047  
FNUS75 KBYZ 141139  
FWSBYZ  
 
SPOT FORECAST FOR HYALITE RX...USFS  
NATIONAL WEATHER SERVICE BILLINGS MT  
539 AM MDT MON OCT 14 2024  
 
FORECAST IS BASED ON IGNITION TIME OF 0800 MDT ON OCTOBER 15.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT OUR OFFICE IF YOU HAVE QUESTIONS  
OR CONCERNS WITH THIS FORECAST.  
   
DISCUSSION
 
 
HIGH PRESSURE OVER THE REGION WILL KEEP CONDITIONS WARM AND DRY  
TUESDAY AND WEDNESDAY. CONDITIONS WILL BE BREEZY WEDNESDAY AHEAD  
OF A COLD FRONT EXPECTED TO MOVE THROUGH WEDNESDAY NIGHT BRINGING  
A HIGH CWR. THE CHANCE OF GETTING AT LEAST A QUARTER INCH OF WATER  
IS 80% WITH A 50% CHANCE OF HALF AN INCH WEDNESDAY NIGHT THROUGH  
FRIDAY. WITH THE SHARP DROP IN TEMPERATURES THURSDAY MORNING, MOST  
OF THE PRECIP WILL LIKELY FALL AS SNOW.  
   
TUESDAY
 
 
SKY/WEATHER.........SUNNY.  
CWR.................0 PERCENT.  
MAX TEMPERATURE.....68-72.  
MIN HUMIDITY........19-23 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......SOUTHWEST WINDS AROUND 5 MPH.  
RIDGETOP...........SOUTHWEST AROUND 10 MPH.  
MIXING HEIGHT.......5200 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST AROUND 9 MPH.  
HAINES INDEX........3.  
   
TUESDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
CWR.................0 PERCENT.  
MIN TEMPERATURE.....41-45.  
MAX HUMIDITY........45-49 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......SOUTH WINDS 7 TO 12 MPH. GUSTS UP TO 21 MPH.  
RIDGETOP...........SOUTHWEST AROUND 17-23 MPH. GUSTS UP TO 32 MPH.  
MIXING HEIGHT.......300 FT AGL.  
TRANSPORT WINDS.....SOUTH AROUND 15 MPH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY. VERY SMALL CHANCE OF A RAIN SHOWER.  
CWR.................5 PERCENT.  
MAX TEMPERATURE.....67-71.  
MIN HUMIDITY........18-22 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......SOUTH WINDS 8 TO 10 MPH WITH GUSTS TO AROUND 20  
MPH.  
RIDGETOP...........SOUTHWEST AROUND 30-35 MPH.  
MIXING HEIGHT.......10500 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST AROUND 22 MPH.  
HAINES INDEX........4.  
 

 
FORECASTER...STETZER/VERTZ  
REQUESTED BY...LIAM DILLAWAY  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2424069.0/BYZ  
.DELDT 10/14/24  
.FORMATTERVERSION 2.0.0  
.EMAIL LIAM.T.DILLAWAY@USDA.GOV,JAMES.PUMMEL@USDA.GOV  
 
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