465  
FPUS55 KPIH 231832  
ZFPPIH  
 
ZONE FORECAST PRODUCT FOR IDAHO  
NATIONAL WEATHER SERVICE POCATELLO ID  
1231 PM MDT SAT MAY 23 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.  
 
IDZ072-241000-  
SAWTOOTH/STANLEY BASIN-  
INCLUDING STANLEY  
1231 PM MDT SAT MAY 23 2026  
   
TONIGHT
 
MOSTLY CLEAR. LOWS 34 TO 44.    
SUNDAY
 
SUNNY. HIGHS 67 TO 77.    
SUNDAY NIGHT
 
MOSTLY CLEAR. LOWS 36 TO 46.    
MEMORIAL DAY
 
SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS 71 TO 81.    
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS 39 TO 49.    
TUESDAY
 
PARTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS 60 TO 70.    
TUESDAY NIGHT
 
RAIN SHOWERS LIKELY AND A SLIGHT CHANCE OF  
THUNDERSTORMS. LOWS 33 TO 42.    
WEDNESDAY
 
RAIN SHOWERS LIKELY WITH POSSIBLE SNOW AND  
THUNDERSTORMS. HIGHS 58 TO 68.    
WEDNESDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS  
AND A SLIGHT CHANCE OF THUNDERSTORMS. LOWS 34 TO 43.    
THURSDAY
 
RAIN SHOWERS LIKELY AND A SLIGHT CHANCE OF  
THUNDERSTORMS. HIGHS 62 TO 72.    
THURSDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND  
A SLIGHT CHANCE OF THUNDERSTORMS. LOWS 34 TO 44.    
FRIDAY
 
RAIN SHOWERS LIKELY AND A SLIGHT CHANCE OF  
THUNDERSTORMS. HIGHS 57 TO 67.    
FRIDAY NIGHT
 
PARTLY CLOUDY WITH A CHANCE OF RAIN. LOWS 34 TO  
44.    
SATURDAY
 
PARTLY SUNNY WITH A CHANCE OF RAIN. HIGHS 58 TO 68.  
 

 
 
IDZ073-241000-  
SUN VALLEY REGION-  
INCLUDING KETCHUM, SUN VALLEY, AND GALENA  
1231 PM MDT SAT MAY 23 2026  
   
TONIGHT
 
PARTLY CLOUDY. LOWS 38 TO 48.    
SUNDAY
 
SUNNY. HIGHS 69 TO 79.    
SUNDAY NIGHT
 
MOSTLY CLEAR. LOWS 39 TO 49.    
MEMORIAL DAY
 
MOSTLY SUNNY. HIGHS 72 TO 82.    
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS 41 TO 51.    
TUESDAY
 
MOSTLY SUNNY. HIGHS 63 TO 73.    
TUESDAY NIGHT
 
RAIN SHOWERS LIKELY AND A CHANCE OF  
THUNDERSTORMS. LOWS 35 TO 44.    
WEDNESDAY
 
PARTLY SUNNY WITH A CHANCE OF RAIN SHOWERS AND A  
SLIGHT CHANCE OF THUNDERSTORMS. HIGHS 60 TO 70.    
WEDNESDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS  
AND A SLIGHT CHANCE OF THUNDERSTORMS. LOWS 35 TO 45.    
THURSDAY
 
PARTLY SUNNY WITH A CHANCE OF RAIN SHOWERS AND A  
SLIGHT CHANCE OF THUNDERSTORMS. HIGHS 63 TO 73.    
THURSDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND  
A SLIGHT CHANCE OF THUNDERSTORMS. LOWS 35 TO 45.    
FRIDAY
 
PARTLY SUNNY WITH A CHANCE OF RAIN SHOWERS AND A SLIGHT  
CHANCE OF THUNDERSTORMS. HIGHS 56 TO 66.    
FRIDAY NIGHT
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN. LOWS  
34 TO 44.    
SATURDAY
 
PARTLY SUNNY WITH A CHANCE OF RAIN SHOWERS AND A  
SLIGHT CHANCE OF THUNDERSTORMS. HIGHS 60 TO 69.  
 

 
 
IDZ052-053-241000-  
ARCO/MUD LAKE DESERT-UPPER SNAKE RIVER PLAIN-  
INCLUDING MUD LAKE, INL, CRATERS OF THE MOON NM,  
IDAHO FALLS, REXBURG, AND ST. ANTHONY  
1231 PM MDT SAT MAY 23 2026  
   
TONIGHT
 
MOSTLY CLOUDY. LOWS 40 TO 50. SOUTHWEST WINDS 10 TO  
15 MPH.    
SUNDAY...SUNNY. HIGHS 75 TO 83. SOUTH WINDS UP TO 10 MPH
 
 
INCREASING TO SOUTHWEST 10 TO 20 MPH IN THE AFTERNOON.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS 41 TO 51. SOUTH WINDS 10 TO  
15 MPH.    
MEMORIAL DAY
 
SUNNY. HIGHS 78 TO 86. EAST WINDS AROUND 10 MPH.    
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS 45 TO 55. SOUTHEAST WINDS  
10 TO 15 MPH.    
TUESDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS 72 TO 79.    
TUESDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND  
A SLIGHT CHANCE OF THUNDERSTORMS. LOWS 39 TO 47.    
WEDNESDAY
 
PARTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS 67 TO 74.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS  
AND A SLIGHT CHANCE OF THUNDERSTORMS. LOWS 40 TO 47.    
THURSDAY
 
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS 72 TO 79.    
THURSDAY NIGHT
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN.  
LOWS 40 TO 48.    
FRIDAY
 
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS 65 TO 72.    
FRIDAY NIGHT
 
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS 39 TO 47.    
SATURDAY
 
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS 64 TO 73.  
 

 
 
IDZ051-241000-  
SHOSHONE/LAVA BEDS-  
INCLUDING SHOSHONE, RICHFIELD, AND CAREY  
1231 PM MDT SAT MAY 23 2026  
   
TONIGHT
 
MOSTLY CLOUDY. LOWS 43 TO 52. WEST WINDS 10 TO  
15 MPH...SHIFTING TO NORTH AFTER MIDNIGHT.    
SUNDAY
 
PARTLY SUNNY IN THE MORNING THEN CLEARING. HIGHS 79 TO  
86. SOUTHWEST WINDS UP TO 10 MPH...INCREASING TO WEST 10 TO  
20 MPH IN THE AFTERNOON.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS 43 TO 52. WEST WINDS 10 TO  
15 MPH...SHIFTING TO NORTHEAST AFTER MIDNIGHT.    
MEMORIAL DAY
 
MOSTLY SUNNY. HIGHS 82 TO 89. EAST WINDS AROUND  
10 MPH.    
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS 46 TO 54. SOUTHEAST WINDS  
AROUND 10 MPH.    
TUESDAY
 
MOSTLY SUNNY. HIGHS 71 TO 78.    
TUESDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND  
A SLIGHT CHANCE OF THUNDERSTORMS. BREEZY. LOWS 38 TO 45.    
WEDNESDAY
 
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS 67 TO 74.    
WEDNESDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS  
AND A SLIGHT CHANCE OF THUNDERSTORMS. LOWS 39 TO 46.    
THURSDAY
 
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS 71 TO 78.    
THURSDAY NIGHT
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN.  
LOWS 40 TO 47.    
FRIDAY
 
MOSTLY SUNNY WITH A CHANCE OF RAIN SHOWERS AND A SLIGHT  
CHANCE OF THUNDERSTORMS. HIGHS 65 TO 72.    
FRIDAY NIGHT
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN. LOWS  
39 TO 46.    
SATURDAY
 
MOSTLY SUNNY. HIGHS 68 TO 75.  
 

 
 
IDZ056-057-241000-  
SOUTHERN HILLS/ALBION MOUNTAINS-RAFT RIVER REGION-  
INCLUDING ALBION, ALMO, MALTA, ROCKLAND,  
AND HOLBROOK  
1231 PM MDT SAT MAY 23 2026  
   
TONIGHT
 
MOSTLY CLOUDY. LOWS 48 TO 58. SOUTHWEST WINDS AROUND  
10 MPH.    
SUNDAY
 
PARTLY SUNNY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS 76 TO 84. SOUTHWEST WINDS  
UP TO 10 MPH...INCREASING TO 10 TO 15 MPH IN THE AFTERNOON.    
SUNDAY NIGHT
 
DECREASING CLOUDS. LOWS 48 TO 58. SOUTH WINDS UP  
TO 10 MPH.    
MEMORIAL DAY
 
MOSTLY SUNNY. HIGHS 80 TO 87. SOUTH WINDS 10 TO  
15 MPH.    
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS 49 TO 59. SOUTH WINDS 10 TO  
15 MPH.    
TUESDAY
 
PARTLY SUNNY. HIGHS 71 TO 81.    
TUESDAY NIGHT
 
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN.  
BREEZY. LOWS 39 TO 46.    
WEDNESDAY
 
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS 65 TO 75.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN.  
LOWS 40 TO 48.    
THURSDAY
 
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS 70 TO 77.    
THURSDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS 41 TO  
50.    
FRIDAY
 
PARTLY SUNNY WITH A CHANCE OF RAIN SHOWERS AND A SLIGHT  
CHANCE OF THUNDERSTORMS. HIGHS 64 TO 71.    
FRIDAY NIGHT
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN. LOWS  
41 TO 50.    
SATURDAY
 
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS 68 TO 75.  
 

 
 
IDZ058-059-241000-  
MARSH AND ARBON HIGHLANDS-FRANKLIN/EASTERN ONEIDA REGION-  
INCLUDING INKOM, MCCAMMON, DOWNEY,  
LAVA HOT SPRINGS, MALAD, PRESTON, AND THATCHER  
1231 PM MDT SAT MAY 23 2026  
   
TONIGHT
 
MOSTLY CLOUDY. LOWS 44 TO 54.    
SUNDAY
 
PARTLY SUNNY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS 72 TO 82.    
SUNDAY NIGHT
 
MOSTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS  
44 TO 54.    
MEMORIAL DAY
 
SUNNY. HIGHS 76 TO 86.    
MONDAY NIGHT
 
MOSTLY CLEAR. LOWS 46 TO 56.    
TUESDAY AND TUESDAY NIGHT
 
MOSTLY CLOUDY. HIGHS 70 TO 80. LOWS  
40 TO 50.    
WEDNESDAY
 
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS 65 TO 75.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN.  
LOWS 39 TO 49.    
THURSDAY
 
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS 69 TO 78.    
THURSDAY NIGHT
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN.  
LOWS 39 TO 49.    
FRIDAY
 
PARTLY SUNNY WITH A CHANCE OF RAIN SHOWERS AND A SLIGHT  
CHANCE OF THUNDERSTORMS. HIGHS 62 TO 71.    
FRIDAY NIGHT
 
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN. LOWS  
38 TO 48.    
SATURDAY
 
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS 63 TO 73.  
 

 
 
IDZ054-241000-  
LOWER SNAKE RIVER PLAIN-  
INCLUDING POCATELLO, BLACKFOOT, AMERICAN FALLS,  
SHELLEY, AND FORT HALL  
1231 PM MDT SAT MAY 23 2026  
   
TONIGHT
 
MOSTLY CLOUDY. LOWS 43 TO 53. SOUTHWEST WINDS 10 TO  
15 MPH.    
SUNDAY
 
PARTLY SUNNY IN THE MORNING THEN CLEARING. HIGHS 74 TO  
84. SOUTHWEST WINDS UP TO 10 MPH...INCREASING TO 10 TO 20 MPH IN  
THE AFTERNOON.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS 42 TO 52. SOUTH WINDS 10 TO  
15 MPH.    
MEMORIAL DAY
 
SUNNY. HIGHS 77 TO 87. EAST WINDS UP TO 10 MPH.    
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS 46 TO 56. SOUTH WINDS 10 TO  
15 MPH.    
TUESDAY
 
MOSTLY SUNNY. HIGHS 70 TO 80.    
TUESDAY NIGHT
 
MOSTLY CLOUDY. LOWS 39 TO 46.    
WEDNESDAY AND WEDNESDAY NIGHT
 
PARTLY CLOUDY. A SLIGHT CHANCE  
OF SHOWERS AND THUNDERSTORMS. HIGHS 68 TO 75. LOWS 40 TO 47.    
THURSDAY AND THURSDAY NIGHT
 
PARTLY CLOUDY. A SLIGHT CHANCE OF  
RAIN. HIGHS 71 TO 78. LOWS 40 TO 48.    
FRIDAY
 
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS 66 TO 73.    
FRIDAY NIGHT
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN. LOWS  
40 TO 47.    
SATURDAY
 
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS 68 TO 75.  
 

 
 
IDZ075-241000-  
WOOD RIVER FOOTHILLS-  
INCLUDING HAILEY, BELLEVUE, AND PICABO  
1231 PM MDT SAT MAY 23 2026  
   
TONIGHT
 
MOSTLY CLOUDY. LOWS 43 TO 53. NORTHWEST WINDS 10 TO  
15 MPH.    
SUNDAY
 
SUNNY, BREEZY. HIGHS 71 TO 81. NORTHWEST WINDS UP TO  
10 MPH...INCREASING TO SOUTHWEST 15 TO 25 MPH IN THE AFTERNOON.    
SUNDAY NIGHT
 
MOSTLY CLEAR. LOWS 44 TO 54. WEST WINDS 10 TO  
15 MPH...SHIFTING TO NORTH AFTER MIDNIGHT.    
MEMORIAL DAY
 
MOSTLY SUNNY. HIGHS 74 TO 84. SOUTH WINDS 10 TO  
15 MPH.    
MONDAY NIGHT
 
MOSTLY CLOUDY. LOWS 45 TO 55. EAST WINDS AROUND  
10 MPH.    
TUESDAY
 
MOSTLY SUNNY. HIGHS 64 TO 74.    
TUESDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND  
A SLIGHT CHANCE OF THUNDERSTORMS. LOWS 38 TO 47.    
WEDNESDAY
 
PARTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS 62 TO 71.    
WEDNESDAY NIGHT THROUGH THURSDAY NIGHT
 
MOSTLY CLOUDY WITH A  
CHANCE OF RAIN SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. LOWS  
39 TO 49. HIGHS 65 TO 74.    
FRIDAY
 
PARTLY SUNNY WITH A CHANCE OF RAIN SHOWERS AND A SLIGHT  
CHANCE OF THUNDERSTORMS. HIGHS 59 TO 67.    
FRIDAY NIGHT
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN. LOWS  
38 TO 47.    
SATURDAY
 
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS 61 TO 71.  
 

 
 
IDZ069-241000-  
LOST RIVER RANGE-  
INCLUDING BORAH PEAK  
1231 PM MDT SAT MAY 23 2026  
   
TONIGHT
 
MOSTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS 41 TO  
48.    
SUNDAY
 
MOSTLY SUNNY. HIGHS 68 TO 78.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS 42 TO 50.    
MEMORIAL DAY
 
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS 71 TO 81.    
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS 46 TO 53.    
TUESDAY
 
MOSTLY SUNNY. BREEZY. HIGHS 64 TO 74.    
TUESDAY NIGHT
 
RAIN SHOWERS LIKELY AND A SLIGHT CHANCE OF  
THUNDERSTORMS. LOWS 41 TO 48.    
WEDNESDAY AND WEDNESDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF RAIN  
SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. HIGHS 60 TO 70.  
LOWS 41 TO 48.    
THURSDAY
 
PARTLY SUNNY WITH A CHANCE OF RAIN SHOWERS AND A  
SLIGHT CHANCE OF THUNDERSTORMS. HIGHS 64 TO 74.    
THURSDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS 41 TO  
48.    
FRIDAY
 
PARTLY SUNNY WITH A CHANCE OF RAIN SHOWERS AND A SLIGHT  
CHANCE OF THUNDERSTORMS. HIGHS 58 TO 68.    
FRIDAY NIGHT
 
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN. LOWS  
40 TO 47.    
SATURDAY
 
PARTLY SUNNY WITH A CHANCE OF RAIN SHOWERS AND A  
SLIGHT CHANCE OF THUNDERSTORMS. HIGHS 60 TO 70.  
 

 
 
IDZ063-064-241000-  
CARIBOU RANGE-BIG HOLE MOUNTAINS-  
INCLUDING WAYAN, SWAN VALLEY, AND VICTOR  
1231 PM MDT SAT MAY 23 2026  
   
TONIGHT
 
MOSTLY CLOUDY. LOWS 38 TO 48.    
SUNDAY
 
PARTLY SUNNY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS 70 TO 78.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS 38 TO 48.    
MEMORIAL DAY
 
MOSTLY SUNNY. HIGHS 75 TO 82.    
MONDAY NIGHT
 
MOSTLY CLEAR. LOWS 41 TO 51.    
TUESDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS 70 TO 79.    
TUESDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND  
A SLIGHT CHANCE OF THUNDERSTORMS. LOWS 38 TO 46.    
WEDNESDAY
 
RAIN SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS.  
HIGHS 65 TO 72.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS  
AND A SLIGHT CHANCE OF THUNDERSTORMS. LOWS 38 TO 45.    
THURSDAY
 
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS 70 TO 77.    
THURSDAY NIGHT
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN.  
LOWS 38 TO 46.    
FRIDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS 61 TO 69.    
FRIDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND A  
SLIGHT CHANCE OF THUNDERSTORMS. LOWS 37 TO 44.    
SATURDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS 61 TO 68.  
 

 
 
IDZ068-070-241000-  
LOST RIVER VALLEY-CHALLIS/PAHSIMEROI VALLEYS-  
INCLUDING HOWE, ARCO, MACKAY, CHILLY, AND CHALLIS  
1231 PM MDT SAT MAY 23 2026  
   
TONIGHT
 
MOSTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS 40 TO  
47. WEST WINDS 10 TO 15 MPH...DECREASING TO UP TO 10 MPH AFTER  
MIDNIGHT.    
SUNDAY
 
MOSTLY SUNNY. HIGHS 71 TO 81. SOUTHWEST WINDS UP TO  
10 MPH...INCREASING TO WEST 10 TO 20 MPH IN THE AFTERNOON.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS 41 TO 48. WEST WINDS 10 TO  
15 MPH...DECREASING TO UP TO 10 MPH AFTER MIDNIGHT.    
MEMORIAL DAY
 
MOSTLY SUNNY WITH A CHANCE OF RAIN SHOWERS AND A  
SLIGHT CHANCE OF THUNDERSTORMS. HIGHS 73 TO 83. SOUTHEAST WINDS  
AROUND 10 MPH.    
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS 43 TO 51. SOUTH WINDS 10 TO  
15 MPH.    
TUESDAY
 
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. BREEZY. HIGHS 66 TO 76.    
TUESDAY NIGHT
 
RAIN SHOWERS LIKELY AND A SLIGHT CHANCE OF  
THUNDERSTORMS. LOWS 39 TO 46.    
WEDNESDAY AND WEDNESDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF RAIN  
SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. HIGHS 62 TO 72.  
LOWS 39 TO 46.    
THURSDAY
 
PARTLY SUNNY WITH A CHANCE OF RAIN SHOWERS AND A  
SLIGHT CHANCE OF THUNDERSTORMS. HIGHS 66 TO 76.    
THURSDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS 39 TO  
46.    
FRIDAY
 
PARTLY SUNNY WITH A CHANCE OF RAIN SHOWERS AND A SLIGHT  
CHANCE OF THUNDERSTORMS. HIGHS 61 TO 71.    
FRIDAY NIGHT
 
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN. LOWS  
38 TO 45.    
SATURDAY
 
PARTLY SUNNY WITH A CHANCE OF RAIN SHOWERS AND A  
SLIGHT CHANCE OF THUNDERSTORMS. HIGHS 62 TO 72.  
 

 
 
IDZ066-067-241000-  
CENTENNIAL MOUNTAINS - ISLAND PARK-BEAVERHEAD - LEMHI HIGHLANDS-  
INCLUDING ISLAND PARK, KILGORE, DUBOIS, SPENCER,  
EDIE SCHOOL, AND SMALL  
1231 PM MDT SAT MAY 23 2026  
   
TONIGHT
 
MOSTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS 36 TO  
46.    
SUNDAY
 
SUNNY. HIGHS 70 TO 78.    
SUNDAY NIGHT
 
MOSTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS  
38 TO 48.    
MEMORIAL DAY
 
SUNNY. HIGHS 73 TO 81.    
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS 41 TO 51.    
TUESDAY
 
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS 67 TO 77.    
TUESDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND  
A SLIGHT CHANCE OF THUNDERSTORMS. LOWS 38 TO 46.    
WEDNESDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS 63 TO 71.    
WEDNESDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS  
AND A SLIGHT CHANCE OF THUNDERSTORMS. LOWS 38 TO 46.    
THURSDAY
 
MOSTLY SUNNY WITH A CHANCE OF RAIN SHOWERS AND A  
SLIGHT CHANCE OF THUNDERSTORMS. HIGHS 67 TO 76.    
THURSDAY NIGHT
 
PARTLY CLOUDY WITH A CHANCE OF RAIN AND A  
SLIGHT CHANCE OF THUNDERSTORMS. LOWS 37 TO 46.    
FRIDAY
 
MOSTLY SUNNY WITH A CHANCE OF RAIN SHOWERS AND A SLIGHT  
CHANCE OF THUNDERSTORMS. HIGHS 62 TO 69.    
FRIDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND A  
SLIGHT CHANCE OF THUNDERSTORMS. LOWS 36 TO 45.    
SATURDAY
 
PARTLY SUNNY WITH A CHANCE OF RAIN SHOWERS AND A  
SLIGHT CHANCE OF THUNDERSTORMS. HIGHS 60 TO 67.  
 

 
 
IDZ065-241000-  
TETON VALLEY-  
INCLUDING ASHTON, TETONIA, AND DRIGGS  
1231 PM MDT SAT MAY 23 2026  
   
TONIGHT
 
MOSTLY CLOUDY. LOWS 39 TO 46.    
SUNDAY
 
MOSTLY SUNNY. HIGHS 72 TO 79.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS 41 TO 48.    
MEMORIAL DAY
 
SUNNY. HIGHS 76 TO 83.    
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS 44 TO 51.    
TUESDAY
 
RAIN SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS.  
HIGHS 72 TO 79.    
TUESDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND  
A SLIGHT CHANCE OF THUNDERSTORMS. LOWS 40 TO 47.    
WEDNESDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS AROUND 70.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS  
AND A SLIGHT CHANCE OF THUNDERSTORMS. LOWS 40 TO 47.    
THURSDAY AND THURSDAY NIGHT
 
PARTLY CLOUDY. A SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS. HIGHS 72 TO 79. LOWS 40 TO 47.    
FRIDAY
 
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS 64 TO 71.    
FRIDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND A  
SLIGHT CHANCE OF THUNDERSTORMS. LOWS 39 TO 46.    
SATURDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS 62 TO 69.  
 

 
 
IDZ062-241000-  
BLACKFOOT MOUNTAINS-  
INCLUDING GRACE, SODA SPRINGS, HENRY, AND BONE  
1231 PM MDT SAT MAY 23 2026  
   
TONIGHT
 
MOSTLY CLOUDY. LOWS 41 TO 51.    
SUNDAY
 
PARTLY SUNNY. HIGHS 68 TO 78.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS 41 TO 51.    
MEMORIAL DAY
 
MOSTLY SUNNY. HIGHS 71 TO 81.    
MONDAY NIGHT
 
MOSTLY CLEAR. LOWS 44 TO 54.    
TUESDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS 67 TO 76.    
TUESDAY NIGHT
 
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS  
AND THUNDERSTORMS. LOWS 39 TO 49.    
WEDNESDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS 63 TO 72.    
WEDNESDAY NIGHT AND THURSDAY
 
PARTLY CLOUDY. A SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS. LOWS 38 TO 48. HIGHS 67 TO 75.    
THURSDAY NIGHT
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN.  
LOWS 38 TO 48.    
FRIDAY
 
PARTLY SUNNY WITH A CHANCE OF RAIN SHOWERS AND A SLIGHT  
CHANCE OF THUNDERSTORMS. HIGHS 60 TO 67.    
FRIDAY NIGHT
 
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS 38 TO 48.    
SATURDAY
 
MOSTLY SUNNY WITH A CHANCE OF RAIN SHOWERS AND A  
SLIGHT CHANCE OF THUNDERSTORMS. HIGHS 60 TO 68.  
 

 
 
IDZ060-241000-  
BEAR RIVER RANGE-  
INCLUDING EMIGRATION SUMMIT  
1231 PM MDT SAT MAY 23 2026  
   
TONIGHT
 
MOSTLY CLOUDY. LOWS 50 TO 58.    
SUNDAY
 
PARTLY SUNNY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS 68 TO 75.    
SUNDAY NIGHT
 
DECREASING CLOUDS. LOWS 49 TO 58.    
MEMORIAL DAY
 
MOSTLY SUNNY. HIGHS 73 TO 80.    
MONDAY NIGHT
 
MOSTLY CLEAR. LOWS 51 TO 59.    
TUESDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS 69 TO 76.    
TUESDAY NIGHT
 
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN. LOWS  
47 TO 54.    
WEDNESDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS 64 TO 71.    
WEDNESDAY NIGHT THROUGH THURSDAY NIGHT
 
PARTLY CLOUDY WITH A  
SLIGHT CHANCE OF RAIN. LOWS 46 TO 53. HIGHS 67 TO 74.    
FRIDAY
 
PARTLY SUNNY WITH A CHANCE OF RAIN SHOWERS AND A SLIGHT  
CHANCE OF THUNDERSTORMS. HIGHS 59 TO 66.    
FRIDAY NIGHT
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN. LOWS  
45 TO 52.    
SATURDAY
 
PARTLY SUNNY WITH A CHANCE OF RAIN SHOWERS AND A  
SLIGHT CHANCE OF THUNDERSTORMS. HIGHS 61 TO 68.  
 

 
 
IDZ061-241000-  
BEAR LAKE VALLEY-  
INCLUDING ST. CHARLES, MONTPELIER, AND GEORGETOWN  
1231 PM MDT SAT MAY 23 2026  
   
TONIGHT
 
MOSTLY CLOUDY. LOWS 40 TO 48.    
SUNDAY
 
PARTLY SUNNY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS 68 TO 76.    
SUNDAY NIGHT
 
MOSTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS  
40 TO 48.    
MEMORIAL DAY
 
MOSTLY SUNNY. HIGHS 70 TO 80.    
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS 42 TO 50.    
TUESDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS 67 TO 76.    
TUESDAY NIGHT
 
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN. LOWS  
39 TO 47.    
WEDNESDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS 66 TO 73.    
WEDNESDAY NIGHT THROUGH THURSDAY NIGHT
 
PARTLY CLOUDY WITH A  
SLIGHT CHANCE OF RAIN. LOWS 37 TO 47. HIGHS 69 TO 76.    
FRIDAY
 
PARTLY SUNNY WITH A CHANCE OF RAIN SHOWERS AND A SLIGHT  
CHANCE OF THUNDERSTORMS. HIGHS 61 TO 68.    
FRIDAY NIGHT
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN. LOWS  
36 TO 44.    
SATURDAY
 
MOSTLY SUNNY WITH A CHANCE OF RAIN SHOWERS AND A  
SLIGHT CHANCE OF THUNDERSTORMS. HIGHS 62 TO 69.  
 

 
 
IDZ071-074-241000-  
FRANK CHURCH WILDERNESS-BIG LOST HIGHLANDS/COPPER BASIN-  
INCLUDING CLAYTON AND COPPER BASIN  
1231 PM MDT SAT MAY 23 2026  
   
TONIGHT
 
PARTLY CLOUDY. LOWS 37 TO 47.    
SUNDAY
 
SUNNY. HIGHS 67 TO 77.    
SUNDAY NIGHT
 
MOSTLY CLEAR. LOWS 38 TO 48.    
MEMORIAL DAY
 
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS 70 TO 80.    
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS 41 TO 51.    
TUESDAY
 
MOSTLY SUNNY WITH A CHANCE OF RAIN SHOWERS AND A  
SLIGHT CHANCE OF THUNDERSTORMS. HIGHS 61 TO 71.    
TUESDAY NIGHT AND WEDNESDAY
 
RAIN SHOWERS LIKELY AND A SLIGHT  
CHANCE OF THUNDERSTORMS. LOWS 34 TO 44. HIGHS 58 TO 68.    
WEDNESDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS  
AND A SLIGHT CHANCE OF THUNDERSTORMS. LOWS 36 TO 46.    
THURSDAY
 
PARTLY SUNNY WITH A CHANCE OF RAIN SHOWERS AND A  
SLIGHT CHANCE OF THUNDERSTORMS. HIGHS 63 TO 73.    
THURSDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND  
A SLIGHT CHANCE OF THUNDERSTORMS. LOWS 35 TO 45.    
FRIDAY
 
PARTLY SUNNY WITH A CHANCE OF RAIN SHOWERS AND A SLIGHT  
CHANCE OF THUNDERSTORMS. HIGHS 57 TO 67.    
FRIDAY NIGHT
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN. LOWS  
35 TO 44.    
SATURDAY
 
PARTLY SUNNY WITH A CHANCE OF RAIN SHOWERS AND A  
SLIGHT CHANCE OF THUNDERSTORMS. HIGHS 59 TO 69.  
 

 
 
IDZ055-241000-  
EASTERN MAGIC VALLEY-  
INCLUDING BURLEY, RUPERT, HEYBURN, AND OAKLEY  
1231 PM MDT SAT MAY 23 2026  
   
TONIGHT
 
MOSTLY CLOUDY. LOWS 47 TO 57. SOUTHWEST WINDS 10 TO  
15 MPH.    
SUNDAY
 
PARTLY SUNNY IN THE MORNING THEN CLEARING. HIGHS 79 TO  
86. SOUTHWEST WINDS UP TO 10 MPH...SHIFTING TO WEST IN THE  
AFTERNOON.    
SUNDAY NIGHT
 
MOSTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS  
47 TO 57. SOUTHWEST WINDS 10 TO 15 MPH...SHIFTING TO SOUTHEAST  
AFTER MIDNIGHT.    
MEMORIAL DAY
 
MOSTLY SUNNY. HIGHS 82 TO 89. SOUTHEAST WINDS UP  
TO 10 MPH.    
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS 49 TO 59. SOUTH WINDS 10 TO  
15 MPH.    
TUESDAY
 
MOSTLY SUNNY. HIGHS 74 TO 81.    
TUESDAY NIGHT
 
MOSTLY CLOUDY. BREEZY. LOWS 39 TO 46.    
WEDNESDAY THROUGH THURSDAY
 
PARTLY CLOUDY WITH A SLIGHT CHANCE  
OF SHOWERS AND THUNDERSTORMS. HIGHS 68 TO 78. LOWS 41 TO 48.    
THURSDAY NIGHT
 
PARTLY CLOUDY WITH A CHANCE OF RAIN. LOWS 41 TO  
49.    
FRIDAY
 
MOSTLY SUNNY WITH A CHANCE OF RAIN SHOWERS AND A SLIGHT  
CHANCE OF THUNDERSTORMS. HIGHS 66 TO 73.    
FRIDAY NIGHT
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN. LOWS  
40 TO 49.    
SATURDAY
 
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS 69 TO 76.  
 

 
 
WEATHER INFORMATION ON-LINE 24-HOURS A DAY  
WWW.WEATHER.GOV/POCATELLO  
 
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