025  
FNUS75 KBYZ 082222  
FWSBYZ  
 
SPOT FORECAST FOR STILLWATER RIVER RD...STILLWATER DES  
NATIONAL WEATHER SERVICE BILLINGS MT  
322 PM MST MON DEC 8 2025  
 
FORECAST IS BASED ON FORECAST START TIME OF 1500 MST ON DECEMBER 08.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT OUR OFFICE IF YOU HAVE QUESTIONS  
OR CONCERNS WITH THIS FORECAST.  
   
..WIND ADVISORY IN EFFECT UNTIL 5 PM MST THIS AFTERNOON  
 
...HIGH WIND WARNING IN EFFECT FROM 5PM MST THIS AFTERNOON  
UNTIL 11 AM MST TUESDAY...  
   
DISCUSSION  
 
STRONG WINDS ARE EXPECTED TO DEVELOP OVER THE AREA TONIGHT INTO  
TUESDAY AS A DISTURBANCE MOVES THROUGH THE REGION. STRONGEST WINDS  
CAN BE EXPECTED LATE TONIGHT AND TUESDAY MORNING. WINDS WILL  
BECOME MORE NORTHWEST TUESDAY AFTERNOON, DECREASING INTO TUESDAY  
NIGHT. THERE IS A CHANCE FOR RAIN AND SNOW, MAINLY TUESDAY NIGHT  
INTO WEDNESDAY, WITH RAINFALL AMOUNTS OF A TENTH OR LESS, AND  
SNOWFALL AMOUNTS OF A HALF INCH OR LESS. WINDS WILL INCREASE ON  
WEDNESDAY AS ANOTHER DISTURBANCE MOVES THROUGH THE REGION, BUT ARE  
WILL BE LESS THAN TUESDAY. TEMPERATURES WILL BE MILD THROUGH  
WEDNESDAY.  
 
SKY/WEATHER.........CLOUDY.  
CHANCE OF PCPN......10 PERCENT.  
MAX TEMPERATURE.....45-49.  
MIN HUMIDITY........30-36 PERCENT.  
SURFACE WINDS (MPH).SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO  
AROUND 28 MPH.  
RIDGETOP...........SOUTHWEST 15 TO 30 MPH.  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN.  
CHANCE OF PCPN......15 PERCENT.  
MIN TEMPERATURE.....36-42.  
MAX HUMIDITY........50-56 PERCENT.  
SURFACE WINDS (MPH).SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO  
AROUND 40 MPH IN THE EVENING, INCREASING TO  
SOUTHWEST 20 TO 35 MPH WITH GUSTS TO 50 MPH  
OVERNIGHT.  
RIDGETOP...........SOUTHWEST 25 TO 35 MPH IN THE EVENING,  
INCREASING TO 30 TO 40 WITH GUSTS TO AROUND  
60 MPH OVERNIGHT.  
   
TUESDAY  
 
SKY/WEATHER.........PARTLY SUNNY. CHANCE OF RAIN.  
CHANCE OF PCPN......30 PERCENT.  
MAX TEMPERATURE.....50-54.  
MIN HUMIDITY........30-36 PERCENT.  
SURFACE WINDS (MPH).WEST WINDS 25 TO 40 MPH WITH GUSTS UP TO 60  
MPH IN THE MORNING, BECOMING NORTHWEST 20 TO 30  
MPH WITH GUSTS TO 40 MPH IN THE AFTERNOON.  
RIDGETOP...........WEST 30 TO 40 MPH WITH GUSTS TO 60 MPH IN  
THE MORNING, BECOMING NORTHWEST 20 TO 40 MPH  
IN THE AFTERNOON.  
   
TUESDAY NIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW  
OVERNIGHT.  
CHANCE OF PCPN......60 PERCENT.  
MIN TEMPERATURE.....30-35.  
MAX HUMIDITY........70-76 PERCENT.  
SURFACE WINDS (MPH).SOUTHWEST TO WEST 15 TO 25 MPH.  
RIDGETOP...........SOUTHWEST 15 TO 30 MPH.  
   
WEDNESDAY  
 
SKY/WEATHER.........CLOUDY THEN BECOMING PARTLY SUNNY. CHANCE  
OF RAIN AND SNOW IN THE MORNING, THEN RAIN  
IN THE AFTERNOON.  
CHANCE OF PCPN......50 PERCENT.  
MAX TEMPERATURE.....50-55.  
MIN HUMIDITY........45-50 PERCENT.  
SURFACE WINDS (MPH).SOUTHWEST TO WEST WINDS 10 TO 25 MPH WITH GUSTS TO  
AROUND 35 MPH.  
RIDGETOP...........WEST 20 TO 40 MPH.  
 
 
FORECASTER...PALMQUIST  
REQUESTED BY...DAVID STAMEY  
TYPE OF REQUEST...OTHER  
.TAG 2527223.0/BYZ  
.DELDT 12/08/25  
.FORMATTERVERSION 2.0.0  
.EMAIL DSTAMEY@STILLWATERCOUNTYMT.GOV  
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