505
FPUS55 KPIH 200917
ZFPPIH
ZONE FORECAST PRODUCT FOR IDAHO
NATIONAL WEATHER SERVICE POCATELLO ID
317 AM MDT WED MAY 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
317 AM MDT WED MAY 20 2026
TODAY
INCREASING CLOUDS. HIGHS 54 TO 64.
TONIGHT
MOSTLY CLOUDY WITH ISOLATED RAIN SHOWERS AND SNOW
SHOWERS IN THE EVENING...THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS
28 TO 38.
THURSDAY
SUNNY. HIGHS 55 TO 65.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 29 TO 39.
FRIDAY
SUNNY. HIGHS 61 TO 71.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLEAR. LOWS 32 TO 42. HIGHS
67 TO 77.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 36 TO 46.
SUNDAY THROUGH MEMORIAL DAY
MOSTLY CLEAR. BREEZY. HIGHS 69 TO
79. LOWS 37 TO 47.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 33 TO 42.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF RAIN AND SNOW. HIGHS
55 TO 65.
IDZ073-202200-
SUN VALLEY REGION-
INCLUDING KETCHUM, SUN VALLEY, AND GALENA
317 AM MDT WED MAY 20 2026
TODAY
MOSTLY SUNNY. HIGHS 57 TO 67.
TONIGHT
MOSTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS 30 TO
39.
THURSDAY
SUNNY. HIGHS 57 TO 67.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 31 TO 41.
FRIDAY
MOSTLY SUNNY. HIGHS 61 TO 71.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLEAR. LOWS 34 TO 44. HIGHS
68 TO 78.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 38 TO 48.
SUNDAY AND SUNDAY NIGHT
MOSTLY CLEAR. HIGHS 71 TO 81. LOWS
39 TO 49.
MEMORIAL DAY
SUNNY WITH A SLIGHT CHANCE OF RAIN. HIGHS 71 TO
81.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 37 TO 47.
TUESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF RAIN AND SNOW.
HIGHS 59 TO 68.
IDZ053-202200-
UPPER SNAKE RIVER PLAIN-
INCLUDING IDAHO FALLS, REXBURG, AND ST. ANTHONY
317 AM MDT WED MAY 20 2026
..FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM MDT THIS MORNING
TODAY...MOSTLY SUNNY. HIGHS 59 TO 67. SOUTH WINDS UP TO 10 MPH
SHIFTING TO SOUTHWEST IN THE AFTERNOON.
TONIGHT
NUMEROUS RAIN SHOWERS AND ISOLATED THUNDERSTORMS IN
THE EVENING...THEN SCATTERED RAIN SHOWERS AFTER MIDNIGHT. LOWS
34 TO 43. WEST WINDS 10 TO 15 MPH...SHIFTING TO NORTH AFTER
MIDNIGHT. CHANCE OF PRECIPITATION 70 PERCENT.
THURSDAY...PARTLY SUNNY. SCATTERED RAIN SHOWERS IN THE MORNING
THEN ISOLATED SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. HIGHS
55 TO 62. NORTH WINDS 10 TO 20 MPH. CHANCE OF PRECIPITATION
50 PERCENT.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 30 TO 37. NORTHEAST WINDS
10 TO 15 MPH.
FRIDAY
MOSTLY SUNNY. WARMER. HIGHS 62 TO 69. SOUTHEAST WINDS
UP TO 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 36 TO 43.
SATURDAY
SUNNY. HIGHS 70 TO 79.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 40 TO 49.
SUNDAY
SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 75 TO 82.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 42 TO 51.
MEMORIAL DAY
SUNNY. HIGHS 77 TO 84.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. BREEZY. LOWS 43 TO 52.
HIGHS 67 TO 75.
IDZ052-202200-
ARCO/MUD LAKE DESERT-
INCLUDING MUD LAKE, INL, AND CRATERS OF THE MOON NM
317 AM MDT WED MAY 20 2026
..FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM MDT THIS MORNING
TODAY
MOSTLY SUNNY. ISOLATED RAIN SHOWERS IN THE AFTERNOON.
HIGHS 62 TO 69. NORTHEAST WINDS UP TO 10 MPH...SHIFTING TO
SOUTHWEST IN THE AFTERNOON.
TONIGHT
CLOUDY. SCATTERED RAIN SHOWERS AND ISOLATED
THUNDERSTORMS IN THE EVENING...THEN SCATTERED RAIN SHOWERS AFTER
MIDNIGHT. LOWS 34 TO 41. NORTHWEST WINDS 10 TO 20 MPH...SHIFTING
TO NORTH 10 TO 15 MPH AFTER MIDNIGHT. CHANCE OF PRECIPITATION
50 PERCENT.
THURSDAY
PARTLY SUNNY WITH ISOLATED RAIN SHOWERS IN THE
MORNING...THEN SUNNY IN THE AFTERNOON. BREEZY. HIGHS 59 TO 66.
NORTH WINDS 10 TO 15 MPH...INCREASING TO 15 TO 25 MPH IN THE
AFTERNOON. CHANCE OF PRECIPITATION 20 PERCENT.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 31 TO 40. NORTHEAST WINDS
10 TO 15 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS 65 TO 72. EAST WINDS AROUND 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 36 TO 43.
SATURDAY
SUNNY. HIGHS 75 TO 82.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 40 TO 49.
SUNDAY
SUNNY. HIGHS 78 TO 85.
SUNDAY NIGHT THROUGH MONDAY NIGHT
PARTLY CLOUDY. BREEZY. LOWS
42 TO 50. HIGHS 80 TO 87.
TUESDAY
MOSTLY SUNNY. BREEZY. HIGHS 69 TO 76.
IDZ051-202200-
SHOSHONE/LAVA BEDS-
INCLUDING SHOSHONE, RICHFIELD, AND CAREY
317 AM MDT WED MAY 20 2026
..FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM MDT THIS MORNING
TODAY...MOSTLY SUNNY. HIGHS 64 TO 71. LIGHT AND VARIABLE WINDS
BECOMING WEST 10 TO 20 MPH IN THE AFTERNOON.
TONIGHT...MOSTLY CLOUDY IN THE EVENING
THEN PARTLY CLOUDY WITH
ISOLATED RAIN SHOWERS AFTER MIDNIGHT. LOWS 36 TO 43. WEST WINDS
10 TO 20 MPH...SHIFTING TO NORTH AROUND 10 MPH AFTER MIDNIGHT.
CHANCE OF PRECIPITATION 20 PERCENT.
THURSDAY
MOSTLY SUNNY. ISOLATED RAIN SHOWERS IN THE MORNING.
HIGHS 62 TO 69. NORTHEAST WINDS UP TO 10 MPH...SHIFTING TO
NORTHWEST AROUND 10 MPH IN THE AFTERNOON. CHANCE OF PRECIPITATION
20 PERCENT.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 35 TO 44. EAST WINDS AROUND
10 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS 68 TO 75. EAST WINDS AROUND 10 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS 37 TO 45.
SATURDAY
SUNNY. HIGHS 76 TO 84.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 43 TO 51.
SUNDAY
SUNNY. HIGHS 79 TO 86.
SUNDAY NIGHT THROUGH MONDAY NIGHT
PARTLY CLOUDY. LOWS 42 TO
52. HIGHS 80 TO 87.
TUESDAY
MOSTLY SUNNY. HIGHS 68 TO 75.
IDZ056-057-202200-
SOUTHERN HILLS/ALBION MOUNTAINS-RAFT RIVER REGION-
INCLUDING ALBION, ALMO, MALTA, ROCKLAND,
AND HOLBROOK
317 AM MDT WED MAY 20 2026
TODAY
INCREASING CLOUDS. HIGHS 64 TO 71. SOUTHWEST WINDS UP TO
10 MPH...SHIFTING TO WEST IN THE AFTERNOON.
TONIGHT
MOSTLY CLOUDY. SCATTERED RAIN SHOWERS AFTER MIDNIGHT.
LOWS 39 TO 48. WEST WINDS 10 TO 15 MPH.
THURSDAY
PARTLY SUNNY. SCATTERED RAIN SHOWERS IN THE MORNING.
HIGHS 59 TO 66. NORTH WINDS 10 TO 20 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 35 TO 45. NORTH WINDS UP TO
10 MPH.
FRIDAY
MOSTLY SUNNY. WARMER. HIGHS 66 TO 73. SOUTHWEST WINDS
UP TO 10 MPH.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLEAR. LOWS 39 TO 49. HIGHS
74 TO 81.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 46 TO 56.
SUNDAY
SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 78 TO 85.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 47 TO 57.
MEMORIAL DAY
SUNNY WITH A SLIGHT CHANCE OF RAIN. HIGHS 79 TO
87.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. BREEZY. LOWS 45 TO 54.
HIGHS 67 TO 77.
IDZ058-059-202200-
MARSH AND ARBON HIGHLANDS-FRANKLIN/EASTERN ONEIDA REGION-
INCLUDING INKOM, MCCAMMON, DOWNEY,
LAVA HOT SPRINGS, MALAD, PRESTON, AND THATCHER
317 AM MDT WED MAY 20 2026
TODAY
MOSTLY SUNNY. HIGHS 58 TO 68.
TONIGHT...MOSTLY CLOUDY. ISOLATED RAIN SHOWERS IN THE EVENING
THEN SCATTERED RAIN SHOWERS AFTER MIDNIGHT. LOWS 37 TO 47.
THURSDAY
PARTLY SUNNY. SCATTERED RAIN SHOWERS AND ISOLATED
THUNDERSTORMS IN THE MORNING...THEN SCATTERED SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. HIGHS 54 TO 64.
THURSDAY NIGHT
MOSTLY CLEAR. COLDER. LOWS 31 TO 41.
FRIDAY
MOSTLY SUNNY. WARMER. HIGHS 61 TO 71.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS 35 TO 45.
SATURDAY
SUNNY. HIGHS 69 TO 79.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 41 TO 51.
SUNDAY
SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 73 TO 83.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 43 TO 53.
MEMORIAL DAY
SUNNY. HIGHS 75 TO 85.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. LOWS 43 TO 53. HIGHS
67 TO 75.
IDZ054-202200-
LOWER SNAKE RIVER PLAIN-
INCLUDING POCATELLO, BLACKFOOT, AMERICAN FALLS,
SHELLEY, AND FORT HALL
317 AM MDT WED MAY 20 2026
..FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM MDT THIS MORNING
TODAY...SUNNY. HIGHS 63 TO 70. SOUTHWEST WINDS UP TO 10 MPH
INCREASING TO 10 TO 15 MPH IN THE AFTERNOON.
TONIGHT...ISOLATED RAIN SHOWERS IN THE EVENING
THEN NUMEROUS
RAIN SHOWERS AFTER MIDNIGHT. LOWS 37 TO 45. WEST WINDS 10 TO
15 MPH...SHIFTING TO NORTHEAST AFTER MIDNIGHT. CHANCE OF
PRECIPITATION 70 PERCENT.
THURSDAY
MOSTLY SUNNY. SCATTERED RAIN SHOWERS IN THE MORNING.
HIGHS 59 TO 66. NORTH WINDS 10 TO 20 MPH. CHANCE OF PRECIPITATION
50 PERCENT.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 32 TO 40. NORTHEAST WINDS
10 TO 15 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS 64 TO 72. NORTH WINDS UP TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS 35 TO 44.
SATURDAY
SUNNY. HIGHS 71 TO 81.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 41 TO 51.
SUNDAY
SUNNY. HIGHS 76 TO 84.
SUNDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN. LOWS
42 TO 52.
MEMORIAL DAY
SUNNY. HIGHS 77 TO 85.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. LOWS 43 TO 52. HIGHS
70 TO 77.
IDZ075-202200-
WOOD RIVER FOOTHILLS-
INCLUDING HAILEY, BELLEVUE, AND PICABO
317 AM MDT WED MAY 20 2026
TODAY
MOSTLY SUNNY. HIGHS 58 TO 68. NORTHWEST WINDS UP TO
10 MPH...SHIFTING TO WEST IN THE AFTERNOON.
TONIGHT
DECREASING CLOUDS. LOWS 34 TO 43. NORTHWEST WINDS
10 TO 20 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS 58 TO 68. NORTH WINDS UP TO
10 MPH...SHIFTING TO NORTHWEST AROUND 10 MPH IN THE AFTERNOON.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 35 TO 44. NORTHEAST WINDS
UP TO 10 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS 62 TO 72. SOUTH WINDS AROUND
10 MPH.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLEAR. LOWS 37 TO 47. HIGHS
70 TO 80.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 43 TO 53.
SUNDAY THROUGH MEMORIAL DAY
MOSTLY CLEAR. HIGHS 73 TO 83. LOWS
43 TO 53.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. LOWS 42 TO 52. HIGHS
62 TO 71.
IDZ069-202200-
LOST RIVER RANGE-
INCLUDING BORAH PEAK
317 AM MDT WED MAY 20 2026
TODAY
MOSTLY SUNNY. ISOLATED RAIN SHOWERS AND SNOW SHOWERS IN
THE AFTERNOON. HIGHS 54 TO 64.
TONIGHT
NUMEROUS SNOW SHOWERS WITH POSSIBLE SHOWERS AND
THUNDERSTORMS IN THE EVENING...THEN SCATTERED SNOW SHOWERS AND
RAIN SHOWERS AFTER MIDNIGHT. SNOW ACCUMULATION AROUND 1 INCH.
SNOW LEVEL 8100 FEET. LOWS 35 TO 42.
THURSDAY
MOSTLY SUNNY. BREEZY. HIGHS 52 TO 62.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 33 TO 40.
FRIDAY
MOSTLY SUNNY. NOT AS COOL. HIGHS 57 TO 67.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 38 TO 45.
SATURDAY
SUNNY. HIGHS 65 TO 75.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 42 TO 49.
SUNDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 70 TO 80.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 44 TO 51.
MEMORIAL DAY
SUNNY, WINDY. HIGHS 70 TO 80.
MONDAY NIGHT
PARTLY CLOUDY. BREEZY. LOWS 43 TO 50.
TUESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF RAIN. WINDY.
HIGHS 61 TO 71.
IDZ063-064-202200-
CARIBOU RANGE-BIG HOLE MOUNTAINS-
INCLUDING WAYAN, SWAN VALLEY, AND VICTOR
317 AM MDT WED MAY 20 2026
TODAY
MOSTLY SUNNY. HIGHS 57 TO 64.
TONIGHT...ISOLATED RAIN SHOWERS IN THE EVENING
THEN NUMEROUS
RAIN SHOWERS, SNOW SHOWERS AND ISOLATED THUNDERSTORMS AFTER
MIDNIGHT. SNOW ACCUMULATION UP TO 1 INCH. LOWS 33 TO 41.
THURSDAY
MOSTLY CLOUDY. SCATTERED RAIN SHOWERS, ISOLATED
THUNDERSTORMS AND SNOW SHOWERS IN THE MORNING...THEN SCATTERED
RAIN SHOWERS, THUNDERSTORMS AND ISOLATED SNOW SHOWERS IN THE
AFTERNOON. SNOW ACCUMULATION UP TO 1 INCH. HIGHS 51 TO 58.
THURSDAY NIGHT
MOSTLY CLEAR. COLDER. LOWS 28 TO 36.
FRIDAY
MOSTLY SUNNY. NOT AS COOL. HIGHS 59 TO 68.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLEAR. LOWS 32 TO 41. HIGHS
67 TO 76.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS 36 TO 46.
SUNDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 72 TO 81.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 38 TO 48.
MEMORIAL DAY
SUNNY. HIGHS 74 TO 84.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 39 TO 48.
TUESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 65 TO 72.
IDZ068-070-202200-
LOST RIVER VALLEY-CHALLIS/PAHSIMEROI VALLEYS-
INCLUDING HOWE, ARCO, MACKAY, CHILLY, AND CHALLIS
317 AM MDT WED MAY 20 2026
TODAY
MOSTLY SUNNY. SCATTERED RAIN SHOWERS IN THE AFTERNOON.
HIGHS 57 TO 67. LIGHT AND VARIABLE WINDS...BECOMING WEST AROUND
10 MPH IN THE AFTERNOON.
TONIGHT
MOSTLY CLOUDY. SCATTERED RAIN SHOWERS AND ISOLATED
THUNDERSTORMS IN THE EVENING...THEN SCATTERED RAIN SHOWERS AND
ISOLATED SNOW SHOWERS AFTER MIDNIGHT. NO SNOW ACCUMULATION. LOWS
34 TO 41. NORTHWEST WINDS 10 TO 15 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS 55 TO 65. NORTH WINDS 10 TO
15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 33 TO 40. NORTH WINDS UP TO
10 MPH.
FRIDAY
MOSTLY SUNNY. WARMER. HIGHS 61 TO 71. SOUTHWEST WINDS
UP TO 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 36 TO 43.
SATURDAY
SUNNY. HIGHS 69 TO 79.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 41 TO 48.
SUNDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 72 TO 82.
SUNDAY NIGHT THROUGH MONDAY NIGHT
PARTLY CLOUDY. BREEZY. LOWS
41 TO 49. HIGHS 73 TO 83.
TUESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF RAIN. BREEZY.
HIGHS 63 TO 73.
IDZ066-067-202200-
CENTENNIAL MOUNTAINS - ISLAND PARK-BEAVERHEAD - LEMHI HIGHLANDS-
INCLUDING ISLAND PARK, KILGORE, DUBOIS, SPENCER,
EDIE SCHOOL, AND SMALL
317 AM MDT WED MAY 20 2026
TODAY
PARTLY SUNNY. ISOLATED RAIN SHOWERS, THUNDERSTORMS AND
SNOW SHOWERS IN THE AFTERNOON. HIGHS 54 TO 62.
TONIGHT
NUMEROUS RAIN SHOWERS, SNOW SHOWERS AND ISOLATED
THUNDERSTORMS IN THE EVENING...THEN SCATTERED RAIN SHOWERS AND
SNOW SHOWERS AFTER MIDNIGHT. SNOW ACCUMULATION UP TO 2 INCHES.
LOWS 30 TO 40.
THURSDAY
MOSTLY CLOUDY WITH SCATTERED RAIN SHOWERS AND SNOW
SHOWERS IN THE MORNING...THEN MOSTLY SUNNY IN THE AFTERNOON.
BREEZY. LITTLE OR NO SNOW ACCUMULATION. HIGHS 51 TO 59.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 27 TO 37.
FRIDAY
MOSTLY SUNNY. NOT AS COOL. HIGHS 58 TO 65.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 32 TO 42.
SATURDAY
SUNNY. HIGHS 65 TO 74.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS 36 TO 46.
SUNDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 71 TO 79.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 38 TO 48.
MEMORIAL DAY
SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 73 TO 81.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 38 TO 48.
TUESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 64 TO 71.
IDZ065-202200-
TETON VALLEY-
INCLUDING ASHTON, TETONIA, AND DRIGGS
317 AM MDT WED MAY 20 2026
TODAY
PARTLY SUNNY. HIGHS 58 TO 65.
TONIGHT
SCATTERED RAIN SHOWERS AND ISOLATED THUNDERSTORMS IN
THE EVENING...THEN RAIN SHOWERS AFTER MIDNIGHT. LOWS 33 TO 40.
THURSDAY
MOSTLY CLOUDY. SCATTERED RAIN SHOWERS AND ISOLATED
SNOW SHOWERS IN THE MORNING...THEN SCATTERED RAIN SHOWERS AND
ISOLATED THUNDERSTORMS IN THE AFTERNOON. NO SNOW ACCUMULATION.
HIGHS 53 TO 60.
THURSDAY NIGHT
MOSTLY CLEAR. COLDER. LOWS 27 TO 34.
FRIDAY
MOSTLY SUNNY. WARMER. HIGHS 60 TO 67.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 34 TO 41.
SATURDAY
SUNNY. HIGHS 68 TO 75.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 39 TO 46.
SUNDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 73 TO 80.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 41 TO 48.
MEMORIAL DAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 75 TO 82.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 42 TO 49.
TUESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS AROUND 70.
IDZ062-202200-
BLACKFOOT MOUNTAINS-
INCLUDING GRACE, SODA SPRINGS, HENRY, AND BONE
317 AM MDT WED MAY 20 2026
TODAY
MOSTLY SUNNY. HIGHS 55 TO 63.
TONIGHT...ISOLATED RAIN SHOWERS IN THE EVENING
THEN NUMEROUS
RAIN SHOWERS AND ISOLATED THUNDERSTORMS AFTER MIDNIGHT. LOWS
34 TO 44.
THURSDAY
MOSTLY CLOUDY. SCATTERED RAIN SHOWERS AND ISOLATED
SNOW SHOWERS IN THE MORNING...THEN SCATTERED SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. NO SNOW ACCUMULATION. HIGHS 51 TO
59.
THURSDAY NIGHT
MOSTLY CLEAR. COLDER. LOWS 28 TO 38.
FRIDAY
MOSTLY SUNNY. WARMER. HIGHS 57 TO 66.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLEAR. LOWS 33 TO 43. HIGHS
65 TO 75.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS 39 TO 49.
SUNDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 69 TO 78.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 41 TO 51.
MEMORIAL DAY
SUNNY. HIGHS 71 TO 80.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. BREEZY. LOWS 42 TO 52.
HIGHS 65 TO 72.
IDZ060-202200-
BEAR RIVER RANGE-
INCLUDING EMIGRATION SUMMIT
317 AM MDT WED MAY 20 2026
TODAY
MOSTLY SUNNY. HIGHS 55 TO 62.
TONIGHT...MOSTLY CLOUDY. ISOLATED RAIN SHOWERS IN THE EVENING
THEN SCATTERED RAIN SHOWERS AND SNOW SHOWERS AFTER MIDNIGHT.
LITTLE OR NO SNOW ACCUMULATION. LOWS 42 TO 49.
THURSDAY
SCATTERED RAIN SHOWERS, SNOW SHOWERS AND ISOLATED
THUNDERSTORMS IN THE MORNING...THEN NUMEROUS RAIN SHOWERS,
SCATTERED THUNDERSTORMS AND NUMEROUS SNOW SHOWERS IN THE
AFTERNOON. LITTLE OR NO SNOW ACCUMULATION. HIGHS 50 TO 57.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 35 TO 42.
FRIDAY
MOSTLY SUNNY. NOT AS COOL. HIGHS 57 TO 64.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLEAR. LOWS 40 TO 47. HIGHS
64 TO 71.
SATURDAY NIGHT THROUGH MONDAY NIGHT
MOSTLY CLEAR. LOWS 47 TO
57. HIGHS 70 TO 80.
TUESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 64 TO 71.
IDZ061-202200-
BEAR LAKE VALLEY-
INCLUDING ST. CHARLES, MONTPELIER, AND GEORGETOWN
317 AM MDT WED MAY 20 2026
TODAY
MOSTLY SUNNY. HIGHS 56 TO 63.
TONIGHT
MOSTLY CLOUDY. SCATTERED RAIN SHOWERS AFTER MIDNIGHT.
LOWS 33 TO 42.
THURSDAY
NUMEROUS RAIN SHOWERS AND ISOLATED THUNDERSTORMS IN
THE MORNING...THEN NUMEROUS RAIN SHOWERS AND SCATTERED
THUNDERSTORMS IN THE AFTERNOON. HIGHS 51 TO 58.
THURSDAY NIGHT
MOSTLY CLEAR. COLDER. LOWS 28 TO 38.
FRIDAY
MOSTLY SUNNY. WARMER. HIGHS 58 TO 65.
FRIDAY NIGHT THROUGH SATURDAY NIGHT
MOSTLY CLEAR. LOWS 33 TO
43. HIGHS 64 TO 73.
SUNDAY THROUGH MEMORIAL DAY
MOSTLY CLEAR. HIGHS 70 TO 80. LOWS
39 TO 47.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 40 TO 48.
TUESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 65 TO 72.
IDZ071-074-202200-
FRANK CHURCH WILDERNESS-BIG LOST HIGHLANDS/COPPER BASIN-
INCLUDING CLAYTON AND COPPER BASIN
317 AM MDT WED MAY 20 2026
TODAY...MOSTLY SUNNY IN THE MORNING
THEN MOSTLY CLOUDY WITH
ISOLATED RAIN SHOWERS AND SNOW SHOWERS IN THE AFTERNOON. HIGHS
54 TO 64.
TONIGHT
MOSTLY CLOUDY. SCATTERED RAIN SHOWERS, SNOW SHOWERS
AND ISOLATED THUNDERSTORMS IN THE EVENING...THEN SCATTERED RAIN
SHOWERS AND ISOLATED SNOW SHOWERS AFTER MIDNIGHT. LITTLE OR NO
SNOW ACCUMULATION. LOWS 29 TO 38.
THURSDAY
MOSTLY SUNNY. HIGHS 53 TO 63.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 30 TO 40.
FRIDAY
MOSTLY SUNNY. HIGHS 59 TO 69.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLEAR. LOWS 33 TO 43. HIGHS
66 TO 76.
SATURDAY NIGHT AND SUNDAY
PARTLY CLOUDY. LOWS 38 TO 48. HIGHS
69 TO 79.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 39 TO 49.
MEMORIAL DAY
SUNNY WITH A SLIGHT CHANCE OF RAIN. BREEZY. HIGHS
68 TO 78.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 36 TO 46.
TUESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF RAIN AND SNOW.
BREEZY. HIGHS 57 TO 67.
IDZ055-202200-
EASTERN MAGIC VALLEY-
INCLUDING BURLEY, RUPERT, HEYBURN, AND OAKLEY
317 AM MDT WED MAY 20 2026
..FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM MDT THIS MORNING
TODAY
MOSTLY SUNNY. HIGHS 65 TO 72. SOUTHWEST WINDS UP TO
10 MPH...SHIFTING TO WEST IN THE AFTERNOON.
TONIGHT
MOSTLY CLOUDY. SCATTERED RAIN SHOWERS AFTER MIDNIGHT.
LOWS 39 TO 48. WEST WINDS 10 TO 15 MPH. CHANCE OF PRECIPITATION
50 PERCENT.
THURSDAY
MOSTLY CLOUDY WITH SCATTERED RAIN SHOWERS IN THE
MORNING...THEN MOSTLY SUNNY IN THE AFTERNOON. HIGHS 61 TO 68.
NORTH WINDS 10 TO 15 MPH. CHANCE OF PRECIPITATION 50 PERCENT.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 36 TO 45. EAST WINDS AROUND
10 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS 67 TO 74. NORTHEAST WINDS UP TO
10 MPH.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLEAR. LOWS 39 TO 49. HIGHS
76 TO 83.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 45 TO 55.
SUNDAY
SUNNY. HIGHS 79 TO 86.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 46 TO 56.
MEMORIAL DAY
SUNNY. HIGHS 80 TO 87.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. LOWS 44 TO 53. HIGHS
70 TO 77.
WEATHER INFORMATION ON-LINE 24-HOURS A DAY
WWW.WEATHER.GOV/POCATELLO
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