311  
FNUS55 KPIH 220938  
FWFPIH  
 
FIRE WEATHER PLANNING FORECAST FOR SOUTHEAST IDAHO  
NATIONAL WEATHER SERVICE POCATELLO ID  
338 AM MDT FRI SEP 22 2017  
   
DISCUSSION
 
 
* CENTRAL IDAHO DISPATCH AREA WEATHER IMPACT SUMMARY (ZONES 475  
AND 476)...  
 
COOL AND WET CONDITIONS WILL CONTINUE TODAY AS A STRONG  
LOW PRESSURE SYSTEM CONTINUES TO IMPACT THE REGION. A DRYING TREND  
WILL TAKE HOLD THIS WEEKEND, WITH A FEW LINGERING RAIN AND SNOW  
SHOWERS ON SATURDAY SHIFTING EAST OF THE AREA BY SUNDAY. WELL  
BELOW NORMAL TEMPERATURES WILL SLOWLY BEGIN TO RECOVER THIS  
WEEKEND INTO EARLY NEXT WEEK, REACHING CLOSER TO NORMAL BY MID  
NEXT WEEK.  
 
* EAST IDAHO DISPATCH AREA WEATHER IMPACT SUMMARY (ZONES 410...411  
AND 413)...  
 
COOL AND WET CONDITIONS WILL CONTINUE TODAY AS A STRONG  
LOW PRESSURE SYSTEM CONTINUES TO IMPACT THE REGION. A DRYING TREND  
WILL TAKE HOLD THIS WEEKEND, ALTHOUGH SOME LINGERING RAIN AND  
SNOW SHOWERS ARE EXPECTED OVER THE HIGHER ELEVATIONS BOTH SATURDAY  
AND SUNDAY. WELL BELOW NORMAL TEMPERATURES WILL SLOWLY BEGIN TO  
RECOVER THIS WEEKEND INTO EARLY NEXT WEEK, REACHING CLOSER TO  
NORMAL BY MID NEXT WEEK.  
 
* SOUTH CENTRAL IDAHO DISPATCH AREA WEATHER IMPACT SUMMARY (ZONES  
422...425 AND 427)...  
 
COOL AND WET CONDITIONS WILL CONTINUE TODAY AS A STRONG  
LOW PRESSURE SYSTEM CONTINUES TO IMPACT THE REGION. A DRYING TREND  
WILL TAKE HOLD THIS WEEKEND, WITH A FEW LINGERING RAIN AND SNOW  
SHOWERS ON SATURDAY SHIFTING EAST OF THE AREA BY SUNDAY. WELL  
BELOW NORMAL TEMPERATURES WILL SLOWLY BEGIN TO RECOVER THIS  
WEEKEND INTO EARLY NEXT WEEK, REACHING CLOSER TO NORMAL BY MID  
NEXT WEEK.  
 
 
IDZ475-222215-  
EAST SALMON RIVER MOUNTAINS/SALMON NF-  
338 AM MDT FRI SEP 22 2017  
   
TODAY
 
 
* SKY/WEATHER........CLOUDY. SNOW THROUGH THE DAY. RAIN LIKELY AND  
ISOLATED THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE....35-42 VALLEYS AND 28-35 RIDGES.  
24 HR TREND......DOWN 4.  
* MIN HUMIDITY.......70-78 PERCENT VALLEYS AND 79-87 PERCENT  
RIDGES.  
24 HR TREND......UP 17.  
* 20FT WINDS.........  
VALLEYS/LWR SLOPES...NORTH 3 TO 8 MPH.  
RIDGES/UPR SLOPES....NORTH 5 TO 10 MPH WITH GUSTS TO AROUND 15  
* MPH.  
* CHC WETTING RAIN...60 PERCENT.  
* LAL................1, THEN 2 IN THE AFTERNOON.  
* HAINES INDEX.......2.  
* MIXING HEIGHT......4500-5500 FT AGL.  
* TRANSPORT WINDS....NORTH 10 TO 15 MPH.  
   
TONIGHT
 
 
* SKY/WEATHER........MOSTLY CLOUDY. CHANCE OF RAIN IN THE EVENING.  
CHANCE OF SNOW THROUGH THE NIGHT.  
* MIN TEMPERATURE....22-29.  
24 HR TREND......DOWN 4.  
* MAX HUMIDITY.......95-100 PERCENT.  
24 HR TREND......LITTLE CHANGE.  
* 20FT WINDS.........  
VALLEYS/LWR SLOPES...NORTH 3 TO 6 MPH.  
RIDGES/UPR SLOPES....NORTH 4 TO 7 MPH. GUSTS UP TO 15 MPH IN  
* THE EVENING.  
* CHC WETTING RAIN...30 PERCENT.  
* LAL................1.  
* HAINES INDEX.......2.  
* MIXING HEIGHT......300-1300 FT AGL.  
* TRANSPORT WINDS....NORTH AROUND 10 MPH IN THE EVENING BECOMING  
LIGHT.  
   
SATURDAY
 
 
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.  
SLIGHT CHANCE OF SNOW THROUGH THE DAY. SLIGHT CHANCE OF RAIN IN  
THE AFTERNOON.  
* MAX TEMPERATURE....40-47 VALLEYS AND 32-39 RIDGES.  
24 HR TREND......UP 4.  
* MIN HUMIDITY.......51-59 PERCENT VALLEYS AND 61-69 PERCENT  
RIDGES.  
24 HR TREND......DOWN 19.  
* 20FT WINDS.........  
VALLEYS/LWR SLOPES...NORTH 3 TO 5 MPH.  
RIDGES/UPR SLOPES....NORTH 4 TO 7 MPH. GUSTS UP TO 15 MPH IN  
* THE AFTERNOON.  
* CHC WETTING RAIN...0 PERCENT.  
* LAL................1.  
* HAINES INDEX.......2.  
* MIXING HEIGHT......5750-6750 FT AGL.  
* TRANSPORT WINDS....LIGHT WINDS.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
SUNDAY
 
MOSTLY CLEAR. LOWS 21 TO 28. HIGHS 38 TO 45. NORTH  
WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 20 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS 24 TO 31. HIGHS 41 TO 48. NORTH  
WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 20 MPH.    
TUESDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND SNOW  
SHOWERS. LOWS 27 TO 34. HIGHS 45 TO 52. NORTHWEST WINDS 10 TO  
15 MPH WITH GUSTS TO AROUND 20 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE  
LOWER 50S.    
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE UPPER  
50S.  
 

 
 
IDZ476-222215-  
LEMHI AND LOST RIVER RANGE/CHALLIS NF-  
338 AM MDT FRI SEP 22 2017  
   
TODAY
 
 
* SKY/WEATHER........CLOUDY. SNOW AND RAIN THROUGH THE DAY.  
ISOLATED THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE....36-43 VALLEYS AND 28-35 RIDGES.  
24 HR TREND......DOWN 3.  
* MIN HUMIDITY.......71-79 PERCENT VALLEYS AND 80-88 PERCENT  
RIDGES.  
24 HR TREND......UP 9.  
* 20FT WINDS.........  
VALLEYS/LWR SLOPES...NORTH 3 TO 8 MPH.  
RIDGES/UPR SLOPES....NORTHEAST 5 TO 10 MPH WITH GUSTS TO AROUND  
* 15 MPH.  
* CHC WETTING RAIN...60 PERCENT.  
* LAL................1, THEN 2 IN THE AFTERNOON.  
* HAINES INDEX.......3.  
* MIXING HEIGHT......5000-6000 FT AGL.  
* TRANSPORT WINDS....NORTHEAST AROUND 10 MPH SHIFTING TO THE SOUTH  
IN THE AFTERNOON.  
   
TONIGHT
 
 
* SKY/WEATHER........MOSTLY CLOUDY. CHANCE OF SNOW AND RAIN.  
* MIN TEMPERATURE....22-29.  
24 HR TREND......DOWN 4.  
* MAX HUMIDITY.......98 PERCENT.  
24 HR TREND......LITTLE CHANGE.  
* 20FT WINDS.........  
VALLEYS/LWR SLOPES...NORTHEAST 3 TO 6 MPH.  
RIDGES/UPR SLOPES....SOUTHEAST 4 TO 7 MPH WITH GUSTS TO AROUND  
* 15 MPH.  
* CHC WETTING RAIN...30 PERCENT.  
* LAL................1.  
* HAINES INDEX.......3.  
* MIXING HEIGHT......200-1200 FT AGL.  
* TRANSPORT WINDS....SOUTH AROUND 10 MPH IN THE EVENING BECOMING  
LIGHT.  
   
SATURDAY
 
 
* SKY/WEATHER........PARTLY CLOUDY. SLIGHT CHANCE OF SNOW THROUGH  
THE DAY. SLIGHT CHANCE OF RAIN IN THE AFTERNOON.  
* MAX TEMPERATURE....39-46 VALLEYS AND 30-37 RIDGES.  
24 HR TREND......UP 2.  
* MIN HUMIDITY.......53-61 PERCENT VALLEYS AND 64-72 PERCENT  
RIDGES.  
24 HR TREND......DOWN 17.  
* 20FT WINDS.........  
VALLEYS/LWR SLOPES...NORTH 4 TO 7 MPH.  
RIDGES/UPR SLOPES....NORTH 5 TO 10 MPH WITH GUSTS TO AROUND 20  
* MPH.  
* CHC WETTING RAIN...0 PERCENT.  
* LAL................1.  
* HAINES INDEX.......2.  
* MIXING HEIGHT......5500-6500 FT AGL.  
* TRANSPORT WINDS....LIGHT WINDS.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
SUNDAY
 
PARTLY CLOUDY. LOWS 21 TO 28. HIGHS 36 TO 43. NORTH  
WINDS 10 TO 20 MPH WITH GUSTS TO AROUND 25 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS 24 TO 31. HIGHS 40 TO 47. NORTH  
WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 25 MPH.    
TUESDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND SNOW  
SHOWERS. LOWS 28 TO 35. HIGHS 44 TO 51. NORTHWEST WINDS 10 TO  
15 MPH WITH GUSTS TO AROUND 20 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS IN THE  
LOWER 50S.    
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE MID  
50S.  
 

 
 
IDZ422-222215-  
SAWTOOTH RANGE/NORTHERN SAWTOOTH NF-  
338 AM MDT FRI SEP 22 2017  
   
TODAY
 
 
* SKY/WEATHER........MOSTLY CLOUDY. SNOW AND CHANCE OF RAIN THROUGH  
THE DAY. ISOLATED THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE....38-45 VALLEYS AND 29-36 RIDGES.  
24 HR TREND......DOWN 3.  
* MIN HUMIDITY.......67-75 PERCENT VALLEYS AND 76-84 PERCENT  
RIDGES.  
24 HR TREND......UP 9.  
* 20FT WINDS.........  
VALLEYS/LWR SLOPES...SOUTHWEST 7 TO 12 MPH.  
RIDGES/UPR SLOPES....NORTH 3 TO 6 MPH.  
* CHC WETTING RAIN...50 PERCENT.  
* LAL................1, THEN 2 IN THE AFTERNOON.  
* HAINES INDEX.......3.  
* MIXING HEIGHT......3500-4500 FT AGL.  
* TRANSPORT WINDS....SOUTHEAST AROUND 10 MPH SHIFTING TO THE  
SOUTHWEST IN THE AFTERNOON.  
   
TONIGHT
 
 
* SKY/WEATHER........PARTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE  
EVENING. CHANCE OF SNOW THROUGH THE NIGHT. PATCHY FROST AFTER  
MIDNIGHT.  
* MIN TEMPERATURE....24-31 VALLEYS AND AROUND 22 RIDGES.  
24 HR TREND......DOWN 3.  
* MAX HUMIDITY.......95-100 PERCENT.  
24 HR TREND......LITTLE CHANGE.  
* 20FT WINDS.........  
VALLEYS/LWR SLOPES...SOUTHWEST 7 TO 10 MPH SHIFTING TO THE  
* NORTH 3 TO 5 MPH AFTER MIDNIGHT.  
RIDGES/UPR SLOPES....SOUTH 3 TO 6 MPH.  
* CHC WETTING RAIN...30 PERCENT.  
* LAL................1.  
* HAINES INDEX.......3.  
* MIXING HEIGHT......500-1500 FT AGL.  
* TRANSPORT WINDS....SOUTHWEST AROUND 10 MPH IN THE EVENING  
BECOMING LIGHT.  
   
SATURDAY
 
 
* SKY/WEATHER........PARTLY CLOUDY. SLIGHT CHANCE OF SNOW THROUGH  
THE DAY.  
* MAX TEMPERATURE....41-48 VALLEYS AND 32-39 RIDGES.  
24 HR TREND......UP 3.  
* MIN HUMIDITY.......52-60 PERCENT VALLEYS AND 61-69 PERCENT  
RIDGES.  
24 HR TREND......DOWN 16.  
* 20FT WINDS.........  
VALLEYS/LWR SLOPES...NORTHEAST 3 TO 6 MPH SHIFTING TO THE WEST  
* IN THE AFTERNOON.  
RIDGES/UPR SLOPES....NORTH 4 TO 7 MPH.  
* CHC WETTING RAIN...0 PERCENT.  
* LAL................1.  
* HAINES INDEX.......2.  
* MIXING HEIGHT......5750-6750 FT AGL.  
* TRANSPORT WINDS....LIGHT WINDS.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
SUNDAY
 
MOSTLY CLEAR. LOWS 21 TO 28. HIGHS 40 TO 47. NORTH  
WINDS 5 TO 10 MPH WITH GUSTS TO AROUND 20 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS 25 TO 32. HIGHS 42 TO 49. NORTH  
WINDS 5 TO 10 MPH WITH GUSTS TO AROUND 20 MPH.    
TUESDAY
 
PARTLY CLOUDY. LOWS 29 TO 36. HIGHS 46 TO 53.  
NORTHWEST WINDS 5 TO 10 MPH WITH GUSTS TO AROUND 15 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE MID  
50S.    
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE UPPER  
50S.  
 

 
 
IDZ425-222215-  
MIDDLE SNAKE RIVER VALLEY/TWIN FALLS BLM NORTH OF THE SNAKE RIVER-  
338 AM MDT FRI SEP 22 2017  
   
TODAY
 
 
* SKY/WEATHER........MOSTLY CLOUDY. CHANCE OF RAIN IN THE MORNING,  
THEN SLIGHT CHANCE OF RAIN IN THE AFTERNOON.  
* MAX TEMPERATURE....46-51.  
24 HR TREND......LITTLE CHANGE.  
* MIN HUMIDITY.......55-63 PERCENT.  
24 HR TREND......DOWN 7.  
* 20FT WINDS.........SOUTHWEST WINDS 8 TO 13 MPH WITH GUSTS TO  
AROUND 20 MPH.  
* CHC WETTING RAIN...20 PERCENT.  
* LAL................1.  
* HAINES INDEX.......3.  
* MIXING HEIGHT......5000-6000 FT AGL.  
* TRANSPORT WINDS....SOUTHWEST AROUND 15 MPH.  
   
TONIGHT
 
 
* SKY/WEATHER........MOSTLY CLEAR. SLIGHT CHANCE OF RAIN IN THE  
EVENING. PATCHY FROST AFTER MIDNIGHT.  
* MIN TEMPERATURE....AROUND 33.  
24 HR TREND......DOWN 3.  
* MAX HUMIDITY.......97 PERCENT.  
24 HR TREND......LITTLE CHANGE.  
* 20FT WINDS.........SOUTHWEST WINDS 6 TO 11 MPH. GUSTS UP TO 20  
MPH IN THE EVENING.  
* CHC WETTING RAIN...0 PERCENT.  
* LAL................1.  
* HAINES INDEX.......3.  
* MIXING HEIGHT......200-1200 FT AGL.  
* TRANSPORT WINDS....WEST AROUND 10 MPH IN THE EVENING BECOMING  
LIGHT.  
   
SATURDAY
 
 
* SKY/WEATHER........PARTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE  
MORNING.  
* MAX TEMPERATURE....AROUND 52.  
24 HR TREND......UP 3.  
* MIN HUMIDITY.......41-49 PERCENT.  
24 HR TREND......DOWN 15.  
* 20FT WINDS.........NORTHEAST WINDS 3 TO 6 MPH SHIFTING TO THE  
NORTHWEST 4 TO 9 MPH WITH GUSTS TO AROUND 15 MPH IN THE  
AFTERNOON.  
* CHC WETTING RAIN...0 PERCENT.  
* LAL................1.  
* HAINES INDEX.......3.  
* MIXING HEIGHT......5750-6750 FT AGL.  
* TRANSPORT WINDS....LIGHT WINDS.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
SUNDAY
 
PARTLY CLOUDY. PATCHY FROST. LOWS 30 TO 35. HIGHS 51 TO  
58. NORTHWEST WINDS 5 TO 10 MPH WITH GUSTS TO AROUND 20 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS 54 TO 61. WEST  
WINDS 5 TO 10 MPH WITH GUSTS TO AROUND 15 MPH.    
TUESDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS 57 TO 64.  
WEST WINDS 5 TO 10 MPH WITH GUSTS TO AROUND 15 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE  
MID 60S.    
THURSDAY
 
CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE UPPER 60S.  
 

 
 
IDZ427-222215-  
GOOSE CREEK AND RAFT RIVER VALLEY/SOUTHERN SAWTOOTH NF/TWIN FALLS  
BLM SOUTH OF THE SNAKE RIVER-  
338 AM MDT FRI SEP 22 2017  
   
TODAY
 
 
* SKY/WEATHER........MOSTLY CLOUDY. CHANCE OF RAIN IN THE MORNING.  
CHANCE OF SNOW THROUGH THE DAY. SCATTERED RAIN SHOWERS IN THE  
AFTERNOON.  
* MAX TEMPERATURE....41-48.  
24 HR TREND......LITTLE CHANGE.  
* MIN HUMIDITY.......48-56 PERCENT VALLEYS AND 58-66 PERCENT  
RIDGES.  
24 HR TREND......DOWN 22.  
* 20FT WINDS.........  
VALLEYS/LWR SLOPES...WEST 3 TO 8 MPH.  
RIDGES/UPR SLOPES....WEST 5 TO 8 MPH. GUSTS UP TO 15 MPH IN THE  
* MORNING.  
* CHC WETTING RAIN...20 PERCENT.  
* LAL................1.  
* HAINES INDEX.......3.  
* MIXING HEIGHT......5500-6500 FT AGL.  
* TRANSPORT WINDS....WEST 10 TO 15 MPH.  
   
TONIGHT
 
 
* SKY/WEATHER........PARTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS  
IN THE EVENING. SLIGHT CHANCE OF SNOW THROUGH THE NIGHT. SLIGHT  
CHANCE OF RAIN AFTER MIDNIGHT.  
* MIN TEMPERATURE....27-34.  
24 HR TREND......DOWN 2.  
* MAX HUMIDITY.......93-100 PERCENT.  
24 HR TREND......LITTLE CHANGE.  
* 20FT WINDS.........  
VALLEYS/LWR SLOPES...WEST 3 TO 6 MPH.  
RIDGES/UPR SLOPES....NORTHWEST 4 TO 7 MPH. GUSTS UP TO 15 MPH  
* IN THE EVENING.  
* CHC WETTING RAIN...0 PERCENT.  
* LAL................1.  
* HAINES INDEX.......3.  
* MIXING HEIGHT......200-1200 FT AGL.  
* TRANSPORT WINDS....LIGHT WINDS.  
   
SATURDAY
 
 
* SKY/WEATHER........PARTLY CLOUDY. SLIGHT CHANCE OF RAIN AND SNOW  
IN THE MORNING.  
* MAX TEMPERATURE....47-52 VALLEYS AND 40-47 RIDGES.  
24 HR TREND......UP 2.  
* MIN HUMIDITY.......41-49 PERCENT VALLEYS AND 50-58 PERCENT  
RIDGES.  
24 HR TREND......DOWN 7.  
* 20FT WINDS.........  
VALLEYS/LWR SLOPES...NORTHWEST 5 TO 10 MPH.  
RIDGES/UPR SLOPES....NORTHWEST 6 TO 11 MPH WITH GUSTS TO AROUND  
* 20 MPH.  
* CHC WETTING RAIN...0 PERCENT.  
* LAL................1.  
* HAINES INDEX.......3.  
* MIXING HEIGHT......5250-6250 FT AGL.  
* TRANSPORT WINDS....LIGHT WINDS BECOMING NORTHWEST AROUND 10 MPH  
IN THE AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
SUNDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN. LOWS 29 TO 34.  
HIGHS 45 TO 52. NORTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO AROUND  
25 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS 31 TO 36. HIGHS 48 TO 55. NORTHWEST  
WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 20 MPH.    
TUESDAY
 
PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS 52 TO 59.  
WEST WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 20 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE  
LOWER 60S.    
THURSDAY
 
CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE MID 60S.  
 

 
 
IDZ410-222215-  
UPPER SNAKE RIVER VALLEY/IDAHO FALLS BLM-  
338 AM MDT FRI SEP 22 2017  
   
TODAY
 
 
* SKY/WEATHER........CLOUDY. RAIN LIKELY AND SNOW IN THE MORNING,  
THEN CHANCE OF RAIN AND ISOLATED THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE....42-49.  
24 HR TREND......LITTLE CHANGE.  
* MIN HUMIDITY.......65-73 PERCENT.  
24 HR TREND......DOWN 7.  
* 20FT WINDS.........SOUTHWEST WINDS 7 TO 12 MPH WITH GUSTS TO  
AROUND 20 MPH.  
* CHC WETTING RAIN...40 PERCENT.  
* LAL................1, THEN 2 IN THE AFTERNOON.  
* HAINES INDEX.......3.  
* MIXING HEIGHT......4750-5750 FT AGL.  
* TRANSPORT WINDS....SOUTHWEST 10 TO 15 MPH.  
   
TONIGHT
 
 
* SKY/WEATHER........PARTLY CLOUDY. SLIGHT CHANCE OF RAIN THROUGH  
THE NIGHT. SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. PATCHY FROST  
AFTER MIDNIGHT.  
* MIN TEMPERATURE....AROUND 29.  
24 HR TREND......DOWN 6.  
* MAX HUMIDITY.......93-99 PERCENT.  
24 HR TREND......DOWN 2.  
* 20FT WINDS.........SOUTHWEST WINDS 5 TO 10 MPH WITH GUSTS TO  
AROUND 20 MPH SHIFTING TO THE NORTHEAST 3 TO 6 MPH AFTER  
MIDNIGHT.  
* CHC WETTING RAIN...0 PERCENT.  
* LAL................1.  
* HAINES INDEX.......3.  
* MIXING HEIGHT......200-1200 FT AGL.  
* TRANSPORT WINDS....SOUTHWEST AROUND 10 MPH IN THE EVENING  
BECOMING LIGHT.  
   
SATURDAY
 
 
* SKY/WEATHER........PARTLY CLOUDY. SLIGHT CHANCE OF SNOW IN THE  
MORNING. SLIGHT CHANCE OF RAIN THROUGH THE DAY.  
* MAX TEMPERATURE....45-52.  
24 HR TREND......UP 3.  
* MIN HUMIDITY.......44-52 PERCENT.  
24 HR TREND......DOWN 20.  
* 20FT WINDS.........NORTH WINDS 6 TO 11 MPH.  
* CHC WETTING RAIN...0 PERCENT.  
* LAL................1.  
* HAINES INDEX.......2.  
* MIXING HEIGHT......6250-7250 FT AGL.  
* TRANSPORT WINDS....LIGHT WINDS.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
SUNDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN. LOWS 29 TO 35.  
HIGHS 46 TO 53. NORTH WINDS 10 TO 15 MPH WITH GUSTS TO AROUND  
25 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS 48 TO 55.  
NORTH WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 20 MPH.    
TUESDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS 31 TO  
37. HIGHS 51 TO 58. NORTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO  
AROUND 20 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS AROUND  
60.    
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE  
LOWER 60S.  
 

 
 
IDZ411-222215-  
CENTENNIAL MOUNTAINS AND SNAKE RIVER RANGE/TARGHEE NF-  
338 AM MDT FRI SEP 22 2017  
   
TODAY
 
 
* SKY/WEATHER........CLOUDY. SNOW AND RAIN LIKELY THROUGH THE DAY.  
ISOLATED THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE....AROUND 43 VALLEYS AND 34-41 RIDGES.  
24 HR TREND......DOWN 2.  
* MIN HUMIDITY.......66-74 PERCENT VALLEYS AND 73-81 PERCENT  
RIDGES.  
24 HR TREND......LITTLE CHANGE.  
* 20FT WINDS.........  
VALLEYS/LWR SLOPES...SOUTHWEST 4 TO 7 MPH.  
RIDGES/UPR SLOPES....SOUTHWEST 4 TO 9 MPH WITH GUSTS TO AROUND  
* 15 MPH.  
* CHC WETTING RAIN...50 PERCENT.  
* LAL................1, THEN 2 IN THE AFTERNOON.  
* HAINES INDEX.......3.  
* MIXING HEIGHT......4750-5750 FT AGL.  
* TRANSPORT WINDS....SOUTH 10 TO 15 MPH.  
   
TONIGHT
 
 
* SKY/WEATHER........MOSTLY CLOUDY. SCATTERED SNOW SHOWERS AND  
CHANCE OF RAIN IN THE EVENING, THEN SLIGHT CHANCE OF RAIN AND  
SNOW AFTER MIDNIGHT.  
* MIN TEMPERATURE....23-28.  
24 HR TREND......DOWN 6.  
* MAX HUMIDITY.......95-100 PERCENT.  
24 HR TREND......LITTLE CHANGE.  
* 20FT WINDS.........  
VALLEYS/LWR SLOPES...SOUTH 3 TO 6 MPH SHIFTING TO THE NORTHEAST  
* 3 TO 5 MPH AFTER MIDNIGHT.  
RIDGES/UPR SLOPES....SOUTH 4 TO 7 MPH WITH GUSTS TO AROUND 15  
* MPH SHIFTING TO THE EAST 3 TO 6 MPH  
* AFTER MIDNIGHT.  
* CHC WETTING RAIN...10 PERCENT.  
* LAL................1.  
* HAINES INDEX.......3.  
* MIXING HEIGHT......200-1200 FT AGL.  
* TRANSPORT WINDS....SOUTHWEST AROUND 10 MPH IN THE EVENING  
BECOMING LIGHT.  
   
SATURDAY
 
 
* SKY/WEATHER........PARTLY CLOUDY. SLIGHT CHANCE OF SNOW THROUGH  
THE DAY. CHANCE OF RAIN SHOWERS IN THE AFTERNOON.  
* MAX TEMPERATURE....AROUND 47 VALLEYS AND 38-45 RIDGES.  
24 HR TREND......UP 4.  
* MIN HUMIDITY.......49-57 PERCENT VALLEYS AND 56-64 PERCENT  
RIDGES.  
24 HR TREND......DOWN 20.  
* 20FT WINDS.........  
VALLEYS/LWR SLOPES...NORTH 3 TO 6 MPH.  
RIDGES/UPR SLOPES....NORTH 3 TO 8 MPH WITH GUSTS TO AROUND 15  
* MPH.  
* CHC WETTING RAIN...0 PERCENT.  
* LAL................1.  
* HAINES INDEX.......2.  
* MIXING HEIGHT......7000-8000 FT AGL.  
* TRANSPORT WINDS....LIGHT WINDS.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
SUNDAY
 
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN AND SNOW. LOWS  
26 TO 33. HIGHS 39 TO 46. NORTH WINDS 10 TO 15 MPH WITH GUSTS TO  
AROUND 25 MPH.    
MONDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN AND SNOW. LOWS  
26 TO 31. HIGHS 39 TO 46. NORTH WINDS 10 TO 15 MPH WITH GUSTS TO  
AROUND 25 MPH.    
TUESDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND SNOW  
SHOWERS. LOWS 27 TO 32. HIGHS 43 TO 50. NORTH WINDS 10 TO 15 MPH  
WITH GUSTS TO AROUND 20 MPH.    
WEDNESDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE LOWER 30S. HIGHS IN THE LOWER 50S.    
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 30S. HIGHS IN THE MID  
50S.  
 

 
 
IDZ413-222215-  
CARIBOU RANGE/CARIBOU NF-  
338 AM MDT FRI SEP 22 2017  
   
TODAY
 
 
* SKY/WEATHER........CLOUDY. RAIN LIKELY IN THE MORNING. SNOW  
LIKELY THROUGH THE DAY. CHANCE OF RAIN AND ISOLATED THUNDERSTORMS  
IN THE AFTERNOON.  
* MAX TEMPERATURE....40-47.  
24 HR TREND......LITTLE CHANGE.  
* MIN HUMIDITY.......55-63 PERCENT VALLEYS AND 64-72 PERCENT  
RIDGES.  
24 HR TREND......DOWN 18.  
* 20FT WINDS.........  
VALLEYS/LWR SLOPES...SOUTHWEST 3 TO 6 MPH.  
RIDGES/UPR SLOPES....WEST 4 TO 7 MPH. GUSTS UP TO 15 MPH IN THE  
* AFTERNOON.  
* CHC WETTING RAIN...40 PERCENT.  
* LAL................1, THEN 2 IN THE AFTERNOON.  
* HAINES INDEX.......3.  
* MIXING HEIGHT......6000-7000 FT AGL.  
* TRANSPORT WINDS....SOUTHWEST AROUND 10 MPH.  
   
TONIGHT
 
 
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.  
CHANCE OF SNOW IN THE EVENING. SLIGHT CHANCE OF RAIN THROUGH THE  
NIGHT. SLIGHT CHANCE OF SNOW AFTER MIDNIGHT.  
* MIN TEMPERATURE....25-31.  
24 HR TREND......DOWN 5.  
* MAX HUMIDITY.......92-100 PERCENT.  
24 HR TREND......DOWN 2.  
* 20FT WINDS.........  
VALLEYS/LWR SLOPES...NORTHWEST 3 TO 6 MPH SHIFTING TO THE  
* NORTHEAST 3 TO 5 MPH AFTER MIDNIGHT.  
RIDGES/UPR SLOPES....NORTHWEST 3 TO 8 MPH SHIFTING TO THE  
* NORTHEAST 4 TO 7 MPH AFTER MIDNIGHT.  
* GUSTS UP TO 15 MPH.  
* CHC WETTING RAIN...0 PERCENT.  
* LAL................1.  
* HAINES INDEX.......3.  
* MIXING HEIGHT......200-1200 FT AGL.  
* TRANSPORT WINDS....LIGHT WINDS.  
   
SATURDAY
 
 
* SKY/WEATHER........PARTLY CLOUDY. SLIGHT CHANCE OF RAIN AND SNOW  
THROUGH THE DAY.  
* MAX TEMPERATURE....42-49.  
24 HR TREND......UP 2.  
* MIN HUMIDITY.......44-52 PERCENT VALLEYS AND 52-60 PERCENT  
RIDGES.  
24 HR TREND......DOWN 11.  
* 20FT WINDS.........  
VALLEYS/LWR SLOPES...NORTH 6 TO 11 MPH.  
RIDGES/UPR SLOPES....NORTH 6 TO 11 MPH WITH GUSTS TO AROUND 20  
* MPH.  
* CHC WETTING RAIN...0 PERCENT.  
* LAL................1.  
* HAINES INDEX.......2.  
* MIXING HEIGHT......7000-8000 FT AGL.  
* TRANSPORT WINDS....LIGHT WINDS.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
SUNDAY
 
MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW. LOWS 31 TO 36.  
HIGHS 42 TO 49. NORTH WINDS 10 TO 15 MPH WITH GUSTS TO AROUND  
25 MPH.    
MONDAY
 
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN. LOWS 29 TO 35.  
HIGHS 45 TO 52. NORTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO AROUND  
20 MPH.    
TUESDAY
 
PARTLY CLOUDY. LOWS 28 TO 35. HIGHS 49 TO 56.  
NORTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 20 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE  
UPPER 50S.    
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE LOWER  
60S.  
 

 
   
OUTLOOK FOR FRIDAY SEPTEMBER 29 THROUGH THURSDAY OCTOBER 5
 
 
ABOVE NORMAL TEMPERATURES AND BELOW NORMAL PRECIPITATION.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab ID Page Main Text Page