321  
FNUS75 KBYZ 170238  
FWSBYZ  
 
SPOT FORECAST FOR BACK LOOP...BIA  
NATIONAL WEATHER SERVICE BILLINGS MT  
ISSUED BY NATIONAL WEATHER SERVICE GLASGOW MT  
738 PM MST MON FEB 16 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 2000 MST ON FEBRUARY 16.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT OUR OFFICE IF YOU HAVE QUESTIONS OR CONCERNS WITH  
THIS FORECAST.  
 
...HIGH WIND WARNING IN EFFECT FROM 11 PM THIS EVENING TO 8 PM  
MST TUESDAY...  
   
DISCUSSION  
 
THERE IS POTENTIAL FOR SURFACING MOUNTAIN WAVE WINDS DESCENDING  
THE NORTHERN BIGHORNS LATE TONIGHT THROUGH TUESDAY MORNING. THESE  
WINDS ARE TOUGH TO PREDICT AND ARE TYPICALLY ERRATIC, SO EXPECT  
FLUCTUATIONS BETWEEN LIGHTER WINDS AND PERIODIC STRONG GUSTS.  
WIND GUSTS NEAR 45 MPH ARE POSSIBLE AFTER 2AM TONIGHT THROUGH  
11AM TUESDAY. THEN, A COLD FRONT WILL SHIFT WINDS TO THE  
WEST/NORTHWEST WITH STEADIER GUSTS OF 40 TO 50 MPH THROUGH THE  
AFTERNOON. A FEW GUSTS COULD REACH 55 MPH TOMORROW. OTHERWISE,  
EXPECT SCATTERED LIGHT SHOWERS, MAINLY IN THE MORNING, AND LOW  
AFTERNOON HUMIDITY DESPITE FALLING TEMPERATURES.  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLEAR IN THE EVENING, THEN  
INCREASING CLOUDS OVERNIGHT.  
CWR.................0 PERCENT.  
CHANCE OF LIGHTNING.0 PERCENT.  
MIN TEMPERATURE.....37-41.  
MAX HUMIDITY........51-55 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......SOUTH TO SOUTHEAST 5-10 MPH. GUSTS TO  
40 MPH POSSIBLE AFTER 2AM.  
RIDGETOP...........SOUTH 10-15 MPH BECOMING SOUTHWEST  
20-30 MPH OVERNIGHT.  
MIXING HEIGHT.......DECREASING TO 900 FT AGL OVERNIGHT.  
TRANSPORT WINDS.....SOUTH 8 MPH INCREASING TO SOUTHWEST 25  
MPH OVERNIGHT.  
   
TUESDAY  
 
SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED LIGHT RAIN  
SHOWERS IN THE MORNING, THEN ISOLATED SNOW  
AFTERNOON SNOW SHOWERS.  
CWR.................10 PERCENT.  
CHANCE OF LIGHTNING.0 PERCENT.  
MAX TEMPERATURE.....54-58. TEMPS FALLING IN THE AFTERNOON.  
MIN HUMIDITY........20-24 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......SOUTHWEST 15-25 MPH WITH OCCASIONAL GUSTS  
TO 45 MPH IN THE MORNING. SHIFTING WEST  
BY MIDDAY. WEST TO NORTHWEST 25-35 MPH  
WITH GUSTS TO 50 MPH IN THE AFTERNOON.  
RIDGETOP...........SOUTHWEST AROUND 35 MPH SHIFTING WEST. GUSTS  
40 TO 50 MPH.  
MIXING HEIGHT.......INCREASING TO 6500 FT AGL IN THE AFTERNOON.  
TRANSPORT WINDS.....SOUTHWEST 35 MPH SHIFTING WEST.  
 
 
FORECASTER...LESTER  
REQUESTED BY...INCIDENT COMMANDER  
TYPE OF REQUEST...WILDFIRE  
.TAG 2602869.0/BYZ  
.DELDT 02/16/26  
.FORMATTERVERSION 2.0.0  
.EMAIL MTBDC@FIRENET.GOV  
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