324
FPUS55 KPIH 201832
ZFPPIH
ZONE FORECAST PRODUCT FOR IDAHO
NATIONAL WEATHER SERVICE POCATELLO ID
1232 PM 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.
IDZ072-211000-
SAWTOOTH/STANLEY BASIN-
INCLUDING STANLEY
1232 PM MDT WED MAY 20 2026
TONIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN IN THE
EVENING...THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS 27 TO 37.
THURSDAY
SUNNY. HIGHS 55 TO 65.
THURSDAY NIGHT
INCREASING CLOUDS. LOWS 30 TO 40.
FRIDAY
MOSTLY SUNNY. HIGHS 60 TO 70.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS 32 TO 42.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLEAR. HIGHS 66 TO 76. LOWS
37 TO 47.
SUNDAY
MOSTLY SUNNY. HIGHS 68 TO 78.
SUNDAY NIGHT AND MEMORIAL DAY
MOSTLY CLEAR. LOWS 37 TO 47.
HIGHS 67 TO 77.
MONDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN. LOWS
35 TO 45.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF RAIN SHOWERS, A SLIGHT
CHANCE OF THUNDERSTORMS AND SNOW. HIGHS 57 TO 67.
TUESDAY NIGHT AND WEDNESDAY
MOSTLY CLOUDY. A CHANCE OF RAIN
SHOWERS, SNOW SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. LOWS
30 TO 40. HIGHS 53 TO 63.
IDZ073-211000-
SUN VALLEY REGION-
INCLUDING KETCHUM, SUN VALLEY, AND GALENA
1232 PM MDT WED MAY 20 2026
TONIGHT
PARTLY CLOUDY. LOWS 30 TO 38.
THURSDAY
SUNNY. HIGHS 57 TO 67.
THURSDAY NIGHT
INCREASING CLOUDS. LOWS 31 TO 40.
FRIDAY
MOSTLY SUNNY. HIGHS 60 TO 70.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS 34 TO 44.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLEAR. HIGHS 68 TO 78. LOWS
39 TO 49.
SUNDAY
MOSTLY SUNNY. HIGHS 70 TO 80.
SUNDAY NIGHT AND MEMORIAL DAY
MOSTLY CLEAR. LOWS 39 TO 49.
HIGHS 70 TO 80.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 38 TO 48.
TUESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF RAIN AND SNOW.
HIGHS 61 TO 71.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS,
SNOW AND A SLIGHT CHANCE OF THUNDERSTORMS. LOWS 33 TO 42.
WEDNESDAY
PARTLY SUNNY WITH A CHANCE OF RAIN SHOWERS, SNOW
SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. HIGHS 54 TO 64.
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
1232 PM MDT WED MAY 20 2026
TONIGHT
CLOUDY. A CHANCE OF RAIN SHOWERS AND A SLIGHT CHANCE
OF THUNDERSTORMS IN THE EVENING...THEN A CHANCE OF RAIN AFTER
MIDNIGHT. LOWS 34 TO 41. WEST WINDS 10 TO 15 MPH...SHIFTING TO
NORTHEAST AFTER MIDNIGHT.
THURSDAY
MOSTLY SUNNY. A CHANCE OF RAIN IN THE MORNING. HIGHS
55 TO 64. NORTH WINDS 10 TO 20 MPH. CHANCE OF PRECIPITATION
50 PERCENT.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 30 TO 38. NORTHEAST WINDS
10 TO 15 MPH.
FRIDAY
MOSTLY SUNNY. WARMER. HIGHS 61 TO 70. EAST WINDS UP TO
10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 35 TO 43. SOUTH WINDS AROUND
10 MPH.
SATURDAY
SUNNY. HIGHS 71 TO 80.
SATURDAY NIGHT THROUGH SUNDAY NIGHT
PARTLY CLOUDY. LOWS 41 TO
51. HIGHS 75 TO 83.
MEMORIAL DAY
SUNNY. HIGHS 77 TO 84.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. BREEZY. LOWS 43 TO 53.
HIGHS 69 TO 77.
TUESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND
A SLIGHT CHANCE OF THUNDERSTORMS. BREEZY. LOWS 36 TO 45.
WEDNESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 62 TO 69.
IDZ051-211000-
SHOSHONE/LAVA BEDS-
INCLUDING SHOSHONE, RICHFIELD, AND CAREY
1232 PM MDT WED MAY 20 2026
TONIGHT...MOSTLY CLOUDY IN THE EVENING
THEN PARTLY CLOUDY WITH
A SLIGHT CHANCE OF RAIN AFTER MIDNIGHT. LOWS 35 TO 42. WEST WINDS
10 TO 20 MPH...SHIFTING TO NORTHEAST AROUND 10 MPH AFTER
MIDNIGHT.
THURSDAY
MOSTLY SUNNY. A CHANCE OF RAIN IN THE MORNING. HIGHS
63 TO 70. NORTHEAST WINDS UP TO 10 MPH...SHIFTING TO NORTHWEST
AROUND 10 MPH IN THE AFTERNOON. CHANCE OF PRECIPITATION
40 PERCENT.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 35 TO 44. NORTHEAST WINDS
10 TO 15 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS 68 TO 75. EAST WINDS AROUND 10 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS 38 TO 45. SOUTHWEST WINDS UP
TO 10 MPH.
SATURDAY THROUGH MEMORIAL DAY
MOSTLY CLEAR. HIGHS 77 TO 87.
LOWS 43 TO 52.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. LOWS 43 TO 50. HIGHS
69 TO 76.
TUESDAY NIGHT AND WEDNESDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF
RAIN. BREEZY. LOWS 35 TO 42. HIGHS 62 TO 69.
IDZ056-057-211000-
SOUTHERN HILLS/ALBION MOUNTAINS-RAFT RIVER REGION-
INCLUDING ALBION, ALMO, MALTA, ROCKLAND,
AND HOLBROOK
1232 PM MDT WED MAY 20 2026
TONIGHT
MOSTLY CLOUDY. A SLIGHT CHANCE OF RAIN AFTER MIDNIGHT.
LOWS 38 TO 47. WEST WINDS 10 TO 15 MPH.
THURSDAY
MOSTLY SUNNY. A CHANCE OF RAIN IN THE MORNING. HIGHS
60 TO 67. NORTH WINDS 10 TO 20 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 35 TO 45. NORTH WINDS
AROUND 10 MPH...SHIFTING TO SOUTHEAST UP TO 10 MPH AFTER
MIDNIGHT.
FRIDAY
MOSTLY SUNNY. WARMER. HIGHS 66 TO 73. SOUTHWEST WINDS
UP TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS 40 TO 50. SOUTH WINDS AROUND
10 MPH.
SATURDAY
SUNNY. HIGHS 75 TO 82.
SATURDAY NIGHT THROUGH SUNDAY NIGHT
PARTLY CLOUDY. LOWS 48 TO
58. HIGHS 77 TO 85.
MEMORIAL DAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 79 TO 87.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. BREEZY. LOWS 46 TO 56.
HIGHS 68 TO 78.
TUESDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN.
BREEZY. LOWS 37 TO 45.
WEDNESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 60 TO 69.
IDZ058-059-211000-
MARSH AND ARBON HIGHLANDS-FRANKLIN/EASTERN ONEIDA REGION-
INCLUDING INKOM, MCCAMMON, DOWNEY,
LAVA HOT SPRINGS, MALAD, PRESTON, AND THATCHER
1232 PM MDT WED MAY 20 2026
TONIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN AFTER MIDNIGHT. LOWS
36 TO 46.
THURSDAY
RAIN SHOWERS LIKELY AND A SLIGHT CHANCE OF
THUNDERSTORMS IN THE MORNING...THEN A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE AFTERNOON. HIGHS 54 TO 64.
THURSDAY NIGHT
PARTLY CLOUDY. COLDER. LOWS 30 TO 40.
FRIDAY
MOSTLY SUNNY. WARMER. HIGHS 60 TO 70.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS 35 TO 45.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLEAR. HIGHS 69 TO 79. LOWS
42 TO 52.
SUNDAY THROUGH MONDAY NIGHT
PARTLY CLOUDY. HIGHS 74 TO 84.
LOWS 44 TO 54.
TUESDAY
MOSTLY SUNNY. BREEZY. HIGHS 68 TO 77.
TUESDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN. LOWS
37 TO 47.
WEDNESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 60 TO 70.
IDZ054-211000-
LOWER SNAKE RIVER PLAIN-
INCLUDING POCATELLO, BLACKFOOT, AMERICAN FALLS,
SHELLEY, AND FORT HALL
1232 PM MDT WED MAY 20 2026
TONIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN AFTER MIDNIGHT. LOWS
37 TO 44. WEST WINDS 10 TO 15 MPH...SHIFTING TO NORTHEAST AFTER
MIDNIGHT.
THURSDAY...MOSTLY CLOUDY WITH A CHANCE OF RAIN IN THE MORNING
THEN MOSTLY SUNNY IN THE AFTERNOON. HIGHS 59 TO 66. NORTH WINDS
10 TO 20 MPH. CHANCE OF PRECIPITATION 50 PERCENT.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 31 TO 39. NORTHEAST WINDS
10 TO 15 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS 64 TO 72. NORTHEAST WINDS UP TO
10 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS 35 TO 44. SOUTH WINDS AROUND
10 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLEAR. HIGHS 72 TO 82. LOWS
42 TO 51.
SUNDAY NIGHT THROUGH MONDAY NIGHT
PARTLY CLOUDY. LOWS 43 TO
53. HIGHS 76 TO 85.
TUESDAY
MOSTLY SUNNY. HIGHS 70 TO 77.
TUESDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN.
BREEZY. LOWS 36 TO 44.
WEDNESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 62 TO 69.
IDZ075-211000-
WOOD RIVER FOOTHILLS-
INCLUDING HAILEY, BELLEVUE, AND PICABO
1232 PM MDT WED MAY 20 2026
TONIGHT
DECREASING CLOUDS. LOWS 34 TO 43. NORTHWEST WINDS
10 TO 20 MPH.
THURSDAY
SUNNY. HIGHS 58 TO 68. NORTH WINDS UP TO 10 MPH.
THURSDAY NIGHT
INCREASING CLOUDS. LOWS 35 TO 43. NORTHEAST
WINDS UP TO 10 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS 62 TO 72. SOUTH WINDS AROUND
10 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS 37 TO 47. NORTHWEST WINDS UP
TO 10 MPH.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLEAR. HIGHS 70 TO 80. LOWS
44 TO 54.
SUNDAY
MOSTLY SUNNY. HIGHS 72 TO 82.
SUNDAY NIGHT AND MEMORIAL DAY
MOSTLY CLEAR. LOWS 43 TO 53.
HIGHS 72 TO 82.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. LOWS 42 TO 52. HIGHS
63 TO 73.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN AND A SLIGHT
CHANCE OF THUNDERSTORMS. LOWS 35 TO 44.
WEDNESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 56 TO 65.
IDZ069-211000-
LOST RIVER RANGE-
INCLUDING BORAH PEAK
1232 PM MDT WED MAY 20 2026
TONIGHT
SNOW SHOWERS LIKELY WITH POSSIBLE SHOWERS AND
THUNDERSTORMS IN THE EVENING...THEN A CHANCE OF SNOW AND RAIN
AFTER MIDNIGHT. SNOW ACCUMULATION UP TO 1 INCH. SNOW LEVEL
8100 FEET. LOWS 34 TO 41.
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 66 TO 76.
SATURDAY NIGHT AND SUNDAY
PARTLY CLOUDY. LOWS 43 TO 50. HIGHS
69 TO 79.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 43 TO 50.
MEMORIAL DAY AND MONDAY NIGHT
PARTLY CLOUDY. BREEZY. HIGHS
70 TO 80. LOWS 44 TO 51.
TUESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF RAIN. WINDY.
HIGHS 62 TO 72.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND
A SLIGHT CHANCE OF THUNDERSTORMS. BREEZY. LOWS 38 TO 45.
WEDNESDAY
PARTLY SUNNY WITH A CHANCE OF RAIN SHOWERS, SNOW
SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. HIGHS 56 TO 66.
IDZ063-064-211000-
CARIBOU RANGE-BIG HOLE MOUNTAINS-
INCLUDING WAYAN, SWAN VALLEY, AND VICTOR
1232 PM MDT WED MAY 20 2026
TONIGHT
A CHANCE OF RAIN SHOWERS AND A SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING...THEN A CHANCE OF RAIN AND SNOW
LIKELY AFTER MIDNIGHT. SNOW ACCUMULATION AROUND 1 INCH. LOWS
33 TO 40.
THURSDAY
RAIN SHOWERS, SNOW SHOWERS LIKELY AND A SLIGHT CHANCE
OF THUNDERSTORMS IN THE MORNING...THEN A CHANCE OF RAIN SHOWERS,
THUNDERSTORMS AND SNOW SHOWERS IN THE AFTERNOON. SNOW
ACCUMULATION AROUND 1 INCH. HIGHS 51 TO 58.
THURSDAY NIGHT
MOSTLY CLEAR. COLDER. LOWS 27 TO 35.
FRIDAY
MOSTLY SUNNY. NOT AS COOL. HIGHS 59 TO 67.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 31 TO 41.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLEAR. HIGHS 67 TO 75. LOWS
37 TO 46.
SUNDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 72 TO 79.
SUNDAY NIGHT THROUGH MONDAY NIGHT
PARTLY CLOUDY. LOWS 39 TO
49. HIGHS 73 TO 82.
TUESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 66 TO 73.
TUESDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS 36 TO 44.
WEDNESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 60 TO 69.
IDZ068-070-211000-
LOST RIVER VALLEY-CHALLIS/PAHSIMEROI VALLEYS-
INCLUDING HOWE, ARCO, MACKAY, CHILLY, AND CHALLIS
1232 PM MDT WED MAY 20 2026
TONIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING...THEN A CHANCE OF RAIN
AND A SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. NO SNOW ACCUMULATION.
LOWS 34 TO 41. NORTHWEST WINDS 10 TO 15 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS 54 TO 64. NORTH WINDS 10 TO
15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 32 TO 39. NORTH WINDS
AROUND 10 MPH IN THE EVENING...BECOMING LIGHT AND VARIABLE.
FRIDAY
MOSTLY SUNNY. WARMER. HIGHS 61 TO 71. SOUTHWEST WINDS
UP TO 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 36 TO 43. LIGHT AND VARIABLE
WINDS.
SATURDAY
SUNNY. HIGHS 69 TO 79.
SATURDAY NIGHT AND SUNDAY
PARTLY CLOUDY. LOWS 41 TO 48. HIGHS
71 TO 81.
SUNDAY NIGHT AND MEMORIAL DAY
MOSTLY CLEAR. LOWS 41 TO 48.
HIGHS 71 TO 81.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 41 TO 49.
TUESDAY
MOSTLY SUNNY WITH A CHANCE OF RAIN SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. BREEZY. HIGHS 64 TO 74.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND
A SLIGHT CHANCE OF THUNDERSTORMS. LOWS 37 TO 44.
WEDNESDAY
PARTLY SUNNY WITH A CHANCE OF RAIN SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. HIGHS 58 TO 68.
IDZ066-067-211000-
CENTENNIAL MOUNTAINS - ISLAND PARK-BEAVERHEAD - LEMHI HIGHLANDS-
INCLUDING ISLAND PARK, KILGORE, DUBOIS, SPENCER,
EDIE SCHOOL, AND SMALL
1232 PM MDT WED MAY 20 2026
TONIGHT
RAIN AND A SLIGHT CHANCE OF THUNDERSTORMS IN THE
EVENING...THEN A CHANCE OF RAIN AND SNOW AFTER MIDNIGHT. SNOW
ACCUMULATION UP TO 2 INCHES. LOWS 30 TO 40.
THURSDAY
MOSTLY SUNNY. A CHANCE OF RAIN AND A SLIGHT CHANCE OF
SNOW IN THE MORNING. LITTLE OR NO SNOW ACCUMULATION. HIGHS 50 TO
58.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 26 TO 36.
FRIDAY
MOSTLY SUNNY. NOT AS COOL. HIGHS 58 TO 65.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 32 TO 42.
SATURDAY
SUNNY. HIGHS 66 TO 74.
SATURDAY NIGHT THROUGH SUNDAY NIGHT
PARTLY CLOUDY. LOWS 37 TO
47. HIGHS 71 TO 78.
MEMORIAL DAY
SUNNY. HIGHS 72 TO 80.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 38 TO 48.
TUESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 65 TO 72.
TUESDAY NIGHT AND WEDNESDAY
MOSTLY CLOUDY. A CHANCE OF RAIN
SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. LOWS 35 TO 43.
HIGHS 59 TO 66.
IDZ065-211000-
TETON VALLEY-
INCLUDING ASHTON, TETONIA, AND DRIGGS
1232 PM MDT WED MAY 20 2026
TONIGHT
CLOUDY. A CHANCE OF RAIN SHOWERS AND A SLIGHT CHANCE
OF THUNDERSTORMS IN THE EVENING...THEN A CHANCE OF RAIN AFTER
MIDNIGHT. LOWS 32 TO 39.
THURSDAY...PARTLY SUNNY. A CHANCE OF RAIN IN THE MORNING
THEN
A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
HIGHS 52 TO 59.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 26 TO 33.
FRIDAY
MOSTLY SUNNY. WARMER. HIGHS AROUND 63.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 33 TO 40.
SATURDAY
SUNNY. HIGHS 68 TO 75.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 40 TO 47.
SUNDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 73 TO 80.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 42 TO 49.
MEMORIAL DAY
SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 74 TO 81.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 43 TO 50.
TUESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS AROUND 71.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND
A SLIGHT CHANCE OF THUNDERSTORMS. LOWS 38 TO 45.
WEDNESDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS AROUND 65.
IDZ062-211000-
BLACKFOOT MOUNTAINS-
INCLUDING GRACE, SODA SPRINGS, HENRY, AND BONE
1232 PM MDT WED MAY 20 2026
TONIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN AFTER MIDNIGHT. LOWS
34 TO 44.
THURSDAY
RAIN SHOWERS LIKELY AND A SLIGHT CHANCE OF
THUNDERSTORMS IN THE MORNING...THEN A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE AFTERNOON. HIGHS 51 TO 59.
THURSDAY NIGHT
MOSTLY CLEAR. COLDER. LOWS 27 TO 37.
FRIDAY
MOSTLY SUNNY. WARMER. HIGHS 57 TO 65.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS 33 TO 43.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLEAR. HIGHS 65 TO 75. LOWS
40 TO 50.
SUNDAY THROUGH MONDAY NIGHT
PARTLY CLOUDY. HIGHS 70 TO 80.
LOWS 42 TO 52.
TUESDAY AND TUESDAY NIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS. BREEZY. HIGHS 64 TO 73. LOWS 36 TO 46.
WEDNESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 59 TO 67.
IDZ060-211000-
BEAR RIVER RANGE-
INCLUDING EMIGRATION SUMMIT
1232 PM MDT WED MAY 20 2026
TONIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN AND SNOW AFTER
MIDNIGHT. LITTLE OR NO SNOW ACCUMULATION. LOWS 42 TO 49.
THURSDAY
RAIN SHOWERS, SNOW SHOWERS AND A SLIGHT CHANCE OF
THUNDERSTORMS IN THE MORNING...THEN SNOW SHOWERS LIKELY, A CHANCE
OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. LITTLE OR NO SNOW
ACCUMULATION. SNOW LEVEL AT RIDGETOP. HIGHS 50 TO 57.
THURSDAY NIGHT
MOSTLY CLEAR. COLDER. LOWS 34 TO 41.
FRIDAY
MOSTLY SUNNY. NOT AS COOL. HIGHS 58 TO 65.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS 40 TO 47.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLEAR. HIGHS 66 TO 73. LOWS
47 TO 55.
SUNDAY
SUNNY. HIGHS 70 TO 77.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 49 TO 57.
MEMORIAL DAY
SUNNY. HIGHS 72 TO 79.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 50 TO 58.
TUESDAY AND TUESDAY NIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS. HIGHS 66 TO 73. LOWS 44 TO 51.
WEDNESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 59 TO 66.
IDZ061-211000-
BEAR LAKE VALLEY-
INCLUDING ST. CHARLES, MONTPELIER, AND GEORGETOWN
1232 PM MDT WED MAY 20 2026
TONIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN AFTER MIDNIGHT. LOWS
32 TO 42.
THURSDAY
RAIN SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS IN
THE MORNING...THEN RAIN SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS 51 TO 58.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 27 TO 37.
FRIDAY
MOSTLY SUNNY. NOT AS COOL. HIGHS 57 TO 64.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS 31 TO 41.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLEAR. HIGHS 64 TO 73. LOWS
37 TO 45.
SUNDAY
SUNNY. HIGHS 68 TO 78.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 39 TO 47.
MEMORIAL DAY
SUNNY. HIGHS 70 TO 80.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 41 TO 49.
TUESDAY AND TUESDAY NIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS. HIGHS 66 TO 73. LOWS 36 TO 45.
WEDNESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 61 TO 68.
IDZ071-074-211000-
FRANK CHURCH WILDERNESS-BIG LOST HIGHLANDS/COPPER BASIN-
INCLUDING CLAYTON AND COPPER BASIN
1232 PM MDT WED MAY 20 2026
TONIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS, SNOW AND A
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING...THEN A CHANCE OF
SNOW AND A SLIGHT CHANCE OF RAIN AFTER MIDNIGHT. LITTLE OR NO
SNOW ACCUMULATION. LOWS 29 TO 38.
THURSDAY
MOSTLY SUNNY. HIGHS 53 TO 63.
THURSDAY NIGHT
INCREASING CLOUDS. LOWS 30 TO 39.
FRIDAY
MOSTLY SUNNY. HIGHS 59 TO 69.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 33 TO 42.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLEAR. HIGHS 66 TO 76. LOWS
39 TO 49.
SUNDAY
MOSTLY SUNNY. HIGHS 67 TO 77.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 38 TO 48.
MEMORIAL DAY AND MONDAY NIGHT
PARTLY CLOUDY. BREEZY. HIGHS
67 TO 77. LOWS 38 TO 48.
TUESDAY
MOSTLY SUNNY WITH A CHANCE OF RAIN SHOWERS, A SLIGHT
CHANCE OF THUNDERSTORMS AND SNOW. HIGHS 59 TO 69.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS,
SNOW AND A SLIGHT CHANCE OF THUNDERSTORMS. LOWS 32 TO 42.
WEDNESDAY
PARTLY SUNNY WITH A CHANCE OF RAIN SHOWERS, SNOW
SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. HIGHS 55 TO 65.
IDZ055-211000-
EASTERN MAGIC VALLEY-
INCLUDING BURLEY, RUPERT, HEYBURN, AND OAKLEY
1232 PM MDT WED MAY 20 2026
TONIGHT
MOSTLY CLOUDY. A SLIGHT CHANCE OF RAIN AFTER MIDNIGHT.
LOWS 38 TO 47. WEST WINDS 10 TO 15 MPH...SHIFTING TO NORTH AFTER
MIDNIGHT.
THURSDAY
PARTLY SUNNY. A CHANCE OF RAIN IN THE MORNING. HIGHS
62 TO 69. NORTHEAST WINDS UP TO 10 MPH...SHIFTING TO NORTH IN THE
AFTERNOON. CHANCE OF PRECIPITATION 50 PERCENT.
THURSDAY NIGHT
DECREASING CLOUDS. LOWS 35 TO 45. NORTHEAST
WINDS AROUND 10 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS 68 TO 75. EAST WINDS UP TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS 39 TO 49. SOUTH WINDS AROUND
10 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLEAR. HIGHS 77 TO 86. LOWS
46 TO 56.
SUNDAY NIGHT THROUGH MONDAY NIGHT
PARTLY CLOUDY. LOWS 46 TO
56. HIGHS 80 TO 87.
TUESDAY
SUNNY. HIGHS 71 TO 78.
TUESDAY NIGHT AND WEDNESDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF
RAIN. BREEZY. LOWS 37 TO 45. HIGHS 63 TO 70.
WEATHER INFORMATION ON-LINE 24-HOURS A DAY
WWW.WEATHER.GOV/POCATELLO
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