081  
FNUS75 KBYZ 151521  
FWSBYZ  
 
SPOT FORECAST FOR PHILLIPS BUTTE RX...BLM  
NATIONAL WEATHER SERVICE BILLINGS MT  
ISSUED BY NATIONAL WEATHER SERVICE GLASGOW MT  
821 AM MST SUN FEB 15 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 1200 MST ON FEBRUARY 15.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT OUR OFFICE IF YOU HAVE QUESTIONS  
OR CONCERNS WITH THIS FORECAST.  
   
DISCUSSION
 
 
WARM AND DRY CONDITIONS WILL CONTINUE TODAY AND MONDAY. LOOK FOR  
TEMPERATURES TO BE IN THE 50S TO LOWER 60S WITH MINIMUM RELATIVE  
HUMIDITY VALUES IN THE LOWER 20S TO UPPER TEENS PERCENT, WARMEST  
AND DRIEST MONDAY. OTHERWISE, WINDS WILL BE LIGHT OVERNIGHT WITH  
GUSTS IN THE TEENS TO 20 MPH DURING THE DAY TODAY AND MONDAY,  
STRONGEST TODAY. ON TUESDAY, A WEATHER SYSTEM WILL BRING COOLER  
TEMPERATURES AND A MODERATE CHANCE OF PRECIPITATION BACK TO THE  
BURN SITE. A COLD FRONT ASSOCIATED WITH THIS WEATHER SYSTEM WILL  
ALSO BRING A PERIOD OF MODERATE TO STRONG WINDS ON TUESDAY WITH  
GUSTS IN THE 30S AND 40S (MPH) LIKELY. THE CHANCE OF SEEING A 50  
MPH WIND GUST WITH THE FRONT TUESDAY IS 30 PERCENT.  
 
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
CWR.................0 PERCENT.  
CHANCE OF LIGHTNING.0 PERCENT.  
MIN TEMPERATURE.....26-30.  
MAX HUMIDITY........60-64 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......LIGHT WINDS.  
RIDGETOP...........WEST AROUND 30 MPH DECREASING TO AROUND 20 MPH  
EARLY IN THE MORNING.  
MIXING HEIGHT.......5600 FT AGL EARLY IN THE EVENING DECREASING TO  
200 FT AGL OVERNIGHT.  
TRANSPORT WINDS.....WEST AROUND 10 MPH SHIFTING TO THE SOUTH LATE IN  
THE EVENING.  
SMOKE DISPERSAL.....POOR (2000 KNOT-FT EARLY IN THE EVENING  
DECREASING TO 1000 KNOT-FT LATE IN THE NIGHT).  
 
TIME (MST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........32 38 49 37 22 14 14 11 9 11 17 14  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF LTNG (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............50 46 43 41 39 37 34 34 32 31 30 30  
RH..............31 36 41 46 51 53 57 59 61 60 62 59  
20 FT WIND DIR..NW N N NE E SE S S S S S S  
20 FT WIND SPD..6 6 5 4 4 4 4 4 4 4 5 5  
20 FT WIND GUST.8 8 8 8 8 8 8 8 8 8 8 8  
SDSP KT-FT/1000.2 1 2 2 2 2 2 2 1 1 1 1  
   
WASHINGTONS BIRTHDAY
 
 
SKY/WEATHER.........SUNNY.  
CWR.................0 PERCENT.  
CHANCE OF LIGHTNING.0 PERCENT.  
MAX TEMPERATURE.....57-61.  
MIN HUMIDITY........18-22 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......LIGHT WINDS BECOMING SOUTH UP TO 9 MPH LATE IN  
THE MORNING.  
RIDGETOP...........SOUTHWEST 17 TO 22 MPH.  
MIXING HEIGHT.......200 FT AGL EARLY IN THE MORNING INCREASING TO  
5100 FT AGL IN THE AFTERNOON.  
TRANSPORT WINDS.....SOUTH 8 TO 10 MPH.  
SMOKE DISPERSAL.....POOR (1100 KNOT-FT) EARLY IN THE MORNING  
INCREASING TO FAIR (46100 KNOT-FT) IN THE  
AFTERNOON.  
 
TIME (MST) 6 AM 9 AM NOON 3 PM  
SKY (%).........14 16 5 6  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE  
TSTM COV........  
CHC OF LTNG (%).0 0 0 0  
TEMP............29 38 56 59  
RH..............62 46 24 20  
20 FT WIND......S 3G6 S 4G7 S 6G11 S 6G13  
SDSP KT-FT/1000.1 3 27 37  
 

 
FORECASTER...LESTER/JAMBA  
REQUESTED BY...BRETT STEFFEN  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2602731.2/BYZ  
.DELDT 02/15/26  
.FORMATTERVERSION 2.0.0  
.EMAIL MTMCC@FIRENET.GOV  
 
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