901  
FNUS75 KBYZ 231530  
FWSBYZ  
 
SPOT FORECAST FOR HORSEMANS FLAT / BENBOW UNIT 6...USFS BEARTOOTH R.D.  
NATIONAL WEATHER SERVICE BILLINGS MT  
930 AM MDT THU MAR 23 2023  
 
FORECAST IS BASED ON IGNITION TIME OF 1400 MDT ON MARCH 23.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT OUR OFFICE IF YOU HAVE QUESTIONS  
OR CONCERNS WITH THIS FORECAST.  
   
DISCUSSION  
 
SNOWFALL WILL BEGIN FRIDAY AFTERNOON AND PERSIST THROUGH THE  
WEEKEND, WITH THE HEAVIEST SNOW OCCURRING FRIDAY NIGHT INTO  
SATURDAY MORNING. FROM FRIDAY AFTERNOON THROUGH SATURDAY  
AFTERNOON, 5" TO 14" OF SNOW IS EXPECTED, WITH A 33% CHANCE TO SEE  
OVER 12", AND OUR FORECASTS ARE LEANING ON THE HIGHER-END  
POTENTIAL. MORE SNOW POTENTIAL EXISTS ON SUNDAY AS WELL.  
 
SOUTHWEST WINDS WILL GUST IN THE MID 30S TONIGHT INTO FRIDAY  
MORNING, THEN BECOME NORTHEAST 6-10 MPH FRIDAY AFTERNOON.  
   
REST OF TODAY  
 
SKY/WEATHER.........PARTLY SUNNY.  
CWR.................0 PERCENT.  
MAX TEMPERATURE.....40-44.  
MIN HUMIDITY........38-42 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......SOUTHWEST WINDS 6 TO 8 MPH.  
RIDGETOP...........WEST AROUND 15 MPH.  
MIXING HEIGHT.......INCREASING TO 5800 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST AROUND 18 MPH.  
HAINES INDEX........3.  
   
TONIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SNOW.  
CWR.................0 PERCENT.  
MIN TEMPERATURE.....27-31.  
MAX HUMIDITY........54-58 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......SOUTHWEST WINDS 6 TO 15 MPH INCREASING TO 12 TO  
16 MPH OVERNIGHT. GUSTS UP TO 35 MPH.  
RIDGETOP...........WEST AROUND 15 MPH.  
MIXING HEIGHT.......DECREASING TO 500 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST AROUND 18 MPH.  
   
FRIDAY  
 
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SNOW IN THE MORNING,  
THEN SNOW IN THE AFTERNOON.  
CWR.................90 PERCENT.  
MAX TEMPERATURE.....36-40.  
MIN HUMIDITY........44-48 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......SOUTHWEST WINDS 6 TO 10 MPH SHIFTING TO THE  
NORTHEAST AROUND 8 MPH IN THE AFTERNOON.  
RIDGETOP...........SOUTHWEST AROUND 10 MPH.  
MIXING HEIGHT.......INCREASING TO 4400 FT AGL.  
TRANSPORT WINDS.....WEST AROUND 14 MPH.  
HAINES INDEX........3.  
 
 
FORECASTER...VERTZ  
REQUESTED BY...JEFF STABIO  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2306648.2/BYZ  
.DELDT 03/23/23  
.FORMATTERVERSION 2.0.0  
.EMAIL JEFFEORY.STABIO@USDA.GOV  
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