369
FNUS55 KPIH 021934
FWFPIH
FIRE WEATHER PLANNING FORECAST FOR SOUTHEAST IDAHO
NATIONAL WEATHER SERVICE POCATELLO ID
134 PM MDT WED SEP 2 2026
DISCUSSION
* CENTRAL IDAHO DISPATCH AREA WEATHER IMPACT SUMMARY (ZONES 475
AND 476)...
SHOWERS AND A FEW THUNDERSTORMS WILL PERSIST ACROSS THE CENTRAL MOUNTAINS THROUGH
SATURDAY. THE BEST CHANCE OF WETTING RAINS, AND POTENTIALLY LOCALLY HEAVIER RAINFALL
WILL LATER THURSDAY INTO EARLY FRIDAY. SHOWERS AND THUNDERSTORMS INCREASE SUNDAY
AND MONDAY AS LOW PRESSURE SWINGS ACROSS IDAHO. WETTING RAINS ARE EXPECTED,
WITH MORE EXACT AMOUNTS DEPENDENT ON HOW MUCH MOISTURE FROM MARIE WORKS NORTH INTO
IDAHO.
* EAST IDAHO DISPATCH AREA WEATHER IMPACT SUMMARY (ZONES 410...411
AND 413)...
...NEAR CRITICAL FIRE CONDITIONS THROUGH THIS EVENING AND AGAIN THURSDAY...
MOSTLY DRY CONDITIONS ARE EXPECTED THROUGH SATURDAY. GUSTY WINDS WILL PERSIST
THROUGH THIS EVENING AND REDEVELOP THURSDAY AFTERNOON. AFTERNOON HUMIDITY WILL
BE NEAR 15 PERCENT ACROSS LOWER ELEVATIONS DURING BOTH TIMEFRAMES. ISOLATED SHOWERS
OR STORMS ARE POSSIBLE, BUT ANY POTENTIAL IS GOING BE 15 PERCENT OR LESS AND VERY
SPORADIC. SHOWERS AND THUNDERSTORMS INCREASE SUNDAY AND MONDAY. WETTING RAINS ARE
EXPECTED, WITH RAINFALL AMOUNTS DEPENDENT ON HOW MUCH MOISTURE FROM MARIE WORKS NORTH
INTO IDAHO.
* SOUTH CENTRAL IDAHO DISPATCH AREA WEATHER IMPACT SUMMARY (ZONES
422...425 AND 427)...
...NEAR CRITICAL FIRE CONDITIONS THROUGH THIS EVENING AND AGAIN THURSDAY...
MOSTLY DRY CONDITIONS ARE EXPECTED THROUGH SATURDAY. GUSTY WINDS WILL PERSIST
THROUGH THIS EVENING AND REDEVELOP THURSDAY AFTERNOON. AFTERNOON HUMIDITY WILL
BE NEAR 15 PERCENT ACROSS LOWER ELEVATIONS TODAY AND ZONE 427 TOMORROW. SHOWERS
AND A FEW STORMS ARE POSSIBLE ACROSS MAINLY ZONE 422 WITH THE BEST CHANCE OF WETTING
RAINS LATER TOMORROW THROUGH EARLY FRIDAY. SHOWERS AND THUNDERSTORMS INCREASE SUNDAY
AND MONDAY, WITH RAINFALL AMOUNTS DEPENDENT ON HOW MUCH MOISTURE FROM MARIE WORKS NORTH
INTO IDAHO.
IDZ475-031045-
EAST SALMON RIVER MOUNTAINS/SALMON NF-
134 PM MDT WED SEP 2 2026
TONIGHT
* SKY/WEATHER........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS
AFTER MIDNIGHT.
* CHC OF THUNDER.....0 PERCENT.
* MIN TEMPERATURE....37-44.
24 HR TREND......3 DEGREES DOWN.
* MAX HUMIDITY.......72-80 PERCENT VALLEYS AND 78-86 PERCENT
RIDGES.
24 HR TREND......7 PERCENT DOWN.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTHWEST 9 TO 14 MPH.
RIDGES/UPR SLOPES....SOUTHWEST 10 TO 15 MPH WITH GUSTS TO
AROUND 25 MPH.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......400-1400 FT AGL.
* TRANSPORT WINDS....SOUTHWEST AROUND 15 MPH.
THURSDAY
* SKY/WEATHER........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS THROUGH
THE DAY. SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON.
* CHC OF THUNDER.....20 PERCENT.
* MAX TEMPERATURE....55-62 VALLEYS AND 45-52 RIDGES.
24 HR TREND......4 DEGREES DOWN.
* MIN HUMIDITY.......44-52 PERCENT VALLEYS AND 50-58 PERCENT
RIDGES.
24 HR TREND......20 PERCENT UP.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTH 7 TO 12 MPH.
RIDGES/UPR SLOPES....SOUTH 7 TO 12 MPH WITH GUSTS TO AROUND 25
MPH.
* CHC WETTING RAIN...10 PERCENT.
* MIXING HEIGHT......5500-6500 FT AGL.
* TRANSPORT WINDS....SOUTH 15 TO 20 MPH.
THURSDAY NIGHT
* SKY/WEATHER........CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS.
* CHC OF THUNDER.....15 PERCENT.
* MIN TEMPERATURE....38-45.
24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......84-92 PERCENT.
24 HR TREND......10 PERCENT UP.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTHWEST 4 TO 8 MPH.
RIDGES/UPR SLOPES....SOUTHWEST 4 TO 9 MPH WITH GUSTS TO AROUND
20 MPH.
* CHC WETTING RAIN...60 PERCENT.
* MIXING HEIGHT......300-1300 FT AGL.
* TRANSPORT WINDS....SOUTHWEST 10 TO 15 MPH.
FRIDAY
* SKY/WEATHER........CLOUDY. CHANCE OF SHOWERS THROUGH THE DAY. SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
* CHC OF THUNDER.....20 PERCENT.
* MAX TEMPERATURE....57-64 VALLEYS AND 47-54 RIDGES.
24 HR TREND......2 DEGREES UP.
* MIN HUMIDITY.......43-51 PERCENT VALLEYS AND 48-56 PERCENT
RIDGES.
24 HR TREND......3 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...40 PERCENT.
* MIXING HEIGHT......7250-8250 FT AGL.
* TRANSPORT WINDS....SOUTHWEST 10 TO 15 MPH.
FORECAST DAYS 3 THROUGH 7...
SATURDAY
RAIN LIKELY. LOWS 37 TO 44. HIGHS 61 TO 68. SOUTHWEST
WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 20 MPH.
SUNDAY
PARTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS. LOWS 39 TO 46. HIGHS 63 TO 70. SOUTH WINDS 5 TO
10 MPH WITH GUSTS TO AROUND 20 MPH.
LABOR DAY
COOLER. SHOWERS LIKELY AND SLIGHT CHANCE OF
THUNDERSTORMS. LOWS 41 TO 48. HIGHS 53 TO 60. WEST WINDS 5 TO
10 MPH WITH GUSTS TO AROUND 20 MPH.
TUESDAY
PARTLY CLOUDY. CHANCE OF RAIN. LOWS IN THE LOWER 40S.
HIGHS IN THE UPPER 50S.
WEDNESDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN. LOWS IN
THE LOWER 40S. HIGHS IN THE MID 60S.
IDZ476-031045-
LEMHI AND LOST RIVER RANGE/CHALLIS NF-
134 PM MDT WED SEP 2 2026
TONIGHT
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT.
* CHC OF THUNDER.....0 PERCENT.
* MIN TEMPERATURE....37-44.
24 HR TREND......4 DEGREES DOWN.
* MAX HUMIDITY.......66-74 PERCENT.
24 HR TREND......8 PERCENT DOWN.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTH 10 TO 20 MPH.
RIDGES/UPR SLOPES....SOUTHWEST 10 TO 20 MPH WITH GUSTS TO
AROUND 30 MPH.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......500-1500 FT AGL.
* TRANSPORT WINDS....SOUTHWEST 15 TO 20 MPH.
THURSDAY
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* CHC OF THUNDER.....0 PERCENT.
* MAX TEMPERATURE....60-67 VALLEYS AND 49-56 RIDGES.
24 HR TREND......4 DEGREES DOWN.
* MIN HUMIDITY.......33-41 PERCENT VALLEYS AND 40-48 PERCENT
RIDGES.
24 HR TREND......11 PERCENT UP.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTH 8 TO 18 MPH.
RIDGES/UPR SLOPES....SOUTH 9 TO 19 MPH WITH GUSTS TO AROUND 30
MPH.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......7000-8000 FT AGL.
* TRANSPORT WINDS....SOUTHWEST AROUND 15 MPH INCREASING TO SOUTH
AROUND 25 MPH IN THE AFTERNOON.
THURSDAY NIGHT
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
CHANCE OF RAIN SHOWERS AFTER MIDNIGHT.
* CHC OF THUNDER.....0 PERCENT.
* MIN TEMPERATURE....38-45.
24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......72-80 PERCENT VALLEYS AND 68-76 PERCENT
RIDGES.
24 HR TREND......4 PERCENT UP.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTH 12 TO 17 MPH.
RIDGES/UPR SLOPES....SOUTH 12 TO 17 MPH WITH GUSTS TO AROUND 30
MPH.
* CHC WETTING RAIN...10 PERCENT.
* MIXING HEIGHT......200-1200 FT AGL.
* TRANSPORT WINDS....SOUTHWEST 10 TO 15 MPH.
FRIDAY
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
CHANCE OF SHOWERS. SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON.
* CHC OF THUNDER.....20 PERCENT.
* MAX TEMPERATURE....62-69 VALLEYS AND 51-58 RIDGES.
24 HR TREND......2 DEGREES UP.
* MIN HUMIDITY.......32-40 PERCENT VALLEYS AND 40-48 PERCENT
RIDGES.
24 HR TREND......LITTLE CHANGE.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTHWEST 11 TO 16 MPH.
RIDGES/UPR SLOPES....SOUTHWEST 12 TO 17 MPH. GUSTS UP TO 20 MPH
INCREASING TO 30 MPH IN THE AFTERNOON.
* CHC WETTING RAIN...10 PERCENT.
* MIXING HEIGHT......8000-9000 FT AGL.
* TRANSPORT WINDS....SOUTHWEST AROUND 10 MPH INCREASING TO AROUND
20 MPH IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
SATURDAY
RAIN LIKELY. LOWS 38 TO 45. HIGHS 61 TO 68. SOUTHWEST
WINDS 10 TO 20 MPH WITH GUSTS TO AROUND 30 MPH.
SUNDAY
MOSTLY CLEAR. LOWS 40 TO 47. HIGHS 63 TO 70. SOUTH
WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 30 MPH.
LABOR DAY
SHOWERS LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS.
LOWS 42 TO 49. HIGHS 54 TO 61. SOUTHWEST WINDS 10 TO 15 MPH WITH
GUSTS TO AROUND 25 MPH.
TUESDAY
PARTLY CLOUDY. CHANCE OF RAIN. LOWS IN THE LOWER 40S.
HIGHS IN THE UPPER 50S.
WEDNESDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN. LOWS IN
THE LOWER 40S. HIGHS IN THE LOWER 60S.
IDZ422-031045-
SAWTOOTH RANGE/NORTHERN SAWTOOTH NF-
134 PM MDT WED SEP 2 2026
TONIGHT
* SKY/WEATHER........MOSTLY CLOUDY. CHANCE OF SHOWERS AFTER
MIDNIGHT.
* CHC OF THUNDER.....0 PERCENT.
* MIN TEMPERATURE....37-44.
24 HR TREND......4 DEGREES DOWN.
* MAX HUMIDITY.......78-86 PERCENT VALLEYS AND 85-93 PERCENT
RIDGES.
24 HR TREND......4 PERCENT UP.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTHWEST 12 TO 17 MPH.
RIDGES/UPR SLOPES....SOUTHWEST 13 TO 18 MPH WITH GUSTS TO
AROUND 30 MPH.
* CHC WETTING RAIN...10 PERCENT.
* MIXING HEIGHT......400-1400 FT AGL.
* TRANSPORT WINDS....SOUTHWEST 15 TO 20 MPH.
THURSDAY
* SKY/WEATHER........MOSTLY CLOUDY. CHANCE OF SHOWERS IN THE
MORNING. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON.
* CHC OF THUNDER.....15 PERCENT.
* MAX TEMPERATURE....59-66 VALLEYS AND 45-52 RIDGES.
24 HR TREND......3 DEGREES DOWN.
* MIN HUMIDITY.......34-42 PERCENT VALLEYS AND 53-61 PERCENT
RIDGES.
24 HR TREND......14 PERCENT UP.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTHWEST 10 TO 15 MPH.
RIDGES/UPR SLOPES....SOUTH 10 TO 15 MPH WITH GUSTS TO AROUND 25
MPH.
* CHC WETTING RAIN...10 PERCENT.
* MIXING HEIGHT......6500-7500 FT AGL.
* TRANSPORT WINDS....SOUTHWEST 15 TO 20 MPH.
THURSDAY NIGHT
* SKY/WEATHER........CLOUDY. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
IN THE EVENING. RAIN SHOWERS LIKELY AND A SLIGHT CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT.
* CHC OF THUNDER.....20 PERCENT.
* MIN TEMPERATURE....37-44.
24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......79-87 PERCENT VALLEYS AND 85-93 PERCENT
RIDGES.
24 HR TREND......LITTLE CHANGE.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTH 6 TO 9 MPH SHIFTING TO THE WEST 4 TO
6 MPH AFTER MIDNIGHT.
RIDGES/UPR SLOPES....SOUTHWEST 9 TO 14 MPH WITH GUSTS TO AROUND
30 MPH.
* CHC WETTING RAIN...30 PERCENT.
* MIXING HEIGHT......300-1300 FT AGL.
* TRANSPORT WINDS....SOUTHWEST 10 TO 15 MPH.
FRIDAY
* SKY/WEATHER........MOSTLY CLOUDY. SHOWERS LIKELY. SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON.
* CHC OF THUNDER.....20 PERCENT.
* MAX TEMPERATURE....59-66 VALLEYS AND 46-53 RIDGES.
24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......38-46 PERCENT VALLEYS AND 51-59 PERCENT
RIDGES.
24 HR TREND......4 PERCENT UP.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTHWEST 6 TO 11 MPH.
RIDGES/UPR SLOPES....SOUTHWEST 7 TO 12 MPH WITH GUSTS TO AROUND
25 MPH.
* CHC WETTING RAIN...10 PERCENT.
* MIXING HEIGHT......6000-7000 FT AGL.
* TRANSPORT WINDS....SOUTHWEST AROUND 10 MPH INCREASING TO AROUND
20 MPH IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
SATURDAY
PARTLY CLOUDY. CHANCE OF SHOWERS. LOWS 36 TO 43.
HIGHS 60 TO 67. SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO AROUND
20 MPH.
SUNDAY
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN. LOWS 40 TO 47.
HIGHS 62 TO 69. SOUTHEAST WINDS 10 TO 15 MPH WITH GUSTS TO AROUND
20 MPH.
LABOR DAY
SHOWERS LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS.
LOWS 40 TO 47. HIGHS 53 TO 60. SOUTHWEST WINDS 10 TO 15 MPH WITH
GUSTS TO AROUND 30 MPH.
TUESDAY
PARTLY CLOUDY WITH CHANCE OF RAIN. LOWS IN THE UPPER
30S. HIGHS AROUND 60.
WEDNESDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN. LOWS IN
THE LOWER 40S. HIGHS IN THE MID 60S.
IDZ425-031045-
MIDDLE SNAKE RIVER VALLEY/TWIN FALLS BLM NORTH OF THE SNAKE RIVER-
134 PM MDT WED SEP 2 2026
TONIGHT
* SKY/WEATHER........MOSTLY CLOUDY.
* CHC OF THUNDER.....0 PERCENT.
* MIN TEMPERATURE....AROUND 47.
24 HR TREND......7 DEGREES DOWN.
* MAX HUMIDITY.......74-82 PERCENT.
24 HR TREND......LITTLE CHANGE.
* 20FT WINDS.........WEST WINDS 12 TO 17 MPH WITH GUSTS TO AROUND
30 MPH.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......200-1200 FT AGL.
* TRANSPORT WINDS....WEST 10 TO 15 MPH.
THURSDAY
* SKY/WEATHER........PARTLY CLOUDY.
* CHC OF THUNDER.....0 PERCENT.
* MAX TEMPERATURE....72-77.
24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......24-32 PERCENT.
24 HR TREND......7 PERCENT UP.
* 20FT WINDS.........SOUTHWEST WINDS 7 TO 12 MPH WITH GUSTS TO
AROUND 20 MPH.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......9500-10500 FT AGL.
* TRANSPORT WINDS....SOUTHWEST 10 TO 15 MPH.
THURSDAY NIGHT
* SKY/WEATHER........PARTLY CLOUDY.
* CHC OF THUNDER.....0 PERCENT.
* MIN TEMPERATURE....AROUND 45.
24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......89-97 PERCENT.
24 HR TREND......20 PERCENT UP.
* 20FT WINDS.........WEST WINDS 7 TO 12 MPH WITH GUSTS TO AROUND 20
MPH.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......200-1200 FT AGL.
* TRANSPORT WINDS....WEST AROUND 15 MPH.
FRIDAY
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
* CHC OF THUNDER.....0 PERCENT.
* MAX TEMPERATURE....70-75.
24 HR TREND......3 DEGREES DOWN.
* MIN HUMIDITY.......37-45 PERCENT.
24 HR TREND......13 PERCENT UP.
* 20FT WINDS.........WEST WINDS 5 TO 10 MPH WITH GUSTS TO AROUND 20
MPH.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......6000-7000 FT AGL.
* TRANSPORT WINDS....WEST AROUND 10 MPH.
FORECAST DAYS 3 THROUGH 7...
SATURDAY
MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS IN THE UPPER
70S. WEST WINDS 5 TO 10 MPH WITH GUSTS TO AROUND 20 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE UPPER
70S. SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 20 MPH.
LABOR DAY
COOLER. MOSTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. LOWS AROUND 50. HIGHS IN THE UPPER 60S.
SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO AROUND 30 MPH.
TUESDAY
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN. LOWS IN THE MID
40S. HIGHS IN THE LOWER 70S.
WEDNESDAY
MOSTLY CLEAR WITH SLIGHT CHANCE OF RAIN. LOWS IN THE
UPPER 40S. HIGHS IN THE MID 70S.
IDZ427-031045-
GOOSE CREEK AND RAFT RIVER VALLEY/SOUTHERN SAWTOOTH NF/TWIN FALLS
BLM SOUTH OF THE SNAKE RIVER-
134 PM MDT WED SEP 2 2026
TONIGHT
* SKY/WEATHER........MOSTLY CLOUDY.
* CHC OF THUNDER.....0 PERCENT.
* MIN TEMPERATURE....45-51.
24 HR TREND......4 DEGREES DOWN.
* MAX HUMIDITY.......60-68 PERCENT VALLEYS AND 45-53 PERCENT
RIDGES.
24 HR TREND......4 PERCENT UP.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...WEST 9 TO 14 MPH.
RIDGES/UPR SLOPES....WEST 9 TO 14 MPH WITH GUSTS TO AROUND 20
MPH.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......200-1200 FT AGL.
* TRANSPORT WINDS....WEST 10 TO 15 MPH.
THURSDAY
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
* CHC OF THUNDER.....0 PERCENT.
* MAX TEMPERATURE....69-76.
24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......21-29 PERCENT VALLEYS AND 17-24 PERCENT
RIDGES.
24 HR TREND......5 PERCENT UP.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTH 11 TO 16 MPH.
RIDGES/UPR SLOPES....SOUTH 12 TO 17 MPH. GUSTS UP TO 15 MPH
INCREASING TO 25 MPH IN THE AFTERNOON.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......9500-10500 FT AGL.
* TRANSPORT WINDS....SOUTHWEST AROUND 10 MPH INCREASING TO SOUTH
AROUND 20 MPH IN THE AFTERNOON.
THURSDAY NIGHT
* SKY/WEATHER........PARTLY CLOUDY.
* CHC OF THUNDER.....0 PERCENT.
* MIN TEMPERATURE....42-49.
24 HR TREND......2 DEGREES DOWN.
* MAX HUMIDITY.......82-90 PERCENT VALLEYS AND 75-83 PERCENT
RIDGES.
24 HR TREND......27 PERCENT UP.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTH 9 TO 14 MPH SHIFTING TO THE WEST 6
TO 11 MPH AFTER MIDNIGHT.
RIDGES/UPR SLOPES....SOUTH 9 TO 14 MPH SHIFTING TO THE
NORTHWEST 6 TO 9 MPH AFTER MIDNIGHT. GUSTS
UP TO 20 MPH.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......300-1300 FT AGL.
* TRANSPORT WINDS....SOUTHWEST AROUND 15 MPH SHIFTING TO THE
NORTHWEST AFTER MIDNIGHT.
FRIDAY
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
* CHC OF THUNDER.....0 PERCENT.
* MAX TEMPERATURE....67-74.
24 HR TREND......3 DEGREES DOWN.
* MIN HUMIDITY.......36-44 PERCENT VALLEYS AND 30-38 PERCENT
RIDGES.
24 HR TREND......13 PERCENT UP.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...NORTHWEST 6 TO 11 MPH.
RIDGES/UPR SLOPES....NORTHWEST 7 TO 12 MPH. GUSTS UP TO 15 MPH
INCREASING TO 25 MPH IN THE AFTERNOON.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......8750-9750 FT AGL.
* TRANSPORT WINDS....NORTHWEST AROUND 10 MPH SHIFTING TO THE
SOUTHWEST IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
SATURDAY
BREEZY, CLEAR. LOWS 43 TO 50. HIGHS 70 TO 77. WEST
WINDS 15 TO 25 MPH WITH GUSTS TO AROUND 30 MPH.
SUNDAY
MOSTLY CLEAR. LOWS 47 TO 54. HIGHS 70 TO 77. SOUTH
WINDS 10 TO 20 MPH WITH GUSTS TO AROUND 30 MPH.
LABOR DAY
MOSTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS. LOWS 48 TO 55. HIGHS 62 TO 69. SOUTHWEST WINDS
10 TO 20 MPH WITH GUSTS TO AROUND 30 MPH.
TUESDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS IN THE
UPPER 40S. HIGHS IN THE UPPER 60S.
WEDNESDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. HIGHS IN THE LOWER 70S.
IDZ410-031045-
UPPER SNAKE RIVER VALLEY/IDAHO FALLS BLM-
134 PM MDT WED SEP 2 2026
TONIGHT
* SKY/WEATHER........MOSTLY CLOUDY.
* CHC OF THUNDER.....0 PERCENT.
* MIN TEMPERATURE....42-48.
24 HR TREND......6 DEGREES DOWN.
* MAX HUMIDITY.......64-72 PERCENT.
24 HR TREND......14 PERCENT DOWN.
* 20FT WINDS.........SOUTHWEST WINDS 11 TO 21 MPH. GUSTS UP TO 30
MPH DECREASING TO 20 MPH AFTER MIDNIGHT.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......400-1400 FT AGL.
* TRANSPORT WINDS....SOUTHWEST 10 TO 15 MPH.
THURSDAY
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
* CHC OF THUNDER.....0 PERCENT.
* MAX TEMPERATURE....67-74.
24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......21-29 PERCENT.
24 HR TREND......3 PERCENT UP.
* 20FT WINDS.........SOUTH WINDS 11 TO 16 MPH WITH GUSTS TO AROUND
25 MPH.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......9250-10250 FT AGL.
* TRANSPORT WINDS....SOUTHWEST AROUND 10 MPH INCREASING TO SOUTH
AROUND 20 MPH IN THE AFTERNOON.
THURSDAY NIGHT
* SKY/WEATHER........PARTLY CLOUDY.
* CHC OF THUNDER.....0 PERCENT.
* MIN TEMPERATURE....43-50.
24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......73-81 PERCENT.
24 HR TREND......9 PERCENT UP.
* 20FT WINDS.........SOUTH WINDS 8 TO 13 MPH. GUSTS UP TO 20 MPH
INCREASING TO 30 MPH AFTER MIDNIGHT.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......200-1200 FT AGL.
* TRANSPORT WINDS....SOUTH 10 TO 15 MPH.
FRIDAY
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING SUNNY.
* CHC OF THUNDER.....0 PERCENT.
* MAX TEMPERATURE....69-76.
24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......27-35 PERCENT.
24 HR TREND......8 PERCENT UP.
* 20FT WINDS.........SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO
AROUND 25 MPH.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......9000-10000 FT AGL.
* TRANSPORT WINDS....SOUTHWEST AROUND 15 MPH.
FORECAST DAYS 3 THROUGH 7...
SATURDAY
CLEAR. LOWS 42 TO 49. HIGHS 71 TO 78. SOUTHWEST WINDS
10 TO 15 MPH WITH GUSTS TO AROUND 25 MPH.
SUNDAY
MOSTLY CLEAR. LOWS 45 TO 52. HIGHS 72 TO 79. SOUTH
WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 25 MPH.
LABOR DAY
COOLER. RAIN LIKELY AND CHANCE OF THUNDERSTORMS.
LOWS 47 TO 52. HIGHS 62 TO 69. SOUTH WINDS 10 TO 20 MPH WITH
GUSTS TO AROUND 30 MPH.
TUESDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS IN THE UPPER 60S.
WEDNESDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN. LOWS IN
THE MID 40S. HIGHS IN THE LOWER 70S.
IDZ411-031045-
CENTENNIAL MOUNTAINS AND SNAKE RIVER RANGE/TARGHEE NF-
134 PM MDT WED SEP 2 2026
TONIGHT
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY. SLIGHT
CHANCE OF RAIN SHOWERS AFTER MIDNIGHT.
* CHC OF THUNDER.....0 PERCENT.
* MIN TEMPERATURE....39-46.
24 HR TREND......5 DEGREES DOWN.
* MAX HUMIDITY.......72-80 PERCENT VALLEYS AND 52-60 PERCENT
RIDGES.
24 HR TREND......16 PERCENT DOWN.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTH 17 TO 22 MPH.
RIDGES/UPR SLOPES....SOUTH 17 TO 22 MPH WITH GUSTS TO AROUND 30
MPH.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......400-1400 FT AGL.
* TRANSPORT WINDS....SOUTHWEST 10 TO 15 MPH.
THURSDAY
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
* CHC OF THUNDER.....0 PERCENT.
* MAX TEMPERATURE....66-72 VALLEYS AND 59-66 RIDGES.
24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......21-29 PERCENT VALLEYS AND 25-33 PERCENT
RIDGES.
24 HR TREND......5 PERCENT UP.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTHWEST 12 TO 17 MPH.
RIDGES/UPR SLOPES....SOUTHWEST 12 TO 17 MPH WITH GUSTS TO
AROUND 30 MPH.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......8500-9500 FT AGL.
* TRANSPORT WINDS....SOUTH AROUND 10 MPH INCREASING TO SOUTHWEST
AROUND 25 MPH IN THE AFTERNOON.
THURSDAY NIGHT
* SKY/WEATHER........PARTLY CLOUDY.
* CHC OF THUNDER.....0 PERCENT.
* MIN TEMPERATURE....42-49.
24 HR TREND......3 DEGREES UP.
* MAX HUMIDITY.......66-74 PERCENT VALLEYS AND 49-57 PERCENT
RIDGES.
24 HR TREND......4 PERCENT DOWN.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTHEAST 9 TO 14 MPH.
RIDGES/UPR SLOPES....SOUTHEAST 9 TO 14 MPH WITH GUSTS TO AROUND
30 MPH.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......400-1400 FT AGL.
* TRANSPORT WINDS....SOUTH AROUND 15 MPH.
FRIDAY
* SKY/WEATHER........MOSTLY SUNNY.
* CHC OF THUNDER.....0 PERCENT.
* MAX TEMPERATURE....68-74 VALLEYS AND 61-68 RIDGES.
24 HR TREND......2 DEGREES UP.
* MIN HUMIDITY.......30-38 PERCENT.
24 HR TREND......5 PERCENT UP.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTHWEST 10 TO 15 MPH.
RIDGES/UPR SLOPES....SOUTHWEST 10 TO 15 MPH WITH GUSTS TO
AROUND 30 MPH.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......9500-10500 FT AGL.
* TRANSPORT WINDS....SOUTH 15 TO 20 MPH.
FORECAST DAYS 3 THROUGH 7...
SATURDAY
CLEAR. LOWS 41 TO 48. HIGHS 63 TO 70. SOUTHEAST WINDS
10 TO 20 MPH WITH GUSTS TO AROUND 30 MPH.
SUNDAY
MOSTLY CLEAR. LOWS 43 TO 50. HIGHS 64 TO 71. SOUTHEAST
WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 30 MPH.
LABOR DAY
COOLER. SHOWERS LIKELY AND SLIGHT CHANCE OF
THUNDERSTORMS. LOWS 44 TO 51. HIGHS 54 TO 61. SOUTH WINDS 10 TO
15 MPH WITH GUSTS TO AROUND 25 MPH.
TUESDAY
PARTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 40S. HIGHS IN THE UPPER 50S.
WEDNESDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE LOWER 40S. HIGHS IN THE LOWER 60S.
IDZ413-031045-
CARIBOU RANGE/CARIBOU NF-
134 PM MDT WED SEP 2 2026
TONIGHT
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
* CHC OF THUNDER.....0 PERCENT.
* MIN TEMPERATURE....42-49.
24 HR TREND......7 DEGREES DOWN.
* MAX HUMIDITY.......51-59 PERCENT VALLEYS AND 41-49 PERCENT
RIDGES.
24 HR TREND......12 PERCENT DOWN.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTHWEST 7 TO 12 MPH SHIFTING TO THE
NORTH 4 TO 5 MPH AFTER MIDNIGHT.
RIDGES/UPR SLOPES....SOUTHWEST 8 TO 13 MPH. GUSTS UP TO 20 MPH
IN THE EVENING.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......400-1400 FT AGL.
* TRANSPORT WINDS....SOUTHWEST AROUND 10 MPH IN THE EVENING
BECOMING LIGHT.
THURSDAY
* SKY/WEATHER........SUNNY.
* CHC OF THUNDER.....0 PERCENT.
* MAX TEMPERATURE....71-78 VALLEYS AND 64-71 RIDGES.
24 HR TREND......2 DEGREES UP.
* MIN HUMIDITY.......17 PERCENT.
24 HR TREND......2 PERCENT DOWN.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTH 11 TO 16 MPH.
RIDGES/UPR SLOPES....SOUTH 11 TO 16 MPH. GUSTS UP TO 15 MPH
INCREASING TO 25 MPH IN THE AFTERNOON.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......9000-10000 FT AGL.
* TRANSPORT WINDS....LIGHT WINDS BECOMING SOUTH AROUND 20 MPH IN
THE AFTERNOON.
THURSDAY NIGHT
* SKY/WEATHER........MOSTLY CLEAR.
* CHC OF THUNDER.....0 PERCENT.
* MIN TEMPERATURE....46-53.
24 HR TREND......4 DEGREES UP.
* MAX HUMIDITY.......55-63 PERCENT VALLEYS AND 41-49 PERCENT
RIDGES.
24 HR TREND......2 PERCENT UP.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTH 10 TO 15 MPH.
RIDGES/UPR SLOPES....SOUTH 11 TO 16 MPH WITH GUSTS TO AROUND 30
MPH.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......400-1400 FT AGL.
* TRANSPORT WINDS....SOUTH AROUND 15 MPH.
FRIDAY
* SKY/WEATHER........SUNNY.
* CHC OF THUNDER.....0 PERCENT.
* MAX TEMPERATURE....70-77.
24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......22-30 PERCENT.
24 HR TREND......8 PERCENT UP.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTHWEST 11 TO 16 MPH.
RIDGES/UPR SLOPES....SOUTHWEST 11 TO 16 MPH WITH GUSTS TO
AROUND 30 MPH.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......9750-10750 FT AGL.
* TRANSPORT WINDS....SOUTHWEST AROUND 10 MPH INCREASING TO AROUND
20 MPH IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
SATURDAY
CLEAR. LOWS 45 TO 52. HIGHS 71 TO 78. SOUTH WINDS
10 TO 20 MPH WITH GUSTS TO AROUND 35 MPH.
SUNDAY
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 49 TO 56. HIGHS 69 TO 76. SOUTHEAST WINDS
10 TO 20 MPH WITH GUSTS TO AROUND 25 MPH.
LABOR DAY
RAIN LIKELY AND CHANCE OF THUNDERSTORMS. LOWS 48 TO
55. HIGHS 61 TO 68. SOUTH WINDS 10 TO 15 MPH WITH GUSTS TO AROUND
25 MPH.
TUESDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS IN THE MID 60S.
WEDNESDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN. LOWS IN
THE MID 40S. HIGHS IN THE UPPER 60S.
.OUTLOOK FOR SEPTEMBER 9TH-15TH: NEAR AVERAGE TEMPERATURES AND ABOVE AVERAGE
PRECIPITATION.
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