO 82.
IDZ055-221000-
EASTERN MAGIC VALLEY-
INCLUDING BURLEY, RUPERT, HEYBURN, AND OAKLEY
1231 PM MDT FRI AUG 21 2026
..HEAT ADVISORY IN EFFECT UNTIL 10 PM MDT THIS EVENING
TONIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN SHOWERS.
LOWS 64 TO 71. SOUTH WINDS AROUND 10 MPH.
SATURDAY
PARTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS
IN THE AFTERNOON. HIGHS 89 TO 96. SOUTHEAST WINDS AROUND 10 MPH...
SHIFTING TO SOUTHWEST IN THE AFTERNOON. CHANCE OF PRECIPITATION
50 PERCENT.
SATURDAY NIGHT
MOSTLY CLOUDY. A SLIGHT CHANCE OF RAIN SHOWERS
IN THE EVENING...THEN A CHANCE OF RAIN SHOWERS AFTER MIDNIGHT.
LOWS 59 TO 67. SOUTH WINDS AROUND 10 MPH. CHANCE OF PRECIPITATION
40 PERCENT.
SUNDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 86 TO 93. SOUTHWEST WINDS AROUND 10 MPH.
CHANCE OF PRECIPITATION 20 PERCENT.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 58 TO 66. SOUTHWEST WINDS UP
TO 10 MPH.
MONDAY
PARTLY SUNNY WITH A CHANCE OF RAIN SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS. HIGHS 85 TO 92.
MONDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 57 TO 64.
TUESDAY THROUGH FRIDAY
PARTLY CLOUDY. HIGHS 84 TO 94. LOWS
56 TO 66.
WEATHER INFORMATION ON-LINE 24-HOURS A DAY
WWW.WEATHER.GOV/POCATELLO
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