546
FNUS55 KPIH 221937
FWFPIH
FIRE WEATHER PLANNING FORECAST FOR SOUTHEAST IDAHO
NATIONAL WEATHER SERVICE POCATELLO ID
137 PM MDT WED JUL 22 2026
DISCUSSION
* CENTRAL IDAHO DISPATCH AREA WEATHER IMPACT SUMMARY (ZONES 475
AND 476)...
SCATTERED SHOWERS AND THUNDERSTORMS ARE GETTING GOING THIS
AFTERNOON AND WILL CONTINUE THROUGH THE EVENING. THE MAIN THREAT
WITH THESE SHOWERS AND STORMS IS HEAVY DOWNPOURS LEADING TO
LOCALIZED FLOODING OR FLASH FLOODING. STORMS WILL BE CAPABLE OF
PRODUCING WIND GUSTS AROUND 35 TO 45 MPH. MOST ACTIVITY WINDS DOWN
BY MIDNIGHT TONIGHT WITH ONLY ISOLATED THUNDERSTORM CHANCES ON
THURSDAY.
* EAST IDAHO DISPATCH AREA WEATHER IMPACT SUMMARY (ZONES 410...411
AND 413)...
SCATTERED SHOWERS AND THUNDERSTORMS ARE GETTING GOING THIS
AFTERNOON AND WILL CONTINUE THROUGH THE EVENING. THE MAIN THREAT
WITH THESE SHOWERS AND STORMS IS HEAVY DOWNPOURS LEADING TO
LOCALIZED FLOODING OR FLASH FLOODING. STORMS WILL BE CAPABLE OF
PRODUCING WIND GUSTS AROUND 35 TO 45 MPH. MOST ACTIVITY WINDS DOWN
BY MIDNIGHT TONIGHT WITH ONLY ISOLATED THUNDERSTORM CHANCES ON
THURSDAY.
* SOUTH CENTRAL IDAHO DISPATCH AREA WEATHER IMPACT SUMMARY (ZONES
422...425 AND 427)...
SCATTERED SHOWERS AND THUNDERSTORMS ARE GETTING GOING THIS
AFTERNOON AND WILL CONTINUE THROUGH THE EVENING. THE MAIN THREAT
WITH THESE SHOWERS AND STORMS IS HEAVY DOWNPOURS LEADING TO
LOCALIZED FLOODING OR FLASH FLOODING. STORMS WILL BE CAPABLE OF
PRODUCING WIND GUSTS AROUND 30 TO 40 MPH. MOST ACTIVITY WINDS
DOWN BY MIDNIGHT TONIGHT WITH ONLY ISOLATED THUNDERSTORM CHANCES
ON THURSDAY.
IDZ475-231030-
EAST SALMON RIVER MOUNTAINS/SALMON NF-
137 PM MDT WED JUL 22 2026
TONIGHT
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING MOSTLY CLEAR.
CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING. PATCHY SMOKE
THROUGH THE NIGHT.
* CHC OF THUNDER.....20 PERCENT.
* MIN TEMPERATURE....54-61.
24 HR TREND......2 DEGREES DOWN.
* MAX HUMIDITY.......70-78 PERCENT.
24 HR TREND......7 PERCENT UP.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTH 4 TO 5 MPH IN THE EVENING BECOMING
LIGHT.
RIDGES/UPR SLOPES....SOUTHWEST 4 TO 5 MPH.
* CHC WETTING RAIN...10 PERCENT.
* MIXING HEIGHT......200-1200 FT AGL.
* TRANSPORT WINDS....LIGHT WINDS.
THURSDAY
* SKY/WEATHER........SUNNY THEN BECOMING PARTLY CLOUDY. PATCHY
SMOKE THROUGH THE DAY. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
* CHC OF THUNDER.....20 PERCENT.
* MAX TEMPERATURE....80-87 VALLEYS AND 70-77 RIDGES.
24 HR TREND......2 DEGREES UP.
* MIN HUMIDITY.......29-37 PERCENT.
24 HR TREND......13 PERCENT DOWN.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...WEST 4 TO 6 MPH.
RIDGES/UPR SLOPES....WEST 4 TO 7 MPH. GUSTS UP TO 15 MPH IN THE
AFTERNOON.
* CHC WETTING RAIN...10 PERCENT.
* MIXING HEIGHT......9000-10000 FT AGL.
* TRANSPORT WINDS....LIGHT WINDS BECOMING WEST AROUND 10 MPH IN THE
AFTERNOON.
THURSDAY NIGHT
* SKY/WEATHER........MOSTLY CLEAR. PATCHY SMOKE IN THE EVENING.
* CHC OF THUNDER.....0 PERCENT.
* MIN TEMPERATURE....55-62.
24 HR TREND......2 DEGREES UP.
* MAX HUMIDITY.......55-63 PERCENT VALLEYS AND 47-55 PERCENT
RIDGES.
24 HR TREND......18 PERCENT DOWN.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...WEST 4 TO 5 MPH SHIFTING TO THE SOUTH
AFTER MIDNIGHT.
RIDGES/UPR SLOPES....SOUTHWEST 4 TO 6 MPH. GUSTS UP TO 15 MPH
IN THE EVENING.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......100-1100 FT AGL.
* TRANSPORT WINDS....LIGHT WINDS.
FRIDAY
* SKY/WEATHER........SUNNY.
* CHC OF THUNDER.....0 PERCENT.
* MAX TEMPERATURE....84-91 VALLEYS AND 74-80 RIDGES.
24 HR TREND......4 DEGREES UP.
* MIN HUMIDITY.......16-24 PERCENT.
24 HR TREND......13 PERCENT DOWN.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTH 4 TO 5 MPH SHIFTING TO THE SOUTHWEST
10 TO 15 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....SOUTH 4 TO 6 MPH WITH GUSTS TO AROUND 15
MPH SHIFTING TO THE SOUTHWEST 11 TO 16 MPH
WITH GUSTS TO AROUND 25 MPH IN THE
AFTERNOON.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......12750-13750 FT AGL.
* TRANSPORT WINDS....SOUTHWEST AROUND 10 MPH INCREASING TO AROUND
20 MPH IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
SATURDAY
CLEAR. LOWS 56 TO 63. HIGHS 80 TO 87. SOUTHWEST WINDS
10 TO 20 MPH WITH GUSTS TO AROUND 30 MPH.
SUNDAY
CLEAR. LOWS 54 TO 61. HIGHS 79 TO 86. SOUTHWEST WINDS
10 TO 20 MPH WITH GUSTS TO AROUND 30 MPH.
MONDAY
CLEAR. LOWS 52 TO 59. HIGHS 78 TO 85. WEST WINDS 10 TO
15 MPH WITH GUSTS TO AROUND 25 MPH.
TUESDAY
CLEAR. LOWS IN THE MID 50S. HIGHS AROUND 80.
WEDNESDAY
CLEAR. LOWS IN THE MID 50S. HIGHS AROUND 80.
IDZ476-231030-
LEMHI AND LOST RIVER RANGE/CHALLIS NF-
137 PM MDT WED JUL 22 2026
TONIGHT
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
EVENING.
* CHC OF THUNDER.....50 PERCENT.
* MIN TEMPERATURE....52-59.
24 HR TREND......3 DEGREES DOWN.
* MAX HUMIDITY.......76-84 PERCENT.
24 HR TREND......8 PERCENT UP.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...WEST 4 TO 6 MPH IN THE EVENING BECOMING
LIGHT.
RIDGES/UPR SLOPES....NORTHWEST 4 TO 6 MPH. GUSTS UP TO 15 MPH
IN THE EVENING.
* CHC WETTING RAIN...10 PERCENT.
* MIXING HEIGHT......400-1400 FT AGL.
* TRANSPORT WINDS....LIGHT WINDS.
THURSDAY
* SKY/WEATHER........SUNNY THEN BECOMING PARTLY CLOUDY. PATCHY
SMOKE IN THE AFTERNOON. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
* CHC OF THUNDER.....20 PERCENT.
* MAX TEMPERATURE....79-86 VALLEYS AND 68-75 RIDGES.
24 HR TREND......3 DEGREES UP.
* MIN HUMIDITY.......30-38 PERCENT VALLEYS AND 38-46 PERCENT
RIDGES.
24 HR TREND......16 PERCENT DOWN.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...LIGHT WINDS BECOMING NORTHWEST 4 TO 6 MPH
IN THE AFTERNOON.
RIDGES/UPR SLOPES....NORTHWEST 4 TO 7 MPH. GUSTS UP TO 15 MPH
IN THE AFTERNOON.
* CHC WETTING RAIN...10 PERCENT.
* MIXING HEIGHT......7250-8250 FT AGL.
* TRANSPORT WINDS....LIGHT WINDS BECOMING WEST AROUND 10 MPH IN THE
AFTERNOON.
THURSDAY NIGHT
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING CLEAR. PATCHY
SMOKE IN THE EVENING.
* CHC OF THUNDER.....0 PERCENT.
* MIN TEMPERATURE....54-61.
24 HR TREND......2 DEGREES UP.
* MAX HUMIDITY.......55-63 PERCENT VALLEYS AND 51-59 PERCENT
RIDGES.
24 HR TREND......22 PERCENT DOWN.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...WEST 4 TO 5 MPH SHIFTING TO THE SOUTH
AFTER MIDNIGHT.
RIDGES/UPR SLOPES....SOUTHWEST 4 TO 6 MPH WITH GUSTS TO AROUND
15 MPH.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......300-1300 FT AGL.
* TRANSPORT WINDS....LIGHT WINDS.
FRIDAY
* SKY/WEATHER........SUNNY.
* CHC OF THUNDER.....0 PERCENT.
* MAX TEMPERATURE....85-92 VALLEYS AND 73-80 RIDGES.
24 HR TREND......5 DEGREES UP.
* MIN HUMIDITY.......17-25 PERCENT VALLEYS AND 23-31 PERCENT
RIDGES.
24 HR TREND......13 PERCENT DOWN.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTH 4 TO 5 MPH SHIFTING TO THE SOUTHWEST
11 TO 16 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....SOUTHWEST 12 TO 17 MPH. GUSTS UP TO 15 MPH
INCREASING TO 25 MPH IN THE AFTERNOON.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......13250-14250 FT AGL.
* TRANSPORT WINDS....SOUTHWEST AROUND 10 MPH INCREASING TO AROUND
20 MPH IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
SATURDAY
MOSTLY CLEAR. CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS. LOWS 55 TO 62. HIGHS 80 TO 87. SOUTH WINDS 10 TO
20 MPH WITH GUSTS TO AROUND 30 MPH.
SUNDAY
CLEAR. LOWS 53 TO 60. HIGHS 79 TO 86. SOUTHWEST WINDS
10 TO 20 MPH WITH GUSTS TO AROUND 30 MPH.
MONDAY
MOSTLY CLEAR. LOWS 53 TO 60. HIGHS 78 TO 85. SOUTHWEST
WINDS 10 TO 20 MPH WITH GUSTS TO AROUND 30 MPH.
TUESDAY
CLEAR. LOWS IN THE MID 50S. HIGHS IN THE LOWER 80S.
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE
LOWER 80S.
IDZ422-231030-
SAWTOOTH RANGE/NORTHERN SAWTOOTH NF-
137 PM MDT WED JUL 22 2026
TONIGHT
* SKY/WEATHER........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING.
* CHC OF THUNDER.....20 PERCENT.
* MIN TEMPERATURE....52-59.
24 HR TREND......4 DEGREES DOWN.
* MAX HUMIDITY.......72-80 PERCENT.
24 HR TREND......5 PERCENT UP.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...NORTH 4 TO 6 MPH.
RIDGES/UPR SLOPES....NORTH 4 TO 6 MPH.
* CHC WETTING RAIN...10 PERCENT.
* MIXING HEIGHT......200-1200 FT AGL.
* TRANSPORT WINDS....NORTH AROUND 10 MPH IN THE EVENING BECOMING
LIGHT.
THURSDAY
* SKY/WEATHER........SUNNY.
* CHC OF THUNDER.....0 PERCENT.
* MAX TEMPERATURE....82-89 VALLEYS AND 70-77 RIDGES.
24 HR TREND......3 DEGREES UP.
* MIN HUMIDITY.......26-34 PERCENT VALLEYS AND 34-42 PERCENT
RIDGES.
24 HR TREND......21 PERCENT DOWN.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...WEST 4 TO 8 MPH.
RIDGES/UPR SLOPES....WEST 4 TO 8 MPH. GUSTS UP TO 15 MPH IN THE
AFTERNOON.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......9500-10500 FT AGL.
* TRANSPORT WINDS....LIGHT WINDS BECOMING WEST AROUND 10 MPH IN THE
AFTERNOON.
THURSDAY NIGHT
* SKY/WEATHER........MOSTLY CLEAR.
* CHC OF THUNDER.....0 PERCENT.
* MIN TEMPERATURE....54-61.
24 HR TREND......2 DEGREES UP.
* MAX HUMIDITY.......51-59 PERCENT.
24 HR TREND......20 PERCENT DOWN.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...WEST 4 TO 6 MPH SHIFTING TO THE NORTH
AFTER MIDNIGHT.
RIDGES/UPR SLOPES....WEST 4 TO 6 MPH SHIFTING TO THE SOUTH
AFTER MIDNIGHT. GUSTS UP TO 15 MPH.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......100-1100 FT AGL.
* TRANSPORT WINDS....WEST AROUND 10 MPH IN THE EVENING BECOMING
LIGHT.
FRIDAY
* SKY/WEATHER........SUNNY.
* CHC OF THUNDER.....0 PERCENT.
* MAX TEMPERATURE....86-93 VALLEYS AND 73-80 RIDGES.
24 HR TREND......4 DEGREES UP.
* MIN HUMIDITY.......19-27 PERCENT VALLEYS AND 25-32 PERCENT
RIDGES.
24 HR TREND......7 PERCENT DOWN.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...NORTHEAST 4 TO 5 MPH SHIFTING TO THE
SOUTHWEST 6 TO 11 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....SOUTHWEST 8 TO 13 MPH. GUSTS UP TO 15 MPH
INCREASING TO 25 MPH IN THE AFTERNOON.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......13000-14000 FT AGL.
* TRANSPORT WINDS....SOUTHWEST AROUND 10 MPH INCREASING TO AROUND
20 MPH IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
SATURDAY
MOSTLY CLEAR. LOWS 56 TO 63. HIGHS 80 TO 87. SOUTH
WINDS 10 TO 20 MPH WITH GUSTS TO AROUND 30 MPH.
SUNDAY
CLEAR. LOWS 54 TO 61. HIGHS 78 TO 85. SOUTHWEST WINDS
10 TO 20 MPH WITH GUSTS TO AROUND 30 MPH.
MONDAY
MOSTLY CLEAR. LOWS 53 TO 60. HIGHS 78 TO 85. WEST WINDS
10 TO 20 MPH WITH GUSTS TO AROUND 30 MPH.
TUESDAY
CLEAR. LOWS IN THE MID 50S. HIGHS IN THE LOWER 80S.
WEDNESDAY
CLEAR. LOWS IN THE MID 50S. HIGHS IN THE LOWER 80S.
IDZ425-231030-
MIDDLE SNAKE RIVER VALLEY/TWIN FALLS BLM NORTH OF THE SNAKE RIVER-
137 PM MDT WED JUL 22 2026
TONIGHT
* SKY/WEATHER........PARTLY CLOUDY.
* CHC OF THUNDER.....0 PERCENT.
* MIN TEMPERATURE....AROUND 63.
24 HR TREND......4 DEGREES DOWN.
* MAX HUMIDITY.......76-84 PERCENT.
24 HR TREND......10 PERCENT UP.
* 20FT WINDS.........WEST WINDS 4 TO 9 MPH SHIFTING TO THE
NORTHEAST 4 TO 7 MPH AFTER MIDNIGHT. GUSTS UP
TO 15 MPH.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......200-1200 FT AGL.
* TRANSPORT WINDS....NORTHWEST AROUND 10 MPH SHIFTING TO THE EAST
AFTER MIDNIGHT.
THURSDAY
* SKY/WEATHER........SUNNY.
* CHC OF THUNDER.....0 PERCENT.
* MAX TEMPERATURE....AROUND 94.
24 HR TREND......5 DEGREES UP.
* MIN HUMIDITY.......21-28 PERCENT.
24 HR TREND......13 PERCENT DOWN.
* 20FT WINDS.........EAST WINDS 4 TO 6 MPH SHIFTING TO THE WEST 4
TO 7 MPH WITH GUSTS TO AROUND 15 MPH IN THE
AFTERNOON.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......10500-11500 FT AGL.
* TRANSPORT WINDS....LIGHT WINDS BECOMING WEST AROUND 10 MPH IN THE
AFTERNOON.
THURSDAY NIGHT
* SKY/WEATHER........MOSTLY CLEAR.
* CHC OF THUNDER.....0 PERCENT.
* MIN TEMPERATURE....AROUND 65.
24 HR TREND......3 DEGREES UP.
* MAX HUMIDITY.......55-63 PERCENT.
24 HR TREND......22 PERCENT DOWN.
* 20FT WINDS.........WEST WINDS 4 TO 6 MPH WITH GUSTS TO AROUND 15
MPH SHIFTING TO THE EAST 4 TO 5 MPH AFTER
MIDNIGHT.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......200-1200 FT AGL.
* TRANSPORT WINDS....WEST AROUND 10 MPH IN THE EVENING BECOMING
LIGHT.
FRIDAY
* SKY/WEATHER........MOSTLY SUNNY. SLIGHT CHANCE OF SHOWERS IN THE
AFTERNOON.
* CHC OF THUNDER.....0 PERCENT.
* MAX TEMPERATURE....AROUND 98.
24 HR TREND......4 DEGREES UP.
* MIN HUMIDITY.......19-27 PERCENT.
24 HR TREND......2 PERCENT DOWN.
* 20FT WINDS.........EAST WINDS 4 TO 6 MPH SHIFTING TO THE
SOUTHWEST 4 TO 9 MPH WITH GUSTS TO AROUND 20
MPH IN THE AFTERNOON.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......14500-15500 FT AGL.
* TRANSPORT WINDS....SOUTHEAST AROUND 10 MPH SHIFTING TO THE
SOUTHWEST IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
SATURDAY
PARTLY CLOUDY. LOWS IN THE MID 60S. HIGHS IN THE
UPPER 90S. SOUTHEAST WINDS 10 TO 20 MPH WITH GUSTS TO AROUND
30 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE MID 60S. HIGHS IN THE MID
90S. SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO AROUND 30 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE MID
90S. WEST WINDS 10 TO 20 MPH WITH GUSTS TO AROUND 30 MPH.
TUESDAY
CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE MID 90S.
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE
MID 90S.
IDZ427-231030-
GOOSE CREEK AND RAFT RIVER VALLEY/SOUTHERN SAWTOOTH NF/TWIN FALLS
BLM SOUTH OF THE SNAKE RIVER-
137 PM MDT WED JUL 22 2026
TONIGHT
* SKY/WEATHER........PARTLY CLOUDY. PATCHY SMOKE.
* CHC OF THUNDER.....0 PERCENT.
* MIN TEMPERATURE....59-66.
24 HR TREND......3 DEGREES DOWN.
* MAX HUMIDITY.......62-70 PERCENT.
24 HR TREND......3 PERCENT UP.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...WEST 4 TO 7 MPH SHIFTING TO THE SOUTH 4 TO
5 MPH AFTER MIDNIGHT.
RIDGES/UPR SLOPES....WEST 4 TO 6 MPH. GUSTS UP TO 15 MPH IN THE
EVENING.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......200-1200 FT AGL.
* TRANSPORT WINDS....WEST AROUND 10 MPH IN THE EVENING BECOMING
LIGHT.
THURSDAY
* SKY/WEATHER........SUNNY. PATCHY SMOKE.
* CHC OF THUNDER.....0 PERCENT.
* MAX TEMPERATURE....90-95 VALLEYS AND 83-90 RIDGES.
24 HR TREND......5 DEGREES UP.
* MIN HUMIDITY.......23-31 PERCENT.
24 HR TREND......16 PERCENT DOWN.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTHWEST 4 TO 5 MPH SHIFTING TO THE
NORTHWEST 4 TO 6 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....WEST 4 TO 7 MPH. GUSTS UP TO 15 MPH IN THE
AFTERNOON.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......10250-11250 FT AGL.
* TRANSPORT WINDS....LIGHT WINDS BECOMING WEST AROUND 10 MPH IN THE
AFTERNOON.
THURSDAY NIGHT
* SKY/WEATHER........MOSTLY CLEAR.
* CHC OF THUNDER.....0 PERCENT.
* MIN TEMPERATURE....63-70.
24 HR TREND......3 DEGREES UP.
* MAX HUMIDITY.......47-55 PERCENT.
24 HR TREND......15 PERCENT DOWN.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTHWEST 4 TO 6 MPH SHIFTING TO THE SOUTH
5 TO 8 MPH AFTER MIDNIGHT.
RIDGES/UPR SLOPES....WEST 4 TO 6 MPH SHIFTING TO THE SOUTH 6 TO
9 MPH AFTER MIDNIGHT. GUSTS UP TO 15 MPH.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......100-1100 FT AGL.
* TRANSPORT WINDS....SOUTHWEST AROUND 10 MPH SHIFTING TO THE SOUTH
AFTER MIDNIGHT.
FRIDAY
* SKY/WEATHER........SUNNY THEN BECOMING PARTLY CLOUDY. SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
AFTERNOON.
* CHC OF THUNDER.....20 PERCENT.
* MAX TEMPERATURE....93-98 VALLEYS AND 86-93 RIDGES.
24 HR TREND......3 DEGREES UP.
* MIN HUMIDITY.......21-29 PERCENT.
24 HR TREND......LITTLE CHANGE.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTH 5 TO 10 MPH.
RIDGES/UPR SLOPES....SOUTH 6 TO 11 MPH. GUSTS UP TO 15 MPH
INCREASING TO 25 MPH IN THE AFTERNOON.
* CHC WETTING RAIN...10 PERCENT.
* MIXING HEIGHT......13250-14250 FT AGL.
* TRANSPORT WINDS....SOUTHWEST 10 TO 15 MPH.
FORECAST DAYS 3 THROUGH 7...
SATURDAY
PARTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 64 TO 71. HIGHS 88 TO 95. SOUTH WINDS 10 TO 15 MPH WITH
GUSTS TO AROUND 25 MPH.
SUNDAY
MOSTLY CLEAR. LOWS 62 TO 69. HIGHS 87 TO 94. SOUTHWEST
WINDS 5 TO 10 MPH WITH GUSTS TO AROUND 20 MPH.
MONDAY
MOSTLY CLEAR. LOWS 61 TO 68. HIGHS 86 TO 93. WEST WINDS
5 TO 10 MPH WITH GUSTS TO AROUND 20 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS AROUND 90.
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS AROUND
90.
IDZ410-231030-
UPPER SNAKE RIVER VALLEY/IDAHO FALLS BLM-
137 PM MDT WED JUL 22 2026
TONIGHT
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
EVENING.
* CHC OF THUNDER.....40 PERCENT.
* MIN TEMPERATURE....55-61.
24 HR TREND......4 DEGREES DOWN.
* MAX HUMIDITY.......80-88 PERCENT.
24 HR TREND......10 PERCENT UP.
* 20FT WINDS.........NORTH WINDS 4 TO 9 MPH. GUSTS UP TO 15 MPH IN
THE EVENING.
* CHC WETTING RAIN...20 PERCENT.
* MIXING HEIGHT......300-1300 FT AGL.
* TRANSPORT WINDS....NORTH AROUND 10 MPH IN THE EVENING BECOMING
LIGHT.
THURSDAY
* SKY/WEATHER........MOSTLY SUNNY.
* CHC OF THUNDER.....0 PERCENT.
* MAX TEMPERATURE....83-90.
24 HR TREND......2 DEGREES UP.
* MIN HUMIDITY.......32-40 PERCENT.
24 HR TREND......8 PERCENT DOWN.
* 20FT WINDS.........NORTHEAST WINDS 4 TO 5 MPH SHIFTING TO THE
WEST 4 TO 6 MPH WITH GUSTS TO AROUND 15 MPH IN
THE AFTERNOON.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......9500-10500 FT AGL.
* TRANSPORT WINDS....LIGHT WINDS.
THURSDAY NIGHT
* SKY/WEATHER........MOSTLY CLEAR.
* CHC OF THUNDER.....0 PERCENT.
* MIN TEMPERATURE....57-63.
24 HR TREND......2 DEGREES UP.
* MAX HUMIDITY.......63-71 PERCENT.
24 HR TREND......17 PERCENT DOWN.
* 20FT WINDS.........WEST WINDS 4 TO 5 MPH SHIFTING TO THE EAST 4
TO 6 MPH AFTER MIDNIGHT. GUSTS UP TO 15 MPH.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......300-1300 FT AGL.
* TRANSPORT WINDS....WEST AROUND 10 MPH IN THE EVENING BECOMING
LIGHT.
FRIDAY
* SKY/WEATHER........SUNNY.
* CHC OF THUNDER.....0 PERCENT.
* MAX TEMPERATURE....89-96.
24 HR TREND......5 DEGREES UP.
* MIN HUMIDITY.......20-28 PERCENT.
24 HR TREND......11 PERCENT DOWN.
* 20FT WINDS.........EAST WINDS 4 TO 6 MPH SHIFTING TO THE
SOUTHWEST 4 TO 9 MPH IN THE AFTERNOON. GUSTS
UP TO 20 MPH.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......13500-14500 FT AGL.
* TRANSPORT WINDS....SOUTHWEST 10 TO 15 MPH.
FORECAST DAYS 3 THROUGH 7...
SATURDAY
PARTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 58 TO 65. HIGHS 89 TO 96. SOUTH WINDS 10 TO 20 MPH WITH
GUSTS TO AROUND 30 MPH.
SUNDAY
MOSTLY CLEAR. LOWS 57 TO 64. HIGHS 89 TO 96. SOUTH
WINDS 10 TO 20 MPH WITH GUSTS TO AROUND 30 MPH.
MONDAY
MOSTLY CLEAR. LOWS 57 TO 63. HIGHS 88 TO 95. SOUTHWEST
WINDS 10 TO 20 MPH WITH GUSTS TO AROUND 30 MPH.
TUESDAY
CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE LOWER 90S.
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE
LOWER 90S.
IDZ411-231030-
CENTENNIAL MOUNTAINS AND SNAKE RIVER RANGE/TARGHEE NF-
137 PM MDT WED JUL 22 2026
TONIGHT
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
EVENING, THEN SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT.
* CHC OF THUNDER.....50 PERCENT.
* MIN TEMPERATURE....52-59.
24 HR TREND......3 DEGREES DOWN.
* MAX HUMIDITY.......87-95 PERCENT VALLEYS AND 79-87 PERCENT
RIDGES.
24 HR TREND......7 PERCENT UP.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...NORTH AROUND 4 MPH IN THE EVENING BECOMING
LIGHT.
RIDGES/UPR SLOPES....NORTH 4 TO 6 MPH. GUSTS UP TO 15 MPH IN
THE EVENING.
* CHC WETTING RAIN...40 PERCENT.
* MIXING HEIGHT......400-1400 FT AGL.
* TRANSPORT WINDS....NORTH AROUND 10 MPH IN THE EVENING BECOMING
LIGHT.
THURSDAY
* SKY/WEATHER........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS.
* CHC OF THUNDER.....20 PERCENT.
* MAX TEMPERATURE....AROUND 83 VALLEYS AND 72-79 RIDGES.
24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......41-49 PERCENT.
24 HR TREND......8 PERCENT DOWN.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...LIGHT WINDS BECOMING WEST 4 TO 5 MPH IN
THE AFTERNOON.
RIDGES/UPR SLOPES....WEST 4 TO 6 MPH. GUSTS UP TO 15 MPH IN THE
AFTERNOON.
* CHC WETTING RAIN...10 PERCENT.
* MIXING HEIGHT......6000-7000 FT AGL.
* TRANSPORT WINDS....LIGHT WINDS BECOMING WEST AROUND 10 MPH IN THE
AFTERNOON.
THURSDAY NIGHT
* SKY/WEATHER........MOSTLY CLEAR.
* CHC OF THUNDER.....0 PERCENT.
* MIN TEMPERATURE....54-61.
24 HR TREND......2 DEGREES UP.
* MAX HUMIDITY.......74-82 PERCENT VALLEYS AND 63-71 PERCENT
RIDGES.
24 HR TREND......16 PERCENT DOWN.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...LIGHT WINDS BECOMING EAST AROUND 4 MPH
AFTER MIDNIGHT.
RIDGES/UPR SLOPES....WEST 4 TO 5 MPH WITH GUSTS TO AROUND 15
MPH SHIFTING TO THE SOUTHEAST AROUND 4 MPH
AFTER MIDNIGHT.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......300-1300 FT AGL.
* TRANSPORT WINDS....LIGHT WINDS.
FRIDAY
* SKY/WEATHER........SUNNY.
* CHC OF THUNDER.....0 PERCENT.
* MAX TEMPERATURE....AROUND 89 VALLEYS AND 78-85 RIDGES.
24 HR TREND......5 DEGREES UP.
* MIN HUMIDITY.......24-29 PERCENT VALLEYS AND 26-34 PERCENT
RIDGES.
24 HR TREND......17 PERCENT DOWN.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTHEAST AROUND 4 MPH SHIFTING TO THE
SOUTHWEST 4 TO 7 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....SOUTH 4 TO 5 MPH SHIFTING TO THE SOUTHWEST
6 TO 9 MPH WITH GUSTS TO AROUND 20 MPH IN
THE AFTERNOON.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......10000-11000 FT AGL.
* TRANSPORT WINDS....SOUTHWEST 10 TO 15 MPH.
FORECAST DAYS 3 THROUGH 7...
SATURDAY
PARTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 55 TO 62. HIGHS 79 TO 86. SOUTH WINDS 10 TO 15 MPH WITH
GUSTS TO AROUND 30 MPH.
SUNDAY
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 55 TO 62. HIGHS 79 TO 86. SOUTH WINDS 10 TO
15 MPH WITH GUSTS TO AROUND 30 MPH.
MONDAY
MOSTLY CLEAR. LOWS 55 TO 62. HIGHS 79 TO 86. SOUTH
WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 30 MPH.
TUESDAY
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE LOWER 80S.
WEDNESDAY
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE LOWER 80S.
IDZ413-231030-
CARIBOU RANGE/CARIBOU NF-
137 PM MDT WED JUL 22 2026
TONIGHT
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
EVENING.
* CHC OF THUNDER.....40 PERCENT.
* MIN TEMPERATURE....56-63.
24 HR TREND......2 DEGREES DOWN.
* MAX HUMIDITY.......74-82 PERCENT.
24 HR TREND......5 PERCENT UP.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...WEST 4 TO 6 MPH SHIFTING TO THE SOUTHEAST
AROUND 4 MPH AFTER MIDNIGHT.
RIDGES/UPR SLOPES....WEST 4 TO 6 MPH SHIFTING TO THE SOUTH 4 TO
5 MPH AFTER MIDNIGHT.
* CHC WETTING RAIN...20 PERCENT.
* MIXING HEIGHT......300-1300 FT AGL.
* TRANSPORT WINDS....WEST AROUND 10 MPH IN THE EVENING BECOMING
LIGHT.
THURSDAY
* SKY/WEATHER........MOSTLY SUNNY.
* CHC OF THUNDER.....0 PERCENT.
* MAX TEMPERATURE....84-91 VALLEYS AND 75-82 RIDGES.
24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......28-36 PERCENT VALLEYS AND 34-42 PERCENT
RIDGES.
24 HR TREND......10 PERCENT DOWN.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTHWEST 4 TO 5 MPH SHIFTING TO THE WEST
4 TO 6 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....WEST 4 TO 8 MPH WITH GUSTS TO AROUND 15
MPH.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......9250-10250 FT AGL.
* TRANSPORT WINDS....LIGHT WINDS BECOMING WEST AROUND 10 MPH IN THE
AFTERNOON.
THURSDAY NIGHT
* SKY/WEATHER........MOSTLY CLEAR.
* CHC OF THUNDER.....0 PERCENT.
* MIN TEMPERATURE....57-64.
24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......59-67 PERCENT.
24 HR TREND......15 PERCENT DOWN.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTHWEST 4 TO 5 MPH SHIFTING TO THE
SOUTHEAST 4 TO 6 MPH AFTER MIDNIGHT.
RIDGES/UPR SLOPES....WEST 4 TO 6 MPH SHIFTING TO THE SOUTHEAST
AFTER MIDNIGHT. GUSTS UP TO 15 MPH.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......300-1300 FT AGL.
* TRANSPORT WINDS....WEST AROUND 10 MPH SHIFTING TO THE SOUTH AFTER
MIDNIGHT.
FRIDAY
* SKY/WEATHER........SUNNY.
* CHC OF THUNDER.....0 PERCENT.
* MAX TEMPERATURE....88-95 VALLEYS AND 80-87 RIDGES.
24 HR TREND......5 DEGREES UP.
* MIN HUMIDITY.......21-29 PERCENT VALLEYS AND 25-31 PERCENT
RIDGES.
24 HR TREND......9 PERCENT DOWN.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTHEAST 4 TO 6 MPH SHIFTING TO THE
SOUTHWEST 5 TO 8 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....SOUTHEAST 4 TO 7 MPH SHIFTING TO THE
SOUTHWEST 5 TO 8 MPH IN THE AFTERNOON.
GUSTS UP TO 15 MPH.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......12500-13500 FT AGL.
* TRANSPORT WINDS....SOUTHWEST 10 TO 15 MPH.
FORECAST DAYS 3 THROUGH 7...
SATURDAY
PARTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 60 TO 67. HIGHS 86 TO 93. SOUTH WINDS 10 TO 15 MPH WITH
GUSTS TO AROUND 25 MPH.
SUNDAY
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 60 TO 67. HIGHS 86 TO 93. SOUTH WINDS 10 TO
15 MPH WITH GUSTS TO AROUND 25 MPH.
MONDAY
MOSTLY CLEAR. LOWS 59 TO 66. HIGHS 86 TO 93. WEST WINDS
5 TO 10 MPH WITH GUSTS TO AROUND 25 MPH.
TUESDAY
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 80S.
WEDNESDAY
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 80S.
.OUTLOOK FOR JULY 30 TO AUGUST 5: ABOVE NORMAL TEMPERATURES AND
NEAR TO BELOW NORMAL PRECIPITATION.
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