906  
FNUS75 KBYZ 031410  
FWSBYZ  
 
SPOT FORECAST FOR PHILLIPS BUTTE RX...USFS ASHLAND RANGER DISTRICT  
NATIONAL WEATHER SERVICE BILLINGS MT  
710 AM MST TUE FEB 3 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0900 MST ON FEBRUARY 05.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT OUR OFFICE IF YOU HAVE QUESTIONS  
OR CONCERNS WITH THIS FORECAST.  
   
DISCUSSION  
 
A STRONG RIDGE OF HIGH PRESSURE WILL PERSIST WEDNESDAY THROUGH  
SATURDAY. THURSDAY WILL BE VERY WARM WITH MIN RHS IN THE MID TO  
UPPER 20S PERCENT. WINDS WILL BE LIGHTER FOR FRIDAY.  
   
THURSDAY  
 
SKY/WEATHER.........SUNNY.  
CWR.................0 PERCENT.  
CHANCE OF LIGHTNING.0 PERCENT.  
MAX TEMPERATURE.....61-65.  
MIN HUMIDITY........26-30 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......SOUTHWEST TO WEST WINDS 5 TO 10 MPH. GUSTS UP  
TO 25 MPH IN THE AFTERNOON.  
RIDGETOP...........NORTHWEST 20 TO 30 MPH.  
MIXING HEIGHT.......INCREASING TO 3200 FT AGL IN THE AFTERNOON.  
TRANSPORT WINDS.....WEST TO NORTHWEST 13 TO 21 MPH.  
 
TIME (MST) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
TEMP............44 50 56 60 62 63 62 60 57  
RH..............51 43 36 32 29 28 30 33 38  
20 FT WIND DIR..W W W W W W W W NW  
20 FT WIND SPD..6 6 7 8 9 10 10 8 6  
20 FT WIND GUST.10 13 17 19 21 23 21 17 15  
   
THURSDAY NIGHT  
 
SKY/WEATHER.........MOSTLY CLEAR.  
CWR.................0 PERCENT.  
CHANCE OF LIGHTNING.0 PERCENT.  
MIN TEMPERATURE.....28-32.  
MAX HUMIDITY........72-76 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......NORTHWEST WINDS UP TO 6 MPH IN THE EVENING  
BECOMING LIGHT.  
RIDGETOP...........NORTH AROUND 25 MPH DECREASING TO THE 10 MPH  
EARLY IN THE MORNING.  
MIXING HEIGHT.......DECREASING TO 200 FT AGL OVERNIGHT.  
TRANSPORT WINDS.....NORTHWEST 7 TO 14 MPH SHIFTING TO THE SOUTH  
AROUND 8 MPH EARLY IN THE MORNING.  
 
TIME (MST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
TEMP............54 50 46 43 41 39 37 35 33 32 32 32  
RH..............42 46 51 56 61 66 70 72 74 75 75 74  
20 FT WIND DIR..NW NW NW NW NW W W W SW SW SW S  
20 FT WIND SPD..6 6 5 5 5 3 3 3 2 2 2 3  
20 FT WIND GUST.10 10 8 8 8 6 6 6 6 6 6 6  
   
FRIDAY  
 
SKY/WEATHER.........SUNNY.  
CWR.................0 PERCENT.  
CHANCE OF LIGHTNING.0 PERCENT.  
MAX TEMPERATURE.....57-61.  
MIN HUMIDITY........30-34 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......SOUTH WINDS 5 TO 10 MPH WITH GUSTS 13 TO 18 MPH.  
WINDS BECOMING LIGHT LATE IN THE AFTERNOON.  
RIDGETOP...........SOUTH AROUND 10 TO 15 MPH.  
MIXING HEIGHT.......INCREASING TO 1300 FT AGL IN THE AFTERNOON.  
TRANSPORT WINDS.....SOUTH 9 TO 15 MPH.  
 
TIME (MST) 6 AM 9 AM NOON 3 PM  
TEMP............31 37 54 58  
RH..............75 63 37 34  
20 FT WIND......S 3G6 S 4G6 S 5G16 S 5G12  
 
 
FORECASTER...STETZER  
REQUESTED BY...CODY PHILLIPS  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2601508.1/BYZ  
.DELDT 02/03/26  
.FORMATTERVERSION 2.0.0  
.EMAIL CODY.PHILLIPS2@USDA.GOV  
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