669
FPUS55 KPIH 191822
ZFPPIH
ZONE FORECAST PRODUCT FOR IDAHO
NATIONAL WEATHER SERVICE POCATELLO ID
1222 PM MDT TUE MAY 19 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.
IDZ072-201000-
SAWTOOTH/STANLEY BASIN-
INCLUDING STANLEY
1222 PM MDT TUE MAY 19 2026
TONIGHT
PARTLY CLOUDY. LOWS 26 TO 36.
WEDNESDAY
PARTLY SUNNY. HIGHS 54 TO 64.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH ISOLATED RAIN SHOWERS IN
THE EVENING...THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS 28 TO 38.
THURSDAY
MOSTLY SUNNY. HIGHS 59 TO 69.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 31 TO 41.
FRIDAY
MOSTLY SUNNY. HIGHS 62 TO 72.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLEAR. LOWS 32 TO 42. HIGHS
66 TO 76.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 34 TO 44.
SUNDAY
SUNNY. HIGHS 68 TO 78.
SUNDAY NIGHT THROUGH MONDAY NIGHT
PARTLY CLOUDY. LOWS 34 TO
44. HIGHS 65 TO 75.
TUESDAY
SUNNY. HIGHS 60 TO 70.
IDZ073-201000-
SUN VALLEY REGION-
INCLUDING KETCHUM, SUN VALLEY, AND GALENA
1222 PM MDT TUE MAY 19 2026
TONIGHT
PARTLY CLOUDY. LOWS 28 TO 37.
WEDNESDAY
PARTLY SUNNY. HIGHS 56 TO 66.
WEDNESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN CLEARING.
LOWS 30 TO 40.
THURSDAY
MOSTLY SUNNY. HIGHS 60 TO 70.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 33 TO 43.
FRIDAY
MOSTLY SUNNY. HIGHS 62 TO 72.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLEAR. LOWS 34 TO 44. HIGHS
67 TO 77.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 36 TO 46.
SUNDAY THROUGH MEMORIAL DAY
MOSTLY CLEAR. HIGHS 69 TO 79. LOWS
38 TO 48.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 35 TO 45.
TUESDAY
SUNNY. HIGHS 63 TO 73.
IDZ053-201000-
UPPER SNAKE RIVER PLAIN-
INCLUDING IDAHO FALLS, REXBURG, AND ST. ANTHONY
1222 PM MDT TUE MAY 19 2026
..FROST ADVISORY IN EFFECT FROM 3 AM TO 9 AM MDT WEDNESDAY
TONIGHT
PARTLY CLOUDY. LOWS 32 TO 39. SOUTH WINDS 10 TO
15 MPH.
WEDNESDAY
PARTLY SUNNY. SCATTERED RAIN SHOWERS IN THE
AFTERNOON. HIGHS 60 TO 68. SOUTH WINDS UP TO 10 MPH...SHIFTING TO
SOUTHWEST IN THE AFTERNOON. CHANCE OF PRECIPITATION 50 PERCENT.
WEDNESDAY NIGHT...SCATTERED RAIN SHOWERS IN THE EVENING
THEN
NUMEROUS RAIN SHOWERS AFTER MIDNIGHT. LOWS 35 TO 44. SOUTHWEST
WINDS 10 TO 15 MPH...SHIFTING TO NORTHEAST AFTER MIDNIGHT. CHANCE
OF PRECIPITATION 70 PERCENT.
THURSDAY
PARTLY SUNNY WITH SCATTERED RAIN SHOWERS AND ISOLATED
THUNDERSTORMS. HIGHS 58 TO 66. NORTH WINDS 10 TO 15 MPH. CHANCE
OF PRECIPITATION 50 PERCENT.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 33 TO 41. NORTHEAST WINDS
10 TO 15 MPH.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. HIGHS 63 TO 71. LOWS
36 TO 44.
SATURDAY
SUNNY. HIGHS 70 TO 78.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 39 TO 49.
SUNDAY
SUNNY. HIGHS 74 TO 81.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 41 TO 51.
MEMORIAL DAY
SUNNY, BREEZY. HIGHS 75 TO 82.
MONDAY NIGHT
PARTLY CLOUDY. BREEZY. LOWS 40 TO 49.
TUESDAY
SUNNY. HIGHS 68 TO 75.
IDZ052-201000-
ARCO/MUD LAKE DESERT-
INCLUDING MUD LAKE, INL, AND CRATERS OF THE MOON NM
1222 PM MDT TUE MAY 19 2026
..FREEZE WARNING IN EFFECT FROM 3 AM TO 9 AM MDT WEDNESDAY
TONIGHT
PARTLY CLOUDY. LOWS 30 TO 37. SOUTHWEST WINDS 10 TO
15 MPH.
WEDNESDAY
PARTLY SUNNY. ISOLATED RAIN SHOWERS IN THE
AFTERNOON. HIGHS 63 TO 70. SOUTHWEST WINDS UP TO 10 MPH...
INCREASING TO 10 TO 15 MPH IN THE AFTERNOON. CHANCE OF
PRECIPITATION 20 PERCENT.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SCATTERED RAIN SHOWERS.
LOWS 35 TO 42. WEST WINDS 10 TO 15 MPH...SHIFTING TO NORTHEAST
AFTER MIDNIGHT. CHANCE OF PRECIPITATION 50 PERCENT.
THURSDAY
MOSTLY SUNNY WITH SCATTERED RAIN SHOWERS. HIGHS 62 TO
69. NORTH WINDS 10 TO 15 MPH. CHANCE OF PRECIPITATION 40 PERCENT.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 34 TO 42. NORTHEAST WINDS
10 TO 15 MPH.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. HIGHS 67 TO 74. LOWS
36 TO 44.
SATURDAY
SUNNY. HIGHS 74 TO 81.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 39 TO 47.
SUNDAY
SUNNY. HIGHS 77 TO 84.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 42 TO 49.
MEMORIAL DAY
SUNNY. HIGHS 77 TO 84.
MONDAY NIGHT
PARTLY CLOUDY. BREEZY. LOWS 39 TO 46.
TUESDAY
SUNNY. HIGHS 70 TO 77.
IDZ051-201000-
SHOSHONE/LAVA BEDS-
INCLUDING SHOSHONE, RICHFIELD, AND CAREY
1222 PM MDT TUE MAY 19 2026
..FROST ADVISORY IN EFFECT FROM 3 AM TO 9 AM MDT WEDNESDAY
TONIGHT
MOSTLY CLEAR. LOWS 32 TO 39. WEST WINDS 10 TO 15 MPH
IN THE EVENING...BECOMING LIGHT AND VARIABLE.
WEDNESDAY
INCREASING CLOUDS. HIGHS 65 TO 72. LIGHT AND
VARIABLE WINDS...BECOMING WEST 10 TO 15 MPH WITH GUSTS TO AROUND
25 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT...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 NORTHWEST AROUND 10 MPH
AFTER MIDNIGHT. CHANCE OF PRECIPITATION 20 PERCENT.
THURSDAY
MOSTLY SUNNY WITH ISOLATED RAIN SHOWERS. HIGHS 65 TO
72. NORTH WINDS UP TO 10 MPH. CHANCE OF PRECIPITATION 20 PERCENT.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 37 TO 45. EAST WINDS AROUND
10 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS 70 TO 77.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLEAR. LOWS 38 TO 46. HIGHS
76 TO 83.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 41 TO 49.
SUNDAY THROUGH MEMORIAL DAY
MOSTLY CLEAR. HIGHS 77 TO 85. LOWS
43 TO 51.
MONDAY NIGHT
PARTLY CLOUDY. BREEZY. LOWS 39 TO 46.
TUESDAY
SUNNY, BREEZY. HIGHS 70 TO 77.
IDZ056-057-201000-
SOUTHERN HILLS/ALBION MOUNTAINS-RAFT RIVER REGION-
INCLUDING ALBION, ALMO, MALTA, ROCKLAND,
AND HOLBROOK
1222 PM MDT TUE MAY 19 2026
TONIGHT
PARTLY CLOUDY. LOWS 33 TO 43. WEST WINDS AROUND
10 MPH...SHIFTING TO SOUTHWEST UP TO 10 MPH AFTER MIDNIGHT.
WEDNESDAY
PARTLY SUNNY. HIGHS 64 TO 71. SOUTHWEST WINDS UP TO
10 MPH...SHIFTING TO WEST IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLOUDY. ISOLATED RAIN SHOWERS AFTER
MIDNIGHT. LOWS 39 TO 49. WEST WINDS 10 TO 15 MPH.
THURSDAY
MOSTLY SUNNY WITH SCATTERED RAIN SHOWERS. HIGHS 63 TO
71. NORTHWEST WINDS 10 TO 15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 39 TO 49. NORTHWEST WINDS
AROUND 10 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS 68 TO 75.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLEAR. LOWS 41 TO 51. HIGHS
74 TO 81.
SATURDAY NIGHT THROUGH SUNDAY NIGHT
PARTLY CLOUDY. LOWS 46 TO
56. HIGHS 77 TO 85.
MEMORIAL DAY
SUNNY. HIGHS 77 TO 86.
MONDAY NIGHT
PARTLY CLOUDY. BREEZY. LOWS 42 TO 52.
TUESDAY
SUNNY. HIGHS 68 TO 77.
IDZ058-059-201000-
MARSH AND ARBON HIGHLANDS-FRANKLIN/EASTERN ONEIDA REGION-
INCLUDING INKOM, MCCAMMON, DOWNEY,
LAVA HOT SPRINGS, MALAD, PRESTON, AND THATCHER
1222 PM MDT TUE MAY 19 2026
TONIGHT
PARTLY CLOUDY. LOWS 30 TO 40.
WEDNESDAY
PARTLY SUNNY. HIGHS 59 TO 69.
WEDNESDAY NIGHT
MOSTLY CLOUDY. ISOLATED RAIN SHOWERS AFTER
MIDNIGHT. LOWS 37 TO 47.
THURSDAY
PARTLY SUNNY WITH SCATTERED RAIN SHOWERS AND ISOLATED
THUNDERSTORMS. HIGHS 57 TO 67.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 34 TO 44.
FRIDAY
MOSTLY SUNNY. HIGHS 63 TO 73.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLEAR. LOWS 36 TO 46. HIGHS
68 TO 78.
SATURDAY NIGHT AND SUNDAY
PARTLY CLOUDY. LOWS 41 TO 51. HIGHS
72 TO 82.
SUNDAY NIGHT AND MEMORIAL DAY
MOSTLY CLEAR. LOWS 43 TO 53.
HIGHS 73 TO 83.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 41 TO 51.
TUESDAY
SUNNY. HIGHS 67 TO 77.
IDZ054-201000-
LOWER SNAKE RIVER PLAIN-
INCLUDING POCATELLO, BLACKFOOT, AMERICAN FALLS,
SHELLEY, AND FORT HALL
1222 PM MDT TUE MAY 19 2026
..FROST ADVISORY IN EFFECT FROM 3 AM TO 9 AM MDT WEDNESDAY
TONIGHT
MOSTLY CLEAR. LOWS 30 TO 39. SOUTHWEST WINDS 10 TO
15 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS 63 TO 70. SOUTHWEST WINDS 10 TO
15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. SCATTERED RAIN SHOWERS AFTER
MIDNIGHT. LOWS 37 TO 45. SOUTHWEST WINDS 10 TO 15 MPH...SHIFTING
TO NORTH AFTER MIDNIGHT. CHANCE OF PRECIPITATION 50 PERCENT.
THURSDAY
PARTLY SUNNY WITH SCATTERED RAIN SHOWERS. HIGHS 61 TO
69. NORTH WINDS 10 TO 15 MPH. CHANCE OF PRECIPITATION 40 PERCENT.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 35 TO 43. NORTHEAST WINDS
AROUND 10 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS 66 TO 74.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLEAR. LOWS 36 TO 46. HIGHS
73 TO 80.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 40 TO 50.
SUNDAY
SUNNY. HIGHS 75 TO 83.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 42 TO 52.
MEMORIAL DAY
SUNNY. HIGHS 75 TO 83.
MONDAY NIGHT
PARTLY CLOUDY. BREEZY. LOWS 40 TO 49.
TUESDAY
SUNNY. HIGHS 69 TO 76.
IDZ075-201000-
WOOD RIVER FOOTHILLS-
INCLUDING HAILEY, BELLEVUE, AND PICABO
1222 PM MDT TUE MAY 19 2026
TONIGHT
PARTLY CLOUDY. LOWS 31 TO 39. WEST WINDS 10 TO
15 MPH...SHIFTING TO NORTH AFTER MIDNIGHT.
WEDNESDAY
INCREASING CLOUDS. HIGHS 58 TO 68. NORTHWEST WINDS
UP TO 10 MPH...SHIFTING TO WEST WITH GUSTS TO AROUND 25 MPH IN
THE AFTERNOON.
WEDNESDAY NIGHT...MOSTLY CLOUDY IN THE EVENING
THEN MOSTLY
CLEAR WITH ISOLATED RAIN SHOWERS AFTER MIDNIGHT. LOWS 35 TO 44.
WEST WINDS 10 TO 20 MPH...SHIFTING TO NORTH 10 TO 15 MPH AFTER
MIDNIGHT.
THURSDAY
MOSTLY SUNNY WITH ISOLATED RAIN SHOWERS. HIGHS 61 TO
71. NORTHWEST WINDS AROUND 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 37 TO 46. NORTHEAST WINDS
AROUND 10 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS 63 TO 73.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLEAR. LOWS 37 TO 47. HIGHS
69 TO 79.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 41 TO 51.
SUNDAY
SUNNY. HIGHS 72 TO 82.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 42 TO 52.
MEMORIAL DAY
SUNNY. HIGHS 70 TO 80.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 39 TO 49.
TUESDAY
SUNNY. HIGHS 64 TO 74.
IDZ069-201000-
LOST RIVER RANGE-
INCLUDING BORAH PEAK
1222 PM MDT TUE MAY 19 2026
TONIGHT
MOSTLY CLOUDY WITH ISOLATED RAIN SHOWERS AND SNOW
SHOWERS IN THE EVENING...THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS
32 TO 39.
WEDNESDAY...MOSTLY SUNNY IN THE MORNING
THEN MOSTLY CLOUDY
WITH SCATTERED RAIN SHOWERS AND ISOLATED SNOW SHOWERS IN THE
AFTERNOON. LITTLE OR NO SNOW ACCUMULATION. HIGHS 54 TO 64.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH SCATTERED RAIN SHOWERS AND
SNOW SHOWERS. LITTLE OR NO SNOW ACCUMULATION. LOWS 36 TO 43.
THURSDAY
MOSTLY SUNNY WITH SCATTERED SNOW SHOWERS. HIGHS 55 TO
65.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 36 TO 43.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. HIGHS 59 TO 69. LOWS
39 TO 46.
SATURDAY
SUNNY. HIGHS 66 TO 76.
SATURDAY NIGHT THROUGH SUNDAY NIGHT
PARTLY CLOUDY. LOWS 41 TO
51. HIGHS 69 TO 79.
MEMORIAL DAY
SUNNY, WINDY. HIGHS 69 TO 79.
MONDAY NIGHT
PARTLY CLOUDY. WINDY. LOWS 41 TO 48.
TUESDAY
SUNNY. HIGHS 62 TO 72.
IDZ063-064-201000-
CARIBOU RANGE-BIG HOLE MOUNTAINS-
INCLUDING WAYAN, SWAN VALLEY, AND VICTOR
1222 PM MDT TUE MAY 19 2026
TONIGHT
MOSTLY CLEAR. LOWS 27 TO 36.
WEDNESDAY
PARTLY SUNNY. ISOLATED SHOWERS AND THUNDERSTORMS IN
THE AFTERNOON. HIGHS 57 TO 64.
WEDNESDAY NIGHT
MOSTLY CLOUDY. ISOLATED SHOWERS AND
THUNDERSTORMS IN THE EVENING...THEN SCATTERED RAIN SHOWERS AND
SNOW SHOWERS AFTER MIDNIGHT. LITTLE OR NO SNOW ACCUMULATION. LOWS
34 TO 41.
THURSDAY
NUMEROUS RAIN SHOWERS, ISOLATED THUNDERSTORMS AND
SNOW SHOWERS. HIGHS 55 TO 62.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 30 TO 39.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. HIGHS 61 TO 68. LOWS
33 TO 41.
SATURDAY
SUNNY. HIGHS 67 TO 74.
SATURDAY NIGHT THROUGH SUNDAY NIGHT
PARTLY CLOUDY. LOWS 37 TO
47. HIGHS 71 TO 79.
MEMORIAL DAY
SUNNY. HIGHS 72 TO 82.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 38 TO 46.
TUESDAY
SUNNY. HIGHS 66 TO 75.
IDZ068-070-201000-
LOST RIVER VALLEY-CHALLIS/PAHSIMEROI VALLEYS-
INCLUDING HOWE, ARCO, MACKAY, CHILLY, AND CHALLIS
1222 PM MDT TUE MAY 19 2026
TONIGHT
MOSTLY CLOUDY WITH ISOLATED RAIN SHOWERS IN THE
EVENING...THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS 31 TO 38. WEST
WINDS AROUND 10 MPH IN THE EVENING...BECOMING LIGHT AND VARIABLE.
WEDNESDAY...MOSTLY SUNNY IN THE MORNING
THEN MOSTLY CLOUDY
WITH ISOLATED RAIN SHOWERS IN THE AFTERNOON. HIGHS 57 TO 67.
LIGHT AND VARIABLE WINDS...BECOMING WEST AROUND 10 MPH IN THE
AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLOUDY. SCATTERED RAIN SHOWERS IN THE
EVENING...THEN SCATTERED RAIN SHOWERS AND SNOW SHOWERS AFTER
MIDNIGHT. LITTLE OR NO SNOW ACCUMULATION. LOWS 35 TO 42.
NORTHWEST WINDS 10 TO 15 MPH.
THURSDAY
MOSTLY SUNNY WITH ISOLATED RAIN SHOWERS AND SNOW
SHOWERS. HIGHS 58 TO 68. NORTH WINDS 10 TO 15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 35 TO 42. NORTH WINDS UP TO
10 MPH.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. HIGHS 63 TO 73. LOWS
37 TO 44.
SATURDAY
SUNNY. HIGHS 68 TO 78.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 39 TO 46.
SUNDAY
SUNNY. HIGHS 71 TO 81.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 41 TO 49.
MEMORIAL DAY
SUNNY, BREEZY. HIGHS 71 TO 81.
MONDAY NIGHT
PARTLY CLOUDY. BREEZY. LOWS 39 TO 46.
TUESDAY
SUNNY. HIGHS 65 TO 75.
IDZ066-067-201000-
CENTENNIAL MOUNTAINS - ISLAND PARK-BEAVERHEAD - LEMHI HIGHLANDS-
INCLUDING ISLAND PARK, KILGORE, DUBOIS, SPENCER,
EDIE SCHOOL, AND SMALL
1222 PM MDT TUE MAY 19 2026
TONIGHT
MOSTLY CLOUDY WITH ISOLATED RAIN SHOWERS AND SNOW
SHOWERS IN THE EVENING...THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS
28 TO 38.
WEDNESDAY...MOSTLY SUNNY IN THE MORNING
THEN MOSTLY CLOUDY
WITH SCATTERED RAIN SHOWERS, ISOLATED THUNDERSTORMS AND SNOW
SHOWERS IN THE AFTERNOON. LITTLE OR NO SNOW ACCUMULATION. HIGHS
56 TO 63.
WEDNESDAY NIGHT
SCATTERED RAIN SHOWERS AND ISOLATED
THUNDERSTORMS IN THE EVENING...THEN NUMEROUS RAIN SHOWERS AND
SCATTERED SNOW SHOWERS AFTER MIDNIGHT. SNOW ACCUMULATION UP TO
1 INCH. LOWS 31 TO 41.
THURSDAY
MOSTLY SUNNY WITH SCATTERED RAIN SHOWERS, ISOLATED
THUNDERSTORMS AND SNOW SHOWERS. HIGHS 54 TO 62.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 30 TO 40.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. HIGHS 60 TO 67. LOWS
32 TO 42.
SATURDAY
SUNNY. HIGHS 66 TO 74.
SATURDAY NIGHT THROUGH SUNDAY NIGHT
PARTLY CLOUDY. LOWS 36 TO
46. HIGHS 71 TO 78.
MEMORIAL DAY
SUNNY. HIGHS 71 TO 79.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 36 TO 45.
TUESDAY
SUNNY. HIGHS 65 TO 72.
IDZ065-201000-
TETON VALLEY-
INCLUDING ASHTON, TETONIA, AND DRIGGS
1222 PM MDT TUE MAY 19 2026
TONIGHT
PARTLY CLOUDY. LOWS 29 TO 36.
WEDNESDAY
PARTLY SUNNY. SCATTERED RAIN SHOWERS AND ISOLATED
THUNDERSTORMS IN THE AFTERNOON. HIGHS 59 TO 66.
WEDNESDAY NIGHT
SCATTERED RAIN SHOWERS AND ISOLATED
THUNDERSTORMS IN THE EVENING...THEN NUMEROUS RAIN SHOWERS AFTER
MIDNIGHT. LOWS 34 TO 41.
THURSDAY
PARTLY SUNNY WITH SCATTERED RAIN SHOWERS AND ISOLATED
THUNDERSTORMS. HIGHS 56 TO 63.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 31 TO 38.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. HIGHS 62 TO 69. LOWS
35 TO 42.
SATURDAY
SUNNY. HIGHS 68 TO 75.
SATURDAY NIGHT THROUGH SUNDAY NIGHT
PARTLY CLOUDY. LOWS 39 TO
48. HIGHS 72 TO 79.
MEMORIAL DAY
SUNNY. HIGHS 74 TO 81.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 40 TO 47.
TUESDAY
SUNNY. HIGHS AROUND 71.
IDZ062-201000-
BLACKFOOT MOUNTAINS-
INCLUDING GRACE, SODA SPRINGS, HENRY, AND BONE
1222 PM MDT TUE MAY 19 2026
TONIGHT
MOSTLY CLEAR. LOWS 28 TO 38.
WEDNESDAY
MOSTLY SUNNY. HIGHS 56 TO 64.
WEDNESDAY NIGHT
MOSTLY CLOUDY. ISOLATED RAIN SHOWERS IN THE
EVENING...THEN SCATTERED RAIN SHOWERS AND ISOLATED SNOW SHOWERS
AFTER MIDNIGHT. NO SNOW ACCUMULATION. LOWS 34 TO 44.
THURSDAY
PARTLY SUNNY WITH SCATTERED RAIN SHOWERS AND ISOLATED
THUNDERSTORMS. HIGHS 54 TO 62.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 31 TO 41.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. HIGHS 59 TO 68. LOWS
35 TO 45.
SATURDAY
SUNNY. HIGHS 65 TO 74.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 39 TO 49.
SUNDAY THROUGH MEMORIAL DAY
MOSTLY CLEAR. HIGHS 69 TO 79. LOWS
41 TO 51.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 40 TO 50.
TUESDAY
SUNNY. HIGHS 63 TO 73.
IDZ060-201000-
BEAR RIVER RANGE-
INCLUDING EMIGRATION SUMMIT
1222 PM MDT TUE MAY 19 2026
TONIGHT
MOSTLY CLEAR. LOWS 34 TO 41.
WEDNESDAY
MOSTLY SUNNY. HIGHS 56 TO 63.
WEDNESDAY NIGHT
MOSTLY CLOUDY. ISOLATED RAIN SHOWERS AND SNOW
SHOWERS AFTER MIDNIGHT. LOWS 42 TO 49.
THURSDAY
NUMEROUS RAIN SHOWERS, SNOW SHOWERS AND SCATTERED
THUNDERSTORMS. HIGHS 54 TO 61.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 38 TO 45.
FRIDAY
MOSTLY SUNNY. HIGHS 59 TO 66.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLEAR. LOWS 41 TO 48. HIGHS
65 TO 72.
SATURDAY NIGHT AND SUNDAY
PARTLY CLOUDY. LOWS 46 TO 53. HIGHS
70 TO 77.
SUNDAY NIGHT THROUGH MONDAY NIGHT
MOSTLY CLEAR. LOWS 48 TO 56.
HIGHS 71 TO 78.
TUESDAY
SUNNY. HIGHS 66 TO 73.
IDZ061-201000-
BEAR LAKE VALLEY-
INCLUDING ST. CHARLES, MONTPELIER, AND GEORGETOWN
1222 PM MDT TUE MAY 19 2026
TONIGHT
MOSTLY CLEAR. LOWS 26 TO 35.
WEDNESDAY
PARTLY SUNNY. HIGHS 57 TO 64.
WEDNESDAY NIGHT
MOSTLY CLOUDY. ISOLATED RAIN SHOWERS AFTER
MIDNIGHT. LOWS 32 TO 41.
THURSDAY
NUMEROUS RAIN SHOWERS WITH POSSIBLE THUNDERSTORMS AND
SNOW SHOWERS. HIGHS 55 TO 62.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 30 TO 39.
FRIDAY
MOSTLY SUNNY. HIGHS 59 TO 66.
FRIDAY NIGHT THROUGH SATURDAY NIGHT
MOSTLY CLEAR. LOWS 34 TO
44. HIGHS 65 TO 73.
SUNDAY THROUGH TUESDAY
MOSTLY CLEAR. HIGHS 68 TO 78. LOWS
38 TO 47.
IDZ071-074-201000-
FRANK CHURCH WILDERNESS-BIG LOST HIGHLANDS/COPPER BASIN-
INCLUDING CLAYTON AND COPPER BASIN
1222 PM MDT TUE MAY 19 2026
TONIGHT
MOSTLY CLOUDY WITH ISOLATED SNOW SHOWERS IN THE
EVENING...THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS 27 TO 36.
WEDNESDAY
PARTLY SUNNY. HIGHS 54 TO 64.
WEDNESDAY NIGHT
DECREASING CLOUDS. SCATTERED SNOW SHOWERS AND
ISOLATED RAIN SHOWERS. LOWS 30 TO 40.
THURSDAY
MOSTLY SUNNY WITH ISOLATED SNOW SHOWERS. HIGHS 58 TO
68.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 32 TO 42.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. HIGHS 61 TO 71. LOWS
33 TO 43.
SATURDAY
SUNNY. HIGHS 65 TO 75.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 36 TO 46.
SUNDAY
SUNNY. HIGHS 67 TO 77.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 38 TO 48.
MEMORIAL DAY
SUNNY, BREEZY. HIGHS 66 TO 76.
MONDAY NIGHT
PARTLY CLOUDY. BREEZY. LOWS 35 TO 45.
TUESDAY
SUNNY. HIGHS 61 TO 71.
IDZ055-201000-
EASTERN MAGIC VALLEY-
INCLUDING BURLEY, RUPERT, HEYBURN, AND OAKLEY
1222 PM MDT TUE MAY 19 2026
..FROST ADVISORY IN EFFECT FROM 3 AM TO 9 AM MDT WEDNESDAY
TONIGHT...MOSTLY CLEAR. LOWS 33 TO 43. WEST WINDS 10 TO 15 MPH
SHIFTING TO SOUTHWEST AFTER MIDNIGHT.
WEDNESDAY
PARTLY SUNNY. HIGHS 66 TO 73. LIGHT AND VARIABLE
WINDS...BECOMING WEST 10 TO 15 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLOUDY. ISOLATED RAIN SHOWERS AFTER
MIDNIGHT. LOWS 39 TO 48. WEST WINDS 10 TO 15 MPH. CHANCE OF
PRECIPITATION 20 PERCENT.
THURSDAY
MOSTLY SUNNY WITH SCATTERED RAIN SHOWERS. HIGHS 65 TO
72. NORTH WINDS AROUND 10 MPH. CHANCE OF PRECIPITATION
40 PERCENT.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 38 TO 48. NORTHEAST WINDS
AROUND 10 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS 69 TO 76.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLEAR. LOWS 41 TO 51. HIGHS
76 TO 83.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 44 TO 54.
SUNDAY THROUGH MEMORIAL DAY
MOSTLY CLEAR. HIGHS 78 TO 85. LOWS
46 TO 56.
MONDAY NIGHT AND TUESDAY
MOSTLY CLEAR. BREEZY. LOWS 41 TO 51.
HIGHS 70 TO 77.
WEATHER INFORMATION ON-LINE 24-HOURS A DAY
WWW.WEATHER.GOV/POCATELLO
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page