707  
FNUS55 KBOI 212103  
FWFBOI  
 
FIRE WEATHER PLANNING FORECAST FOR SW IDAHO AND SE OREGON  
NATIONAL WEATHER SERVICE BOISE ID  
303 PM MDT THU SEP 21 2017  
   
..WET AND COOL FRIDAY WITH BREEZY CONDITIONS BLM AREAS
 
   
..DRIER CONDITIONS EARLY NEXT WEEK
 
 
   
DISCUSSION
 
 
AN UPPER LOW CONTINUES TO SPIN OVER THE REGION THROUGH FRIDAY.  
BRINGING SHOWERS TO THE REGION WITH SNOW LEVELS AROUND 5500 TO  
6500 FEET. NORTHWEST WINDS WILL BE ON THE INCREASE ACROSS THE BLM  
AREAS FRIDAY AS THE SURFACE LOW MOVES INTO EASTERN IDAHO. DRIER  
CONDITIONS ARE EXPECTED SATURDAY AS AN UPPER RIDGE MOVES INTO THE  
PACIFIC NORTHWEST. A FAST MOVING UPPER DISTURBANCE IS EXPECTED TO  
DROP INTO THE REGION SUNDAY WITH ANOTHER BRIEF ROUND OF  
PRECIPITATION. OTHERWISDE AN UPPER RIDGE FINALLY MOVES BACK INTO  
THE PACIFIC NORTHWEST NEXT WEEK BRINGING A WARMING TREND TO THE  
REGION.  
 
 
IDZ401-402-221615-  
WESTERN PAYETTE NATIONAL FOREST-EASTERN PAYETTE NATIONAL FOREST-  
303 PM MDT THU SEP 21 2017  
   
TONIGHT
 
 
SKY/WEATHER.........CLOUDY. NUMEROUS RAIN AND SNOW SHOWERS, MAINLY  
AFTER MIDNIGHT. CHANCE OF PRECIPITATION 60  
PERCENT. SNOW ACCUMULATION UP TO 1 INCH.  
SNOW LEVEL AROUND 5500-6000 FEET.  
MIN TEMPERATURE.....28 TO 38.  
24 HR TREND......ON AVERAGE, 3 DEGREES WARMER.  
MAX HUMIDITY........83 TO 98 PERCENT.  
24 HR TREND......ON AVERAGE, 25 PERCENT DRIER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...NORTH 8 TO 12 MPH.  
RIDGES/UPR SLOPES....NORTH 8 TO 13 MPH.  
HAINES INDEX........3 VERY LOW.  
LAL.................1.  
CWR /0.10 INCH/.....40 PERCENT.  
SMOKE DISPERSAL:  
MIXING HEIGHT......500-1000 FT AGL.  
TRANSPORT WINDS....NORTH 10 TO 15 MPH.  
   
FRIDAY
 
 
SKY/WEATHER.........CLOUDY WITH RAIN AND SNOW SHOWERS LIKELY.  
CHANCE OF PRECIPITATION 60 PERCENT. SNOW  
ACCUMULATION UP TO 1 INCH. SNOW LEVEL AROUND  
5500-6000 FEET.  
MAX TEMPERATURE.....35 TO 50.  
24 HR TREND......ON AVERAGE, 4 DEGREES COOLER.  
MIN HUMIDITY........54 TO 78 PERCENT.  
24 HR TREND......ON AVERAGE, 6 PERCENT WETTER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...NORTH 8 TO 11 MPH.  
RIDGES/UPR SLOPES....NORTH 8 TO 12 MPH.  
HAINES INDEX........3 VERY LOW.  
LAL.................1.  
CWR /0.10 INCH/.....30 PERCENT.  
SMOKE DISPERSAL:  
MIXING HEIGHT......3000-4000 FT AGL.  
TRANSPORT WINDS....NORTH 10 TO 15 MPH.  
   
FRIDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF RAIN AND SNOW  
SHOWERS, MAINLY IN THE EVENING. CHANCE OF  
PRECIPITATION 30 PERCENT. SNOW LEVEL AROUND  
6000 FEET.  
MIN TEMPERATURE.....26 TO 37.  
24 HR TREND......ON AVERAGE, UNCHANGED.  
MAX HUMIDITY........78 TO 95 PERCENT.  
24 HR TREND......ON AVERAGE, 4 PERCENT DRIER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...LIGHT DOWNSLOPE WINDS LESS THAN 8 MPH.  
RIDGES/UPR SLOPES....NORTH AROUND 8 MPH IN THE EVENING,  
BECOMING LIGHT AFTER MIDNIGHT.  
HAINES INDEX........2 VERY LOW.  
LAL.................1.  
CWR /0.10 INCH/.....10 PERCENT.  
SMOKE DISPERSAL:  
MIXING HEIGHT......300-800 FT AGL.  
TRANSPORT WINDS....NORTHEAST UP TO 10 MPH.  
   
SATURDAY
 
 
SKY/WEATHER.........PARTLY SUNNY WITH A 20 PERCENT CHANCE OF RAIN  
AND SNOW SHOWERS. SNOW LEVEL AROUND 6500 FEET.  
MAX TEMPERATURE.....41 TO 54.  
24 HR TREND......ON AVERAGE, 6 DEGREES WARMER.  
MIN HUMIDITY........40 TO 55 PERCENT.  
24 HR TREND......ON AVERAGE, 18 PERCENT DRIER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...LIGHT UPSLOPE WINDS LESS THAN 8 MPH.  
RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 8 MPH.  
HAINES INDEX........2 VERY LOW.  
LAL.................1.  
CWR /0.10 INCH/.....10 PERCENT.  
SMOKE DISPERSAL:  
MIXING HEIGHT......4500-6500 FT AGL.  
TRANSPORT WINDS....NORTH 5 TO 10 MPH.  
 

 
=  
 
IDZ403-221615-  
NORTHERN BOISE NATIONAL FOREST-  
303 PM MDT THU SEP 21 2017  
   
TONIGHT
 
 
SKY/WEATHER.........CLOUDY WITH NUMEROUS RAIN AND SNOW SHOWERS.  
CHANCE OF PRECIPITATION 60 PERCENT. SNOW  
ACCUMULATION UP TO 2 INCHES. SNOW LEVEL AROUND  
5500-6000 FEET.  
MIN TEMPERATURE.....26 TO 34.  
24 HR TREND......ON AVERAGE, 5 DEGREES WARMER.  
MAX HUMIDITY........91 TO 100 PERCENT.  
24 HR TREND......ON AVERAGE, 34 PERCENT DRIER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...NORTH AROUND 10 MPH.  
RIDGES/UPR SLOPES....NORTH 8 TO 11 MPH.  
HAINES INDEX........3 VERY LOW.  
LAL.................1.  
CWR /0.10 INCH/.....40 PERCENT.  
SMOKE DISPERSAL:  
MIXING HEIGHT......1000-2000 FT AGL.  
TRANSPORT WINDS....NORTHEAST 5 TO 15 MPH.  
   
FRIDAY
 
 
SKY/WEATHER.........CLOUDY WITH NUMEROUS RAIN AND SNOW SHOWERS  
LIKELY. CHANCE OF PRECIPITATION 70 PERCENT.  
SNOW ACCUMULATION UP TO 1 INCH. SNOW LEVEL AROUND  
6000 FEET.  
MAX TEMPERATURE.....34 TO 47.  
24 HR TREND......ON AVERAGE, 3 DEGREES COOLER.  
MIN HUMIDITY........62 TO 76 PERCENT.  
24 HR TREND......ON AVERAGE, 6 PERCENT WETTER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...LIGHT UPSLOPE WINDS LESS THAN 8 MPH.  
RIDGES/UPR SLOPES....NORTH AROUND 9 MPH.  
HAINES INDEX........3 VERY LOW.  
LAL.................1.  
CWR /0.10 INCH/.....40 PERCENT.  
SMOKE DISPERSAL:  
MIXING HEIGHT......3500-4500 FT AGL.  
TRANSPORT WINDS....NORTH 5 TO 10 MPH.  
   
FRIDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY WITH A CHANCE OF SNOW SHOWERS. A  
CHANCE OF RAIN SHOWERS, MAINLY IN THE EVENING.  
CHANCE OF PRECIPITATION 30 PERCENT. SNOW LEVEL AROUND  
6500 FEET.  
MIN TEMPERATURE.....24 TO 32.  
24 HR TREND......ON AVERAGE, 3 DEGREES COOLER.  
MAX HUMIDITY........89 TO 100 PERCENT.  
24 HR TREND......ON AVERAGE, 2 PERCENT DRIER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...LIGHT DOWNSLOPE WINDS LESS THAN 8 MPH.  
RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 8 MPH.  
HAINES INDEX........3 VERY LOW.  
LAL.................1.  
CWR /0.10 INCH/.....10 PERCENT.  
SMOKE DISPERSAL:  
MIXING HEIGHT......300-800 FT AGL.  
TRANSPORT WINDS....NORTHEAST 5 TO 10 MPH.  
   
SATURDAY
 
 
SKY/WEATHER.........PARTLY SUNNY WITH A 20 PERCENT CHANCE OF RAIN  
AND SNOW SHOWERS. SNOW LEVEL AROUND  
6500 FEET.  
MAX TEMPERATURE.....39 TO 53.  
24 HR TREND......ON AVERAGE, 5 DEGREES WARMER.  
MIN HUMIDITY........45 TO 58 PERCENT.  
24 HR TREND......ON AVERAGE, 18 PERCENT DRIER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...LIGHT UPSLOPE WINDS LESS THAN 8 MPH.  
RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 8 MPH.  
HAINES INDEX........2 VERY LOW.  
LAL.................1.  
CWR /0.10 INCH/.....10 PERCENT.  
SMOKE DISPERSAL:  
MIXING HEIGHT......4500-6500 FT AGL.  
TRANSPORT WINDS....NORTH AROUND 5 MPH.  
 

 
=  
 
IDZ421-221615-  
SOUTHERN BOISE NATIONAL FOREST/WESTERN SAWTOOTH NATIONAL FOREST-  
303 PM MDT THU SEP 21 2017  
   
TONIGHT
 
 
SKY/WEATHER.........CLOUDY WITH NUMEROUS SNOW SHOWERS. NUMEROUS  
RAIN SHOWERS, MAINLY AFTER MIDNIGHT. CHANCE OF  
PRECIPITATION 60 PERCENT. SNOW ACCUMULATION UP  
TO 1 INCH. SNOW LEVEL AROUND 6500 FEET.  
MIN TEMPERATURE.....30 TO 36, EXCEPT 27 TO 32 ABOVE 6500 FEET.  
24 HR TREND......ON AVERAGE, 3 DEGREES COOLER.  
MAX HUMIDITY........89 TO 100 PERCENT.  
24 HR TREND......ON AVERAGE, 12 PERCENT DRIER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...NORTHWEST AROUND 8 MPH IN THE EVENING,  
BECOMING LIGHT DOWNSLOPE LESS THAN 8 MPH  
AFTER MIDNIGHT.  
RIDGES/UPR SLOPES....NORTHWEST 8 TO 9 MPH IN THE EVENING,  
BECOMING LIGHT AFTER MIDNIGHT.  
HAINES INDEX........3 VERY LOW.  
LAL.................1.  
CWR /0.10 INCH/.....40 PERCENT.  
SMOKE DISPERSAL:  
MIXING HEIGHT......300-800 FT AGL.  
TRANSPORT WINDS....NORTHWEST 5 TO 10 MPH.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY WITH SHOWERS LIKELY. CHANCE OF  
PRECIPITATION 60 PERCENT. SNOW ACCUMULATION UP TO 1 INCH.  
SNOW LEVEL AROUND 6500 FEET.  
MAX TEMPERATURE.....41 TO 49, EXCEPT 35 TO 41 ABOVE 6500 FEET.  
24 HR TREND......ON AVERAGE, 3 DEGREES COOLER.  
MIN HUMIDITY........60 TO 71 PERCENT, EXCEPT 69 TO 78 PERCENT ABOVE  
6500 FEET.  
24 HR TREND......ON AVERAGE, 9 PERCENT WETTER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...LIGHT UPSLOPE WINDS LESS THAN 8 MPH IN THE  
MORNING, BECOMING WEST 8 TO 12 MPH IN THE  
AFTERNOON.  
RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 8 MPH IN THE  
MORNING, BECOMING WEST 8 TO 13 MPH IN THE  
AFTERNOON.  
HAINES INDEX........3 VERY LOW.  
LAL.................1.  
CWR /0.10 INCH/.....40 PERCENT.  
SMOKE DISPERSAL:  
MIXING HEIGHT......4000-5000 FT AGL.  
TRANSPORT WINDS....WEST 5 TO 10 MPH.  
   
FRIDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY WITH A CHANCE OF SNOW SHOWERS. A  
CHANCE OF RAIN SHOWERS, MAINLY IN THE EVENING.  
CHANCE OF PRECIPITATION 30 PERCENT. SNOW LEVEL AROUND  
6500 FEET.  
MIN TEMPERATURE.....27 TO 34, EXCEPT 24 TO 29 ABOVE 6500 FEET.  
24 HR TREND......ON AVERAGE, 2 DEGREES COOLER.  
MAX HUMIDITY........95 TO 100 PERCENT.  
24 HR TREND......ON AVERAGE, 4 PERCENT WETTER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...NORTHWEST AROUND 8 MPH IN THE EVENING,  
BECOMING LIGHT DOWNSLOPE LESS THAN 8 MPH  
AFTER MIDNIGHT.  
RIDGES/UPR SLOPES....NORTHWEST 8 TO 9 MPH IN THE EVENING,  
BECOMING LIGHT AFTER MIDNIGHT.  
HAINES INDEX........3 VERY LOW.  
LAL.................1.  
CWR /0.10 INCH/.....10 PERCENT.  
SMOKE DISPERSAL:  
MIXING HEIGHT......200-700 FT AGL.  
TRANSPORT WINDS....NORTHEAST UP TO 5 MPH.  
   
SATURDAY
 
 
SKY/WEATHER.........PARTLY SUNNY WITH A 20 PERCENT CHANCE OF RAIN  
AND SNOW SHOWERS. SNOW LEVEL AROUND  
6500 FEET.  
MAX TEMPERATURE.....46 TO 55, EXCEPT 39 TO 45 ABOVE 6500 FEET.  
24 HR TREND......ON AVERAGE, 5 DEGREES WARMER.  
MIN HUMIDITY........43 TO 52 PERCENT, EXCEPT 52 TO 62 PERCENT ABOVE  
6500 FEET.  
24 HR TREND......ON AVERAGE, 17 PERCENT DRIER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...LIGHT UPSLOPE WINDS LESS THAN 8 MPH.  
RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 8 MPH.  
HAINES INDEX........2 VERY LOW.  
LAL.................1.  
CWR /0.10 INCH/.....10 PERCENT.  
SMOKE DISPERSAL:  
MIXING HEIGHT......4500-6500 FT AGL.  
TRANSPORT WINDS....NORTH AROUND 5 MPH.  
 

 
=  
 
IDZ400-221615-  
NORTHERN BOISE BLM-  
303 PM MDT THU SEP 21 2017  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY WITH SCATTERED RAIN SHOWERS.  
CHANCE OF SHOWERS 40 PERCENT.  
MIN TEMPERATURE.....39 TO 44.  
24 HR TREND......ON AVERAGE, UNCHANGED.  
MAX HUMIDITY........77 TO 86 PERCENT.  
24 HR TREND......ON AVERAGE, 19 PERCENT DRIER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...NORTHWEST 8 TO 13 MPH.  
RIDGES/UPR SLOPES....NORTHWEST 8 TO 14 MPH.  
HAINES INDEX........3 VERY LOW.  
LAL.................1.  
CWR /0.10 INCH/.....20 PERCENT.  
SMOKE DISPERSAL:  
MIXING HEIGHT......200-300 FT AGL.  
TRANSPORT WINDS....NORTH 10 TO 15 MPH.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY WITH SCATTERED RAIN SHOWERS.  
CHANCE OF SHOWERS 40 PERCENT.  
MAX TEMPERATURE.....50 TO 59.  
24 HR TREND......ON AVERAGE, 2 DEGREES COOLER.  
MIN HUMIDITY........41 TO 57 PERCENT.  
24 HR TREND......ON AVERAGE, 5 PERCENT WETTER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...NORTHWEST 8 TO 12 MPH.  
RIDGES/UPR SLOPES....NORTHWEST 8 TO 13 MPH.  
HAINES INDEX........3 VERY LOW.  
LAL.................1.  
CWR /0.10 INCH/.....20 PERCENT.  
SMOKE DISPERSAL:  
MIXING HEIGHT......5500-7500 FT AGL.  
TRANSPORT WINDS....NORTH 5 TO 15 MPH.  
   
FRIDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN  
SHOWERS IN THE EVENING, THEN PARTLY CLOUDY  
AFTER MIDNIGHT.  
MIN TEMPERATURE.....37 TO 42.  
24 HR TREND......ON AVERAGE, 2 DEGREES COOLER.  
MAX HUMIDITY........73 TO 84 PERCENT.  
24 HR TREND......ON AVERAGE, 3 PERCENT DRIER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...NORTH AROUND 8 MPH IN THE EVENING,  
BECOMING LIGHT DOWNSLOPE LESS THAN 8 MPH  
AFTER MIDNIGHT.  
RIDGES/UPR SLOPES....NORTH 8 TO 9 MPH IN THE EVENING, BECOMING  
LIGHT AFTER MIDNIGHT.  
HAINES INDEX........2 VERY LOW.  
LAL.................1.  
CWR /0.10 INCH/.....10 PERCENT.  
SMOKE DISPERSAL:  
MIXING HEIGHT......200-300 FT AGL.  
TRANSPORT WINDS....NORTH 5 TO 10 MPH.  
   
SATURDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....54 TO 62.  
24 HR TREND......ON AVERAGE, 5 DEGREES WARMER.  
MIN HUMIDITY........32 TO 41 PERCENT.  
24 HR TREND......ON AVERAGE, 12 PERCENT DRIER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...LIGHT UPSLOPE WINDS LESS THAN 8 MPH.  
RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 8 MPH.  
HAINES INDEX........2 VERY LOW.  
LAL.................1.  
CWR /0.10 INCH/.....0 PERCENT.  
SMOKE DISPERSAL:  
MIXING HEIGHT......6500-8000 FT AGL.  
TRANSPORT WINDS....NORTH 5 TO 10 MPH.  
 

 
=  
 
IDZ420-424-221615-  
TREASURE VALLEY BLM-WESTERN TWIN FALLS BLM-  
303 PM MDT THU SEP 21 2017  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY WITH SCATTERED RAIN SHOWERS.  
CHANCE OF SHOWERS 40 PERCENT.  
MIN TEMPERATURE.....36 TO 41.  
24 HR TREND......ON AVERAGE, 9 DEGREES COOLER.  
MAX HUMIDITY........81 TO 91 PERCENT.  
24 HR TREND......ON AVERAGE, 3 PERCENT WETTER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...WEST 8 TO 11 MPH.  
RIDGES/UPR SLOPES....WEST AROUND 10 MPH.  
HAINES INDEX........3 VERY LOW.  
LAL.................1.  
CWR /0.10 INCH/.....20 PERCENT.  
SMOKE DISPERSAL:  
MIXING HEIGHT......200-300 FT AGL.  
TRANSPORT WINDS....NORTHWEST 10 TO 15 MPH.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY WITH SCATTERED RAIN SHOWERS.  
CHANCE OF SHOWERS 40 PERCENT.  
MAX TEMPERATURE.....48 TO 57.  
24 HR TREND......ON AVERAGE, 4 DEGREES COOLER.  
MIN HUMIDITY........44 TO 59 PERCENT.  
24 HR TREND......ON AVERAGE, 6 PERCENT WETTER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...WEST 8 TO 13 MPH.  
RIDGES/UPR SLOPES....WEST 10 TO 15 MPH.  
HAINES INDEX........3 VERY LOW.  
LAL.................1.  
CWR /0.10 INCH/.....20 PERCENT.  
SMOKE DISPERSAL:  
MIXING HEIGHT......5000-7000 FT AGL.  
TRANSPORT WINDS....WEST 5 TO 15 MPH.  
   
FRIDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN  
SHOWERS.  
MIN TEMPERATURE.....35 TO 40.  
24 HR TREND......ON AVERAGE, UNCHANGED.  
MAX HUMIDITY........82 TO 95 PERCENT.  
24 HR TREND......ON AVERAGE, 3 PERCENT WETTER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...WEST 8 TO 9 MPH IN THE EVENING, BECOMING  
LIGHT DOWNSLOPE LESS THAN 8 MPH AFTER  
MIDNIGHT.  
RIDGES/UPR SLOPES....WEST 8 TO 10 MPH IN THE EVENING, BECOMING  
LIGHT AFTER MIDNIGHT.  
HAINES INDEX........3 VERY LOW.  
LAL.................1.  
CWR /0.10 INCH/.....10 PERCENT.  
SMOKE DISPERSAL:  
MIXING HEIGHT......200-300 FT AGL.  
TRANSPORT WINDS....NORTHWEST UP TO 5 MPH.  
   
SATURDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....54 TO 61.  
24 HR TREND......ON AVERAGE, 5 DEGREES WARMER.  
MIN HUMIDITY........35 TO 47 PERCENT.  
24 HR TREND......ON AVERAGE, 11 PERCENT DRIER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...LIGHT UPSLOPE WINDS LESS THAN 8 MPH IN THE  
MORNING, BECOMING WEST AROUND 8 MPH IN THE  
AFTERNOON.  
RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 8 MPH.  
HAINES INDEX........2 VERY LOW.  
LAL.................1.  
CWR /0.10 INCH/.....0 PERCENT.  
SMOKE DISPERSAL:  
MIXING HEIGHT......6000-7000 FT AGL.  
TRANSPORT WINDS....NORTHWEST 5 TO 10 MPH.  
 

 
=  
 
IDZ423-426-221615-  
OWYHEE MOUNTAINS-SOUTHERN HIGHLANDS-  
303 PM MDT THU SEP 21 2017  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY WITH SCATTERED RAIN AND SNOW  
SHOWERS. CHANCE OF PRECIPITATION 40 PERCENT.  
SNOW LEVEL AROUND 6000 FEET.  
MIN TEMPERATURE.....30 TO 38.  
24 HR TREND......ON AVERAGE, 15 DEGREES COOLER.  
MAX HUMIDITY........85 TO 97 PERCENT.  
24 HR TREND......ON AVERAGE, 20 PERCENT WETTER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...WEST AROUND 10 MPH.  
RIDGES/UPR SLOPES....NORTHWEST AROUND 10 MPH.  
HAINES INDEX........3 VERY LOW.  
LAL.................1.  
CWR /0.10 INCH/.....20 PERCENT.  
SMOKE DISPERSAL:  
MIXING HEIGHT......200-700 FT AGL.  
TRANSPORT WINDS....WEST 10 TO 15 MPH.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY WITH SCATTERED RAIN AND SNOW  
SHOWERS. CHANCE OF PRECIPITATION 40 PERCENT.  
SNOW LEVEL AROUND 6000 FEET.  
MAX TEMPERATURE.....44 TO 53.  
24 HR TREND......ON AVERAGE, 4 DEGREES COOLER.  
MIN HUMIDITY........47 TO 58 PERCENT.  
24 HR TREND......ON AVERAGE, 2 PERCENT WETTER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...WEST 8 TO 13 MPH.  
RIDGES/UPR SLOPES....WEST 10 TO 15 MPH.  
HAINES INDEX........3 VERY LOW.  
LAL.................1.  
CWR /0.10 INCH/.....20 PERCENT.  
SMOKE DISPERSAL:  
MIXING HEIGHT......5500-7500 FT AGL.  
TRANSPORT WINDS....NORTHWEST 10 TO 15 MPH.  
   
FRIDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN  
SHOWERS IN THE EVENING, THEN PARTLY CLOUDY  
AFTER MIDNIGHT.  
MIN TEMPERATURE.....30 TO 36.  
24 HR TREND......ON AVERAGE, UNCHANGED.  
MAX HUMIDITY........87 TO 100 PERCENT.  
24 HR TREND......ON AVERAGE, 3 PERCENT WETTER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...WEST 8 TO 9 MPH IN THE EVENING, BECOMING  
LIGHT DOWNSLOPE LESS THAN 8 MPH AFTER  
MIDNIGHT.  
RIDGES/UPR SLOPES....NORTHWEST AROUND 8 MPH IN THE EVENING,  
BECOMING LIGHT AFTER MIDNIGHT.  
HAINES INDEX........3 VERY LOW.  
LAL.................1.  
CWR /0.10 INCH/.....10 PERCENT.  
SMOKE DISPERSAL:  
MIXING HEIGHT......200-700 FT AGL.  
TRANSPORT WINDS....NORTHWEST UP TO 10 MPH.  
   
SATURDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....48 TO 58.  
24 HR TREND......ON AVERAGE, 5 DEGREES WARMER.  
MIN HUMIDITY........38 TO 48 PERCENT.  
24 HR TREND......ON AVERAGE, 9 PERCENT DRIER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...LIGHT UPSLOPE WINDS LESS THAN 8 MPH IN THE  
MORNING, BECOMING NORTHWEST 8 TO 9 MPH IN  
THE AFTERNOON.  
RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 8 MPH IN THE  
MORNING, BECOMING NORTH AROUND 8 MPH IN  
THE AFTERNOON.  
HAINES INDEX........2 VERY LOW.  
LAL.................1.  
CWR /0.10 INCH/.....0 PERCENT.  
SMOKE DISPERSAL:  
MIXING HEIGHT......5500-7000 FT AGL.  
TRANSPORT WINDS....NORTHWEST AROUND 10 MPH.  
 

 
=  
 
ORZ646-221615-  
BAKER VALLEY-  
203 PM PDT THU SEP 21 2017  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY. ISOLATED RAIN SHOWERS IN THE  
EVENING, THEN SCATTERED RAIN AND SNOW SHOWERS  
AFTER MIDNIGHT. CHANCE OF PRECIPITATION 40  
PERCENT. SNOW LEVEL 5500 TO 6000 FEET.  
MIN TEMPERATURE.....33 TO 40.  
24 HR TREND......ON AVERAGE, UNCHANGED.  
MAX HUMIDITY........78 TO 95 PERCENT.  
24 HR TREND......ON AVERAGE, 3 PERCENT DRIER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...NORTHWEST 8 TO 14 MPH.  
RIDGES/UPR SLOPES....NORTHWEST 10 TO 16 MPH.  
HAINES INDEX........3 VERY LOW.  
LAL.................1.  
CWR /0.10 INCH/.....10 PERCENT.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED RAIN AND SNOW SHOWERS  
IN THE MORNING, THEN A CHANCE OF RAIN SHOWERS  
IN THE AFTERNOON. CHANCE OF PRECIPITATION 30  
PERCENT. SNOW LEVEL AROUND 6000 FEET.  
MAX TEMPERATURE.....49 TO 57.  
24 HR TREND......ON AVERAGE, UNCHANGED.  
MIN HUMIDITY........41 TO 50 PERCENT.  
24 HR TREND......ON AVERAGE, UNCHANGED.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...NORTHWEST 10 TO 16 MPH.  
RIDGES/UPR SLOPES....NORTHWEST 10 TO 16 MPH.  
HAINES INDEX........3 VERY LOW.  
LAL.................1.  
CWR /0.10 INCH/.....10 PERCENT.  
   
FRIDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN  
SHOWERS IN THE EVENING, THEN PARTLY CLOUDY  
AFTER MIDNIGHT.  
MIN TEMPERATURE.....33 TO 39.  
24 HR TREND......ON AVERAGE, UNCHANGED.  
MAX HUMIDITY........74 TO 88 PERCENT.  
24 HR TREND......ON AVERAGE, 6 PERCENT DRIER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...NORTHWEST 8 TO 11 MPH IN THE EVENING,  
BECOMING LIGHT DOWNSLOPE LESS THAN 8 MPH  
AFTER MIDNIGHT.  
RIDGES/UPR SLOPES....NORTH 8 TO 12 MPH IN THE EVENING, BECOMING  
LIGHT AFTER MIDNIGHT.  
HAINES INDEX........2 VERY LOW.  
LAL.................1.  
CWR /0.10 INCH/.....10 PERCENT.  
   
SATURDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....54 TO 61.  
24 HR TREND......ON AVERAGE, 4 DEGREES WARMER.  
MIN HUMIDITY........31 TO 39 PERCENT.  
24 HR TREND......ON AVERAGE, 11 PERCENT DRIER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...LIGHT UPSLOPE WINDS LESS THAN 8 MPH.  
RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 8 MPH.  
HAINES INDEX........2 VERY LOW.  
LAL.................1.  
CWR /0.10 INCH/.....0 PERCENT.  
 

 
=  
 
ORZ636-637-221615-  
BURNS BLM-VALE BLM-  
303 PM MDT THU SEP 21 2017 /203 PM PDT THU SEP 21 2017/  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY WITH SCATTERED RAIN AND SNOW  
SHOWERS. CHANCE OF PRECIPITATION 30 PERCENT.  
SNOW LEVEL AROUND 5500-6000 FEET.  
MIN TEMPERATURE.....31 TO 39.  
24 HR TREND......ON AVERAGE, 6 DEGREES COOLER.  
MAX HUMIDITY........77 TO 95 PERCENT.  
24 HR TREND......ON AVERAGE, 2 PERCENT DRIER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...NORTHWEST 8 TO 13 MPH.  
RIDGES/UPR SLOPES....NORTHWEST 8 TO 11 MPH.  
HAINES INDEX........3 VERY LOW.  
LAL.................1.  
CWR /0.10 INCH/.....10 PERCENT.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY WITH SCATTERED RAIN AND SNOW  
SHOWERS. CHANCE OF PRECIPITATION 30 PERCENT.  
SNOW LEVEL 5500-6000 FEET.  
MAX TEMPERATURE.....47 TO 57.  
24 HR TREND......ON AVERAGE, UNCHANGED.  
MIN HUMIDITY........38 TO 48 PERCENT.  
24 HR TREND......ON AVERAGE, 2 PERCENT WETTER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...NORTHWEST 8 TO 13 MPH.  
RIDGES/UPR SLOPES....NORTHWEST 8 TO 13 MPH.  
HAINES INDEX........3 VERY LOW.  
LAL.................1.  
CWR /0.10 INCH/.....20 PERCENT.  
   
FRIDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN  
SHOWERS IN THE EVENING.  
MIN TEMPERATURE.....31 TO 39.  
24 HR TREND......ON AVERAGE, UNCHANGED.  
MAX HUMIDITY........79 TO 96 PERCENT.  
24 HR TREND......ON AVERAGE, UNCHANGED.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...NORTHWEST 8 TO 9 MPH IN THE EVENING,  
BECOMING LIGHT DOWNSLOPE LESS THAN 8 MPH  
AFTER MIDNIGHT.  
RIDGES/UPR SLOPES....NORTHWEST 8 TO 9 MPH IN THE EVENING,  
BECOMING LIGHT AFTER MIDNIGHT.  
HAINES INDEX........2 VERY LOW.  
LAL.................1.  
CWR /0.10 INCH/.....10 PERCENT.  
   
SATURDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....52 TO 61.  
24 HR TREND......ON AVERAGE, 4 DEGREES WARMER.  
MIN HUMIDITY........29 TO 37 PERCENT.  
24 HR TREND......ON AVERAGE, 10 PERCENT DRIER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...LIGHT UPSLOPE WINDS LESS THAN 8 MPH IN THE  
MORNING, BECOMING NORTH AROUND 8 MPH IN  
THE AFTERNOON.  
RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 8 MPH IN THE  
MORNING, BECOMING NORTH AROUND 8 MPH IN  
THE AFTERNOON.  
HAINES INDEX........2 VERY LOW.  
LAL.................1.  
CWR /0.10 INCH/.....0 PERCENT.  
 

 
=  
 
   
FORECAST DAYS 3 THROUGH 7
 
 
   
SUNDAY
 
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS. LOWS 28 TO 40.  
HIGHS 47 TO 62. NORTHWEST WINDS UP TO 10 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS 30 TO 42. HIGHS 51 TO 66. NORTHWEST  
WINDS UP TO 10 MPH.    
TUESDAY
 
PARTLY CLOUDY. LOWS 34 TO 45. HIGHS 54 TO 69. LIGHT  
WINDS LESS THAN 10 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. LOWS 36 TO 47. HIGHS 57 TO 72.    
THURSDAY
 
MOSTLY CLEAR. LOWS 38 TO 48. HIGHS 60 TO 75.  
 
.OUTLOOK FOR FRIDAY SEPTEMBER 29 THROUGH THURSDAY OCTOBER 5 CALLS FOR  
BETTER CHANCES OF ABOVE NORMAL TEMPERATURES AND BELOW NORMAL PRECIPITATION.  
 

 
=  
 
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