348
FPUS55 KPIH 181832
ZFPPIH
ZONE FORECAST PRODUCT FOR IDAHO
NATIONAL WEATHER SERVICE POCATELLO ID
1232 PM MDT FRI SEP 18 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.
IDZ072-191000-
SAWTOOTH/STANLEY BASIN-
INCLUDING STANLEY
1232 PM MDT FRI SEP 18 2026
..FLOOD WATCH IN EFFECT UNTIL MIDNIGHT MDT TONIGHT
TONIGHT
RAIN SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS IN
THE EVENING...THEN A CHANCE OF RAIN SHOWERS AND A SLIGHT CHANCE
OF THUNDERSTORMS AFTER MIDNIGHT. LOWS 35 TO 45.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. HIGHS 54 TO 64.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS 33 TO 43.
SUNDAY
MOSTLY SUNNY. WARMER. HIGHS 63 TO 73.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 35 TO 45.
MONDAY
SUNNY. HIGHS 65 TO 75.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. LOWS 37 TO 47. HIGHS
64 TO 74.
TUESDAY NIGHT THROUGH THURSDAY
MOSTLY CLEAR. LOWS 36 TO 46.
HIGHS 66 TO 76.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS 38 TO 48. HIGHS
66 TO 76.
IDZ073-191000-
SUN VALLEY REGION-
INCLUDING KETCHUM, SUN VALLEY, AND GALENA
1232 PM MDT FRI SEP 18 2026
..FLOOD WATCH IN EFFECT UNTIL MIDNIGHT MDT TONIGHT
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. COLDER. LOWS 34 TO 43.
SATURDAY
MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING...THEN A CHANCE OF RAIN SHOWERS AND
A SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 54 TO
64.
SATURDAY NIGHT
DECREASING CLOUDS. LOWS 34 TO 44.
SUNDAY
MOSTLY SUNNY. NOT AS COOL. HIGHS 61 TO 71.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 36 TO 46.
MONDAY
SUNNY. HIGHS 64 TO 74.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. LOWS 39 TO 49. HIGHS
65 TO 75.
TUESDAY NIGHT THROUGH THURSDAY
MOSTLY CLEAR. LOWS 39 TO 49.
HIGHS 67 TO 77.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS 41 TO 51. HIGHS
67 TO 77.
IDZ052-053-191000-
ARCO/MUD LAKE DESERT-UPPER SNAKE RIVER PLAIN-
INCLUDING MUD LAKE, INL, CRATERS OF THE MOON NM,
IDAHO FALLS, REXBURG, AND ST. ANTHONY
1232 PM MDT FRI SEP 18 2026
..FLOOD WATCH IN EFFECT UNTIL MIDNIGHT MDT TONIGHT
TONIGHT
RAIN SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS IN
THE EVENING...THEN A CHANCE OF RAIN SHOWERS AND A SLIGHT CHANCE
OF THUNDERSTORMS AFTER MIDNIGHT. COLDER. SOME THUNDERSTORMS MAY
PRODUCE HEAVY RAINFALL IN THE EVENING. LOWS 40 TO 47. SOUTH WINDS
UP TO 10 MPH.
SATURDAY
PARTLY SUNNY. A CHANCE OF RAIN SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS IN THE MORNING...THEN A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. HIGHS 58 TO 65. SOUTH
WINDS UP TO 10 MPH. CHANCE OF PRECIPITATION 50 PERCENT.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS 40 TO 47. LIGHT AND
VARIABLE WINDS.
SUNDAY
MOSTLY SUNNY. HIGHS 63 TO 71. LIGHT AND VARIABLE WINDS.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 40 TO 47. LIGHT AND VARIABLE
WINDS.
MONDAY
SUNNY. HIGHS 68 TO 76.
MONDAY NIGHT THROUGH TUESDAY NIGHT
PARTLY CLOUDY. LOWS 42 TO
51. HIGHS 71 TO 78.
WEDNESDAY
SUNNY. HIGHS 71 TO 78.
WEDNESDAY NIGHT AND THURSDAY
MOSTLY CLEAR. LOWS 43 TO 51.
HIGHS 73 TO 80.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS 44 TO 53. HIGHS
73 TO 80.
IDZ051-191000-
SHOSHONE/LAVA BEDS-
INCLUDING SHOSHONE, RICHFIELD, AND CAREY
1232 PM MDT FRI SEP 18 2026
TONIGHT
INCREASING CLOUDS. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 40 TO 47. SOUTHWEST WINDS 10 TO 15 MPH...
SHIFTING TO SOUTH AFTER MIDNIGHT.
SATURDAY
PARTLY SUNNY. A CHANCE OF RAIN SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS IN THE MORNING...THEN A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. HIGHS 61 TO 68. LIGHT
AND VARIABLE WINDS...BECOMING SOUTHWEST UP TO 10 MPH IN THE
AFTERNOON. CHANCE OF PRECIPITATION 50 PERCENT.
SATURDAY NIGHT
DECREASING CLOUDS. LOWS 40 TO 47. LIGHT AND
VARIABLE WINDS...BECOMING NORTHEAST UP TO 10 MPH AFTER MIDNIGHT.
SUNDAY
MOSTLY SUNNY. WARMER. HIGHS 68 TO 75. EAST WINDS UP TO
10 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 42 TO 50. NORTHEAST WINDS UP
TO 10 MPH.
MONDAY
SUNNY. HIGHS 72 TO 80.
MONDAY NIGHT THROUGH TUESDAY NIGHT
PARTLY CLOUDY. LOWS 45 TO
52. HIGHS 73 TO 80.
WEDNESDAY THROUGH THURSDAY
MOSTLY CLEAR. HIGHS 75 TO 84. LOWS
45 TO 52.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 46 TO 54.
FRIDAY
SUNNY. HIGHS 78 TO 85.
IDZ056-057-191000-
SOUTHERN HILLS/ALBION MOUNTAINS-RAFT RIVER REGION-
INCLUDING ALBION, ALMO, MALTA, ROCKLAND,
AND HOLBROOK
1232 PM MDT FRI SEP 18 2026
TONIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS
IN THE EVENING...THEN A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. COLDER. LOWS 38 TO 48. WEST WINDS
UP TO 10 MPH.
SATURDAY
PARTLY SUNNY WITH A CHANCE OF RAIN SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. HIGHS 59 TO 66. WEST WINDS UP TO
10 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 38 TO 48. WEST WINDS UP TO
10 MPH IN THE EVENING...BECOMING LIGHT AND VARIABLE.
SUNDAY
SUNNY, WARMER. HIGHS 67 TO 74. SOUTHWEST WINDS UP TO
10 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 42 TO 52. SOUTHEAST WINDS UP
TO 10 MPH.
MONDAY
SUNNY. HIGHS 72 TO 79.
MONDAY NIGHT THROUGH TUESDAY NIGHT
PARTLY CLOUDY. LOWS 46 TO
56. HIGHS 72 TO 79.
WEDNESDAY THROUGH THURSDAY
MOSTLY CLEAR. HIGHS 74 TO 83. LOWS
45 TO 55.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS 47 TO 57. HIGHS
76 TO 83.
IDZ058-059-191000-
MARSH AND ARBON HIGHLANDS-FRANKLIN/EASTERN ONEIDA REGION-
INCLUDING INKOM, MCCAMMON, DOWNEY,
LAVA HOT SPRINGS, MALAD, PRESTON, AND THATCHER
1232 PM MDT FRI SEP 18 2026
..FLOOD WATCH IN EFFECT UNTIL MIDNIGHT MDT TONIGHT
TONIGHT
RAIN SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS IN
THE EVENING...THEN PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS AFTER MIDNIGHT. COLDER. LOWS 39 TO 49.
SATURDAY
PARTLY SUNNY. A CHANCE OF RAIN SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS IN THE MORNING...THEN A CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE AFTERNOON. HIGHS 56 TO 66.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 37 TO 47.
SUNDAY
MOSTLY SUNNY. WARMER. HIGHS 62 TO 72.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 40 TO 50.
MONDAY
SUNNY. HIGHS 67 TO 77.
MONDAY NIGHT THROUGH TUESDAY NIGHT
PARTLY CLOUDY. LOWS 44 TO
54. HIGHS 69 TO 78.
WEDNESDAY THROUGH THURSDAY
MOSTLY CLEAR. HIGHS 70 TO 80. LOWS
44 TO 54.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS 45 TO 55. HIGHS
72 TO 81.
IDZ054-191000-
LOWER SNAKE RIVER PLAIN-
INCLUDING POCATELLO, BLACKFOOT, AMERICAN FALLS,
SHELLEY, AND FORT HALL
1232 PM MDT FRI SEP 18 2026
..FLOOD WATCH IN EFFECT UNTIL MIDNIGHT MDT TONIGHT
TONIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING...THEN PARTLY CLOUDY WITH A CHANCE
OF RAIN SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS AFTER
MIDNIGHT. COLDER. LOWS 39 TO 49. SOUTHWEST WINDS UP TO 10 MPH.
SATURDAY
PARTLY SUNNY. A CHANCE OF RAIN SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS IN THE MORNING...THEN A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. HIGHS 59 TO 66.
SOUTHWEST WINDS UP TO 10 MPH. CHANCE OF PRECIPITATION 50 PERCENT.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 39 TO 48. LIGHT AND
VARIABLE WINDS.
SUNDAY
MOSTLY SUNNY. WARMER. HIGHS 67 TO 74. LIGHT AND
VARIABLE WINDS.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 40 TO 49. NORTHEAST WINDS UP
TO 10 MPH.
MONDAY
SUNNY. HIGHS 72 TO 79.
MONDAY NIGHT THROUGH TUESDAY NIGHT
PARTLY CLOUDY. LOWS 42 TO
52. HIGHS 73 TO 80.
WEDNESDAY
SUNNY. HIGHS 74 TO 81.
WEDNESDAY NIGHT AND THURSDAY
MOSTLY CLEAR. LOWS 43 TO 52.
HIGHS 75 TO 82.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS 45 TO 54. HIGHS
76 TO 83.
IDZ075-191000-
WOOD RIVER FOOTHILLS-
INCLUDING HAILEY, BELLEVUE, AND PICABO
1232 PM MDT FRI SEP 18 2026
..FLOOD WATCH IN EFFECT UNTIL MIDNIGHT MDT TONIGHT
TONIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. COLDER. LOWS 37 TO 45. SOUTHWEST
WINDS UP TO 10 MPH IN THE EVENING...BECOMING LIGHT AND VARIABLE.
SATURDAY
PARTLY SUNNY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING...THEN A CHANCE OF RAIN SHOWERS AND
A SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 55 TO
65. LIGHT AND VARIABLE WINDS...BECOMING SOUTH UP TO 10 MPH IN THE
AFTERNOON.
SATURDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN CLEARING.
LOWS 37 TO 46. LIGHT AND VARIABLE WINDS.
SUNDAY
MOSTLY SUNNY. WARMER. HIGHS 61 TO 71. EAST WINDS UP TO
10 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 40 TO 48. NORTHEAST WINDS UP
TO 10 MPH.
MONDAY
SUNNY. HIGHS 65 TO 75.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. LOWS 43 TO 52. HIGHS
67 TO 77.
TUESDAY NIGHT THROUGH THURSDAY
MOSTLY CLEAR. LOWS 42 TO 52.
HIGHS 69 TO 79.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 44 TO 54.
FRIDAY
SUNNY. HIGHS 70 TO 80.
IDZ069-191000-
LOST RIVER RANGE-
INCLUDING BORAH PEAK
1232 PM MDT FRI SEP 18 2026
TONIGHT
RAIN SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS IN
THE EVENING...THEN RAIN SHOWERS LIKELY AND A SLIGHT CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT. COLDER. LOWS 41 TO 48.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. HIGHS 52 TO 60.
SATURDAY NIGHT
MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS 40 TO 47.
SUNDAY
MOSTLY SUNNY. NOT AS COOL. HIGHS 58 TO 68.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 41 TO 48.
MONDAY
SUNNY. HIGHS 62 TO 72.
MONDAY NIGHT THROUGH TUESDAY NIGHT
PARTLY CLOUDY. LOWS 44 TO
51. HIGHS 63 TO 73.
WEDNESDAY THROUGH THURSDAY
MOSTLY CLEAR. HIGHS 65 TO 75. LOWS
44 TO 51.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS 45 TO 52. HIGHS
66 TO 76.
IDZ063-064-191000-
CARIBOU RANGE-BIG HOLE MOUNTAINS-
INCLUDING WAYAN, SWAN VALLEY, AND VICTOR
1232 PM MDT FRI SEP 18 2026
..FLOOD WATCH IN EFFECT UNTIL MIDNIGHT MDT TONIGHT
TONIGHT
RAIN SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS IN
THE EVENING...THEN A CHANCE OF RAIN SHOWERS AND A SLIGHT CHANCE
OF THUNDERSTORMS AFTER MIDNIGHT. COLDER. LOWS 39 TO 47.
SATURDAY
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS IN THE MORNING...THEN A CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE AFTERNOON. HIGHS 55 TO 63.
SATURDAY NIGHT
MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS 35 TO 45.
SUNDAY
PARTLY SUNNY. HIGHS 60 TO 67.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 35 TO 45.
MONDAY
SUNNY. HIGHS 67 TO 74.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. LOWS 39 TO 49. HIGHS
69 TO 76.
TUESDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS 40 TO 50.
WEDNESDAY THROUGH THURSDAY
MOSTLY CLEAR. HIGHS 69 TO 79. LOWS
40 TO 50.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS 41 TO 51. HIGHS
72 TO 79.
IDZ068-070-191000-
LOST RIVER VALLEY-CHALLIS/PAHSIMEROI VALLEYS-
INCLUDING HOWE, ARCO, MACKAY, CHILLY, AND CHALLIS
1232 PM MDT FRI SEP 18 2026
..FLOOD WATCH IN EFFECT UNTIL MIDNIGHT MDT TONIGHT
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 39 TO 48. NORTH WINDS UP TO
10 MPH IN THE EVENING...BECOMING LIGHT AND VARIABLE.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. HIGHS 55 TO 65. LIGHT AND
VARIABLE WINDS.
SATURDAY NIGHT
MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS 38 TO 46. LIGHT AND VARIABLE
WINDS.
SUNDAY
MOSTLY SUNNY. WARMER. HIGHS 62 TO 72. LIGHT AND
VARIABLE WINDS.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 40 TO 48. LIGHT AND VARIABLE
WINDS.
MONDAY
SUNNY. HIGHS 66 TO 76.
MONDAY NIGHT THROUGH TUESDAY NIGHT
PARTLY CLOUDY. LOWS 42 TO
50. HIGHS 67 TO 77.
WEDNESDAY THROUGH THURSDAY
MOSTLY CLEAR. HIGHS 69 TO 79. LOWS
43 TO 50.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS 44 TO 51. HIGHS
69 TO 79.
IDZ066-067-191000-
CENTENNIAL MOUNTAINS - ISLAND PARK-BEAVERHEAD - LEMHI HIGHLANDS-
INCLUDING ISLAND PARK, KILGORE, DUBOIS, SPENCER,
EDIE SCHOOL, AND SMALL
1232 PM MDT FRI SEP 18 2026
..FLOOD WATCH IN EFFECT UNTIL MIDNIGHT MDT TONIGHT
TONIGHT
RAIN SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS IN
THE EVENING...THEN RAIN SHOWERS LIKELY AND A SLIGHT CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT. COLDER. LOWS 38 TO 47.
SATURDAY
RAIN SHOWERS LIKELY AND A SLIGHT CHANCE OF
THUNDERSTORMS IN THE MORNING...THEN A CHANCE OF RAIN SHOWERS AND
A SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 54 TO
61.
SATURDAY NIGHT
MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS 35 TO 45.
SUNDAY
PARTLY SUNNY. NOT AS COOL. HIGHS 59 TO 67.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 35 TO 45.
MONDAY AND MONDAY NIGHT
MOSTLY CLEAR. HIGHS 63 TO 72. LOWS
38 TO 48.
TUESDAY AND TUESDAY NIGHT
PARTLY CLOUDY. HIGHS 66 TO 74. LOWS
39 TO 49.
WEDNESDAY THROUGH THURSDAY
MOSTLY CLEAR. HIGHS 66 TO 76. LOWS
39 TO 49.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS 40 TO 50. HIGHS
68 TO 76.
IDZ065-191000-
TETON VALLEY-
INCLUDING ASHTON, TETONIA, AND DRIGGS
1232 PM MDT FRI SEP 18 2026
..FLOOD WATCH IN EFFECT UNTIL MIDNIGHT MDT TONIGHT
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 40 TO 47.
SATURDAY
RAIN SHOWERS LIKELY AND A SLIGHT CHANCE OF
THUNDERSTORMS IN THE MORNING...THEN A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 60.
SATURDAY NIGHT
MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING...THEN A SLIGHT CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. LOWS 36 TO 43.
SUNDAY
PARTLY SUNNY. HIGHS 61 TO 68.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 36 TO 44.
MONDAY AND MONDAY NIGHT
MOSTLY CLEAR. HIGHS 67 TO 74. LOWS
39 TO 47.
TUESDAY AND TUESDAY NIGHT
PARTLY CLOUDY. HIGHS AROUND 73. LOWS
41 TO 48.
WEDNESDAY THROUGH THURSDAY
MOSTLY CLEAR. HIGHS 69 TO 76. LOWS
40 TO 48.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS 42 TO 49. HIGHS
AROUND 75.
IDZ062-191000-
BLACKFOOT MOUNTAINS-
INCLUDING GRACE, SODA SPRINGS, HENRY, AND BONE
1232 PM MDT FRI SEP 18 2026
..FLOOD WATCH IN EFFECT UNTIL MIDNIGHT MDT TONIGHT
TONIGHT
RAIN SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS IN
THE EVENING...THEN A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
AFTER MIDNIGHT. COLDER. LOWS 38 TO 48.
SATURDAY
PARTLY SUNNY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING...THEN A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. HIGHS 54 TO 63.
SATURDAY NIGHT
MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS 36 TO 46.
SUNDAY
MOSTLY SUNNY. HIGHS 60 TO 68.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 37 TO 47.
MONDAY
SUNNY. HIGHS 66 TO 75.
MONDAY NIGHT THROUGH TUESDAY NIGHT
PARTLY CLOUDY. LOWS 42 TO
52. HIGHS 68 TO 75.
WEDNESDAY THROUGH THURSDAY
MOSTLY CLEAR. HIGHS 68 TO 78. LOWS
41 TO 51.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS 44 TO 54. HIGHS
70 TO 78.
IDZ060-191000-
BEAR RIVER RANGE-
INCLUDING EMIGRATION SUMMIT
1232 PM MDT FRI SEP 18 2026
..FLOOD WATCH IN EFFECT UNTIL MIDNIGHT MDT TONIGHT
TONIGHT
RAIN SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS IN
THE EVENING...THEN A CHANCE OF RAIN SHOWERS AND A SLIGHT CHANCE
OF THUNDERSTORMS AFTER MIDNIGHT. COLDER. LOWS 46 TO 53.
SATURDAY
PARTLY SUNNY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING...THEN A CHANCE OF RAIN SHOWERS AND
A SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 56 TO
63.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE EVENING...THEN PARTLY CLOUDY AFTER
MIDNIGHT. LOWS 43 TO 50.
SUNDAY
SUNNY. HIGHS 60 TO 67.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 45 TO 52.
MONDAY
SUNNY. HIGHS 66 TO 73.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. LOWS 50 TO 57. HIGHS
67 TO 74.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS 50 TO 57.
WEDNESDAY THROUGH THURSDAY
MOSTLY CLEAR. HIGHS 68 TO 77. LOWS
49 TO 56.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 51 TO 58.
FRIDAY
SUNNY. HIGHS 70 TO 77.
IDZ061-191000-
BEAR LAKE VALLEY-
INCLUDING ST. CHARLES, MONTPELIER, AND GEORGETOWN
1232 PM MDT FRI SEP 18 2026
..FLOOD WATCH IN EFFECT UNTIL MIDNIGHT MDT TONIGHT
TONIGHT
RAIN SHOWERS AND A CHANCE OF THUNDERSTORMS IN THE
EVENING...THEN A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS AFTER
MIDNIGHT. COLDER. LOWS 37 TO 47.
SATURDAY
PARTLY SUNNY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING...THEN A CHANCE OF RAIN SHOWERS AND
A SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 57 TO
64.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE EVENING...THEN PARTLY CLOUDY AFTER
MIDNIGHT. LOWS 33 TO 43.
SUNDAY
MOSTLY SUNNY. HIGHS AROUND 65.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 34 TO 44.
MONDAY
SUNNY. HIGHS 67 TO 74.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. LOWS 39 TO 49. HIGHS
68 TO 75.
TUESDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS 39 TO 49.
WEDNESDAY THROUGH THURSDAY
MOSTLY CLEAR. HIGHS 69 TO 78. LOWS
39 TO 49.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS 41 TO 51. HIGHS
71 TO 78.
IDZ071-191000-
FRANK CHURCH WILDERNESS-
INCLUDING CLAYTON
1232 PM MDT FRI SEP 18 2026
..FLOOD WATCH IN EFFECT UNTIL MIDNIGHT MDT TONIGHT
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 36 TO 46.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. HIGHS 55 TO 65.
SATURDAY NIGHT
MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS 35 TO 45.
SUNDAY
MOSTLY SUNNY. WARMER. HIGHS 63 TO 73.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 37 TO 47.
MONDAY
SUNNY. HIGHS 66 TO 76.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. LOWS 39 TO 49. HIGHS
65 TO 75.
TUESDAY NIGHT THROUGH THURSDAY
MOSTLY CLEAR. LOWS 39 TO 48.
HIGHS 67 TO 77.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS 40 TO 50. HIGHS
67 TO 77.
IDZ074-191000-
BIG LOST HIGHLANDS/COPPER BASIN-
INCLUDING COPPER BASIN
1232 PM MDT FRI SEP 18 2026
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. COLDER. LOWS 36 TO 46.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. HIGHS 51 TO 58.
SATURDAY NIGHT
MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS 37 TO 47.
SUNDAY
MOSTLY SUNNY. NOT AS COOL. HIGHS 58 TO 65.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 38 TO 48.
MONDAY
SUNNY. HIGHS 62 TO 69.
MONDAY NIGHT THROUGH TUESDAY NIGHT
PARTLY CLOUDY. LOWS 42 TO
52. HIGHS 62 TO 71.
WEDNESDAY THROUGH THURSDAY
MOSTLY CLEAR. HIGHS 64 TO 74. LOWS
41 TO 51.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS 43 TO 53. HIGHS
65 TO 74.
IDZ055-191000-
EASTERN MAGIC VALLEY-
INCLUDING BURLEY, RUPERT, HEYBURN, AND OAKLEY
1232 PM MDT FRI SEP 18 2026
TONIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS
IN THE EVENING...THEN A CHANCE OF RAIN SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. COLDER. LOWS 40 TO 49.
SOUTHWEST WINDS AROUND 10 MPH.
SATURDAY
PARTLY SUNNY. A CHANCE OF RAIN SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS IN THE MORNING...THEN A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. HIGHS 61 TO 68.
SOUTHWEST WINDS AROUND 10 MPH. CHANCE OF PRECIPITATION
50 PERCENT.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 41 TO 48. LIGHT AND
VARIABLE WINDS.
SUNDAY
SUNNY, WARMER. HIGHS 68 TO 75. EAST WINDS UP TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 43 TO 52. EAST WINDS UP TO
10 MPH.
MONDAY
SUNNY. HIGHS 74 TO 81.
MONDAY NIGHT THROUGH TUESDAY NIGHT
PARTLY CLOUDY. LOWS 46 TO
56. HIGHS 74 TO 81.
WEDNESDAY
SUNNY. HIGHS 76 TO 83.
WEDNESDAY NIGHT AND THURSDAY
MOSTLY CLEAR. LOWS 45 TO 55.
HIGHS 78 TO 85.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 47 TO 57.
FRIDAY
SUNNY. HIGHS 79 TO 86.
WEATHER INFORMATION ON-LINE 24-HOURS A DAY
WWW.WEATHER.GOV/POCATELLO
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