901  
FNUS75 KBOI 251048  
FWSBOI  
 
SPOT FORECAST FOR ROBINSON RX...PAYETTE NATIONAL FOREST  
NATIONAL WEATHER SERVICE BOISE ID  
448 AM MDT THU APR 25 2024  
 
FORECAST IS BASED ON IGNITION TIME OF 0600 MDT ON APRIL 25.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
...TURNING BREEZY AND COOLER WITH SHOWERS TONIGHT THROUGH  
FRIDAY...  
   
DISCUSSION
 
 
DRY THIS MORNING, THEN A SLIGHT CHANCE OF AN AFTERNOON SHOWER.  
SHOWERS DEVELOP TONIGHT AS A COLD FRONT MOVES ACROSS THE AREA.  
GUSTY WINDS ARE EXPECTED WITH THE FRONT. THE SHOWERS DECREASE IN  
THE MORNING, BUT WILL LIKELY RETURN IN THE AFTERNOON. THERE IS A  
SLIGHT CHANCE OF AN AFTERNOON THUNDERSTORM. THE THUNDERSTORMS WILL  
BE CAPABLE OF PRODUCING GUSTY WINDS, SMALL HAIL, AND HEAVY RAIN.  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY. ISOLATED RAIN SHOWERS IN THE  
AFTERNOON. CHANCE OF SHOWERS 20 PERCENT.  
MAX TEMPERATURE.....54 TO 59.  
MIN HUMIDITY........44 TO 49 PERCENT.  
CWR /0.10 INCH/.....10 PERCENT.  
LAL.................1.  
WIND - EYE LEVEL....NORTHWEST 5 TO 9 MPH WITH GUSTS TO AROUND 12  
MPH.  
MIXING HEIGHT.......7000 FT AGL.  
TRANSPORT WINDS.....WEST AROUND 10 MPH.  
HAINES INDEX........2 VERY LOW.  
VENTILATION INDEX...700 EXCELLENT.  
   
TONIGHT
 
 
SKY/WEATHER.........RAIN SHOWERS, MAINLY IN THE EVENING. CHANCE  
OF SHOWERS 80 PERCENT.  
MIN TEMPERATURE.....36 TO 41.  
MAX HUMIDITY........86 TO 91 PERCENT.  
CWR /0.10 INCH/.....40 PERCENT.  
LAL.................1.  
WIND - EYE LEVEL....NORTHWEST 8 TO 13 MPH. GUSTS UP TO 30 MPH, MAINLY  
ON THE RIDGES.  
MIXING HEIGHT.......500 FT AGL.  
TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH.  
HAINES INDEX........2 VERY LOW.  
VENTILATION INDEX...75 POOR.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY WITH RAIN SHOWERS LIKELY, MAINLY  
IN THE AFTERNOON. A SLIGHT CHANCE OF THUNDERSTORMS  
IN THE AFTERNOON. CHANCE OF PRECIPITATION 70  
PERCENT.  
MAX TEMPERATURE.....49 TO 54.  
MIN HUMIDITY........56 TO 61 PERCENT.  
CWR /0.10 INCH/.....40 PERCENT.  
LAL.................1 IN THE MORNING, INCREASING TO 2 IN THE  
AFTERNOON.  
WIND - EYE LEVEL....NORTHWEST 6 TO 10 MPH. GUSTS UP TO 15 MPH.  
MIXING HEIGHT.......6000 FT AGL.  
TRANSPORT WINDS.....NORTHWEST AROUND 20 MPH.  
HAINES INDEX........3 VERY LOW.  
VENTILATION INDEX...1200 EXCELLENT.  
 

 
FORECASTER...WOJCIK  
REQUESTED BY...ANDY GERINGER  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2411165.5/BOI  
.DELDT 04/25/24  
.FORMATTERVERSION 2.0.0  
.EMAIL ANDREW.GERINGER@USDA.GOV  
 
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