383  
FNUS55 KPIH 150935  
FWFPIH  
 
FIRE WEATHER PLANNING FORECAST FOR SOUTHEAST IDAHO  
NATIONAL WEATHER SERVICE POCATELLO ID  
335 AM MDT SUN SEP 15 2019  
   
DISCUSSION
 
 
* CENTRAL IDAHO DISPATCH AREA WEATHER IMPACT SUMMARY (ZONES 475  
AND 476)...  
   
..CRITICAL WEATHER THRESHOLDS MET AT SOME ELEVATIONS TODAY
 
 
AN APPROACHING LOW WILL INCREASE THE WARM AND DRY SOUTHERLY FLOW  
INTO CENTRAL IDAHO AND MAKE TODAY THE WARMEST AND DRIEST OF THE  
UPCOMING WEEK. WIDESPREAD AREAS IN THE LOWER ELEVATIONS WILL DROP  
BELOW 15 PERCENT, AND INCREASING GENERAL WIND WILL BRING GUSTY  
CONDITIONS DURING THE AFTERNOON BOTH TODAY AND AGAIN ON MONDAY  
AND TUESDAY. INCREASING CLOUDINESS ON MONDAY WILL START A COOL  
DOWN, THEN TUESDAY WILL SEE TEMPERATURES DROP FROM 17 TO 25  
DEGREES COMPARED TO TODAY, AND HUMIDITY WILL BE WAY UP.  
 
* EAST IDAHO DISPATCH AREA WEATHER IMPACT SUMMARY (ZONES 410...411  
AND 413)...  
   
..CRITICAL WEATHER THRESHOLDS MET AT SOME ELEVATIONS TODAY
 
 
AN APPROACHING LOW WILL INCREASE THE WARM AND DRY SOUTHERLY FLOW  
INTO EASTERN IDAHO AND MAKE TODAY THE WARMEST AND DRIEST OF THE  
UPCOMING WEEK. WIDESPREAD AREAS IN THE LOWER ELEVATIONS WILL DROP  
BELOW 15 PERCENT, AND INCREASING GENERAL WIND WILL BRING GUSTY  
CONDITIONS DURING THE AFTERNOON BOTH TODAY AND AGAIN ON MONDAY  
AND TUESDAY. INCREASING CLOUDINESS ON MONDAY WILL START A COOL  
DOWN, THEN TUESDAY WILL SEE TEMPERATURES DROP FROM 17 TO 25  
DEGREES COMPARED TO TODAY, AND HUMIDITY WILL BE WAY UP.  
 
* SOUTH CENTRAL IDAHO DISPATCH AREA WEATHER IMPACT SUMMARY (ZONES  
422...425 AND 427)...  
   
..CRITICAL WEATHER THRESHOLDS MET AT SOME ELEVATIONS TODAY
 
 
AN APPROACHING LOW WILL INCREASE THE WARM AND DRY SOUTHERLY FLOW  
INTO SOUTHERN IDAHO AND MAKE TODAY THE WARMEST AND DRIEST OF THE  
UPCOMING WEEK. WIDESPREAD AREAS IN THE LOWER ELEVATIONS WILL DROP  
BELOW 15 PERCENT, AND INCREASING GENERAL WIND WILL BRING GUSTY  
CONDITIONS DURING THE AFTERNOON BOTH TODAY AND AGAIN ON MONDAY  
AND TUESDAY. INCREASING CLOUDINESS ON MONDAY WILL START A COOL  
DOWN, THEN TUESDAY WILL SEE TEMPERATURES DROP FROM 17 TO 25  
DEGREES COMPARED TO TODAY, AND HUMIDITY WILL BE WAY UP.  
 
IDZ475-152245-  
EAST SALMON RIVER MOUNTAINS/SALMON NF-  
335 AM MDT SUN SEP 15 2019  
   
TODAY
 
 
* SKY/WEATHER........SUNNY.  
* MAX TEMPERATURE....73-80 VALLEYS AND 65-72 RIDGES.  
24 HR TREND......UP 3.  
* MIN HUMIDITY.......13-18 PERCENT.  
24 HR TREND......DOWN 8.  
* 20FT WINDS.........  
VALLEYS/LWR SLOPES...SOUTH 3 TO 9 MPH INCREASING TO SOUTHWEST  
* 16 TO 21 MPH IN THE AFTERNOON.  
RIDGES/UPR SLOPES....BREEZY. SOUTH 12 TO 17 MPH WITH GUSTS TO  
* 25 MPH SHIFTING TO THE SOUTHWEST  
* 19 TO 29 MPH WITH GUSTS TO 45 MPH  
* IN THE AFTERNOON.  
* CHC WETTING RAIN...ZERO.  
* LAL................1.  
* HAINES INDEX.......4.  
* MIXING HEIGHT......10500-11500 FT AGL.  
* TRANSPORT WINDS....BECOMING SOUTHWEST 30 MPH IN THE AFTERNOON.  
   
TONIGHT
 
 
* SKY/WEATHER........MOSTLY CLEAR.  
* MIN TEMPERATURE....43-50.  
24 HR TREND......LITTLE CHANGE.  
* MAX HUMIDITY.......33-41 PERCENT.  
24 HR TREND......DOWN 3.  
* 20FT WINDS.........  
VALLEYS/LWR SLOPES...SOUTH 15 TO 20 MPH DECREASING TO 3 TO 9  
* MPH AFTER MIDNIGHT.  
RIDGES/UPR SLOPES....BREEZY. SOUTH 17 TO 27 MPH WITH GUSTS TO  
* 40 MPH DECREASING TO 12 TO 17 MPH  
* WITH GUSTS TO 30 MPH AFTER  
* MIDNIGHT.  
* CHC WETTING RAIN...ZERO.  
* LAL................1.  
* HAINES INDEX.......5.  
* MIXING HEIGHT......800-1800 FT AGL.  
* TRANSPORT WINDS....SOUTHWEST 30 MPH IN THE EVENING.  
   
MONDAY
 
 
* SKY/WEATHER........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.  
SLIGHT CHANCE OF RAIN IN THE AFTERNOON.  
* MAX TEMPERATURE....66-73 VALLEYS AND 56-63 RIDGES.  
24 HR TREND......DOWN 8.  
* MIN HUMIDITY.......16-24 PERCENT.  
24 HR TREND......UP 5.  
* 20FT WINDS.........  
VALLEYS/LWR SLOPES...SOUTH 7 TO 12 MPH.  
RIDGES/UPR SLOPES....SOUTH 8 TO 18 MPH WITH GUSTS TO 30  
* MPH.  
* CHC WETTING RAIN...ZERO.  
* LAL................1.  
* HAINES INDEX.......5.  
* MIXING HEIGHT......11750-12750 FT AGL.  
* TRANSPORT WINDS....BECOMING SOUTHWEST 30 MPH IN THE AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
TUESDAY
 
COOLER, BREEZY. MOSTLY CLOUDY. CHANCE OF SHOWERS AND  
SNOW SHOWERS. LOWS 36 TO 43. HIGHS 48 TO 55. WEST WINDS 15 TO  
25 MPH WITH GUSTS TO 35 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE  
OF SNOW SHOWERS. LOWS 36 TO 43. HIGHS 52 TO 59. SOUTH WINDS 10 TO  
20 MPH WITH GUSTS TO 25 MPH.    
THURSDAY
 
SHOWERS LIKELY. LOWS 37 TO 44. HIGHS 48 TO 55. WEST  
WINDS 10 TO 20 MPH.    
FRIDAY
 
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE UPPER  
30S. HIGHS IN THE UPPER 40S.    
SATURDAY
 
PARTLY CLOUDY. CHANCE OF SHOWERS AND SNOW SHOWERS.  
LOWS IN THE UPPER 30S. HIGHS IN THE LOWER 50S.  
 

 
 
IDZ476-152245-  
LEMHI AND LOST RIVER RANGE/CHALLIS NF-  
335 AM MDT SUN SEP 15 2019  
   
TODAY
 
 
* SKY/WEATHER........SUNNY.  
* MAX TEMPERATURE....76-83 VALLEYS AND 64-71 RIDGES.  
24 HR TREND......UP 2.  
* MIN HUMIDITY.......12-17 PERCENT.  
24 HR TREND......DOWN 6.  
* 20FT WINDS.........  
VALLEYS/LWR SLOPES...SOUTH 2 TO 8 MPH INCREASING TO SOUTHWEST  
* 13 TO 18 MPH IN THE AFTERNOON.  
RIDGES/UPR SLOPES....BREEZY. SOUTH 13 TO 18 MPH WITH GUSTS TO  
* 30 MPH SHIFTING TO THE SOUTHWEST  
* 19 TO 29 MPH WITH GUSTS TO 50 MPH  
* IN THE AFTERNOON.  
* CHC WETTING RAIN...ZERO.  
* LAL................1.  
* HAINES INDEX.......5.  
* MIXING HEIGHT......10500-11500 FT AGL.  
* TRANSPORT WINDS....SOUTH 10 MPH INCREASING TO SOUTHWEST 30 MPH IN  
THE AFTERNOON.  
   
TONIGHT
 
 
* SKY/WEATHER........MOSTLY CLEAR.  
* MIN TEMPERATURE....43-50.  
24 HR TREND......LITTLE CHANGE.  
* MAX HUMIDITY.......33-41 PERCENT.  
24 HR TREND......DOWN 3.  
* 20FT WINDS.........  
VALLEYS/LWR SLOPES...SOUTH 13 TO 18 MPH DECREASING TO 3 TO 9  
* MPH AFTER MIDNIGHT.  
RIDGES/UPR SLOPES....BREEZY. SOUTH 16 TO 26 MPH. GUSTS UP TO 40  
* MPH DECREASING TO 30 MPH AFTER MIDNIGHT.  
* CHC WETTING RAIN...ZERO.  
* LAL................1.  
* HAINES INDEX.......5.  
* MIXING HEIGHT......800-1800 FT AGL.  
* TRANSPORT WINDS....SOUTHWEST 30 MPH IN THE EVENING.  
   
MONDAY
 
 
* SKY/WEATHER........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.  
* MAX TEMPERATURE....68-75 VALLEYS AND 57-64 RIDGES.  
24 HR TREND......DOWN 7.  
* MIN HUMIDITY.......14-20 PERCENT VALLEYS AND 17-24 PERCENT  
RIDGES.  
24 HR TREND......UP 4.  
* 20FT WINDS.........  
VALLEYS/LWR SLOPES...SOUTH 6 TO 11 MPH.  
RIDGES/UPR SLOPES....SOUTH 10 TO 20 MPH WITH GUSTS TO 30  
* MPH.  
* CHC WETTING RAIN...ZERO.  
* LAL................1.  
* HAINES INDEX.......5.  
* MIXING HEIGHT......11750-12750 FT AGL.  
* TRANSPORT WINDS....BECOMING SOUTHWEST 30 MPH IN THE AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
TUESDAY
 
COOLER, BREEZY. MOSTLY CLOUDY. CHANCE OF SHOWERS, SNOW  
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS. LOWS 36 TO 43. HIGHS  
48 TO 55. WEST WINDS 15 TO 25 MPH WITH GUSTS TO 35 MPH.    
WEDNESDAY
 
BREEZY. MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS. LOWS  
33 TO 40. HIGHS 53 TO 60. SOUTH WINDS 15 TO 25 MPH.    
THURSDAY
 
BREEZY. PARTLY CLOUDY. CHANCE OF SHOWERS. LOWS 36 TO  
43. HIGHS 49 TO 56. SOUTH WINDS 15 TO 25 MPH.    
FRIDAY
 
MOSTLY CLOUDY. CHANCE OF SHOWERS AND SNOW SHOWERS  
LIKELY. LOWS IN THE UPPER 30S. HIGHS IN THE UPPER 40S.    
SATURDAY
 
PARTLY CLOUDY. CHANCE OF SHOWERS AND SNOW SHOWERS.  
LOWS IN THE MID 30S. HIGHS IN THE LOWER 50S.  
 

 
 
IDZ422-152245-  
SAWTOOTH RANGE/NORTHERN SAWTOOTH NF-  
335 AM MDT SUN SEP 15 2019  
   
TODAY
 
 
* SKY/WEATHER........SUNNY.  
* MAX TEMPERATURE....75-82 VALLEYS AND 64-71 RIDGES.  
24 HR TREND......LITTLE CHANGE.  
* MIN HUMIDITY.......12-17 PERCENT.  
24 HR TREND......DOWN 5.  
* 20FT WINDS.........  
VALLEYS/LWR SLOPES...NORTHEAST 2 TO 8 MPH SHIFTING TO THE SOUTH  
* 7 TO 12 MPH IN THE AFTERNOON.  
RIDGES/UPR SLOPES....SOUTHWEST 9 TO 19 MPH WITH GUSTS TO  
* 30 MPH.  
* CHC WETTING RAIN...ZERO.  
* LAL................1.  
* HAINES INDEX.......5.  
* MIXING HEIGHT......12000-13000 FT AGL.  
* TRANSPORT WINDS....BECOMING SOUTHWEST 30 MPH IN THE AFTERNOON.  
   
TONIGHT
 
 
* SKY/WEATHER........MOSTLY CLEAR.  
* MIN TEMPERATURE....42-49.  
24 HR TREND......LITTLE CHANGE.  
* MAX HUMIDITY.......41-49 PERCENT VALLEYS AND 34-42 PERCENT  
RIDGES.  
24 HR TREND......DOWN 4.  
* 20FT WINDS.........  
VALLEYS/LWR SLOPES...SOUTHWEST 3 TO 9 MPH SHIFTING TO THE  
* NORTHWEST 2 TO 7 MPH AFTER MIDNIGHT.  
RIDGES/UPR SLOPES....SOUTHWEST 8 TO 18 MPH WITH GUSTS TO  
* 30 MPH.  
* CHC WETTING RAIN...ZERO.  
* LAL................1.  
* HAINES INDEX.......5.  
* MIXING HEIGHT......800-1800 FT AGL.  
* TRANSPORT WINDS....SOUTHWEST 25 MPH IN THE EVENING BECOMING  
LIGHT.  
   
MONDAY
 
 
* SKY/WEATHER........PARTLY CLOUDY.  
* MAX TEMPERATURE....66-73 VALLEYS AND 55-62 RIDGES.  
24 HR TREND......DOWN 9.  
* MIN HUMIDITY.......16-23 PERCENT.  
24 HR TREND......UP 5.  
* 20FT WINDS.........  
VALLEYS/LWR SLOPES...NORTHWEST 2 TO 7 MPH SHIFTING TO THE  
* SOUTHWEST 4 TO 10 MPH IN THE AFTERNOON.  
RIDGES/UPR SLOPES....SOUTHWEST 12 TO 17 MPH WITH GUSTS TO  
* 30 MPH.  
* CHC WETTING RAIN...ZERO.  
* LAL................1.  
* HAINES INDEX.......5.  
* MIXING HEIGHT......11750-12750 FT AGL.  
* TRANSPORT WINDS....BECOMING SOUTHWEST 25 MPH IN THE AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
TUESDAY
 
COOLER. MOSTLY CLOUDY. CHANCE OF SHOWERS, SNOW SHOWERS  
AND SLIGHT CHANCE OF THUNDERSTORMS. LOWS 34 TO 41. HIGHS 48 TO  
55. WEST WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH.    
WEDNESDAY
 
BREEZY. MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS. LOWS  
33 TO 40. HIGHS 54 TO 61. SOUTH WINDS 15 TO 25 MPH.    
THURSDAY
 
BREEZY. MOSTLY CLOUDY. CHANCE OF SHOWERS. LOWS 34 TO  
41. HIGHS 48 TO 55. SOUTHWEST WINDS 15 TO 25 MPH.    
FRIDAY
 
MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND SNOW SHOWERS.  
LOWS IN THE MID 30S. HIGHS IN THE UPPER 40S.    
SATURDAY
 
PARTLY CLOUDY. CHANCE OF SHOWERS AND SNOW SHOWERS.  
LOWS IN THE MID 30S. HIGHS IN THE LOWER 50S.  
 

 
 
IDZ425-152245-  
MIDDLE SNAKE RIVER VALLEY/TWIN FALLS BLM NORTH OF THE SNAKE RIVER-  
335 AM MDT SUN SEP 15 2019  
   
TODAY
 
 
* SKY/WEATHER........SUNNY.  
* MAX TEMPERATURE....AROUND 86.  
24 HR TREND......LITTLE CHANGE.  
* MIN HUMIDITY.......13 PERCENT.  
24 HR TREND......LITTLE CHANGE.  
* 20FT WINDS.........NORTHEAST 4 TO 10 MPH SHIFTING TO THE SOUTH 8  
TO 13 MPH IN THE AFTERNOON. GUSTS UP TO 20  
MPH.  
* CHC WETTING RAIN...ZERO.  
* LAL................1.  
* HAINES INDEX.......5.  
* MIXING HEIGHT......13500-14500 FT AGL.  
* TRANSPORT WINDS....EAST 10 MPH INCREASING TO SOUTHWEST 20 MPH IN  
THE AFTERNOON.  
   
TONIGHT
 
 
* SKY/WEATHER........CLEAR THEN BECOMING PARTLY CLOUDY.  
* MIN TEMPERATURE....AROUND 52.  
24 HR TREND......LITTLE CHANGE.  
* MAX HUMIDITY.......47-55 PERCENT.  
24 HR TREND......DOWN 8.  
* 20FT WINDS.........SOUTHWEST 9 TO 14 MPH SHIFTING TO THE EAST 2  
TO 8 MPH AFTER MIDNIGHT. GUSTS UP TO 20 MPH.  
* CHC WETTING RAIN...ZERO.  
* LAL................1.  
* HAINES INDEX.......5.  
* MIXING HEIGHT......900-1900 FT AGL.  
* TRANSPORT WINDS....SOUTHWEST 15 MPH IN THE EVENING.  
   
MONDAY
 
 
* SKY/WEATHER........PARTLY CLOUDY.  
* MAX TEMPERATURE....76-81.  
24 HR TREND......DOWN 8.  
* MIN HUMIDITY.......14-22 PERCENT.  
24 HR TREND......UP 5.  
* 20FT WINDS.........SOUTHEAST 2 TO 7 MPH SHIFTING TO THE SOUTHWEST  
4 TO 10 MPH WITH GUSTS TO 20 MPH IN THE  
AFTERNOON.  
* CHC WETTING RAIN...ZERO.  
* LAL................1.  
* HAINES INDEX.......5.  
* MIXING HEIGHT......11500-12500 FT AGL.  
* TRANSPORT WINDS....BECOMING SOUTHWEST 15 MPH IN THE AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
TUESDAY
 
COOLER, BREEZY. MOSTLY CLOUDY. CHANCE OF SHOWERS AND  
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS IN THE  
LOWER 60S. WEST WINDS 15 TO 25 MPH WITH GUSTS TO 30 MPH.    
WEDNESDAY
 
CLEAR. LOWS 38 TO 43. HIGHS 68 TO 74. SOUTHEAST  
WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH.    
THURSDAY
 
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS. LOWS IN THE  
LOWER 40S. HIGHS IN THE MID 60S. SOUTHWEST WINDS 10 TO 15 MPH  
WITH GUSTS TO 20 MPH.    
FRIDAY
 
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS IN THE  
UPPER 30S. HIGHS IN THE UPPER 50S.    
SATURDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS. LOWS IN  
THE UPPER 30S. HIGHS IN THE LOWER 60S.  
 

 
 
IDZ427-152245-  
GOOSE CREEK AND RAFT RIVER VALLEY/SOUTHERN SAWTOOTH NF/TWIN FALLS  
BLM SOUTH OF THE SNAKE RIVER-  
335 AM MDT SUN SEP 15 2019  
   
TODAY
 
 
* SKY/WEATHER........SUNNY.  
* MAX TEMPERATURE....83-88 VALLEYS AND 76-83 RIDGES.  
24 HR TREND......LITTLE CHANGE.  
* MIN HUMIDITY.......11-16 PERCENT.  
24 HR TREND......LITTLE CHANGE.  
* 20FT WINDS.........  
VALLEYS/LWR SLOPES...SOUTH 9 TO 14 MPH.  
RIDGES/UPR SLOPES....SOUTH 7 TO 17 MPH WITH GUSTS TO 25  
* MPH.  
* CHC WETTING RAIN...ZERO.  
* LAL................1.  
* HAINES INDEX.......6.  
* MIXING HEIGHT......12500-13500 FT AGL.  
* TRANSPORT WINDS....SOUTH 10 MPH INCREASING TO SOUTHWEST 25 MPH  
IN THE AFTERNOON.  
   
TONIGHT
 
 
* SKY/WEATHER........MOSTLY CLEAR.  
* MIN TEMPERATURE....50-57.  
24 HR TREND......LITTLE CHANGE.  
* MAX HUMIDITY.......44-52 PERCENT VALLEYS AND 37-45 PERCENT  
RIDGES.  
24 HR TREND......UP 3.  
* 20FT WINDS.........  
VALLEYS/LWR SLOPES...SOUTH 9 TO 14 MPH.  
RIDGES/UPR SLOPES....SOUTH 8 TO 18 MPH WITH GUSTS TO 30  
* MPH.  
* CHC WETTING RAIN...ZERO.  
* LAL................1.  
* HAINES INDEX.......6.  
* MIXING HEIGHT......900-1900 FT AGL.  
* TRANSPORT WINDS....SOUTHWEST 25 MPH BECOMING SOUTH 10 MPH  
AFTER MIDNIGHT.  
   
MONDAY
 
 
* SKY/WEATHER........PARTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS  
IN THE AFTERNOON.  
* MAX TEMPERATURE....76-81 VALLEYS AND 68-75 RIDGES.  
24 HR TREND......DOWN 7.  
* MIN HUMIDITY.......17-22 PERCENT.  
24 HR TREND......UP 6.  
* 20FT WINDS.........  
VALLEYS/LWR SLOPES...SOUTH 12 TO 17 MPH.  
RIDGES/UPR SLOPES....SOUTH 15 TO 20 MPH. GUSTS UP TO 20 MPH  
* INCREASING TO 30 MPH IN THE AFTERNOON.  
* CHC WETTING RAIN...ZERO.  
* LAL................1.  
* HAINES INDEX.......5.  
* MIXING HEIGHT......10500-11500 FT AGL.  
* TRANSPORT WINDS....SOUTH 10 MPH INCREASING TO 20 MPH IN THE  
AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
TUESDAY
 
MUCH COOLER. WINDY. MOSTLY CLOUDY. CHANCE OF SHOWERS  
AND SLIGHT CHANCE OF THUNDERSTORMS. LOWS 40 TO 47. HIGHS 56 TO  
63. WEST WINDS 20 TO 35 MPH WITH GUSTS TO 45 MPH.    
WEDNESDAY
 
CLEAR. LOWS 38 TO 45. HIGHS 64 TO 71. SOUTH WINDS  
10 TO 20 MPH.    
THURSDAY
 
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS. LOWS 39 TO  
46. HIGHS 56 TO 63. WEST WINDS 10 TO 20 MPH.    
FRIDAY
 
MOSTLY CLOUDY. CHANCE OF SHOWERS. LOWS AROUND 40. HIGHS  
IN THE MID 50S.    
SATURDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS. LOWS IN  
THE UPPER 30S. HIGHS AROUND 60.  
 

 
 
IDZ410-152245-  
UPPER SNAKE RIVER VALLEY/IDAHO FALLS BLM-  
335 AM MDT SUN SEP 15 2019  
   
TODAY
 
 
* SKY/WEATHER........SUNNY.  
* MAX TEMPERATURE....79-86.  
24 HR TREND......UP 3.  
* MIN HUMIDITY.......11-16 PERCENT.  
24 HR TREND......DOWN 3.  
* 20FT WINDS.........EAST 3 TO 9 MPH SHIFTING TO THE SOUTH 10 TO  
15 MPH IN THE AFTERNOON. GUSTS UP TO 25 MPH.  
* CHC WETTING RAIN...ZERO.  
* LAL................1.  
* HAINES INDEX.......5.  
* MIXING HEIGHT......13000-14000 FT AGL.  
* TRANSPORT WINDS....BECOMING SOUTHWEST 25 MPH IN THE AFTERNOON.  
   
TONIGHT
 
 
* SKY/WEATHER........MOSTLY CLEAR.  
* MIN TEMPERATURE....47-54.  
24 HR TREND......UP 2.  
* MAX HUMIDITY.......46-54 PERCENT.  
24 HR TREND......DOWN 5.  
* 20FT WINDS.........SOUTHEAST 10 TO 15 MPH WITH GUSTS TO 25 MPH.  
* CHC WETTING RAIN...ZERO.  
* LAL................1.  
* HAINES INDEX.......5.  
* MIXING HEIGHT......800-1800 FT AGL.  
* TRANSPORT WINDS....SOUTHWEST 25 MPH IN THE EVENING.  
   
MONDAY
 
 
* SKY/WEATHER........PARTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS  
IN THE AFTERNOON.  
* MAX TEMPERATURE....73-80.  
24 HR TREND......DOWN 6.  
* MIN HUMIDITY.......16-24 PERCENT.  
24 HR TREND......UP 6.  
* 20FT WINDS.........SOUTH 12 TO 17 MPH. GUSTS UP TO 20 MPH  
INCREASING TO 30 MPH IN THE AFTERNOON.  
* CHC WETTING RAIN...ZERO.  
* LAL................1.  
* HAINES INDEX.......5.  
* MIXING HEIGHT......11250-12250 FT AGL.  
* TRANSPORT WINDS....SOUTH 10 MPH INCREASING TO 25 MPH IN THE  
AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
TUESDAY
 
MUCH COOLER. BREEZY. MOSTLY CLOUDY. CHANCE OF SHOWERS  
AND SLIGHT CHANCE OF THUNDERSTORMS. LOWS 42 TO 47. HIGHS 55 TO  
62. SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO 35 MPH.    
WEDNESDAY
 
CLEAR. LOWS 34 TO 40. HIGHS 64 TO 71. SOUTH WINDS  
10 TO 20 MPH WITH GUSTS TO 30 MPH.    
THURSDAY
 
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS. LOWS 38 TO  
44. HIGHS 59 TO 66. SOUTH WINDS 10 TO 20 MPH.    
FRIDAY
 
MOSTLY CLOUDY. CHANCE OF SHOWERS. LOWS AROUND 40. HIGHS  
IN THE MID 50S.    
SATURDAY
 
MOSTLY CLOUDY. CHANCE OF SHOWERS. LOWS IN THE UPPER  
30S. HIGHS IN THE UPPER 50S.  
 

 
 
IDZ411-152245-  
CENTENNIAL MOUNTAINS AND SNAKE RIVER RANGE/TARGHEE NF-  
335 AM MDT SUN SEP 15 2019  
   
TODAY
 
 
* SKY/WEATHER........SUNNY.  
* MAX TEMPERATURE....AROUND 80 VALLEYS AND 71-78 RIDGES.  
24 HR TREND......UP 5.  
* MIN HUMIDITY.......13-18 PERCENT VALLEYS AND 15-22 PERCENT  
RIDGES.  
24 HR TREND......DOWN 7.  
* 20FT WINDS.........  
VALLEYS/LWR SLOPES...SOUTHEAST 2 TO 7 MPH SHIFTING TO THE  
* SOUTHWEST 7 TO 12 MPH IN THE AFTERNOON.  
RIDGES/UPR SLOPES....SOUTH 12 TO 17 MPH. GUSTS UP TO 20 MPH  
* INCREASING TO 30 MPH IN THE AFTERNOON.  
* CHC WETTING RAIN...ZERO.  
* LAL................1.  
* HAINES INDEX.......4.  
* MIXING HEIGHT......10250-11250 FT AGL.  
* TRANSPORT WINDS....BECOMING SOUTHWEST 30 MPH IN THE AFTERNOON.  
   
TONIGHT
 
 
* SKY/WEATHER........MOSTLY CLEAR.  
* MIN TEMPERATURE....44-51.  
24 HR TREND......UP 2.  
* MAX HUMIDITY.......59-67 PERCENT VALLEYS AND 45-53 PERCENT  
RIDGES.  
24 HR TREND......DOWN 9.  
* 20FT WINDS.........  
VALLEYS/LWR SLOPES...SOUTH 6 TO 11 MPH.  
RIDGES/UPR SLOPES....SOUTH 12 TO 17 MPH WITH GUSTS TO 30  
* MPH.  
* CHC WETTING RAIN...ZERO.  
* LAL................1.  
* HAINES INDEX.......5.  
* MIXING HEIGHT......900-1900 FT AGL.  
* TRANSPORT WINDS....SOUTHWEST 25 MPH BECOMING SOUTHEAST 10 MPH  
AFTER MIDNIGHT.  
   
MONDAY
 
 
* SKY/WEATHER........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE....AROUND 75 VALLEYS AND 64-71 RIDGES.  
24 HR TREND......DOWN 5.  
* MIN HUMIDITY.......25-33 PERCENT.  
24 HR TREND......UP 9.  
* 20FT WINDS.........  
VALLEYS/LWR SLOPES...SOUTH 8 TO 13 MPH.  
RIDGES/UPR SLOPES....SOUTH 13 TO 18 MPH WITH GUSTS TO 30  
* MPH.  
* CHC WETTING RAIN...ZERO.  
* LAL................2.  
* HAINES INDEX.......5.  
* MIXING HEIGHT......9500-10500 FT AGL.  
* TRANSPORT WINDS....SOUTH 10 MPH INCREASING TO SOUTHWEST 30 MPH  
IN THE AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
TUESDAY
 
MUCH COOLER. BREEZY. MOSTLY CLOUDY. CHANCE OF SHOWERS  
AND SLIGHT CHANCE OF THUNDERSTORMS. LOWS 37 TO 43. HIGHS 46 TO  
53. SOUTH WINDS 15 TO 25 MPH WITH GUSTS TO 35 MPH.    
WEDNESDAY
 
BREEZY, CLEAR. CHANCE OF SHOWERS. LOWS 32 TO 39.  
HIGHS 55 TO 62. SOUTH WINDS 15 TO 25 MPH WITH GUSTS TO  
30 MPH.    
THURSDAY
 
BREEZY. MOSTLY CLEAR. CHANCE OF SHOWERS. LOWS 35 TO  
42. HIGHS 53 TO 60. SOUTH WINDS 15 TO 25 MPH.    
FRIDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE UPPER 30S.  
HIGHS IN THE UPPER 40S.    
SATURDAY
 
MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND SNOW  
SHOWERS. LOWS IN THE MID 30S. HIGHS IN THE UPPER 40S.  
 

 
 
IDZ413-152245-  
CARIBOU RANGE/CARIBOU NF-  
335 AM MDT SUN SEP 15 2019  
   
TODAY
 
 
* SKY/WEATHER........SUNNY.  
* MAX TEMPERATURE....79-86 VALLEYS AND 72-79 RIDGES.  
24 HR TREND......UP 3.  
* MIN HUMIDITY.......13-18 PERCENT.  
24 HR TREND......DOWN 3.  
* 20FT WINDS.........  
VALLEYS/LWR SLOPES...SOUTH 10 TO 15 MPH.  
RIDGES/UPR SLOPES....SOUTH 9 TO 19 MPH WITH GUSTS TO 30  
* MPH.  
* CHC WETTING RAIN...ZERO.  
* LAL................1.  
* HAINES INDEX.......6.  
* MIXING HEIGHT......12000-13000 FT AGL.  
* TRANSPORT WINDS....SOUTHEAST 10 MPH INCREASING TO SOUTHWEST  
25 MPH IN THE AFTERNOON.  
   
TONIGHT
 
 
* SKY/WEATHER........CLEAR THEN BECOMING PARTLY CLOUDY.  
* MIN TEMPERATURE....48-55.  
24 HR TREND......UP 3.  
* MAX HUMIDITY.......52-60 PERCENT.  
24 HR TREND......UP 5.  
* 20FT WINDS.........  
VALLEYS/LWR SLOPES...SOUTH 9 TO 14 MPH.  
RIDGES/UPR SLOPES....SOUTH 11 TO 21 MPH WITH GUSTS TO 35  
* MPH.  
* CHC WETTING RAIN...ZERO.  
* LAL................1.  
* HAINES INDEX.......6.  
* MIXING HEIGHT......800-1800 FT AGL.  
* TRANSPORT WINDS....SOUTHWEST 25 MPH BECOMING SOUTH 10 MPH  
AFTER MIDNIGHT.  
   
MONDAY
 
 
* SKY/WEATHER........PARTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS  
IN THE AFTERNOON.  
* MAX TEMPERATURE....75-82 VALLEYS AND 67-74 RIDGES.  
24 HR TREND......DOWN 5.  
* MIN HUMIDITY.......20-28 PERCENT VALLEYS AND 24-32 PERCENT  
RIDGES.  
24 HR TREND......UP 11.  
* 20FT WINDS.........  
VALLEYS/LWR SLOPES...SOUTH 14 TO 19 MPH.  
RIDGES/UPR SLOPES....SOUTH 13 TO 23 MPH. GUSTS UP TO 30 MPH  
* INCREASING TO 40 MPH IN THE AFTERNOON.  
* CHC WETTING RAIN...10 PERCENT.  
* LAL................1.  
* HAINES INDEX.......5.  
* MIXING HEIGHT......10500-11500 FT AGL.  
* TRANSPORT WINDS....SOUTH 10 MPH INCREASING TO 30 MPH IN THE  
AFTERNOON.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
TUESDAY
 
COOLER. VERY WINDY. MOSTLY CLOUDY. CHANCE OF SHOWERS  
AND SLIGHT CHANCE OF THUNDERSTORMS. LOWS 41 TO 48. HIGHS 53 TO  
60. SOUTHWEST WINDS 25 TO 40 MPH WITH GUSTS TO 55 MPH.    
WEDNESDAY
 
CLEAR. LOWS 34 TO 41. HIGHS 62 TO 69. SOUTH WINDS  
10 TO 20 MPH WITH GUSTS TO 30 MPH.    
THURSDAY
 
BREEZY. MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS. LOWS  
38 TO 45. HIGHS 59 TO 66. SOUTH WINDS 15 TO 25 MPH.    
FRIDAY
 
PARTLY CLOUDY. CHANCE OF SHOWERS. LOWS AROUND 40. HIGHS  
IN THE MID 50S.    
SATURDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS IN THE  
UPPER 30S. HIGHS IN THE UPPER 50S.  
 

 
 
.OUTLOOK FROM SUNDAY SEPTEMBER 22 TO SATURDAY SEPTEMBER 28:  
ABOVE NORMAL TEMPERATURE AND NEAR NORMAL PRECIPITATION.  
 

 
 
MESSICK  
 

 
 
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