086
FNUS55 KPIH 231921
FWFPIH
FIRE WEATHER PLANNING FORECAST FOR SOUTHEAST IDAHO
NATIONAL WEATHER SERVICE POCATELLO ID
121 PM MDT THU JUL 23 2026
DISCUSSION
* CENTRAL IDAHO DISPATCH AREA WEATHER IMPACT SUMMARY (ZONES 475
AND 476)...
ISOLATED THUNDERSTORMS REMAIN IN THE FORECAST FOR THE AFTERNOON AND
EVENING, BUT IT WILL BE MUCH DRIER THAN YESTERDAY AS HIGH PRESSURE
BEGINS TO BUILD OVER THE AREA AGAIN TODAY. FRIDAY WILL BE NEARLY A
REPEAT OF TODAY WITH AFTERNOON WIND GUSTS INCREASING TO 20 TO 25
MPH, PUSHING US INTO NEAR-CRITICAL FIRE WEATHER CONDITIONS. ISOLATED
STORMS CONTINUE ON SATURDAY AS WIND GUSTS INCREASE AGAIN.
* EAST IDAHO DISPATCH AREA WEATHER IMPACT SUMMARY (ZONES 410...411
AND 413)...
ISOLATED THUNDERSTORMS REMAIN IN THE FORECAST FOR THE AFTERNOON AND
EVENING, BUT IT WILL BE MUCH DRIER THAN YESTERDAY AS HIGH PRESSURE
BEGINS TO BUILD OVER THE AREA AGAIN TODAY. FRIDAY WILL BE NEARLY A
REPEAT OF TODAY WITH AFTERNOON WIND GUSTS INCREASING TO 20 TO 25
MPH, PUSHING US INTO NEAR-CRITICAL FIRE WEATHER CONDITIONS. ISOLATED
TO SCATTERED STORMS CONTINUE ON SATURDAY AS WIND GUSTS INCREASE
AGAIN.
* SOUTH CENTRAL IDAHO DISPATCH AREA WEATHER IMPACT SUMMARY (ZONES
422...425 AND 427)...
ISOLATED THUNDERSTORMS REMAIN IN THE FORECAST FOR THE AFTERNOON AND
EVENING, BUT IT WILL BE MUCH DRIER THAN YESTERDAY AS HIGH PRESSURE
BEGINS TO BUILD OVER THE AREA AGAIN TODAY. FRIDAY WILL BE NEARLY A
REPEAT OF TODAY WITH AFTERNOON WIND GUSTS INCREASING TO 20 TO 25
MPH, PUSHING US INTO NEAR-CRITICAL FIRE WEATHER CONDITIONS. ISOLATED
TO SCATTERED STORMS CONTINUE ON SATURDAY AS WIND GUSTS INCREASE
AGAIN.
IDZ475-241015-
EAST SALMON RIVER MOUNTAINS/SALMON NF-
121 PM MDT THU JUL 23 2026
TONIGHT
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING CLEAR. SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
EVENING. PATCHY SMOKE THROUGH THE NIGHT.
* CHC OF THUNDER.....10 PERCENT.
* MIN TEMPERATURE....54-61.
24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......54-62 PERCENT VALLEYS AND 47-55 PERCENT
RIDGES.
24 HR TREND......10 PERCENT DOWN.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...WEST 4 TO 6 MPH SHIFTING TO THE SOUTH 4 TO
5 MPH AFTER MIDNIGHT.
RIDGES/UPR SLOPES....WEST 5 TO 8 MPH WITH GUSTS TO AROUND 15
MPH SHIFTING TO THE SOUTH 4 TO 6 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........SUNNY.
* CHC OF THUNDER.....0 PERCENT.
* MAX TEMPERATURE....85-92 VALLEYS AND 75-82 RIDGES.
24 HR TREND......5 DEGREES UP.
* MIN HUMIDITY.......15-23 PERCENT.
24 HR TREND......11 PERCENT DOWN.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTHWEST 10 TO 15 MPH.
RIDGES/UPR SLOPES....SOUTHWEST 11 TO 16 MPH WITH GUSTS TO
AROUND 25 MPH.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......11750-12750 FT AGL.
* TRANSPORT WINDS....SOUTH AROUND 10 MPH INCREASING TO SOUTHWEST
AROUND 25 MPH IN THE AFTERNOON.
FRIDAY NIGHT
* SKY/WEATHER........CLEAR.
* CHC OF THUNDER.....0 PERCENT.
* MIN TEMPERATURE....56-63.
24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......45-53 PERCENT.
24 HR TREND......6 PERCENT DOWN.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTHWEST 10 TO 15 MPH SHIFTING TO THE
SOUTH 4 TO 6 MPH AFTER MIDNIGHT.
RIDGES/UPR SLOPES....SOUTHWEST 11 TO 16 MPH.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......200-1200 FT AGL.
* TRANSPORT WINDS....SOUTHWEST 10 TO 15 MPH.
SATURDAY
* SKY/WEATHER........MOSTLY SUNNY.
* CHC OF THUNDER.....0 PERCENT.
* MAX TEMPERATURE....84-91 VALLEYS AND 74-81 RIDGES.
24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......13-18 PERCENT VALLEYS AND 14-22 PERCENT
RIDGES.
24 HR TREND......3 PERCENT DOWN.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTH 4 TO 6 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 30 MPH IN THE AFTERNOON.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......13000-14000 FT AGL.
* TRANSPORT WINDS....SOUTH AROUND 10 MPH INCREASING TO SOUTHWEST
AROUND 25 MPH IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
SUNDAY
CLEAR. LOWS 52 TO 59. 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 30 MPH.
TUESDAY
CLEAR. LOWS 51 TO 58. HIGHS 78 TO 85. SOUTHWEST WINDS
10 TO 15 MPH WITH GUSTS TO AROUND 25 MPH.
WEDNESDAY
CLEAR. LOWS IN THE MID 50S. HIGHS IN THE LOWER 80S.
THURSDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE
LOWER 80S.
IDZ476-241015-
LEMHI AND LOST RIVER RANGE/CHALLIS NF-
121 PM MDT THU JUL 23 2026
TONIGHT
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING CLEAR.
* CHC OF THUNDER.....0 PERCENT.
* MIN TEMPERATURE....53-60.
24 HR TREND......2 DEGREES UP.
* MAX HUMIDITY.......53-61 PERCENT.
24 HR TREND......14 PERCENT DOWN.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...WEST 4 TO 6 MPH SHIFTING TO THE SOUTH 4 TO
5 MPH AFTER MIDNIGHT.
RIDGES/UPR SLOPES....SOUTHWEST 4 TO 6 MPH.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......400-1400 FT AGL.
* TRANSPORT WINDS....LIGHT WINDS.
FRIDAY
* SKY/WEATHER........MOSTLY SUNNY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON.
* CHC OF THUNDER.....10 PERCENT.
* MAX TEMPERATURE....85-92 VALLEYS AND 74-81 RIDGES.
24 HR TREND......6 DEGREES UP.
* MIN HUMIDITY.......16-24 PERCENT VALLEYS AND 22-30 PERCENT
RIDGES.
24 HR TREND......14 PERCENT DOWN.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTHWEST 11 TO 16 MPH.
RIDGES/UPR SLOPES....SOUTHWEST 12 TO 17 MPH.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......12250-13250 FT AGL.
* TRANSPORT WINDS....SOUTHWEST AROUND 10 MPH INCREASING TO AROUND
20 MPH IN THE AFTERNOON.
FRIDAY NIGHT
* SKY/WEATHER........MOSTLY CLEAR.
* CHC OF THUNDER.....0 PERCENT.
* MIN TEMPERATURE....55-62.
24 HR TREND......2 DEGREES UP.
* MAX HUMIDITY.......50-58 PERCENT.
24 HR TREND......4 PERCENT DOWN.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTH 10 TO 15 MPH.
RIDGES/UPR SLOPES....SOUTH 10 TO 15 MPH.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......300-1300 FT AGL.
* TRANSPORT WINDS....SOUTHWEST AROUND 10 MPH.
SATURDAY
* SKY/WEATHER........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
AFTERNOON.
* CHC OF THUNDER.....20 PERCENT.
* MAX TEMPERATURE....86-93 VALLEYS AND 74-81 RIDGES.
24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......15-23 PERCENT VALLEYS AND 20-28 PERCENT
RIDGES.
24 HR TREND......LITTLE CHANGE.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTH 12 TO 17 MPH.
RIDGES/UPR SLOPES....SOUTH 12 TO 17 MPH. GUSTS UP TO 20 MPH
INCREASING TO 30 MPH IN THE AFTERNOON.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......13000-14000 FT AGL.
* TRANSPORT WINDS....SOUTH AROUND 10 MPH INCREASING TO SOUTHWEST
AROUND 20 MPH IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
SUNDAY
MOSTLY CLEAR. LOWS 53 TO 60. HIGHS 80 TO 87. SOUTHWEST
WINDS 10 TO 20 MPH WITH GUSTS TO AROUND 30 MPH.
MONDAY
MOSTLY CLEAR. LOWS 52 TO 59. HIGHS 79 TO 86. SOUTHWEST
WINDS 10 TO 20 MPH WITH GUSTS TO AROUND 30 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 51 TO 58. HIGHS 78 TO 85. SOUTHWEST
WINDS 10 TO 20 MPH WITH GUSTS TO AROUND 30 MPH.
WEDNESDAY
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE MID 50S. HIGHS IN THE LOWER 80S.
THURSDAY
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE LOWER 80S.
IDZ422-241015-
SAWTOOTH RANGE/NORTHERN SAWTOOTH NF-
121 PM MDT THU JUL 23 2026
TONIGHT
* SKY/WEATHER........MOSTLY CLEAR.
* CHC OF THUNDER.....0 PERCENT.
* MIN TEMPERATURE....54-61.
24 HR TREND......2 DEGREES UP.
* MAX HUMIDITY.......49-57 PERCENT.
24 HR TREND......15 PERCENT DOWN.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...WEST 4 TO 7 MPH SHIFTING TO THE NORTH 4 TO
6 MPH AFTER MIDNIGHT.
RIDGES/UPR SLOPES....WEST 4 TO 7 MPH WITH GUSTS TO AROUND 15
MPH SHIFTING TO THE SOUTHWEST 4 TO 6 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........SUNNY.
* CHC OF THUNDER.....0 PERCENT.
* MAX TEMPERATURE....87-94 VALLEYS AND 74-81 RIDGES.
24 HR TREND......5 DEGREES UP.
* MIN HUMIDITY.......18-26 PERCENT VALLEYS AND 24-31 PERCENT
RIDGES.
24 HR TREND......8 PERCENT DOWN.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTHEAST 4 TO 6 MPH SHIFTING TO THE
SOUTHWEST 6 TO 11 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....SOUTHWEST 8 TO 13 MPH WITH GUSTS TO AROUND
25 MPH.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......12750-13750 FT AGL.
* TRANSPORT WINDS....SOUTH AROUND 10 MPH INCREASING TO SOUTHWEST
AROUND 20 MPH IN THE AFTERNOON.
FRIDAY NIGHT
* SKY/WEATHER........MOSTLY CLEAR.
* CHC OF THUNDER.....0 PERCENT.
* MIN TEMPERATURE....55-62.
24 HR TREND......2 DEGREES UP.
* MAX HUMIDITY.......49-57 PERCENT.
24 HR TREND......LITTLE CHANGE.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...WEST 5 TO 8 MPH SHIFTING TO THE NORTHEAST
4 TO 6 MPH AFTER MIDNIGHT.
RIDGES/UPR SLOPES....SOUTHWEST 7 TO 10 MPH SHIFTING TO THE
SOUTHEAST 6 TO 9 MPH AFTER MIDNIGHT. GUSTS
UP TO 20 MPH.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......200-1200 FT AGL.
* TRANSPORT WINDS....SOUTHWEST AROUND 10 MPH SHIFTING TO THE
SOUTHEAST AFTER MIDNIGHT.
SATURDAY
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
* CHC OF THUNDER.....0 PERCENT.
* MAX TEMPERATURE....86-93 VALLEYS AND 74-81 RIDGES.
24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......14-22 PERCENT VALLEYS AND 20-27 PERCENT
RIDGES.
24 HR TREND......4 PERCENT DOWN.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...EAST 4 TO 6 MPH SHIFTING TO THE SOUTHWEST
10 TO 15 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....SOUTH 10 TO 15 MPH. GUSTS UP TO 15 MPH
INCREASING TO 25 MPH IN THE AFTERNOON.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......12000-13000 FT AGL.
* TRANSPORT WINDS....SOUTH AROUND 10 MPH INCREASING TO SOUTHWEST
AROUND 20 MPH IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
SUNDAY
MOSTLY CLEAR. LOWS 53 TO 60. HIGHS 79 TO 86. WEST 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
20 MPH WITH GUSTS TO AROUND 30 MPH.
TUESDAY
CLEAR. LOWS 51 TO 58. HIGHS 78 TO 85. WEST WINDS 10 TO
20 MPH WITH GUSTS TO AROUND 30 MPH.
WEDNESDAY
MOSTLY CLEAR. SLIGHT CHANCE OF RAIN. LOWS IN THE MID
50S. HIGHS IN THE LOWER 80S.
THURSDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE MID
80S.
IDZ425-241015-
MIDDLE SNAKE RIVER VALLEY/TWIN FALLS BLM NORTH OF THE SNAKE RIVER-
121 PM MDT THU JUL 23 2026
TONIGHT
* SKY/WEATHER........MOSTLY CLEAR.
* CHC OF THUNDER.....0 PERCENT.
* MIN TEMPERATURE....AROUND 65.
24 HR TREND......3 DEGREES UP.
* MAX HUMIDITY.......53-61 PERCENT.
24 HR TREND......16 PERCENT DOWN.
* 20FT WINDS.........WEST WINDS 4 TO 7 MPH WITH GUSTS TO AROUND 15
MPH SHIFTING TO THE EAST 4 TO 6 MPH AFTER
MIDNIGHT.
* 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........MOSTLY SUNNY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON.
* CHC OF THUNDER.....10 PERCENT.
* MAX TEMPERATURE....AROUND 99.
24 HR TREND......5 DEGREES UP.
* MIN HUMIDITY.......19-27 PERCENT.
24 HR TREND......3 PERCENT DOWN.
* 20FT WINDS.........EAST WINDS 4 TO 6 MPH SHIFTING TO THE
SOUTHWEST 5 TO 10 MPH WITH GUSTS TO AROUND 20
MPH IN THE AFTERNOON.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......13250-14250 FT AGL.
* TRANSPORT WINDS....SOUTHEAST AROUND 10 MPH SHIFTING TO THE
SOUTHWEST IN THE AFTERNOON.
FRIDAY NIGHT
* SKY/WEATHER........PARTLY CLOUDY.
* CHC OF THUNDER.....0 PERCENT.
* MIN TEMPERATURE....63-69.
24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......57-65 PERCENT.
24 HR TREND......3 PERCENT UP.
* 20FT WINDS.........SOUTH WINDS 4 TO 8 MPH SHIFTING TO THE EAST 4
TO 6 MPH AFTER MIDNIGHT. GUSTS UP TO 20 MPH.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......200-1200 FT AGL.
* TRANSPORT WINDS....SOUTH AROUND 10 MPH.
SATURDAY
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
* CHC OF THUNDER.....0 PERCENT.
* MAX TEMPERATURE....AROUND 98.
24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......17-25 PERCENT.
24 HR TREND......3 PERCENT DOWN.
* 20FT WINDS.........EAST WINDS 4 TO 6 MPH SHIFTING TO THE
SOUTHWEST 9 TO 14 MPH WITH GUSTS TO AROUND 30
MPH IN THE AFTERNOON.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......12250-13250 FT AGL.
* TRANSPORT WINDS....SOUTHEAST AROUND 10 MPH INCREASING TO
SOUTHWEST AROUND 20 MPH IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
SUNDAY
MOSTLY CLEAR. LOWS IN THE MID 60S. HIGHS IN THE UPPER
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 15 MPH WITH GUSTS TO AROUND 30 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE MID
90S. WEST WINDS 10 TO 20 MPH WITH GUSTS TO AROUND 30 MPH.
WEDNESDAY
MOSTLY CLEAR. SLIGHT CHANCE OF RAIN. LOWS IN THE
LOWER 60S. HIGHS IN THE MID 90S.
THURSDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE
UPPER 90S.
IDZ427-241015-
GOOSE CREEK AND RAFT RIVER VALLEY/SOUTHERN SAWTOOTH NF/TWIN FALLS
BLM SOUTH OF THE SNAKE RIVER-
121 PM MDT THU JUL 23 2026
TONIGHT
* SKY/WEATHER........MOSTLY CLEAR.
* CHC OF THUNDER.....0 PERCENT.
* MIN TEMPERATURE....63-70.
24 HR TREND......3 DEGREES UP.
* MAX HUMIDITY.......44-52 PERCENT.
24 HR TREND......11 PERCENT DOWN.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTHWEST 4 TO 6 MPH SHIFTING TO THE SOUTH
6 TO 9 MPH AFTER MIDNIGHT.
RIDGES/UPR SLOPES....NORTH 4 TO 6 MPH SHIFTING TO THE SOUTH 5
TO 10 MPH AFTER MIDNIGHT. GUSTS UP TO 15
MPH.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......100-1100 FT AGL.
* TRANSPORT WINDS....WEST 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....94-99 VALLEYS AND 87-94 RIDGES.
24 HR TREND......5 DEGREES UP.
* MIN HUMIDITY.......21-29 PERCENT.
24 HR TREND......2 PERCENT DOWN.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTHWEST 6 TO 11 MPH.
RIDGES/UPR SLOPES....SOUTHWEST 7 TO 12 MPH WITH GUSTS TO AROUND
20 MPH.
* CHC WETTING RAIN...10 PERCENT.
* MIXING HEIGHT......12500-13500 FT AGL.
* TRANSPORT WINDS....SOUTH 10 TO 15 MPH.
FRIDAY NIGHT
* SKY/WEATHER........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING.
* CHC OF THUNDER.....20 PERCENT.
* MIN TEMPERATURE....64-71.
24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......47-55 PERCENT.
24 HR TREND......LITTLE CHANGE.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTH 5 TO 10 MPH.
RIDGES/UPR SLOPES....SOUTH 6 TO 11 MPH WITH GUSTS TO AROUND 20
MPH.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......200-1200 FT AGL.
* TRANSPORT WINDS....SOUTH AROUND 10 MPH.
SATURDAY
* SKY/WEATHER........PARTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
* CHC OF THUNDER.....20 PERCENT.
* MAX TEMPERATURE....93-98 VALLEYS AND 86-93 RIDGES.
24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......22-30 PERCENT.
24 HR TREND......2 PERCENT UP.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTHWEST 7 TO 12 MPH.
RIDGES/UPR SLOPES....SOUTHWEST 8 TO 13 MPH WITH GUSTS TO AROUND
20 MPH.
* CHC WETTING RAIN...10 PERCENT.
* MIXING HEIGHT......12000-13000 FT AGL.
* TRANSPORT WINDS....SOUTHWEST AROUND 15 MPH.
FORECAST DAYS 3 THROUGH 7...
SUNDAY
MOSTLY CLEAR. LOWS 62 TO 69. HIGHS 88 TO 95. SOUTHWEST
WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 20 MPH.
MONDAY
PARTLY CLOUDY. LOWS 61 TO 68. HIGHS 86 TO 93. WEST
WINDS 5 TO 10 MPH WITH GUSTS TO AROUND 20 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 60 TO 67. HIGHS 86 TO 93. WEST
WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 20 MPH.
WEDNESDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE LOWER 90S.
THURSDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE LOWER 90S.
IDZ410-241015-
UPPER SNAKE RIVER VALLEY/IDAHO FALLS BLM-
121 PM MDT THU JUL 23 2026
TONIGHT
* SKY/WEATHER........MOSTLY CLEAR.
* CHC OF THUNDER.....0 PERCENT.
* MIN TEMPERATURE....56-63.
24 HR TREND......2 DEGREES UP.
* MAX HUMIDITY.......62-70 PERCENT.
24 HR TREND......12 PERCENT DOWN.
* 20FT WINDS.........SOUTHWEST WINDS 4 TO 6 MPH SHIFTING TO THE
NORTHEAST WITH GUSTS TO AROUND 15 MPH AFTER
MIDNIGHT.
* 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....90-97.
24 HR TREND......8 DEGREES UP.
* MIN HUMIDITY.......19-27 PERCENT.
24 HR TREND......14 PERCENT DOWN.
* 20FT WINDS.........EAST WINDS 4 TO 6 MPH SHIFTING TO THE
SOUTHWEST 6 TO 11 MPH IN THE AFTERNOON. GUSTS
UP TO 20 MPH.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......12750-13750 FT AGL.
* TRANSPORT WINDS....LIGHT WINDS BECOMING SOUTHWEST AROUND 15 MPH
IN THE AFTERNOON.
FRIDAY NIGHT
* SKY/WEATHER........PARTLY CLOUDY.
* CHC OF THUNDER.....0 PERCENT.
* MIN TEMPERATURE....57-64.
24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......57-65 PERCENT.
24 HR TREND......5 PERCENT DOWN.
* 20FT WINDS.........SOUTH WINDS 6 TO 9 MPH SHIFTING TO THE EAST 4
TO 6 MPH AFTER MIDNIGHT. GUSTS UP TO 20 MPH.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......300-1300 FT AGL.
* TRANSPORT WINDS....SOUTH AROUND 10 MPH.
SATURDAY
* SKY/WEATHER........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON.
* CHC OF THUNDER.....20 PERCENT.
* MAX TEMPERATURE....89-96.
24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......23-31 PERCENT.
24 HR TREND......4 PERCENT UP.
* 20FT WINDS.........EAST WINDS 4 TO 6 MPH WITH GUSTS TO AROUND 15
MPH SHIFTING TO THE SOUTHWEST 10 TO 15 MPH
WITH GUSTS TO AROUND 25 MPH IN THE AFTERNOON.
* CHC WETTING RAIN...10 PERCENT.
* MIXING HEIGHT......12250-13250 FT AGL.
* TRANSPORT WINDS....SOUTHEAST AROUND 10 MPH INCREASING TO
SOUTHWEST AROUND 20 MPH IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
SUNDAY
MOSTLY CLEAR. LOWS 57 TO 64. HIGHS 90 TO 97. 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 15 MPH WITH GUSTS TO AROUND 30 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 56 TO 62. HIGHS 88 TO 95. SOUTHWEST
WINDS 10 TO 20 MPH WITH GUSTS TO AROUND 30 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE
LOWER 90S.
THURSDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE
LOWER 90S.
IDZ411-241015-
CENTENNIAL MOUNTAINS AND SNAKE RIVER RANGE/TARGHEE NF-
121 PM MDT THU JUL 23 2026
TONIGHT
* SKY/WEATHER........MOSTLY CLEAR. PATCHY SMOKE.
* CHC OF THUNDER.....0 PERCENT.
* MIN TEMPERATURE....54-61.
24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......74-82 PERCENT VALLEYS AND 63-71 PERCENT
RIDGES.
24 HR TREND......12 PERCENT DOWN.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTHWEST AROUND 4 MPH SHIFTING TO THE
EAST AFTER MIDNIGHT.
RIDGES/UPR SLOPES....WEST 4 TO 6 MPH WITH GUSTS TO AROUND 15
MPH SHIFTING TO THE SOUTHEAST 4 TO 5 MPH
AFTER MIDNIGHT.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......400-1400 FT AGL.
* TRANSPORT WINDS....LIGHT WINDS.
FRIDAY
* SKY/WEATHER........SUNNY. PATCHY SMOKE IN THE MORNING.
* CHC OF THUNDER.....0 PERCENT.
* MAX TEMPERATURE....AROUND 90 VALLEYS AND 79-86 RIDGES.
24 HR TREND......7 DEGREES UP.
* MIN HUMIDITY.......23-28 PERCENT VALLEYS AND 25-33 PERCENT
RIDGES.
24 HR TREND......19 PERCENT DOWN.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTHWEST 4 TO 9 MPH.
RIDGES/UPR SLOPES....SOUTHWEST 4 TO 9 MPH WITH GUSTS TO AROUND
20 MPH.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......10250-11250 FT AGL.
* TRANSPORT WINDS....SOUTHWEST 10 TO 15 MPH.
FRIDAY NIGHT
* SKY/WEATHER........PARTLY CLOUDY.
* CHC OF THUNDER.....0 PERCENT.
* MIN TEMPERATURE....55-62.
24 HR TREND......2 DEGREES UP.
* MAX HUMIDITY.......63-71 PERCENT VALLEYS AND 54-62 PERCENT
RIDGES.
24 HR TREND......9 PERCENT DOWN.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTH 4 TO 5 MPH SHIFTING TO THE EAST
AROUND 4 MPH AFTER MIDNIGHT.
RIDGES/UPR SLOPES....SOUTH 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....SOUTH AROUND 10 MPH.
SATURDAY
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
AFTERNOON.
* CHC OF THUNDER.....50 PERCENT.
* MAX TEMPERATURE....AROUND 90 VALLEYS AND 79-86 RIDGES.
24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......32-40 PERCENT.
24 HR TREND......9 PERCENT UP.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...EAST 4 TO 5 MPH SHIFTING TO THE SOUTHWEST
5 TO 8 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....SOUTHEAST 4 TO 6 MPH WITH GUSTS TO AROUND
15 MPH SHIFTING TO THE SOUTHWEST 7 TO 12
MPH WITH GUSTS TO AROUND 25 MPH IN THE
AFTERNOON.
* CHC WETTING RAIN...10 PERCENT.
* MIXING HEIGHT......9000-10000 FT AGL.
* TRANSPORT WINDS....SOUTH AROUND 10 MPH INCREASING TO SOUTHWEST
AROUND 20 MPH IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
SUNDAY
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS. LOWS 55 TO 62.
HIGHS 80 TO 87. SOUTH WINDS 10 TO 15 MPH WITH GUSTS TO AROUND
30 MPH.
MONDAY
PARTLY CLOUDY. LOWS 55 TO 62. HIGHS 79 TO 86. SOUTH
WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 25 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 54 TO 61. HIGHS 79 TO 86. SOUTH
WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 25 MPH.
WEDNESDAY
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE LOWER 80S.
THURSDAY
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE LOWER 80S.
IDZ413-241015-
CARIBOU RANGE/CARIBOU NF-
121 PM MDT THU JUL 23 2026
TONIGHT
* SKY/WEATHER........CLEAR.
* CHC OF THUNDER.....0 PERCENT.
* MIN TEMPERATURE....57-64.
24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......57-65 PERCENT.
24 HR TREND......12 PERCENT DOWN.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...WEST 4 TO 6 MPH SHIFTING TO THE SOUTHEAST
AFTER MIDNIGHT.
RIDGES/UPR SLOPES....WEST 4 TO 6 MPH SHIFTING TO THE SOUTH 4 TO
7 MPH AFTER MIDNIGHT. GUSTS UP TO 15 MPH.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......400-1400 FT AGL.
* TRANSPORT WINDS....LIGHT WINDS.
FRIDAY
* SKY/WEATHER........SUNNY THEN BECOMING PARTLY CLOUDY. SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
AFTERNOON.
* CHC OF THUNDER.....20 PERCENT.
* MAX TEMPERATURE....89-96 VALLEYS AND 81-88 RIDGES.
24 HR TREND......7 DEGREES UP.
* MIN HUMIDITY.......21-29 PERCENT.
24 HR TREND......11 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....SOUTH 4 TO 7 MPH SHIFTING TO THE SOUTHWEST
5 TO 8 MPH IN THE AFTERNOON. GUSTS UP TO
15 MPH.
* CHC WETTING RAIN...10 PERCENT.
* MIXING HEIGHT......11500-12500 FT AGL.
* TRANSPORT WINDS....SOUTHWEST 10 TO 15 MPH.
FRIDAY NIGHT
* SKY/WEATHER........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING.
* CHC OF THUNDER.....20 PERCENT.
* MIN TEMPERATURE....59-66.
24 HR TREND......3 DEGREES UP.
* MAX HUMIDITY.......47-55 PERCENT.
24 HR TREND......10 PERCENT DOWN.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTH 4 TO 6 MPH SHIFTING TO THE SOUTHEAST
AFTER MIDNIGHT.
RIDGES/UPR SLOPES....SOUTH 4 TO 8 MPH WITH GUSTS TO AROUND 15
MPH.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......300-1300 FT AGL.
* TRANSPORT WINDS....SOUTH AROUND 10 MPH.
SATURDAY
* SKY/WEATHER........PARTLY CLOUDY. CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON.
* CHC OF THUNDER.....30 PERCENT.
* MAX TEMPERATURE....89-96 VALLEYS AND 81-88 RIDGES.
24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......24-32 PERCENT VALLEYS AND 28-36 PERCENT
RIDGES.
24 HR TREND......5 PERCENT UP.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTHEAST 4 TO 7 MPH SHIFTING TO THE
SOUTHWEST 8 TO 13 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....SOUTHEAST 6 TO 9 MPH WITH GUSTS TO AROUND
15 MPH SHIFTING TO THE SOUTHWEST 8 TO 13
MPH WITH GUSTS TO AROUND 25 MPH IN THE
AFTERNOON.
* CHC WETTING RAIN...10 PERCENT.
* MIXING HEIGHT......11500-12500 FT AGL.
* TRANSPORT WINDS....SOUTH AROUND 10 MPH INCREASING TO SOUTHWEST
AROUND 20 MPH IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
SUNDAY
MOSTLY CLEAR. LOWS 60 TO 67. HIGHS 87 TO 94. SOUTH
WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 25 MPH.
MONDAY
PARTLY CLOUDY. LOWS 60 TO 67. HIGHS 86 TO 93. WEST
WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 25 MPH.
TUESDAY
PARTLY CLOUDY. LOWS 58 TO 65. HIGHS 85 TO 92. WEST
WINDS 5 TO 10 MPH WITH GUSTS TO AROUND 20 MPH.
WEDNESDAY
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 80S.
THURSDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 80S.
.OUTLOOK FOR JULY 31 TO AUGUST 6: ABOVE NORMAL TEMPERATURES AND
BELOW NORMAL PRECIPITATION.
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