425  
FNUS55 KPIH 222024  
FWFPIH  
 
FIRE WEATHER PLANNING FORECAST FOR SOUTHEAST IDAHO  
NATIONAL WEATHER SERVICE POCATELLO ID  
224 PM MDT FRI JUN 22 2018  
   
DISCUSSION
 
 
* CENTRAL IDAHO DISPATCH AREA WEATHER IMPACT SUMMARY (ZONES 475  
AND 476)...  
 
SHOWERS AND ISOLATED THUNDERSTORMS WILL CONTINUE OVER THE CENTRAL  
MOUNTAINS THIS EVENING AS AN UPPER DISTURBANCE DROPS INTO THE AREA  
FROM THE NORTHWEST. MOST OF THIS ACTIVITY WILL MOVE TO THE  
SOUTHEAST BY LATE TOMORROW AFTERNOON. SUNDAY AND MONDAY SHOULD BE  
WARM AND DRY, WHILE A DRY COLD FRONT IS EXPECTED ON MONDAY, AND  
WILL BRING SOME WINDS GUSTING TO AROUND 30 MPH.  
 
* EAST IDAHO DISPATCH AREA WEATHER IMPACT SUMMARY (ZONES 410...411  
AND 413)...  
 
SHOWERS AND ISOLATED THUNDERSTORMS WILL DRIFT IN FROM THE CENTRAL  
MOUNTAINS THIS EVENING AS AN UPPER DISTURBANCE DROPS INTO THE AREA  
FROM THE NORTHWEST. MOST OF THIS ACTIVITY WILL MOVE TO THE  
SOUTHEAST BY LATE TOMORROW EVENING. SUNDAY AND MONDAY SHOULD BE  
WARM AND DRY, WHILE A DRY COLD FRONT IS EXPECTED ON MONDAY, AND  
WILL BRING SOME WINDS GUSTING TO AROUND 30 MPH.  
 
* SOUTH CENTRAL IDAHO DISPATCH AREA WEATHER IMPACT SUMMARY (ZONES  
422...425 AND 427)...  
 
DRY CONDITIONS ARE EXPECTED OVERALL DESPITE A COUPLE DISTURBANCES  
PASSING THROUGH THE AREA. THE FIRST DISTURBANCE TOMORROW MORNING  
WILL DROP IN FROM THE NORTHWEST, AND A SECOND ON MONDAY. WHILE NO  
THUNDER IS EXPECTED FROM THESE SYSTEMS, THE DISPATCH AREA WILL  
SEE WIND GUSTS TO AROUND 30 MPH AND HUMIDITIES IN THE TEENS AS WE  
HEAD INTO THE MIDDLE OF NEXT WEEK.  
 
IDZ475-231030-  
EAST SALMON RIVER MOUNTAINS/SALMON NF-  
224 PM MDT FRI JUN 22 2018  
   
TONIGHT
 
 
* SKY/WEATHER........PARTLY CLOUDY. CHANCE OF RAIN SHOWERS AND  
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING. SLIGHT CHANCE OF  
RAIN SHOWERS AFTER MIDNIGHT.  
* MIN TEMPERATURE....41-48 VALLEYS AND 36-41 RIDGES.  
24 HR TREND......DOWN 3.  
* MAX HUMIDITY.......86-94 PERCENT.  
24 HR TREND......DOWN 3.  
* 20FT WINDS.........  
VALLEYS/LWR SLOPES...NORTHWEST 5 TO 8 MPH.  
RIDGES/UPR SLOPES....WEST 5 TO 10 MPH. GUSTS UP TO 20 MPH IN  
* THE EVENING.  
* CHC WETTING RAIN...10 PERCENT.  
* LAL................2, THEN 1 AFTER MIDNIGHT.  
* HAINES INDEX.......3.  
* MIXING HEIGHT......400-1400 FT AGL.  
* TRANSPORT WINDS....WEST AROUND 15 MPH IN THE EVENING BECOMING  
LIGHT.  
   
SATURDAY
 
 
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.  
CHANCE OF RAIN SHOWERS THROUGH THE DAY. SLIGHT CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE....55-62.  
24 HR TREND......DOWN 8.  
* MIN HUMIDITY.......43-51 PERCENT VALLEYS AND 48-56 PERCENT  
RIDGES.  
24 HR TREND......UP 9.  
* 20FT WINDS.........  
VALLEYS/LWR SLOPES...NORTHWEST 4 TO 7 MPH.  
RIDGES/UPR SLOPES....NORTHWEST 4 TO 9 MPH. GUSTS UP TO 15 MPH  
* IN THE AFTERNOON.  
* CHC WETTING RAIN...20 PERCENT.  
* LAL................1, THEN 2 IN THE AFTERNOON.  
* HAINES INDEX.......3.  
* MIXING HEIGHT......8250-9250 FT AGL.  
* TRANSPORT WINDS....LIGHT WINDS BECOMING NORTHWEST AROUND 15 MPH  
IN THE AFTERNOON.  
   
SATURDAY NIGHT
 
 
* SKY/WEATHER........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING.  
* MIN TEMPERATURE....40-47 VALLEYS AND AROUND 38 RIDGES.  
24 HR TREND......LITTLE CHANGE.  
* MAX HUMIDITY.......86-94 PERCENT.  
24 HR TREND......LITTLE CHANGE.  
* 20FT WINDS.........  
VALLEYS/LWR SLOPES...NORTH 5 TO 8 MPH.  
RIDGES/UPR SLOPES....NORTH 5 TO 10 MPH. GUSTS UP TO 15 MPH IN  
* THE EVENING.  
* CHC WETTING RAIN...20 PERCENT.  
* LAL................2, THEN 1 AFTER MIDNIGHT.  
* HAINES INDEX.......3.  
* MIXING HEIGHT......500-1500 FT AGL.  
* TRANSPORT WINDS....NORTHWEST AROUND 15 MPH IN THE EVENING  
BECOMING LIGHT.  
   
SUNDAY
 
 
* SKY/WEATHER........MOSTLY SUNNY.  
* MAX TEMPERATURE....70-77 VALLEYS AND 62-69 RIDGES.  
24 HR TREND......UP 12.  
* MIN HUMIDITY.......33-41 PERCENT.  
24 HR TREND......DOWN 11.  
* 20FT WINDS.........  
VALLEYS/LWR SLOPES...NORTHWEST UP TO 3 MPH SHIFTING TO THE  
* NORTHEAST IN THE AFTERNOON.  
RIDGES/UPR SLOPES....NORTH 3 TO 4 MPH SHIFTING TO THE EAST IN  
* THE AFTERNOON.  
* CHC WETTING RAIN...0 PERCENT.  
* LAL................1.  
* HAINES INDEX.......3.  
* MIXING HEIGHT......8750-9750 FT AGL.  
* TRANSPORT WINDS....LIGHT WINDS.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
MONDAY
 
CLEAR. LOWS 43 TO 50. HIGHS 68 TO 75. SOUTH WINDS 5 TO  
10 MPH WITH GUSTS TO AROUND 20 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS 43 TO 50. HIGHS 68 TO 75. WEST  
WINDS 10 TO 20 MPH WITH GUSTS TO AROUND 25 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. LOWS 38 TO 45. HIGHS 66 TO 73. WEST  
WINDS 5 TO 10 MPH WITH GUSTS TO AROUND 15 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS IN THE UPPER  
60S.    
FRIDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS. LOWS IN  
THE MID 40S. HIGHS IN THE MID 60S.  
 

 
 
IDZ476-231030-  
LEMHI AND LOST RIVER RANGE/CHALLIS NF-  
224 PM MDT FRI JUN 22 2018  
   
TONIGHT
 
 
* SKY/WEATHER........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING.  
* MIN TEMPERATURE....39-46.  
24 HR TREND......LITTLE CHANGE.  
* MAX HUMIDITY.......83-91 PERCENT.  
24 HR TREND......DOWN 3.  
* 20FT WINDS.........  
VALLEYS/LWR SLOPES...NORTHWEST 5 TO 10 MPH.  
RIDGES/UPR SLOPES....WEST 7 TO 12 MPH WITH GUSTS TO AROUND 20  
* MPH.  
* CHC WETTING RAIN...0 PERCENT.  
* LAL................2, THEN 1 AFTER MIDNIGHT.  
* HAINES INDEX.......3.  
* MIXING HEIGHT......300-1300 FT AGL.  
* TRANSPORT WINDS....WEST AROUND 15 MPH IN THE EVENING BECOMING  
LIGHT.  
   
SATURDAY
 
 
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.  
CHANCE OF RAIN SHOWERS THROUGH THE DAY. SLIGHT CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE....60-67 VALLEYS AND 51-58 RIDGES.  
24 HR TREND......DOWN 8.  
* MIN HUMIDITY.......37-45 PERCENT VALLEYS AND 45-53 PERCENT  
RIDGES.  
24 HR TREND......UP 8.  
* 20FT WINDS.........  
VALLEYS/LWR SLOPES...NORTHWEST 5 TO 10 MPH.  
RIDGES/UPR SLOPES....NORTHWEST 7 TO 12 MPH. GUSTS UP TO 20 MPH  
* IN THE AFTERNOON.  
* CHC WETTING RAIN...10 PERCENT.  
* LAL................1, THEN 2 IN THE AFTERNOON.  
* HAINES INDEX.......3.  
* MIXING HEIGHT......9250-10250 FT AGL.  
* TRANSPORT WINDS....LIGHT WINDS BECOMING NORTHWEST AROUND 15 MPH  
IN THE AFTERNOON.  
   
SATURDAY NIGHT
 
 
* SKY/WEATHER........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING.  
* MIN TEMPERATURE....37-44.  
24 HR TREND......DOWN 2.  
* MAX HUMIDITY.......85-93 PERCENT.  
24 HR TREND......UP 2.  
* 20FT WINDS.........  
VALLEYS/LWR SLOPES...NORTH 7 TO 12 MPH.  
RIDGES/UPR SLOPES....NORTH 9 TO 14 MPH WITH GUSTS TO AROUND 20  
* MPH.  
* CHC WETTING RAIN...0 PERCENT.  
* LAL................2, THEN 1 AFTER MIDNIGHT.  
* HAINES INDEX.......3.  
* MIXING HEIGHT......300-1300 FT AGL.  
* TRANSPORT WINDS....NORTHWEST 10 TO 15 MPH.  
   
SUNDAY
 
 
* SKY/WEATHER........MOSTLY SUNNY.  
* MAX TEMPERATURE....69-76 VALLEYS AND 60-67 RIDGES.  
24 HR TREND......UP 9.  
* MIN HUMIDITY.......31-39 PERCENT VALLEYS AND 38-46 PERCENT  
RIDGES.  
24 HR TREND......DOWN 6.  
* 20FT WINDS.........  
VALLEYS/LWR SLOPES...NORTHWEST 3 TO 6 MPH SHIFTING TO THE NORTH  
* 3 TO 4 MPH IN THE AFTERNOON.  
RIDGES/UPR SLOPES....NORTH 4 TO 7 MPH.  
* CHC WETTING RAIN...0 PERCENT.  
* LAL................1.  
* HAINES INDEX.......3.  
* MIXING HEIGHT......8000-9000 FT AGL.  
* TRANSPORT WINDS....LIGHT WINDS.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
MONDAY
 
CLEAR. LOWS 42 TO 49. HIGHS 68 TO 75. SOUTH WINDS 10 TO  
15 MPH WITH GUSTS TO AROUND 20 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS 45 TO 52. HIGHS 71 TO 78. SOUTHWEST  
WINDS 10 TO 20 MPH WITH GUSTS TO AROUND 25 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. LOWS 40 TO 47. HIGHS 69 TO 76. WEST  
WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 20 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE  
LOWER 70S.    
FRIDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS. LOWS IN  
THE MID 40S. HIGHS IN THE UPPER 60S.  
 

 
 
IDZ422-231030-  
SAWTOOTH RANGE/NORTHERN SAWTOOTH NF-  
224 PM MDT FRI JUN 22 2018  
   
TONIGHT
 
 
* SKY/WEATHER........MOSTLY CLEAR.  
* MIN TEMPERATURE....40-47.  
24 HR TREND......LITTLE CHANGE.  
* MAX HUMIDITY.......77-85 PERCENT.  
24 HR TREND......DOWN 5.  
* 20FT WINDS.........  
VALLEYS/LWR SLOPES...WEST 7 TO 12 MPH.  
RIDGES/UPR SLOPES....WEST 5 TO 10 MPH. GUSTS UP TO 20 MPH IN  
* THE EVENING.  
* CHC WETTING RAIN...0 PERCENT.  
* LAL................1.  
* HAINES INDEX.......3.  
* MIXING HEIGHT......900-1900 FT AGL.  
* TRANSPORT WINDS....WEST AROUND 20 MPH IN THE EVENING BECOMING  
LIGHT.  
   
SATURDAY
 
 
* SKY/WEATHER........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE....63-70 VALLEYS AND 54-61 RIDGES.  
24 HR TREND......DOWN 7.  
* MIN HUMIDITY.......27-35 PERCENT VALLEYS AND 35-43 PERCENT  
RIDGES.  
24 HR TREND......UP 4.  
* 20FT WINDS.........  
VALLEYS/LWR SLOPES...WEST 8 TO 13 MPH.  
RIDGES/UPR SLOPES....NORTHWEST 5 TO 10 MPH. GUSTS UP TO 15 MPH  
* IN THE AFTERNOON.  
* CHC WETTING RAIN...0 PERCENT.  
* LAL................1, THEN 2 IN THE AFTERNOON.  
* HAINES INDEX.......3.  
* MIXING HEIGHT......9250-10250 FT AGL.  
* TRANSPORT WINDS....NORTHWEST 10 TO 15 MPH.  
   
SATURDAY NIGHT
 
 
* SKY/WEATHER........MOSTLY CLEAR.  
* MIN TEMPERATURE....38-45.  
24 HR TREND......DOWN 2.  
* MAX HUMIDITY.......78-86 PERCENT.  
24 HR TREND......LITTLE CHANGE.  
* 20FT WINDS.........  
VALLEYS/LWR SLOPES...NORTH 5 TO 10 MPH.  
RIDGES/UPR SLOPES....NORTH 6 TO 11 MPH WITH GUSTS TO AROUND 20  
* MPH.  
* CHC WETTING RAIN...0 PERCENT.  
* LAL................1.  
* HAINES INDEX.......3.  
* MIXING HEIGHT......500-1500 FT AGL.  
* TRANSPORT WINDS....NORTH 10 TO 15 MPH.  
   
SUNDAY
 
 
* SKY/WEATHER........SUNNY.  
* MAX TEMPERATURE....69-76 VALLEYS AND 62-69 RIDGES.  
24 HR TREND......UP 7.  
* MIN HUMIDITY.......31-39 PERCENT.  
24 HR TREND......LITTLE CHANGE.  
* 20FT WINDS.........  
VALLEYS/LWR SLOPES...NORTHEAST 3 TO 6 MPH SHIFTING TO THE SOUTH  
* 3 TO 5 MPH IN THE AFTERNOON.  
RIDGES/UPR SLOPES....NORTHEAST 3 TO 6 MPH.  
* CHC WETTING RAIN...0 PERCENT.  
* LAL................1.  
* HAINES INDEX.......2.  
* MIXING HEIGHT......6250-7250 FT AGL.  
* TRANSPORT WINDS....LIGHT WINDS BECOMING SOUTHWEST AROUND 10 MPH  
IN THE AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
MONDAY
 
CLEAR. LOWS 43 TO 50. HIGHS 71 TO 78. SOUTHWEST WINDS  
5 TO 10 MPH WITH GUSTS TO AROUND 15 MPH.    
TUESDAY
 
CLEAR. LOWS 44 TO 51. HIGHS 71 TO 78. WEST WINDS 10 TO  
15 MPH WITH GUSTS TO AROUND 25 MPH.    
WEDNESDAY
 
CLEAR. LOWS 40 TO 47. HIGHS 70 TO 77. WEST WINDS  
10 TO 20 MPH WITH GUSTS TO AROUND 25 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS IN THE LOWER  
70S.    
FRIDAY
 
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS. LOWS IN THE MID  
40S. HIGHS IN THE UPPER 60S.  
 

 
 
IDZ425-231030-  
MIDDLE SNAKE RIVER VALLEY/TWIN FALLS BLM NORTH OF THE SNAKE RIVER-  
224 PM MDT FRI JUN 22 2018  
   
TONIGHT
 
 
* SKY/WEATHER........CLEAR.  
* MIN TEMPERATURE....49-54.  
24 HR TREND......LITTLE CHANGE.  
* MAX HUMIDITY.......73-81 PERCENT.  
24 HR TREND......DOWN 7.  
* 20FT WINDS.........WEST WINDS 9 TO 14 MPH WITH GUSTS TO AROUND 20  
MPH.  
* CHC WETTING RAIN...0 PERCENT.  
* LAL................1.  
* HAINES INDEX.......3.  
* MIXING HEIGHT......800-1800 FT AGL.  
* TRANSPORT WINDS....WEST AROUND 20 MPH DECREASING TO AROUND 10 MPH  
AFTER MIDNIGHT.  
   
SATURDAY
 
 
* SKY/WEATHER........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE....AROUND 73.  
24 HR TREND......DOWN 7.  
* MIN HUMIDITY.......25-30 PERCENT.  
24 HR TREND......UP 3.  
* 20FT WINDS.........WEST WINDS 9 TO 19 MPH WITH GUSTS TO AROUND 30  
MPH.  
* CHC WETTING RAIN...0 PERCENT.  
* LAL................1, THEN 2 IN THE AFTERNOON.  
* HAINES INDEX.......3.  
* MIXING HEIGHT......9000-10000 FT AGL.  
* TRANSPORT WINDS....WEST AROUND 15 MPH INCREASING TO AROUND 25 MPH  
IN THE AFTERNOON.  
   
SATURDAY NIGHT
 
 
* SKY/WEATHER........MOSTLY CLEAR.  
* MIN TEMPERATURE....45-50.  
24 HR TREND......DOWN 5.  
* MAX HUMIDITY.......79-87 PERCENT.  
24 HR TREND......UP 6.  
* 20FT WINDS.........WEST WINDS 12 TO 17 MPH WITH GUSTS TO AROUND  
25 MPH BECOMING NORTHEAST 3 TO 6 MPH AFTER MIDNIGHT.  
* CHC WETTING RAIN...0 PERCENT.  
* LAL................1.  
* HAINES INDEX.......3.  
* MIXING HEIGHT......400-1400 FT AGL.  
* TRANSPORT WINDS....WEST AROUND 20 MPH IN THE EVENING BECOMING  
LIGHT.  
   
SUNDAY
 
 
* SKY/WEATHER........SUNNY.  
* MAX TEMPERATURE....AROUND 79.  
24 HR TREND......UP 5.  
* MIN HUMIDITY.......25-30 PERCENT.  
24 HR TREND......LITTLE CHANGE.  
* 20FT WINDS.........SOUTHEAST WINDS 3 TO 6 MPH.  
* CHC WETTING RAIN...0 PERCENT.  
* LAL................1.  
* HAINES INDEX.......2.  
* MIXING HEIGHT......6000-7000 FT AGL.  
* TRANSPORT WINDS....LIGHT WINDS.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
MONDAY
 
CLEAR. LOWS IN THE LOWER 50S. HIGHS 80 TO 87. SOUTH  
WINDS 5 TO 10 MPH WITH GUSTS TO AROUND 15 MPH.    
TUESDAY
 
CLEAR. LOWS IN THE MID 50S. HIGHS 82 TO 89. SOUTHWEST  
WINDS 10 TO 20 MPH WITH GUSTS TO AROUND 30 MPH.    
WEDNESDAY
 
CLEAR. LOWS IN THE LOWER 50S. HIGHS 80 TO 87. WEST  
WINDS 10 TO 20 MPH WITH GUSTS TO AROUND 30 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE LOWER  
80S.    
FRIDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE UPPER  
70S.  
 

 
 
IDZ427-231030-  
GOOSE CREEK AND RAFT RIVER VALLEY/SOUTHERN SAWTOOTH NF/TWIN FALLS  
BLM SOUTH OF THE SNAKE RIVER-  
224 PM MDT FRI JUN 22 2018  
   
TONIGHT
 
 
* SKY/WEATHER........CLEAR.  
* MIN TEMPERATURE....48-55.  
24 HR TREND......LITTLE CHANGE.  
* MAX HUMIDITY.......67-75 PERCENT.  
24 HR TREND......DOWN 7.  
* 20FT WINDS.........  
VALLEYS/LWR SLOPES...WEST 5 TO 10 MPH.  
RIDGES/UPR SLOPES....WEST 7 TO 12 MPH WITH GUSTS TO AROUND 20  
* MPH.  
* CHC WETTING RAIN...0 PERCENT.  
* LAL................1.  
* HAINES INDEX.......3.  
* MIXING HEIGHT......900-1900 FT AGL.  
* TRANSPORT WINDS....WEST 10 TO 15 MPH.  
   
SATURDAY
 
 
* SKY/WEATHER........MOSTLY SUNNY.  
* MAX TEMPERATURE....69-74 VALLEYS AND 62-69 RIDGES.  
24 HR TREND......DOWN 8.  
* MIN HUMIDITY.......24-32 PERCENT VALLEYS AND 29-37 PERCENT  
RIDGES.  
24 HR TREND......UP 2.  
* 20FT WINDS.........  
VALLEYS/LWR SLOPES...WEST 8 TO 18 MPH.  
RIDGES/UPR SLOPES....WEST 10 TO 20 MPH. GUSTS UP TO 20 MPH  
* INCREASING TO 30 MPH IN THE AFTERNOON.  
* CHC WETTING RAIN...0 PERCENT.  
* LAL................1.  
* HAINES INDEX.......3.  
* MIXING HEIGHT......7500-8500 FT AGL.  
* TRANSPORT WINDS....WEST AROUND 15 MPH INCREASING TO AROUND 25 MPH  
IN THE AFTERNOON.  
   
SATURDAY NIGHT
 
 
* SKY/WEATHER........MOSTLY CLEAR.  
* MIN TEMPERATURE....44-51.  
24 HR TREND......DOWN 5.  
* MAX HUMIDITY.......73-81 PERCENT.  
24 HR TREND......UP 5.  
* 20FT WINDS.........  
VALLEYS/LWR SLOPES...WEST 12 TO 17 MPH.  
RIDGES/UPR SLOPES....NORTHWEST 10 TO 20 MPH. GUSTS UP TO 30 MPH  
* DECREASING TO 20 MPH AFTER MIDNIGHT.  
* CHC WETTING RAIN...0 PERCENT.  
* LAL................1.  
* HAINES INDEX.......3.  
* MIXING HEIGHT......400-1400 FT AGL.  
* TRANSPORT WINDS....WEST AROUND 25 MPH DECREASING TO AROUND 10 MPH  
AFTER MIDNIGHT.  
   
SUNDAY
 
 
* SKY/WEATHER........SUNNY.  
* MAX TEMPERATURE....AROUND 77 VALLEYS AND 69-76 RIDGES.  
24 HR TREND......UP 6.  
* MIN HUMIDITY.......24-32 PERCENT VALLEYS AND 29-37 PERCENT  
RIDGES.  
24 HR TREND......LITTLE CHANGE.  
* 20FT WINDS.........  
VALLEYS/LWR SLOPES...WEST 3 TO 6 MPH SHIFTING TO THE NORTH IN  
* THE AFTERNOON.  
RIDGES/UPR SLOPES....NORTH 3 TO 6 MPH.  
* CHC WETTING RAIN...0 PERCENT.  
* LAL................1.  
* HAINES INDEX.......2.  
* MIXING HEIGHT......6000-7000 FT AGL.  
* TRANSPORT WINDS....LIGHT WINDS BECOMING EAST AROUND 10 MPH IN THE  
AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
MONDAY
 
CLEAR. LOWS 49 TO 55. HIGHS 76 TO 83. SOUTH WINDS 5 TO  
10 MPH WITH GUSTS TO AROUND 20 MPH.    
TUESDAY
 
CLEAR. LOWS 52 TO 59. HIGHS 78 TO 85. WEST WINDS 10 TO  
15 MPH WITH GUSTS TO AROUND 20 MPH.    
WEDNESDAY
 
CLEAR. LOWS 49 TO 56. HIGHS 78 TO 85. WEST WINDS  
10 TO 15 MPH WITH GUSTS TO AROUND 20 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE LOWER  
80S.    
FRIDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE MID  
70S.  
 

 
 
IDZ410-231030-  
UPPER SNAKE RIVER VALLEY/IDAHO FALLS BLM-  
224 PM MDT FRI JUN 22 2018  
   
TONIGHT
 
 
* SKY/WEATHER........PARTLY CLOUDY. ISOLATED SHOWERS AND  
THUNDERSTORMS IN THE EVENING.  
* MIN TEMPERATURE....45-51.  
24 HR TREND......DOWN 2.  
* MAX HUMIDITY.......79-87 PERCENT.  
24 HR TREND......DOWN 2.  
* 20FT WINDS.........SOUTHWEST WINDS 6 TO 11 MPH WITH GUSTS TO  
AROUND 20 MPH.  
* CHC WETTING RAIN...0 PERCENT.  
* LAL................2, THEN 1 AFTER MIDNIGHT.  
* HAINES INDEX.......3.  
* MIXING HEIGHT......700-1700 FT AGL.  
* TRANSPORT WINDS....WEST AROUND 15 MPH IN THE EVENING BECOMING  
LIGHT.  
   
SATURDAY
 
 
* SKY/WEATHER........PARTLY CLOUDY. CHANCE OF RAIN SHOWERS THROUGH  
THE DAY. SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE....63-70.  
24 HR TREND......DOWN 7.  
* MIN HUMIDITY.......35-43 PERCENT.  
24 HR TREND......UP 7.  
* 20FT WINDS.........SOUTHWEST WINDS 11 TO 16 MPH WITH GUSTS TO  
AROUND 25 MPH.  
* CHC WETTING RAIN...20 PERCENT.  
* LAL................1, THEN 2 IN THE AFTERNOON.  
* HAINES INDEX.......3.  
* MIXING HEIGHT......9000-10000 FT AGL.  
* TRANSPORT WINDS....WEST 10 TO 15 MPH.  
   
SATURDAY NIGHT
 
 
* SKY/WEATHER........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING.  
* MIN TEMPERATURE....AROUND 44.  
24 HR TREND......DOWN 4.  
* MAX HUMIDITY.......85-93 PERCENT.  
24 HR TREND......UP 5.  
* 20FT WINDS.........NORTH WINDS 6 TO 11 MPH WITH GUSTS TO AROUND  
20 MPH.  
* CHC WETTING RAIN...0 PERCENT.  
* LAL................2, THEN 1 AFTER MIDNIGHT.  
* HAINES INDEX.......3.  
* MIXING HEIGHT......300-1300 FT AGL.  
* TRANSPORT WINDS....NORTHWEST AROUND 15 MPH IN THE EVENING  
BECOMING LIGHT.  
   
SUNDAY
 
 
* SKY/WEATHER........MOSTLY SUNNY.  
* MAX TEMPERATURE....69-76.  
24 HR TREND......UP 6.  
* MIN HUMIDITY.......34-42 PERCENT.  
24 HR TREND......DOWN 2.  
* 20FT WINDS.........NORTH WINDS 3 TO 6 MPH.  
* CHC WETTING RAIN...0 PERCENT.  
* LAL................1.  
* HAINES INDEX.......2.  
* MIXING HEIGHT......6000-7000 FT AGL.  
* TRANSPORT WINDS....LIGHT WINDS BECOMING NORTHWEST AROUND 10 MPH  
IN THE AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
MONDAY
 
CLEAR. LOWS 45 TO 50. HIGHS 73 TO 80. SOUTH WINDS 5 TO  
10 MPH WITH GUSTS TO AROUND 15 MPH.    
TUESDAY
 
CLEAR. LOWS 50 TO 55. HIGHS 77 TO 84. SOUTH WINDS  
10 TO 20 MPH WITH GUSTS TO AROUND 30 MPH.    
WEDNESDAY
 
CLEAR. LOWS 45 TO 51. HIGHS 77 TO 84. SOUTHWEST  
WINDS 10 TO 20 MPH WITH GUSTS TO AROUND 30 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS AROUND 80.   
FRIDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE MID  
70S.  
 

 
 
IDZ411-231030-  
CENTENNIAL MOUNTAINS AND SNAKE RIVER RANGE/TARGHEE NF-  
224 PM MDT FRI JUN 22 2018  
   
TONIGHT
 
 
* SKY/WEATHER........PARTLY CLOUDY. SCATTERED RAIN SHOWERS AND  
ISOLATED THUNDERSTORMS IN THE EVENING, THEN SLIGHT CHANCE OF RAIN  
SHOWERS AFTER MIDNIGHT.  
* MIN TEMPERATURE....40-46.  
24 HR TREND......DOWN 2.  
* MAX HUMIDITY.......83-91 PERCENT.  
24 HR TREND......DOWN 2.  
* 20FT WINDS.........  
VALLEYS/LWR SLOPES...SOUTH 4 TO 7 MPH.  
RIDGES/UPR SLOPES....SOUTHWEST 4 TO 9 MPH WITH GUSTS TO AROUND  
* 15 MPH.  
* CHC WETTING RAIN...10 PERCENT.  
* LAL................2, THEN 1 AFTER MIDNIGHT.  
* HAINES INDEX.......3.  
* MIXING HEIGHT......600-1600 FT AGL.  
* TRANSPORT WINDS....WEST AROUND 15 MPH IN THE EVENING BECOMING  
LIGHT.  
   
SATURDAY
 
 
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.  
CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS.  
* MAX TEMPERATURE....53-60.  
24 HR TREND......DOWN 7.  
* MIN HUMIDITY.......42-50 PERCENT VALLEYS AND 48-56 PERCENT  
RIDGES.  
24 HR TREND......LITTLE CHANGE.  
* 20FT WINDS.........  
VALLEYS/LWR SLOPES...SOUTH 4 TO 7 MPH SHIFTING TO THE WEST 4 TO  
* 9 MPH IN THE AFTERNOON.  
RIDGES/UPR SLOPES....WEST 6 TO 11 MPH WITH GUSTS TO AROUND 20  
* MPH.  
* CHC WETTING RAIN...40 PERCENT.  
* LAL................2.  
* HAINES INDEX.......3.  
* MIXING HEIGHT......8000-9000 FT AGL.  
* TRANSPORT WINDS....WEST 10 TO 15 MPH.  
   
SATURDAY NIGHT
 
 
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.  
CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE  
EVENING, THEN SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT.  
* MIN TEMPERATURE....37-42.  
24 HR TREND......DOWN 3.  
* MAX HUMIDITY.......88-96 PERCENT.  
24 HR TREND......UP 4.  
* 20FT WINDS.........  
VALLEYS/LWR SLOPES...NORTH 3 TO 6 MPH.  
RIDGES/UPR SLOPES....NORTH 6 TO 11 MPH WITH GUSTS TO AROUND 20  
* MPH.  
* CHC WETTING RAIN...10 PERCENT.  
* LAL................2, THEN 1 AFTER MIDNIGHT.  
* HAINES INDEX.......3.  
* MIXING HEIGHT......500-1500 FT AGL.  
* TRANSPORT WINDS....NORTH 10 TO 15 MPH.  
   
SUNDAY
 
 
* SKY/WEATHER........PARTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS  
THROUGH THE DAY. SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE....AROUND 68 VALLEYS AND 59-66 RIDGES.  
24 HR TREND......UP 6.  
* MIN HUMIDITY.......42-49 PERCENT VALLEYS AND 46-54 PERCENT  
RIDGES.  
24 HR TREND......DOWN 3.  
* 20FT WINDS.........  
VALLEYS/LWR SLOPES...NORTHEAST 3 TO 4 MPH SHIFTING TO THE  
* NORTHWEST 3 TO 5 MPH IN THE AFTERNOON.  
RIDGES/UPR SLOPES....NORTH 4 TO 7 MPH. GUSTS UP TO 15 MPH IN  
* THE MORNING.  
* CHC WETTING RAIN...0 PERCENT.  
* LAL................1, THEN 2 IN THE AFTERNOON.  
* HAINES INDEX.......2.  
* MIXING HEIGHT......5500-6500 FT AGL.  
* TRANSPORT WINDS....NORTH AROUND 10 MPH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
MONDAY
 
CLEAR. LOWS 41 TO 46. HIGHS 64 TO 71. SOUTH WINDS 5 TO  
10 MPH WITH GUSTS TO AROUND 20 MPH.    
TUESDAY
 
CLEAR. LOWS 46 TO 51. HIGHS 67 TO 74. SOUTH WINDS  
10 TO 15 MPH WITH GUSTS TO AROUND 25 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. LOWS 41 TO 47. HIGHS 67 TO 74. SOUTH  
WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 25 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS IN THE LOWER  
70S.    
FRIDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS IN THE UPPER 60S.  
 

 
 
IDZ413-231030-  
CARIBOU RANGE/CARIBOU NF-  
224 PM MDT FRI JUN 22 2018  
   
TONIGHT
 
 
* SKY/WEATHER........MOSTLY CLEAR.  
* MIN TEMPERATURE....45-52.  
24 HR TREND......LITTLE CHANGE.  
* MAX HUMIDITY.......73-81 PERCENT.  
24 HR TREND......DOWN 8.  
* 20FT WINDS.........  
VALLEYS/LWR SLOPES...SOUTHWEST 4 TO 9 MPH.  
RIDGES/UPR SLOPES....SOUTHWEST 5 TO 10 MPH WITH GUSTS TO AROUND  
* 15 MPH.  
* CHC WETTING RAIN...0 PERCENT.  
* LAL................1.  
* HAINES INDEX.......3.  
* MIXING HEIGHT......800-1800 FT AGL.  
* TRANSPORT WINDS....WEST AROUND 20 MPH DECREASING TO AROUND 10 MPH  
AFTER MIDNIGHT.  
   
SATURDAY
 
 
* SKY/WEATHER........PARTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS  
THROUGH THE DAY. SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE....67-74 VALLEYS AND 60-67 RIDGES.  
24 HR TREND......DOWN 6.  
* MIN HUMIDITY.......26-34 PERCENT VALLEYS AND 32-40 PERCENT  
RIDGES.  
24 HR TREND......UP 2.  
* 20FT WINDS.........  
VALLEYS/LWR SLOPES...WEST 11 TO 16 MPH.  
RIDGES/UPR SLOPES....WEST 12 TO 17 MPH WITH GUSTS TO AROUND 25  
* MPH.  
* CHC WETTING RAIN...0 PERCENT.  
* LAL................1, THEN 2 IN THE AFTERNOON.  
* HAINES INDEX.......3.  
* MIXING HEIGHT......9000-10000 FT AGL.  
* TRANSPORT WINDS....WEST AROUND 10 MPH INCREASING TO AROUND 25 MPH  
IN THE AFTERNOON.  
   
SATURDAY NIGHT
 
 
* SKY/WEATHER........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING.  
* MIN TEMPERATURE....39-46.  
24 HR TREND......DOWN 6.  
* MAX HUMIDITY.......84-92 PERCENT.  
24 HR TREND......UP 12.  
* 20FT WINDS.........  
VALLEYS/LWR SLOPES...NORTHWEST 9 TO 14 MPH.  
RIDGES/UPR SLOPES....NORTHWEST 9 TO 14 MPH. GUSTS UP TO 20 MPH  
* IN THE EVENING.  
* CHC WETTING RAIN...0 PERCENT.  
* LAL................2, THEN 1 AFTER MIDNIGHT.  
* HAINES INDEX.......3.  
* MIXING HEIGHT......300-1300 FT AGL.  
* TRANSPORT WINDS....NORTHWEST AROUND 20 MPH IN THE EVENING  
BECOMING LIGHT.  
   
SUNDAY
 
 
* SKY/WEATHER........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.  
* MAX TEMPERATURE....70-77 VALLEYS AND 63-70 RIDGES.  
24 HR TREND......UP 4.  
* MIN HUMIDITY.......30-38 PERCENT VALLEYS AND 37-45 PERCENT  
RIDGES.  
24 HR TREND......UP 5.  
* 20FT WINDS.........  
VALLEYS/LWR SLOPES...NORTH 3 TO 6 MPH.  
RIDGES/UPR SLOPES....NORTH 3 TO 6 MPH.  
* CHC WETTING RAIN...0 PERCENT.  
* LAL................1.  
* HAINES INDEX.......3.  
* MIXING HEIGHT......6250-7250 FT AGL.  
* TRANSPORT WINDS....LIGHT WINDS BECOMING NORTH AROUND 10 MPH IN  
THE AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
MONDAY
 
CLEAR. LOWS 43 TO 50. HIGHS 72 TO 79. SOUTHEAST WINDS  
5 TO 10 MPH WITH GUSTS TO AROUND 15 MPH.    
TUESDAY
 
CLEAR. LOWS 48 TO 55. HIGHS 76 TO 83. SOUTHWEST WINDS  
10 TO 15 MPH WITH GUSTS TO AROUND 20 MPH.    
WEDNESDAY
 
CLEAR. LOWS 46 TO 53. HIGHS 78 TO 85. WEST WINDS  
10 TO 15 MPH WITH GUSTS TO AROUND 20 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS AROUND 80.   
FRIDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE MID  
70S.  
 

 
 
   
OUTLOOK FOR SATURDAY JUNE 30 THROUGH FRIDAY JULY 6
 
BELOW NORMAL  
TEMPERATURE AND ABOVE NORMAL PRECIPITATION.  
 

 
 
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