699  
FNUS55 KPIH 230938  
FWFPIH  
 
FIRE WEATHER PLANNING FORECAST FOR SOUTHEAST IDAHO  
NATIONAL WEATHER SERVICE POCATELLO ID  
338 AM MDT MON OCT 23 2023  
   
DISCUSSION
 
 
* CENTRAL IDAHO DISPATCH AREA WEATHER IMPACT SUMMARY (ZONES 475  
AND 476)...  
 
MAIN IMPACT WILL BE EXTREMELY COLD TEMPERATURES MOVING IN  
WEDNESDAY AND CONTINUING THROUGH NEXT WEEKEND. WILL EXPERIENCE  
SOME ACCUMULATIONS SNOW WEDNESDAY INTO THURSDAY.  
 
* EAST IDAHO DISPATCH AREA WEATHER IMPACT SUMMARY (ZONES 410...411  
AND 413)...  
 
MAIN IMPACT WILL BE EXTREMELY COLD TEMPERATURES MOVING IN  
WEDNESDAY AND CONTINUING THROUGH NEXT WEEKEND. WILL EXPERIENCE  
SOME ACCUMULATIONS SNOW WEDNESDAY INTO THURSDAY.  
 
* SOUTH CENTRAL IDAHO DISPATCH AREA WEATHER IMPACT SUMMARY (ZONES  
422...425 AND 427)...  
 
MAIN IMPACT WILL BE EXTREMELY COLD TEMPERATURES MOVING IN  
WEDNESDAY AND CONTINUING THROUGH NEXT WEEKEND. WILL EXPERIENCE  
SOME ACCUMULATIONS SNOW WEDNESDAY INTO THURSDAY.  
 
IDZ475-232215-  
EAST SALMON RIVER MOUNTAINS/SALMON NF-  
338 AM MDT MON OCT 23 2023  
   
TODAY
 
 
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.  
* MAX TEMPERATURE....49-56 VALLEYS AND 42-49 RIDGES.  
24 HR TREND......7 DEGREES DOWN.  
* MIN HUMIDITY.......46-54 PERCENT VALLEYS AND 51-59 PERCENT  
RIDGES.  
24 HR TREND......10 PERCENT UP.  
* 20FT WINDS.........  
VALLEYS/LWR SLOPES...NORTHWEST 7 TO 12 MPH.  
RIDGES/UPR SLOPES....WEST 8 TO 13 MPH.  
* CHC WETTING RAIN...0 PERCENT.  
* LAL................1.  
* HAINES INDEX.......2.  
* MIXING HEIGHT......5250-6250 FT AGL.  
* TRANSPORT WINDS....LIGHT WINDS BECOMING WEST AROUND 15 MPH IN THE  
AFTERNOON.  
   
TONIGHT
 
 
* SKY/WEATHER........MOSTLY CLEAR.  
* MIN TEMPERATURE....26-33.  
24 HR TREND......8 DEGREES DOWN.  
* MAX HUMIDITY.......69-77 PERCENT VALLEYS AND 73-81 PERCENT  
RIDGES.  
24 HR TREND......17 PERCENT DOWN.  
* 20FT WINDS.........  
VALLEYS/LWR SLOPES...WEST 7 TO 12 MPH.  
RIDGES/UPR SLOPES....WEST 7 TO 12 MPH.  
* CHC WETTING RAIN...0 PERCENT.  
* LAL................1.  
* HAINES INDEX.......2.  
* MIXING HEIGHT......200-1200 FT AGL.  
* TRANSPORT WINDS....WEST AROUND 10 MPH.  
   
TUESDAY
 
 
* SKY/WEATHER........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.  
* MAX TEMPERATURE....44-51 VALLEYS AND 35-42 RIDGES.  
24 HR TREND......6 DEGREES DOWN.  
* MIN HUMIDITY.......30-38 PERCENT.  
24 HR TREND......18 PERCENT DOWN.  
* 20FT WINDS.........  
VALLEYS/LWR SLOPES...SOUTHWEST 12 TO 17 MPH.  
RIDGES/UPR SLOPES....SOUTHWEST 12 TO 17 MPH. GUSTS UP TO 20 MPH  
INCREASING TO 30 MPH IN THE AFTERNOON.  
* CHC WETTING RAIN...0 PERCENT.  
* LAL................1.  
* HAINES INDEX.......2.  
* MIXING HEIGHT......6000-7000 FT AGL.  
* TRANSPORT WINDS....SOUTHWEST AROUND 10 MPH INCREASING TO AROUND  
25 MPH IN THE AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
WEDNESDAY
 
SNOW SHOWERS. LOWS 26 TO 33. HIGHS 32 TO 39.  
SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO AROUND 30 MPH.    
THURSDAY
 
SNOW LIKELY. LOWS 17 TO 24. HIGHS 24 TO 31. NORTHWEST  
WINDS 10 TO 15 MPH.    
FRIDAY
 
MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW. LOWS 10 TO 17.  
HIGHS 27 TO 34. SOUTHWEST WINDS 5 TO 10 MPH WITH GUSTS TO AROUND  
15 MPH.    
SATURDAY
 
MOSTLY CLOUDY WITH CHANCE OF SNOW. LOWS AROUND 15.  
HIGHS IN THE MID 20S.    
SUNDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SNOW. LOWS AROUND 8.  
HIGHS IN THE UPPER 20S.  
 

 
 
IDZ476-232215-  
LEMHI AND LOST RIVER RANGE/CHALLIS NF-  
338 AM MDT MON OCT 23 2023  
   
TODAY
 
 
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.  
SLIGHT CHANCE OF RAIN SHOWERS IN THE  
AFTERNOON.  
* MAX TEMPERATURE....52-59 VALLEYS AND 42-49 RIDGES.  
24 HR TREND......6 DEGREES DOWN.  
* MIN HUMIDITY.......47-55 PERCENT VALLEYS AND 55-63 PERCENT  
RIDGES.  
24 HR TREND......11 PERCENT UP.  
* 20FT WINDS.........  
VALLEYS/LWR SLOPES...NORTHWEST 7 TO 12 MPH.  
RIDGES/UPR SLOPES....NORTHWEST 8 TO 13 MPH.  
* CHC WETTING RAIN...10 PERCENT.  
* LAL................1.  
* HAINES INDEX.......3.  
* MIXING HEIGHT......5250-6250 FT AGL.  
* TRANSPORT WINDS....LIGHT WINDS BECOMING WEST AROUND 10 MPH IN THE  
AFTERNOON.  
   
TONIGHT
 
 
* SKY/WEATHER........PARTLY CLOUDY.  
* MIN TEMPERATURE....26-33.  
24 HR TREND......7 DEGREES DOWN.  
* MAX HUMIDITY.......74-82 PERCENT.  
24 HR TREND......16 PERCENT DOWN.  
* 20FT WINDS.........  
VALLEYS/LWR SLOPES...WEST 6 TO 11 MPH.  
RIDGES/UPR SLOPES....WEST 6 TO 11 MPH.  
* CHC WETTING RAIN...0 PERCENT.  
* LAL................1.  
* HAINES INDEX.......3.  
* MIXING HEIGHT......300-1300 FT AGL.  
* TRANSPORT WINDS....WEST AROUND 10 MPH.  
   
TUESDAY
 
 
* SKY/WEATHER........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.  
* MAX TEMPERATURE....47-54 VALLEYS AND 37-44 RIDGES.  
24 HR TREND......5 DEGREES DOWN.  
* MIN HUMIDITY.......26-34 PERCENT VALLEYS AND 32-40 PERCENT  
RIDGES.  
24 HR TREND......22 PERCENT DOWN.  
* 20FT WINDS.........  
VALLEYS/LWR SLOPES...SOUTHWEST 13 TO 18 MPH.  
RIDGES/UPR SLOPES....SOUTHWEST 14 TO 19 MPH. GUSTS UP TO 30 MPH  
IN THE AFTERNOON.  
* CHC WETTING RAIN...0 PERCENT.  
* LAL................1.  
* HAINES INDEX.......2.  
* MIXING HEIGHT......6500-7500 FT AGL.  
* TRANSPORT WINDS....WEST AROUND 10 MPH INCREASING TO SOUTHWEST  
AROUND 25 MPH IN THE AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
WEDNESDAY
 
BREEZY. SNOW LIKELY. LOWS 27 TO 34. HIGHS 34 TO 41.  
SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO AROUND 35 MPH.    
THURSDAY
 
COLDER. MOSTLY CLOUDY. CHANCE OF SNOW. LOWS 17 TO 24.  
HIGHS 24 TO 31. NORTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO AROUND  
25 MPH.    
FRIDAY
 
MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW. LOWS 8 TO 15.  
HIGHS 24 TO 31. SOUTHWEST WINDS 10 TO 15 MPH.    
SATURDAY
 
MOSTLY CLOUDY. CHANCE OF SNOW. LOWS AROUND 13. HIGHS  
IN THE MID 20S.    
SUNDAY
 
PARTLY CLOUDY. CHANCE OF SNOW. LOWS AROUND 6. HIGHS IN  
THE MID 20S.  
 

 
 
IDZ422-232215-  
SAWTOOTH RANGE/NORTHERN SAWTOOTH NF-  
338 AM MDT MON OCT 23 2023  
   
TODAY
 
 
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.  
* MAX TEMPERATURE....54-61 VALLEYS AND 43-50 RIDGES.  
24 HR TREND......6 DEGREES DOWN.  
* MIN HUMIDITY.......47-55 PERCENT VALLEYS AND 52-60 PERCENT  
RIDGES.  
24 HR TREND......11 PERCENT UP.  
* 20FT WINDS.........  
VALLEYS/LWR SLOPES...NORTH 4 TO 6 MPH SHIFTING TO THE SOUTHWEST  
7 TO 12 MPH IN THE AFTERNOON.  
RIDGES/UPR SLOPES....NORTH 4 TO 6 MPH SHIFTING TO THE WEST 8 TO  
13 MPH IN THE AFTERNOON.  
* CHC WETTING RAIN...0 PERCENT.  
* LAL................1.  
* HAINES INDEX.......3.  
* MIXING HEIGHT......5250-6250 FT AGL.  
* TRANSPORT WINDS....LIGHT WINDS BECOMING WEST AROUND 15 MPH IN THE  
AFTERNOON.  
   
TONIGHT
 
 
* SKY/WEATHER........PARTLY CLOUDY.  
* MIN TEMPERATURE....26-33.  
24 HR TREND......8 DEGREES DOWN.  
* MAX HUMIDITY.......74-82 PERCENT.  
24 HR TREND......14 PERCENT DOWN.  
* 20FT WINDS.........  
VALLEYS/LWR SLOPES...WEST 8 TO 13 MPH.  
RIDGES/UPR SLOPES....WEST 8 TO 13 MPH.  
* CHC WETTING RAIN...0 PERCENT.  
* LAL................1.  
* HAINES INDEX.......3.  
* MIXING HEIGHT......200-1200 FT AGL.  
* TRANSPORT WINDS....WEST AROUND 10 MPH.  
   
TUESDAY
 
 
* SKY/WEATHER........MOSTLY SUNNY.  
* MAX TEMPERATURE....47-54 VALLEYS AND 36-43 RIDGES.  
24 HR TREND......7 DEGREES DOWN.  
* MIN HUMIDITY.......27-35 PERCENT VALLEYS AND 33-41 PERCENT  
RIDGES.  
24 HR TREND......21 PERCENT DOWN.  
* 20FT WINDS.........  
VALLEYS/LWR SLOPES...SOUTHWEST 12 TO 17 MPH.  
RIDGES/UPR SLOPES....SOUTHWEST 12 TO 17 MPH WITH GUSTS TO  
AROUND 25 MPH.  
* CHC WETTING RAIN...0 PERCENT.  
* LAL................1.  
* HAINES INDEX.......3.  
* MIXING HEIGHT......4750-5750 FT AGL.  
* TRANSPORT WINDS....WEST AROUND 10 MPH INCREASING TO SOUTHWEST  
AROUND 25 MPH IN THE AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
WEDNESDAY
 
COLDER, BREEZY. SNOW LIKELY. LOWS 26 TO 33. HIGHS  
33 TO 40. SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO AROUND  
35 MPH.    
THURSDAY
 
MOSTLY CLOUDY. CHANCE OF SNOW. LOWS 18 TO 25. HIGHS  
27 TO 34. WEST WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 20 MPH.    
FRIDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SNOW. LOWS 10 TO 17.  
HIGHS 26 TO 33. SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO AROUND  
20 MPH.    
SATURDAY
 
PARTLY CLOUDY. CHANCE OF SNOW. LOWS AROUND 15. HIGHS  
IN THE UPPER 20S.    
SUNDAY
 
PARTLY CLOUDY. CHANCE OF SNOW. LOWS AROUND 8. HIGHS IN  
THE UPPER 20S.  
 

 
 
IDZ425-232215-  
MIDDLE SNAKE RIVER VALLEY/TWIN FALLS BLM NORTH OF THE SNAKE RIVER-  
338 AM MDT MON OCT 23 2023  
   
TODAY
 
 
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING MOSTLY SUNNY.  
PATCHY FOG IN THE MORNING. SLIGHT CHANCE OF  
RAIN SHOWERS IN THE MORNING.  
* MAX TEMPERATURE....AROUND 61.  
24 HR TREND......11 DEGREES DOWN.  
* MIN HUMIDITY.......52-60 PERCENT.  
24 HR TREND......17 PERCENT UP.  
* 20FT WINDS.........WEST WINDS 9 TO 14 MPH WITH GUSTS TO AROUND 20  
MPH.  
* CHC WETTING RAIN...10 PERCENT.  
* LAL................1.  
* HAINES INDEX.......3.  
* MIXING HEIGHT......3250-4250 FT AGL.  
* TRANSPORT WINDS....WEST 10 TO 15 MPH.  
   
TONIGHT
 
 
* SKY/WEATHER........PARTLY CLOUDY.  
* MIN TEMPERATURE....34-40.  
24 HR TREND......6 DEGREES DOWN.  
* MAX HUMIDITY.......79-86 PERCENT.  
24 HR TREND......16 PERCENT DOWN.  
* 20FT WINDS.........SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO  
AROUND 25 MPH.  
* CHC WETTING RAIN...0 PERCENT.  
* LAL................1.  
* HAINES INDEX.......3.  
* MIXING HEIGHT......300-1300 FT AGL.  
* TRANSPORT WINDS....WEST AROUND 15 MPH.  
   
TUESDAY
 
 
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING SUNNY.  
* MAX TEMPERATURE....AROUND 58.  
24 HR TREND......LITTLE CHANGE.  
* MIN HUMIDITY.......26-34 PERCENT.  
24 HR TREND......26 PERCENT DOWN.  
* 20FT WINDS.........SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO  
AROUND 25 MPH.  
* CHC WETTING RAIN...0 PERCENT.  
* LAL................1.  
* HAINES INDEX.......3.  
* MIXING HEIGHT......4000-5000 FT AGL.  
* TRANSPORT WINDS....WEST AROUND 15 MPH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
WEDNESDAY
 
COOLER, CLOUDY. CHANCE OF SHOWERS. LOWS 35 TO 41.  
HIGHS IN THE UPPER 40S. SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS  
TO AROUND 30 MPH.    
THURSDAY
 
RAIN LIKELY AND CHANCE OF SNOW. LOWS IN THE UPPER  
20S. HIGHS IN THE LOWER 40S. WEST WINDS 10 TO 20 MPH WITH GUSTS  
TO AROUND 30 MPH.    
FRIDAY
 
PARTLY CLOUDY. LOWS AROUND 20. HIGHS 37 TO 44.  
NORTHEAST WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 25 MPH.    
SATURDAY
 
PARTLY CLOUDY WITH CHANCE OF SNOW AND RAIN. LOWS  
AROUND 20. HIGHS IN THE MID 30S.    
SUNDAY
 
PARTLY CLOUDY. CHANCE OF SNOW. LOWS AROUND 15. HIGHS IN  
THE MID 30S.  
 

 
 
IDZ427-232215-  
GOOSE CREEK AND RAFT RIVER VALLEY/SOUTHERN SAWTOOTH NF/TWIN FALLS  
BLM SOUTH OF THE SNAKE RIVER-  
338 AM MDT MON OCT 23 2023  
   
TODAY
 
 
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.  
SLIGHT CHANCE OF RAIN SHOWERS IN THE MORNING.  
* MAX TEMPERATURE....57-62 VALLEYS AND 50-57 RIDGES.  
24 HR TREND......12 DEGREES DOWN.  
* MIN HUMIDITY.......53-61 PERCENT VALLEYS AND 59-67 PERCENT  
RIDGES.  
24 HR TREND......20 PERCENT UP.  
* 20FT WINDS.........  
VALLEYS/LWR SLOPES...NORTHWEST 10 TO 15 MPH.  
RIDGES/UPR SLOPES....NORTHWEST 12 TO 17 MPH. GUSTS UP TO 25 MPH  
IN THE AFTERNOON.  
* CHC WETTING RAIN...10 PERCENT.  
* LAL................1.  
* HAINES INDEX.......3.  
* MIXING HEIGHT......3500-4500 FT AGL.  
* TRANSPORT WINDS....NORTHWEST 10 TO 15 MPH.  
   
TONIGHT
 
 
* SKY/WEATHER........PARTLY CLOUDY.  
* MIN TEMPERATURE....34-41.  
24 HR TREND......6 DEGREES DOWN.  
* MAX HUMIDITY.......76-84 PERCENT.  
24 HR TREND......14 PERCENT DOWN.  
* 20FT WINDS.........  
VALLEYS/LWR SLOPES...WEST 12 TO 17 MPH.  
RIDGES/UPR SLOPES....WEST 12 TO 17 MPH WITH GUSTS TO AROUND 30  
MPH.  
* CHC WETTING RAIN...0 PERCENT.  
* LAL................1.  
* HAINES INDEX.......3.  
* MIXING HEIGHT......300-1300 FT AGL.  
* TRANSPORT WINDS....WEST AROUND 15 MPH.  
   
TUESDAY
 
 
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING SUNNY.  
* MAX TEMPERATURE....54-61.  
24 HR TREND......LITTLE CHANGE.  
* MIN HUMIDITY.......27-35 PERCENT VALLEYS AND 31-39 PERCENT  
RIDGES.  
24 HR TREND......27 PERCENT DOWN.  
* 20FT WINDS.........  
VALLEYS/LWR SLOPES...SOUTHWEST 6 TO 11 MPH.  
RIDGES/UPR SLOPES....SOUTHWEST 6 TO 11 MPH WITH GUSTS TO AROUND  
20 MPH.  
* CHC WETTING RAIN...0 PERCENT.  
* LAL................1.  
* HAINES INDEX.......3.  
* MIXING HEIGHT......5750-6750 FT AGL.  
* TRANSPORT WINDS....WEST 10 TO 15 MPH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
WEDNESDAY
 
MOSTLY CLOUDY. CHANCE OF RAIN. LOWS 36 TO 42. HIGHS  
45 TO 52. SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO AROUND  
30 MPH.    
THURSDAY
 
COLDER. CHANCE OF SNOW AND RAIN LIKELY. LOWS 25 TO  
32. HIGHS 32 TO 39. WEST WINDS 10 TO 20 MPH WITH GUSTS TO AROUND  
25 MPH.    
FRIDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SNOW. LOWS 19 TO 26.  
HIGHS 36 TO 43. SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO AROUND  
25 MPH.    
SATURDAY
 
MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS AND RAIN. LOWS  
IN THE LOWER 20S. HIGHS IN THE LOWER 30S.    
SUNDAY
 
PARTLY CLOUDY WITH CHANCE OF SNOW SHOWERS. LOWS AROUND  
16. HIGHS IN THE LOWER 30S.  
 

 
 
IDZ410-232215-  
UPPER SNAKE RIVER VALLEY/IDAHO FALLS BLM-  
338 AM MDT MON OCT 23 2023  
   
TODAY
 
 
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.  
PATCHY FOG IN THE MORNING. CHANCE OF RAIN  
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS  
THROUGH THE DAY.  
* MAX TEMPERATURE....55-62.  
24 HR TREND......6 DEGREES DOWN.  
* MIN HUMIDITY.......55-63 PERCENT.  
24 HR TREND......16 PERCENT UP.  
* 20FT WINDS.........NORTH WINDS 6 TO 9 MPH SHIFTING TO THE  
SOUTHWEST 8 TO 13 MPH IN THE AFTERNOON.  
* CHC WETTING RAIN...10 PERCENT.  
* LAL................2.  
* HAINES INDEX.......3.  
* MIXING HEIGHT......4500-5500 FT AGL.  
* TRANSPORT WINDS....NORTH AROUND 10 MPH SHIFTING TO THE WEST IN  
THE AFTERNOON.  
   
TONIGHT
 
 
* SKY/WEATHER........PARTLY CLOUDY. CHANCE OF RAIN SHOWERS AND  
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING.  
* MIN TEMPERATURE....33-39.  
24 HR TREND......6 DEGREES DOWN.  
* MAX HUMIDITY.......87-95 PERCENT.  
24 HR TREND......6 PERCENT DOWN.  
* 20FT WINDS.........SOUTHWEST WINDS 8 TO 13 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....SOUTHWEST 10 TO 15 MPH.  
   
TUESDAY
 
 
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING MOSTLY SUNNY.  
* MAX TEMPERATURE....51-58.  
24 HR TREND......5 DEGREES DOWN.  
* MIN HUMIDITY.......30-38 PERCENT.  
24 HR TREND......26 PERCENT DOWN.  
* 20FT WINDS.........SOUTHWEST WINDS 8 TO 18 MPH WITH GUSTS TO  
AROUND 25 MPH.  
* CHC WETTING RAIN...0 PERCENT.  
* LAL................1.  
* HAINES INDEX.......3.  
* MIXING HEIGHT......5250-6250 FT AGL.  
* TRANSPORT WINDS....SOUTHWEST 15 TO 20 MPH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
WEDNESDAY
 
BREEZY. RAIN LIKELY. LOWS 33 TO 40. HIGHS 43 TO 50.  
SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO AROUND 40 MPH.    
THURSDAY
 
COLDER. CHANCE OF SNOW AND RAIN LIKELY. LOWS 24 TO  
31. HIGHS 33 TO 40. WEST WINDS 10 TO 20 MPH WITH GUSTS TO AROUND  
30 MPH.    
FRIDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SNOW. LOWS 13 TO 20.  
HIGHS 32 TO 39. NORTHEAST WINDS 10 TO 15 MPH WITH GUSTS TO AROUND  
25 MPH.    
SATURDAY
 
PARTLY CLOUDY. CHANCE OF SNOW. LOWS AROUND 17. HIGHS  
IN THE LOWER 30S.    
SUNDAY
 
PARTLY CLOUDY. CHANCE OF SNOW. LOWS AROUND 11. HIGHS IN  
THE LOWER 30S.  
 

 
 
IDZ411-232215-  
CENTENNIAL MOUNTAINS AND SNAKE RIVER RANGE/TARGHEE NF-  
338 AM MDT MON OCT 23 2023  
   
TODAY
 
 
* SKY/WEATHER........MOSTLY CLOUDY. PATCHY FOG IN THE MORNING. RAIN  
SHOWERS LIKELY IN THE MORNING, THEN CHANCE OF  
RAIN SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE....AROUND 56 VALLEYS AND 45-52 RIDGES.  
24 HR TREND......8 DEGREES DOWN.  
* MIN HUMIDITY.......63-71 PERCENT.  
24 HR TREND......18 PERCENT UP.  
* 20FT WINDS.........  
VALLEYS/LWR SLOPES...NORTHEAST 5 TO 8 MPH SHIFTING TO THE WEST  
4 TO 8 MPH IN THE AFTERNOON.  
RIDGES/UPR SLOPES....NORTH 5 TO 8 MPH SHIFTING TO THE WEST 5 TO  
10 MPH IN THE AFTERNOON. GUSTS UP TO 15  
MPH.  
* CHC WETTING RAIN...30 PERCENT.  
* LAL................1, THEN 2 IN THE AFTERNOON.  
* HAINES INDEX.......3.  
* MIXING HEIGHT......3250-4250 FT AGL.  
* TRANSPORT WINDS....NORTHEAST AROUND 10 MPH SHIFTING TO THE WEST  
IN THE AFTERNOON.  
   
TONIGHT
 
 
* SKY/WEATHER........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND  
SLIGHT CHANCE OF THUNDERSTORMS THROUGH THE  
NIGHT. SCATTERED SNOW SHOWERS AFTER MIDNIGHT.  
PATCHY FOG AFTER MIDNIGHT.  
* MIN TEMPERATURE....30-36.  
24 HR TREND......6 DEGREES DOWN.  
* MAX HUMIDITY.......92-100 PERCENT VALLEYS AND 88-96 PERCENT  
RIDGES.  
24 HR TREND......2 PERCENT UP.  
* 20FT WINDS.........  
VALLEYS/LWR SLOPES...SOUTHWEST 5 TO 10 MPH.  
RIDGES/UPR SLOPES....SOUTHWEST 5 TO 10 MPH WITH GUSTS TO AROUND  
15 MPH.  
* CHC WETTING RAIN...30 PERCENT.  
* LAL................2.  
* HAINES INDEX.......2.  
* MIXING HEIGHT......500-1000 FT AGL.  
* TRANSPORT WINDS....SOUTHWEST AROUND 10 MPH.  
   
TUESDAY
 
 
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.  
SLIGHT CHANCE OF SNOW SHOWERS IN THE MORNING.  
* MAX TEMPERATURE....48-53 VALLEYS AND 40-47 RIDGES.  
24 HR TREND......6 DEGREES DOWN.  
* MIN HUMIDITY.......37-45 PERCENT VALLEYS AND 43-51 PERCENT  
RIDGES.  
24 HR TREND......20 PERCENT DOWN.  
* 20FT WINDS.........  
VALLEYS/LWR SLOPES...SOUTHWEST 11 TO 16 MPH.  
RIDGES/UPR SLOPES....SOUTHWEST 11 TO 16 MPH WITH GUSTS TO  
AROUND 25 MPH.  
* CHC WETTING RAIN...0 PERCENT.  
* LAL................1.  
* HAINES INDEX.......2.  
* MIXING HEIGHT......5000-6000 FT AGL.  
* TRANSPORT WINDS....SOUTHWEST AROUND 10 MPH INCREASING TO AROUND  
20 MPH IN THE AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
WEDNESDAY
 
WINDY. SNOW AND CHANCE OF SHOWERS. LOWS 29 TO 36.  
HIGHS 35 TO 42. SOUTHWEST WINDS 20 TO 30 MPH WITH GUSTS TO AROUND  
40 MPH.    
THURSDAY
 
COLDER. SNOW SHOWERS. LOWS 20 TO 27. HIGHS 25 TO 32.  
WEST WINDS 10 TO 20 MPH WITH GUSTS TO AROUND 25 MPH.    
FRIDAY
 
MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS. LOWS 10 TO 17.  
HIGHS 25 TO 32. SOUTH WINDS 10 TO 15 MPH WITH GUSTS TO AROUND  
20 MPH.    
SATURDAY
 
MOSTLY CLOUDY WITH SNOW SHOWERS LIKELY. LOWS AROUND  
14. HIGHS IN THE MID 20S.    
SUNDAY
 
PARTLY CLOUDY WITH CHANCE OF SNOW SHOWERS. LOWS AROUND  
8. HIGHS IN THE MID 20S.  
 

 
 
IDZ413-232215-  
CARIBOU RANGE/CARIBOU NF-  
338 AM MDT MON OCT 23 2023  
   
TODAY
 
 
* SKY/WEATHER........PARTLY CLOUDY. CHANCE OF RAIN SHOWERS THROUGH  
THE DAY. SLIGHT CHANCE OF THUNDERSTORMS IN THE  
AFTERNOON.  
* MAX TEMPERATURE....54-61.  
24 HR TREND......8 DEGREES DOWN.  
* MIN HUMIDITY.......52-60 PERCENT.  
24 HR TREND......17 PERCENT UP.  
* 20FT WINDS.........  
VALLEYS/LWR SLOPES...NORTHWEST 6 TO 11 MPH.  
RIDGES/UPR SLOPES....NORTH 4 TO 7 MPH SHIFTING TO THE WEST 6 TO  
11 MPH IN THE AFTERNOON.  
* CHC WETTING RAIN...10 PERCENT.  
* LAL................1, THEN 2 IN THE AFTERNOON.  
* HAINES INDEX.......4.  
* MIXING HEIGHT......6500-7500 FT AGL.  
* TRANSPORT WINDS....NORTH AROUND 10 MPH SHIFTING TO THE WEST IN  
THE AFTERNOON.  
   
TONIGHT
 
 
* SKY/WEATHER........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. PATCHY FOG AFTER  
MIDNIGHT.  
* MIN TEMPERATURE....32-39.  
24 HR TREND......6 DEGREES DOWN.  
* MAX HUMIDITY.......86-94 PERCENT.  
24 HR TREND......2 PERCENT UP.  
* 20FT WINDS.........  
VALLEYS/LWR SLOPES...WEST 6 TO 11 MPH.  
RIDGES/UPR SLOPES....WEST 6 TO 11 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 10 MPH.  
   
TUESDAY
 
 
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.  
* MAX TEMPERATURE....53-60 VALLEYS AND 45-52 RIDGES.  
24 HR TREND......4 DEGREES DOWN.  
* MIN HUMIDITY.......36-44 PERCENT.  
24 HR TREND......18 PERCENT DOWN.  
* 20FT WINDS.........  
VALLEYS/LWR SLOPES...SOUTHWEST 8 TO 13 MPH.  
RIDGES/UPR SLOPES....SOUTHWEST 10 TO 15 MPH WITH GUSTS TO  
AROUND 20 MPH.  
* CHC WETTING RAIN...0 PERCENT.  
* LAL................1.  
* HAINES INDEX.......3.  
* MIXING HEIGHT......5000-6000 FT AGL.  
* TRANSPORT WINDS....SOUTHWEST 10 TO 15 MPH.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
WEDNESDAY
 
BREEZY. MOSTLY CLOUDY. CHANCE OF RAIN. LOWS 35 TO  
42. HIGHS 45 TO 52. SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO  
AROUND 35 MPH.    
THURSDAY
 
COLDER. RAIN LIKELY AND CHANCE OF SNOW. LOWS 26 TO  
33. HIGHS 33 TO 40. WEST WINDS 10 TO 20 MPH WITH GUSTS TO AROUND  
30 MPH.    
FRIDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SNOW. LOWS 15 TO 22.  
HIGHS 34 TO 41. SOUTH WINDS 10 TO 15 MPH WITH GUSTS TO AROUND  
25 MPH.    
SATURDAY
 
MOSTLY CLOUDY WITH CHANCE OF SNOW AND RAIN. LOWS IN  
THE LOWER 20S. HIGHS IN THE LOWER 30S.    
SUNDAY
 
PARTLY CLOUDY WITH CHANCE OF SNOW. LOWS AROUND 15.  
HIGHS AROUND 30.  
 

 
 
   
OUTLOOK FOR MONDAY OCTOBER 30 THROUGH SUNDAY NOVEMBER 5
 
 
BELOW NORMAL TEMPERATURES AND PRECIPITATION.  
 

 
 
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