666
FPUS55 KPIH 201832
ZFPPIH
ZONE FORECAST PRODUCT FOR IDAHO
NATIONAL WEATHER SERVICE POCATELLO ID
1231 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
1231 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
1231 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
1231 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
1231 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
1231 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
1231 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
1231 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
1231 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
1231 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
1231 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
1231 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
1231 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
1231 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
1231 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
1231 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
1231 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
1231 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
1231 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
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