656  
FNUS75 KBYZ 190936  
FWSBYZ  
 
SPOT FORECAST FOR NORTH HEBGEN HAND PILES RX...USFS  
NATIONAL WEATHER SERVICE BILLINGS MT  
236 AM MST WED NOV 19 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 0900 MST ON NOVEMBER 19.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT OUR OFFICE IF YOU HAVE QUESTIONS  
OR CONCERNS WITH THIS FORECAST.  
   
DISCUSSION
 
 
A WEATHER SYSTEM MOVING ACROSS THE REGION TODAY WILL PRODUCE  
ISOLATED RAIN/SNOW SHOWERS OVER THE BURN VICINITY. HOWEVER, THE  
CHANCE OF WETTING PRECIP IS QUITE LOW (<5%). BEFORE THINGS  
DIMINISH LATE IN THE DAY. WINDS WILL BE LIGHT AND GENERALLY  
WESTERLY, BUT MAY BE VARIABLE AT TIMES WHEN SHOWERS ARE IN THE  
VICINITY. SOME FOG IS POSSIBLE TONIGHT, BUT OTHERWISE LOOK FOR  
DECREASING CLOUDS AND MOSTLY SUNNY CONDITIONS THURSDAY WITH LIGHT  
WINDS. BT  
   
REST OF TODAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF MORNING SNOW SHOWERS,  
THEN SLIGHT CHANCE OF RAIN SHOWERS IN THE AFTERNOON.  
CWR.................0 PERCENT.  
MAX TEMPERATURE.....42-46.  
MIN HUMIDITY........64-72 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......LIGHT WINDS BECOMING WEST/SOUTHWEST UP TO 7 MPH  
EARLY IN THE AFTERNOON, THEN BECOMING LIGHT  
LATE IN THE AFTERNOON.  
RIDGETOP...........SOUTHWEST AROUND 14 MPH.  
MIXING HEIGHT.......1200 FT AGL EARLY IN THE MORNING INCREASING TO  
3700 FT AGL IN THE AFTERNOON.  
TRANSPORT WINDS.....SOUTHWEST 6 TO 11 MPH.  
 
TIME (MST) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........92 83 82 84 77 72 72 76 69  
WEATHER COV.....SCH SCH SCH SCH SCH SCH SCH  
WEATHER TYPE....RS RS RS RS RS RW RW  
TSTM COV........  
TEMP............33 35 38 41 42 42 43 41 39  
RH..............96 88 83 75 70 66 65 67 75  
20 FT WIND DIR..SE S S SW SW SW SW S S  
20 FT WIND SPD..3 5 6 6 6 7 5 4 4  
20 FT WIND GUST.6 8 8 9 10 10 10 8 7  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY.  
CWR.................0 PERCENT.  
MIN TEMPERATURE.....22-26.  
MAX HUMIDITY........92-100 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......LIGHT WINDS.  
RIDGETOP...........SOUTHWEST 10 TO 15 MPH.  
MIXING HEIGHT.......1100 FT AGL EARLY IN THE EVENING DECREASING TO  
1000 FT AGL OVERNIGHT.  
TRANSPORT WINDS.....SOUTH 5 TO 6 MPH.  
 
TIME (MST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........71 66 65 71 73 69 78 81 79 84 85 86  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............37 33 31 29 29 28 28 28 28 27 27 27  
RH..............82 87 94 96 99 100 97 100 99 99 100 99  
20 FT WIND DIR..S SE E E SE SE E E E E E E  
20 FT WIND SPD..2 2 2 2 2 2 2 2 1 1 1 1  
20 FT WIND GUST.6 5 5 5 5 5 5 4 4 2 2 2  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING MOSTLY SUNNY.  
CWR.................0 PERCENT.  
MAX TEMPERATURE.....43-47.  
MIN HUMIDITY........53-57 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......LIGHT WINDS.  
RIDGETOP...........SOUTHWEST 5 TO 10 MPH.  
MIXING HEIGHT.......900 FT AGL EARLY IN THE MORNING INCREASING TO  
3400 FT AGL IN THE AFTERNOON.  
TRANSPORT WINDS.....SOUTH 5 TO 6 MPH SHIFTING TO THE SOUTHWEST  
AROUND 5 MPH LATE IN THE AFTERNOON, THEN  
SHIFTING TO THE NORTH LATE IN THE AFTERNOON.  
 
TIME (MST) 6 AM 9 AM NOON 3 PM  
SKY (%).........87 76 55 34  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE  
TSTM COV........  
TEMP............25 32 42 44  
RH..............100 96 67 54  
20 FT WIND......E 1G2 SE 1G2 S 1G5 SW 2G6  
 

 
FORECASTER...TESAR  
REQUESTED BY...ZACHARIAH SACHS  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2526194.1/BYZ  
.DELDT 11/19/25  
.FORMATTERVERSION 2.0.0  
.EMAIL ZACHARIAH.SACHS@USDA.GOV,JAMES.M.RAY@USDA.GOV,BRECK.KLEIN@USDA.GOV  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab MT Page
The Nexlab WY Page Main Text Page