672  
FNUS55 KBOI 242054  
FWFBOI  
 
FIRE WEATHER PLANNING FORECAST FOR SW IDAHO AND SE OREGON  
NATIONAL WEATHER SERVICE BOISE ID  
254 PM MDT FRI MAY 24 2013  
   
..NEXT INTERNET BRIEFING WILL BE ON TUESDAY THE 28TH OF MAY
 
 
   
..NEXT CHANCE OF WETTING RAINS EXPECTED SUNDAY
 
 
   
DISCUSSION
 
 
A BROAD UPPER TROUGH WILL CONTINUE OVER THE PACIFIC NORTHWEST  
THROUGH THE WEEKEND. LIGHT SHOWERS ARE POSSIBLE OVER THE HIGHER  
MOUNTAINS BUT MORE WIDESPREAD RAINS ARE EXPECTED SUNDAY AS YET ANOTHER  
UPPER DISTURBANCE MOVES INTO THE PACIFIC NORTHWEST. AN EVEN WETTER  
SYSTEM IS EXPECTED TO MOVE INTO EASTERN OREGON BY LATE MONDAY AND  
INTO THE IDAHO ZONES ON TUESDAY.  
 
IDZ401-402-251600-  
WESTERN PAYETTE NATIONAL FOREST-EASTERN PAYETTE NATIONAL FOREST-  
254 PM MDT FRI MAY 24 2013  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY WITH ISOLATED RAIN AND SNOW  
SHOWERS IN THE EVENING...THEN PARTLY CLOUDY  
AFTER MIDNIGHT. CHANCE OF PRECIPITATION 20  
PERCENT.  
MIN TEMPERATURE.....30 TO 41.  
24 HR TREND......ON AVERAGE...UNCHANGED.  
MAX HUMIDITY........64 TO 85 PERCENT.  
24 HR TREND......ON AVERAGE...8 PERCENT WETTER.  
20-FOOT WINDS.......  
VALLEYS..........WEST 8 TO 9 MPH WITH GUSTS TO 18 MPH IN THE  
EVENING...BECOMING LIGHT DOWNSLOPE LESS THAN 8  
MPH AFTER MIDNIGHT.  
RIDGES...........WEST 8 TO 13 MPH WITH GUSTS TO 24 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......500-1000 FT AGL.  
TRANSPORT WINDS....NORTHEAST UP TO 10 MPH.  
   
SATURDAY
 
 
SKY/WEATHER.........PARTLY SUNNY. A CHANCE OF RAIN SHOWERS...A  
SLIGHT CHANCE OF THUNDERSTORMS AND A CHANCE OF  
SNOW SHOWERS IN THE AFTERNOON. CHANCE OF  
PRECIPITATION 30 PERCENT.  
MAX TEMPERATURE.....50 TO 65.  
24 HR TREND......ON AVERAGE...6 DEGREES WARMER.  
MIN HUMIDITY........22 TO 32 PERCENT.  
24 HR TREND......ON AVERAGE...2 PERCENT WETTER.  
20-FOOT WINDS.......  
VALLEYS..........LIGHT UPSLOPE WINDS LESS THAN 8 MPH. GUSTS TO  
14 MPH IN THE AFTERNOON.  
RIDGES...........LIGHT WINDS LESS THAN 8 MPH IN THE  
MORNING...BECOMING SOUTHWEST AROUND 8 MPH WITH  
GUSTS TO 14 MPH IN THE AFTERNOON.  
HAINES INDEX........3 VERY LOW.  
LAL.................3.  
CWR /0.10 INCH/.....10 PERCENT.  
SMOKE DISPERSAL:  
MIXING HEIGHT......7500-9500 FT AGL.  
TRANSPORT WINDS....SOUTHWEST 5 TO 15 MPH.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW  
SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS IN  
THE EVENING. CHANCE OF PRECIPITATION 30  
PERCENT.  
MIN TEMPERATURE.....35 TO 46.  
24 HR TREND......ON AVERAGE...5 DEGREES WARMER.  
MAX HUMIDITY........69 TO 87 PERCENT.  
24 HR TREND......ON AVERAGE...4 PERCENT WETTER.  
20-FOOT WINDS.......  
VALLEYS..........LIGHT DOWNSLOPE WINDS LESS THAN 8 MPH.  
RIDGES...........LIGHT WINDS LESS THAN 8 MPH.  
HAINES INDEX........3 VERY LOW.  
LAL.................3.  
CWR /0.10 INCH/.....10 PERCENT.  
SMOKE DISPERSAL:  
MIXING HEIGHT......500-1000 FT AGL.  
TRANSPORT WINDS....EAST UP TO 5 MPH.  
   
SUNDAY
 
 
SKY/WEATHER.........A CHANCE OF RAIN AND SNOW SHOWERS IN THE  
MORNING...THEN RAIN SHOWERS LIKELY...A SLIGHT  
CHANCE OF THUNDERSTORMS AND SNOW SHOWERS IN THE  
AFTERNOON. CHANCE OF PRECIPITATION 80 PERCENT.  
NO SNOW ACCUMULATION.  
MAX TEMPERATURE.....47 TO 62.  
24 HR TREND......ON AVERAGE...2 DEGREES COOLER.  
MIN HUMIDITY........32 TO 47 PERCENT.  
24 HR TREND......ON AVERAGE...13 PERCENT WETTER.  
20-FOOT WINDS.......  
VALLEYS..........LIGHT UPSLOPE WINDS LESS THAN 8 MPH. GUSTS TO  
14 MPH IN THE AFTERNOON.  
RIDGES...........LIGHT WINDS LESS THAN 8 MPH. GUSTS TO 16 MPH IN  
THE AFTERNOON.  
HAINES INDEX........3 VERY LOW.  
LAL.................3.  
CWR /0.10 INCH/.....40 PERCENT.  
SMOKE DISPERSAL:  
MIXING HEIGHT......5000-7000 FT AGL.  
TRANSPORT WINDS....WEST 5 TO 15 MPH.  
 

 
=  
 
IDZ400-403-421-251600-  
NORTHERN BOISE BLM-NORTHERN BOISE NATIONAL FOREST-  
SOUTHERN BOISE NATIONAL FOREST/WESTERN SAWTOOTH NATIONAL FOREST-  
254 PM MDT FRI MAY 24 2013  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....31 TO 46.  
24 HR TREND......ON AVERAGE...3 DEGREES WARMER.  
MAX HUMIDITY........49 TO 74 PERCENT.  
24 HR TREND......ON AVERAGE...7 PERCENT WETTER.  
20-FOOT WINDS.......  
VALLEYS..........LIGHT DOWNSLOPE WINDS LESS THAN 8 MPH. EVENING  
GUSTS TO 25 MPH.  
RIDGES...........WEST 8 TO 12 MPH WITH GUSTS TO 25 MPH IN THE  
EVENING...BECOMING LIGHT AFTER MIDNIGHT.  
HAINES INDEX........3 VERY LOW.  
LAL.................1.  
CWR /0.10 INCH/.....0 PERCENT.  
SMOKE DISPERSAL:  
MIXING HEIGHT......500-1000 FT AGL.  
TRANSPORT WINDS....NORTHEAST UP TO 10 MPH.  
   
SATURDAY
 
 
SKY/WEATHER.........PARTLY SUNNY. A 20 PERCENT CHANCE OF SHOWERS  
AND THUNDERSTORMS IN THE AFTERNOON.  
MAX TEMPERATURE.....54 TO 69.  
24 HR TREND......ON AVERAGE...5 DEGREES WARMER.  
MIN HUMIDITY........19 TO 29 PERCENT.  
24 HR TREND......ON AVERAGE...5 PERCENT WETTER.  
20-FOOT WINDS.......  
VALLEYS..........LIGHT UPSLOPE WINDS LESS THAN 8 MPH. GUSTS TO  
14 MPH IN THE AFTERNOON.  
RIDGES...........LIGHT WINDS LESS THAN 8 MPH IN THE  
MORNING...BECOMING SOUTHWEST 8 TO 9 MPH WITH  
GUSTS TO 16 MPH IN THE AFTERNOON.  
HAINES INDEX........3 VERY LOW.  
LAL.................3.  
CWR /0.10 INCH/.....10 PERCENT.  
SMOKE DISPERSAL:  
MIXING HEIGHT......8000-10000 FT AGL.  
TRANSPORT WINDS....SOUTHWEST 5 TO 15 MPH.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY IN THE EVENING...THEN BECOMING  
MOSTLY CLOUDY AFTER MIDNIGHT. A SLIGHT CHANCE  
OF RAIN SHOWERS. A SLIGHT CHANCE OF  
THUNDERSTORMS IN THE EVENING. CHANCE OF  
PRECIPITATION 20 PERCENT.  
MIN TEMPERATURE.....36 TO 51.  
24 HR TREND......ON AVERAGE...5 DEGREES WARMER.  
MAX HUMIDITY........55 TO 80 PERCENT.  
24 HR TREND......ON AVERAGE...5 PERCENT WETTER.  
20-FOOT WINDS.......  
VALLEYS..........LIGHT DOWNSLOPE WINDS LESS THAN 8 MPH.  
RIDGES...........WEST AROUND 8 MPH WITH GUSTS TO 14 MPH IN THE  
EVENING...BECOMING LIGHT AFTER MIDNIGHT.  
HAINES INDEX........3 VERY LOW.  
LAL.................3.  
CWR /0.10 INCH/.....10 PERCENT.  
SMOKE DISPERSAL:  
MIXING HEIGHT......500-1000 FT AGL.  
TRANSPORT WINDS....NORTHEAST UP TO 5 MPH.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY. A SLIGHT CHANCE OF RAIN SHOWERS  
IN THE MORNING...THEN A CHANCE OF RAIN SHOWERS  
AND A SLIGHT CHANCE OF THUNDERSTORMS IN THE  
AFTERNOON. CHANCE OF PRECIPITATION 50 PERCENT.  
MAX TEMPERATURE.....53 TO 68.  
24 HR TREND......ON AVERAGE...2 DEGREES COOLER.  
MIN HUMIDITY........26 TO 36 PERCENT.  
24 HR TREND......ON AVERAGE...10 PERCENT WETTER.  
20-FOOT WINDS.......  
VALLEYS..........LIGHT UPSLOPE WINDS LESS THAN 8 MPH. GUSTS TO  
16 MPH IN THE AFTERNOON.  
RIDGES...........LIGHT WINDS LESS THAN 8 MPH IN THE  
MORNING...BECOMING SOUTHWEST AROUND 8 MPH WITH  
GUSTS TO 18 MPH IN THE AFTERNOON.  
HAINES INDEX........3 VERY LOW.  
LAL.................3.  
CWR /0.10 INCH/.....30 PERCENT.  
SMOKE DISPERSAL:  
MIXING HEIGHT......5500-7500 FT AGL.  
TRANSPORT WINDS....WEST 10 TO 15 MPH.  
 

 
=  
 
IDZ420-423-424-426-251600-  
TREASURE VALLEY BLM-OWYHEE MOUNTAINS-WESTERN TWIN FALLS BLM-  
SOUTHERN HIGHLANDS-  
254 PM MDT FRI MAY 24 2013  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....37 TO 46.  
24 HR TREND......ON AVERAGE...9 DEGREES WARMER.  
MAX HUMIDITY........47 TO 61 PERCENT.  
24 HR TREND......ON AVERAGE...UNCHANGED.  
20-FOOT WINDS.......  
VALLEYS..........NORTHWEST 8 TO 9 MPH WITH GUSTS TO 20 MPH IN  
THE EVENING...BECOMING LIGHT DOWNSLOPE LESS  
THAN 8 MPH AFTER MIDNIGHT.  
RIDGES...........WEST 8 TO 11 MPH WITH GUSTS TO 20 MPH IN THE  
EVENING...BECOMING LIGHT AFTER MIDNIGHT.  
HAINES INDEX........3 VERY LOW.  
LAL.................1.  
CWR /0.10 INCH/.....0 PERCENT.  
SMOKE DISPERSAL:  
MIXING HEIGHT......900-1400 FT AGL.  
TRANSPORT WINDS....NORTHWEST UP TO 10 MPH.  
   
SATURDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....66 TO 76.  
24 HR TREND......ON AVERAGE...7 DEGREES WARMER.  
MIN HUMIDITY........13 TO 21 PERCENT.  
24 HR TREND......ON AVERAGE...2 PERCENT WETTER.  
20-FOOT WINDS.......  
VALLEYS..........LIGHT UPSLOPE WINDS LESS THAN 8 MPH. GUSTS TO  
14 MPH IN THE AFTERNOON.  
RIDGES...........LIGHT WINDS LESS THAN 8 MPH IN THE  
MORNING...BECOMING WEST 8 TO 11 MPH WITH GUSTS  
TO 20 MPH IN THE AFTERNOON.  
HAINES INDEX........3 VERY LOW.  
LAL.................1.  
CWR /0.10 INCH/.....0 PERCENT.  
SMOKE DISPERSAL:  
MIXING HEIGHT......8500-10500 FT AGL.  
TRANSPORT WINDS....WEST 10 TO 15 MPH.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY IN THE EVENING...THEN BECOMING  
MOSTLY CLOUDY AFTER MIDNIGHT.  
MIN TEMPERATURE.....40 TO 49.  
24 HR TREND......ON AVERAGE...3 DEGREES WARMER.  
MAX HUMIDITY........51 TO 68 PERCENT.  
24 HR TREND......ON AVERAGE...6 PERCENT WETTER.  
20-FOOT WINDS.......  
VALLEYS..........LIGHT DOWNSLOPE WINDS LESS THAN 8 MPH.  
RIDGES...........NORTHWEST AROUND 8 MPH WITH GUSTS TO 14 MPH IN  
THE EVENING...BECOMING LIGHT AFTER MIDNIGHT.  
HAINES INDEX........3 VERY LOW.  
LAL.................1.  
CWR /0.10 INCH/.....0 PERCENT.  
SMOKE DISPERSAL:  
MIXING HEIGHT......900-1400 FT AGL.  
TRANSPORT WINDS....WEST UP TO 10 MPH.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS AND A  
SLIGHT CHANCE OF THUNDERSTORMS IN THE  
AFTERNOON. CHANCE OF PRECIPITATION 30 PERCENT.  
MAX TEMPERATURE.....62 TO 75.  
24 HR TREND......ON AVERAGE...2 DEGREES COOLER.  
MIN HUMIDITY........19 TO 29 PERCENT.  
24 HR TREND......ON AVERAGE...9 PERCENT WETTER.  
20-FOOT WINDS.......  
VALLEYS..........LIGHT UPSLOPE WINDS LESS THAN 8 MPH IN THE  
MORNING...BECOMING NORTHWEST AROUND 8 MPH WITH  
GUSTS TO 18 MPH IN THE AFTERNOON.  
RIDGES...........LIGHT WINDS LESS THAN 8 MPH IN THE  
MORNING...BECOMING WEST 8 TO 9 MPH WITH GUSTS  
TO 20 MPH IN THE AFTERNOON.  
HAINES INDEX........3 VERY LOW.  
LAL.................3.  
CWR /0.10 INCH/.....20 PERCENT.  
SMOKE DISPERSAL:  
MIXING HEIGHT......7000-9000 FT AGL.  
TRANSPORT WINDS....WEST 10 TO 15 MPH.  
 

 
=  
 
ORZ636-637-251600-  
BURNS BLM-VALE BLM-  
254 PM MDT FRI MAY 24 2013 /154 PM PDT FRI MAY 24 2013/  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY IN THE EVENING...THEN BECOMING  
MOSTLY CLOUDY AFTER MIDNIGHT.  
MIN TEMPERATURE.....35 TO 45.  
24 HR TREND......ON AVERAGE...7 DEGREES WARMER.  
MAX HUMIDITY........47 TO 67 PERCENT.  
24 HR TREND......ON AVERAGE...5 PERCENT DRIER.  
20-FOOT WINDS.......  
VALLEYS..........NORTHWEST AROUND 8 MPH WITH GUSTS TO 20 MPH IN  
THE EVENING...BECOMING LIGHT DOWNSLOPE LESS  
THAN 8 MPH AFTER MIDNIGHT.  
RIDGES...........WEST 8 TO 10 MPH WITH GUSTS TO 18 MPH IN THE  
EVENING...BECOMING LIGHT AFTER MIDNIGHT.  
HAINES INDEX........3 VERY LOW.  
LAL.................1.  
CWR /0.10 INCH/.....0 PERCENT.  
   
SATURDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY. A 20 PERCENT CHANCE OF SHOWERS  
AND THUNDERSTORMS IN THE AFTERNOON.  
MAX TEMPERATURE.....62 TO 72.  
24 HR TREND......ON AVERAGE...7 DEGREES WARMER.  
MIN HUMIDITY........15 TO 24 PERCENT.  
24 HR TREND......ON AVERAGE...UNCHANGED.  
20-FOOT WINDS.......  
VALLEYS..........LIGHT UPSLOPE WINDS LESS THAN 8 MPH.  
RIDGES...........LIGHT WINDS LESS THAN 8 MPH. GUSTS TO 14 MPH IN  
THE AFTERNOON.  
HAINES INDEX........3 VERY LOW.  
LAL.................3.  
CWR /0.10 INCH/.....0 PERCENT.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING...THEN A CHANCE OF  
RAIN SHOWERS AFTER MIDNIGHT. CHANCE OF  
PRECIPITATION 30 PERCENT.  
MIN TEMPERATURE.....40 TO 49.  
24 HR TREND......ON AVERAGE...4 DEGREES WARMER.  
MAX HUMIDITY........54 TO 78 PERCENT.  
24 HR TREND......ON AVERAGE...6 PERCENT WETTER.  
20-FOOT WINDS.......  
VALLEYS..........LIGHT DOWNSLOPE WINDS LESS THAN 8 MPH.  
RIDGES...........LIGHT WINDS LESS THAN 8 MPH.  
HAINES INDEX........3 VERY LOW.  
LAL.................3.  
CWR /0.10 INCH/.....10 PERCENT.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS IN THE  
MORNING...THEN RAIN SHOWERS LIKELY AND A SLIGHT  
CHANCE OF THUNDERSTORMS IN THE AFTERNOON.  
CHANCE OF PRECIPITATION 60 PERCENT.  
MAX TEMPERATURE.....57 TO 67.  
24 HR TREND......ON AVERAGE...5 DEGREES COOLER.  
MIN HUMIDITY........26 TO 36 PERCENT.  
24 HR TREND......ON AVERAGE...16 PERCENT WETTER.  
20-FOOT WINDS.......  
VALLEYS..........LIGHT UPSLOPE WINDS LESS THAN 8 MPH IN THE  
MORNING...BECOMING WEST 8 TO 9 MPH WITH GUSTS  
TO 18 MPH IN THE AFTERNOON.  
RIDGES...........LIGHT WINDS LESS THAN 8 MPH IN THE  
MORNING...BECOMING WEST 8 TO 10 MPH WITH GUSTS  
TO 20 MPH IN THE AFTERNOON.  
HAINES INDEX........3 VERY LOW.  
LAL.................3.  
CWR /0.10 INCH/.....30 PERCENT.  
 

 
=  
 
   
FORECAST DAYS 3 THROUGH 7
 
 
   
MEMORIAL DAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND A SLIGHT  
CHANCE OF THUNDERSTORMS. CHANCE OF PRECIPITATION 30 PERCENT. LOWS  
36 TO 48. HIGHS 55 TO 70. WEST WINDS UP TO 10 MPH.    
TUESDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND A SLIGHT CHANCE  
OF THUNDERSTORMS. CHANCE OF PRECIPITATION 30 PERCENT. LOWS 40 TO  
53. HIGHS 55 TO 70. WEST WINDS UP TO 10 MPH.    
WEDNESDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND A SLIGHT  
CHANCE OF THUNDERSTORMS. CHANCE OF PRECIPITATION 30 PERCENT. LOWS  
38 TO 50. HIGHS 52 TO 67. NORTHWEST WINDS UP TO 10 MPH.    
THURSDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND A SLIGHT  
CHANCE OF THUNDERSTORMS. CHANCE OF PRECIPITATION 30 PERCENT. LOWS  
34 TO 45. HIGHS 50 TO 65.    
FRIDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND A SLIGHT CHANCE  
OF THUNDERSTORMS. CHANCE OF PRECIPITATION 30 PERCENT. LOWS 32 TO  
42. HIGHS 52 TO 67.  
 
.OUTLOOK FOR SATURDAY JUNE 1 THROUGH FRIDAY JUNE 7 CALLS FOR  
BETTER CHANCES OF NEAR NORMAL TEMPERATURES AND PRECIPITATION.  
 

 
=  
 
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