359
FPUS55 KPIH 200632
ZFPPIH
ZONE FORECAST PRODUCT FOR IDAHO
NATIONAL WEATHER SERVICE POCATELLO ID
1231 AM MDT SUN SEP 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.
IDZ072-202200-
SAWTOOTH/STANLEY BASIN-
INCLUDING STANLEY
1231 AM MDT SUN SEP 20 2026
TODAY
SUNNY, WARMER. HIGHS 62 TO 72.
TONIGHT
MOSTLY CLEAR. LOWS 32 TO 42.
MONDAY
SUNNY. HIGHS 65 TO 75.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 35 TO 45.
TUESDAY
MOSTLY SUNNY. HIGHS 64 TO 74.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 36 TO 46.
WEDNESDAY
SUNNY. HIGHS 65 TO 75.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 35 TO 45.
THURSDAY
SUNNY. HIGHS 67 TO 77.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 38 TO 48.
FRIDAY
SUNNY. HIGHS 65 TO 75.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. LOWS 35 TO 45. HIGHS
59 TO 69.
IDZ073-202200-
SUN VALLEY REGION-
INCLUDING KETCHUM, SUN VALLEY, AND GALENA
1231 AM MDT SUN SEP 20 2026
TODAY
SUNNY. NOT AS COOL. HIGHS 61 TO 71.
TONIGHT
MOSTLY CLEAR. LOWS 34 TO 44.
MONDAY
SUNNY. HIGHS 65 TO 75.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 37 TO 47.
TUESDAY
MOSTLY SUNNY. HIGHS 65 TO 75.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 38 TO 48.
WEDNESDAY
SUNNY. HIGHS 66 TO 76.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 38 TO 48.
THURSDAY
SUNNY. HIGHS 68 TO 77.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 40 TO 50.
FRIDAY
SUNNY. HIGHS 68 TO 77.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. LOWS 38 TO 48. HIGHS
63 TO 72.
IDZ052-053-202200-
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 SUN SEP 20 2026
TODAY
SUNNY. HIGHS 63 TO 70. LIGHT AND VARIABLE WINDS.
TONIGHT
MOSTLY CLEAR. LOWS 36 TO 44. LIGHT AND VARIABLE
WINDS...BECOMING NORTHEAST UP TO 10 MPH AFTER MIDNIGHT.
MONDAY
SUNNY. HIGHS 68 TO 75. NORTHEAST WINDS UP TO 10 MPH IN
THE MORNING...BECOMING LIGHT AND VARIABLE.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 39 TO 48. NORTHEAST WINDS UP
TO 10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS 70 TO 77. NORTHEAST WINDS UP TO
10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN. LOWS
43 TO 51.
WEDNESDAY THROUGH FRIDAY
MOSTLY CLEAR. HIGHS 72 TO 82. LOWS
42 TO 52.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. LOWS 45 TO 54. HIGHS
71 TO 78.
IDZ051-202200-
SHOSHONE/LAVA BEDS-
INCLUDING SHOSHONE, RICHFIELD, AND CAREY
1231 AM MDT SUN SEP 20 2026
TODAY
SUNNY. HIGHS 68 TO 75. EAST WINDS UP TO 10 MPH IN THE
MORNING...BECOMING LIGHT AND VARIABLE.
TONIGHT
MOSTLY CLEAR. LOWS 39 TO 47. LIGHT AND VARIABLE
WINDS...BECOMING NORTHEAST AROUND 10 MPH AFTER MIDNIGHT.
MONDAY
SUNNY. HIGHS 73 TO 80. EAST WINDS 10 TO 15 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 43 TO 52. NORTHEAST WINDS
AROUND 10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS 74 TO 81. EAST WINDS 10 TO 15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS 45 TO 52.
WEDNESDAY THROUGH THURSDAY
MOSTLY CLEAR. HIGHS 76 TO 85. LOWS
45 TO 52.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 46 TO 54.
FRIDAY
SUNNY. HIGHS 79 TO 86.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. LOWS 46 TO 53. HIGHS
73 TO 80.
IDZ056-057-202200-
SOUTHERN HILLS/ALBION MOUNTAINS-RAFT RIVER REGION-
INCLUDING ALBION, ALMO, MALTA, ROCKLAND,
AND HOLBROOK
1231 AM MDT SUN SEP 20 2026
TODAY
SUNNY, WARMER. HIGHS 66 TO 73. LIGHT AND VARIABLE
WINDS...BECOMING NORTHEAST UP TO 10 MPH IN THE AFTERNOON.
TONIGHT...MOSTLY CLEAR. LOWS 38 TO 48. EAST WINDS UP TO 10 MPH
SHIFTING TO SOUTHEAST AFTER MIDNIGHT.
MONDAY
MOSTLY SUNNY. HIGHS 72 TO 79. SOUTHEAST WINDS UP TO
10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS 44 TO 54. SOUTHEAST WINDS UP
TO 10 MPH.
TUESDAY
PARTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 72 TO 79. SOUTH WINDS AROUND 10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS 43 TO 53.
WEDNESDAY THROUGH FRIDAY
MOSTLY CLEAR. HIGHS 74 TO 84. LOWS
46 TO 56.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. LOWS 46 TO 56. HIGHS
73 TO 81.
IDZ058-059-202200-
MARSH AND ARBON HIGHLANDS-FRANKLIN/EASTERN ONEIDA REGION-
INCLUDING INKOM, MCCAMMON, DOWNEY,
LAVA HOT SPRINGS, MALAD, PRESTON, AND THATCHER
1231 AM MDT SUN SEP 20 2026
TODAY
SUNNY. HIGHS 62 TO 72.
TONIGHT
MOSTLY CLEAR. LOWS 36 TO 46.
MONDAY
SUNNY. HIGHS 67 TO 77.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 41 TO 51.
TUESDAY
PARTLY SUNNY. HIGHS 68 TO 77.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS 42 TO 52.
WEDNESDAY THROUGH FRIDAY
MOSTLY CLEAR. HIGHS 71 TO 81. LOWS
43 TO 53.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. LOWS 45 TO 55. HIGHS
70 TO 80.
IDZ054-202200-
LOWER SNAKE RIVER PLAIN-
INCLUDING POCATELLO, BLACKFOOT, AMERICAN FALLS,
SHELLEY, AND FORT HALL
1231 AM MDT SUN SEP 20 2026
TODAY
SUNNY, WARMER. HIGHS 66 TO 73. LIGHT AND VARIABLE WINDS.
TONIGHT
MOSTLY CLEAR. LOWS 36 TO 45. LIGHT AND VARIABLE
WINDS...BECOMING NORTHEAST UP TO 10 MPH AFTER MIDNIGHT.
MONDAY
SUNNY. HIGHS 71 TO 78. NORTHEAST WINDS UP TO 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 39 TO 49. NORTHEAST WINDS UP
TO 10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS 73 TO 80. NORTHEAST WINDS UP TO
10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS 43 TO 52.
WEDNESDAY THROUGH FRIDAY
MOSTLY CLEAR. HIGHS 74 TO 84. LOWS
43 TO 53.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. LOWS 46 TO 55. HIGHS
73 TO 80.
IDZ075-202200-
WOOD RIVER FOOTHILLS-
INCLUDING HAILEY, BELLEVUE, AND PICABO
1231 AM MDT SUN SEP 20 2026
TODAY...SUNNY. HIGHS 61 TO 71. LIGHT AND VARIABLE WINDS
BECOMING SOUTH UP TO 10 MPH IN THE AFTERNOON.
TONIGHT
MOSTLY CLEAR. LOWS 37 TO 47. LIGHT AND VARIABLE
WINDS...BECOMING NORTH UP TO 10 MPH AFTER MIDNIGHT.
MONDAY...SUNNY. HIGHS 66 TO 76. NORTHEAST WINDS AROUND 10 MPH
SHIFTING TO SOUTHEAST IN THE AFTERNOON.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 41 TO 51. NORTHEAST WINDS UP
TO 10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS 67 TO 77. EAST WINDS AROUND
10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 42 TO 52.
WEDNESDAY THROUGH THURSDAY
MOSTLY CLEAR. HIGHS 69 TO 79. LOWS
42 TO 52.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 44 TO 54.
FRIDAY
SUNNY. HIGHS 70 TO 80.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. LOWS 43 TO 53. HIGHS
65 TO 75.
IDZ069-202200-
LOST RIVER RANGE-
INCLUDING BORAH PEAK
1231 AM MDT SUN SEP 20 2026
TODAY
SUNNY. NOT AS COOL. HIGHS 58 TO 67.
TONIGHT
MOSTLY CLEAR. LOWS 39 TO 46.
MONDAY
SUNNY. HIGHS 62 TO 71.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 42 TO 49.
TUESDAY
MOSTLY SUNNY. HIGHS 64 TO 73.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN. LOWS
44 TO 51.
WEDNESDAY
SUNNY. HIGHS 65 TO 74.
WEDNESDAY NIGHT THROUGH THURSDAY NIGHT
PARTLY CLOUDY. LOWS
44 TO 52. HIGHS 67 TO 77.
FRIDAY
SUNNY. HIGHS 67 TO 77.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. LOWS 45 TO 52. HIGHS
63 TO 73.
IDZ063-064-202200-
CARIBOU RANGE-BIG HOLE MOUNTAINS-
INCLUDING WAYAN, SWAN VALLEY, AND VICTOR
1231 AM MDT SUN SEP 20 2026
TODAY
MOSTLY SUNNY. HIGHS 59 TO 66.
TONIGHT
MOSTLY CLEAR. LOWS 32 TO 42.
MONDAY
SUNNY, WARMER. HIGHS 66 TO 74.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 37 TO 47.
TUESDAY
MOSTLY SUNNY. HIGHS 69 TO 76.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND
A SLIGHT CHANCE OF THUNDERSTORMS. LOWS 40 TO 50.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLEAR. HIGHS 68 TO 75.
LOWS 38 TO 48.
THURSDAY THROUGH FRIDAY
MOSTLY CLEAR. HIGHS 72 TO 80. LOWS
40 TO 50.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. LOWS 42 TO 52. HIGHS
69 TO 76.
IDZ068-070-202200-
LOST RIVER VALLEY-CHALLIS/PAHSIMEROI VALLEYS-
INCLUDING HOWE, ARCO, MACKAY, CHILLY, AND CHALLIS
1231 AM MDT SUN SEP 20 2026
TODAY...SUNNY. HIGHS 62 TO 72. LIGHT AND VARIABLE WINDS
BECOMING EAST UP TO 10 MPH IN THE AFTERNOON.
TONIGHT
MOSTLY CLEAR. LOWS 37 TO 45. LIGHT AND VARIABLE WINDS.
MONDAY...SUNNY. HIGHS 66 TO 76. LIGHT AND VARIABLE WINDS
BECOMING SOUTHEAST UP TO 10 MPH IN THE AFTERNOON.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 40 TO 48. LIGHT AND VARIABLE
WINDS.
TUESDAY
MOSTLY SUNNY. HIGHS 67 TO 77. LIGHT AND VARIABLE
WINDS.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN. LOWS
41 TO 50.
WEDNESDAY
SUNNY. HIGHS 68 TO 78.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 42 TO 50.
THURSDAY
SUNNY. HIGHS 70 TO 80.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 43 TO 51.
FRIDAY
SUNNY. HIGHS 70 TO 80.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. LOWS 42 TO 51. HIGHS
66 TO 76.
IDZ066-067-202200-
CENTENNIAL MOUNTAINS - ISLAND PARK-BEAVERHEAD - LEMHI HIGHLANDS-
INCLUDING ISLAND PARK, KILGORE, DUBOIS, SPENCER,
EDIE SCHOOL, AND SMALL
1231 AM MDT SUN SEP 20 2026
TODAY
MOSTLY SUNNY. HIGHS 59 TO 66.
TONIGHT
MOSTLY CLEAR. LOWS 31 TO 41.
MONDAY
SUNNY. HIGHS 64 TO 71.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 35 TO 45.
TUESDAY
MOSTLY SUNNY. HIGHS 66 TO 74.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN. LOWS
38 TO 48.
WEDNESDAY
SUNNY. HIGHS 66 TO 73.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 38 TO 48.
THURSDAY
SUNNY. HIGHS 68 TO 77.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 39 TO 49.
FRIDAY
SUNNY. HIGHS 69 TO 77.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. LOWS 40 TO 50. HIGHS
66 TO 73.
IDZ065-202200-
TETON VALLEY-
INCLUDING ASHTON, TETONIA, AND DRIGGS
1231 AM MDT SUN SEP 20 2026
TODAY
MOSTLY SUNNY. HIGHS 60 TO 67.
TONIGHT
MOSTLY CLEAR. LOWS 31 TO 40.
MONDAY
SUNNY, WARMER. HIGHS 67 TO 74.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 36 TO 44.
TUESDAY
MOSTLY SUNNY. HIGHS 70 TO 77.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS 40 TO 47.
WEDNESDAY THROUGH FRIDAY
MOSTLY CLEAR. HIGHS 71 TO 78. LOWS
39 TO 49.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. LOWS 42 TO 50. HIGHS
AROUND 73.
IDZ062-202200-
BLACKFOOT MOUNTAINS-
INCLUDING GRACE, SODA SPRINGS, HENRY, AND BONE
1231 AM MDT SUN SEP 20 2026
TODAY
SUNNY. HIGHS 60 TO 69.
TONIGHT
MOSTLY CLEAR. LOWS 33 TO 43.
MONDAY
SUNNY, WARMER. HIGHS 66 TO 75.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 38 TO 48.
TUESDAY
MOSTLY SUNNY. HIGHS 68 TO 75.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND
A SLIGHT CHANCE OF THUNDERSTORMS. LOWS 41 TO 51.
WEDNESDAY THROUGH FRIDAY
MOSTLY CLEAR. HIGHS 69 TO 79. LOWS
42 TO 52.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. LOWS 45 TO 55. HIGHS
69 TO 77.
IDZ060-202200-
BEAR RIVER RANGE-
INCLUDING EMIGRATION SUMMIT
1231 AM MDT SUN SEP 20 2026
TODAY
SUNNY. HIGHS 61 TO 68.
TONIGHT
MOSTLY CLEAR. LOWS 43 TO 50.
MONDAY
SUNNY. HIGHS 66 TO 73.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 48 TO 56.
TUESDAY
PARTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 67 TO 74.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND
A SLIGHT CHANCE OF THUNDERSTORMS. LOWS 49 TO 56.
WEDNESDAY THROUGH FRIDAY NIGHT
MOSTLY CLEAR. HIGHS 68 TO 78.
LOWS 50 TO 60.
SATURDAY
MOSTLY SUNNY. HIGHS 69 TO 76.
IDZ061-202200-
BEAR LAKE VALLEY-
INCLUDING ST. CHARLES, MONTPELIER, AND GEORGETOWN
1231 AM MDT SUN SEP 20 2026
TODAY
SUNNY. HIGHS 63 TO 70.
TONIGHT
MOSTLY CLEAR. LOWS 32 TO 42.
MONDAY
SUNNY. HIGHS AROUND 70.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 37 TO 47.
TUESDAY
PARTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 67 TO 74.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND
A SLIGHT CHANCE OF THUNDERSTORMS. LOWS 38 TO 48.
WEDNESDAY THROUGH FRIDAY NIGHT
MOSTLY CLEAR. HIGHS 71 TO 78.
LOWS 39 TO 49.
SATURDAY
MOSTLY SUNNY. HIGHS 70 TO 77.
IDZ071-074-202200-
FRANK CHURCH WILDERNESS-BIG LOST HIGHLANDS/COPPER BASIN-
INCLUDING CLAYTON AND COPPER BASIN
1231 AM MDT SUN SEP 20 2026
TODAY
SUNNY. NOT AS COOL. HIGHS 62 TO 72.
TONIGHT
MOSTLY CLEAR. LOWS 35 TO 45.
MONDAY
SUNNY. HIGHS 66 TO 76.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 38 TO 48.
TUESDAY
MOSTLY SUNNY. HIGHS 66 TO 76.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN. LOWS
39 TO 49.
WEDNESDAY
SUNNY. HIGHS 67 TO 77.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 39 TO 49.
THURSDAY
SUNNY. HIGHS 69 TO 79.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 40 TO 50.
FRIDAY
SUNNY. HIGHS 67 TO 77.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. LOWS 39 TO 49. HIGHS
62 TO 72.
IDZ055-202200-
EASTERN MAGIC VALLEY-
INCLUDING BURLEY, RUPERT, HEYBURN, AND OAKLEY
1231 AM MDT SUN SEP 20 2026
TODAY
SUNNY. HIGHS 67 TO 74. EAST WINDS UP TO 10 MPH IN THE
MORNING...BECOMING LIGHT AND VARIABLE.
TONIGHT
MOSTLY CLEAR. LOWS 39 TO 48. EAST WINDS UP TO 10 MPH.
MONDAY
SUNNY. HIGHS 73 TO 80. EAST WINDS AROUND 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 44 TO 54. EAST WINDS AROUND
10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS 74 TO 81. SOUTHEAST WINDS AROUND
10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS 45 TO 53.
WEDNESDAY THROUGH FRIDAY
MOSTLY CLEAR. HIGHS 77 TO 87. LOWS
46 TO 56.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. LOWS 48 TO 56. HIGHS
74 TO 81.
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