308
FNUS75 KBYZ 170148
FWSBYZ
SPOT FORECAST FOR INTERIOR SMOKE HIGHLINE RX...BLM
NATIONAL WEATHER SERVICE BILLINGS MT
748 PM MDT SAT MAY 16 2026
FORECAST IS BASED ON FORECAST START TIME OF 2000 MDT ON MAY 16.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
PLEASE CONTACT OUR OFFICE IF YOU HAVE QUESTIONS
OR CONCERNS WITH THIS FORECAST.
DISCUSSION
A COLD FRONT IS FORECAST TO ARRIVE AT THE SITE BETWEEN 10 PM MDT
AND 1 AM MDT, BRINGING A WIND SHIFT TO THE NORTHWEST AND GUSTY
CONDITIONS INTO SUNDAY. GUSTS OF 30 TO 40 MPH WILL BE COMMON,
THOUGH THERE IS A 40 PERCENT CHANCE OF A GUST OF 50 MPH. SCATTERED
SHOWERS AND POTENTIALLY A WEAK THUNDERSTORM ARE POSSIBLE THROUGH
THIS EVENING, THOUGH THE CHANCE OF A WETTING RAIN IS VERY LOW. THE
BEST CHANCE FOR A THUNDERSTORM IS THROUGH MIDNIGHT. THE PRIMARY
CONCERNS WITH ANY THUNDERSTORMS WILL BE ERRATIC WIND GUSTS.
LOOK FOR NORTHWEST WINDS TO REMAIN BREEZY THROUGH SUNDAY, THOUGH
A BIT WEAKER, IN THE TEENS MPH AND GUSTS INTO THE 20S MPH.
RELATIVE HUMIDITY RECOVERIES WILL BE GOOD TONIGHT. MATOS
REST OF TONIGHT
SKY/WEATHER.........CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS EARLY IN THE EVENING,
THEN SLIGHT CHANCE OF RAIN SHOWERS OVERNIGHT.
CWR.................5 PERCENT.
CHANCE OF LIGHTNING.15 PERCENT.
MIN TEMPERATURE.....38-42.
MAX HUMIDITY........78-83 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......NORTH WINDS 7 TO 12 MPH SHIFTING TO THE
NORTHWEST 15 TO 22 MPH WITH A COLD FRONT BETWEEN
10 PM AND 1 AM. GUSTS OF 30 TO 40 MPH. ERRATIC
WIND GUSTS EXPECTED NEAR THUNDERSTORMS EARLY IN
THE EVENING.
RIDGETOP...........NORTH AROUND 10 MPH, BECOMING NORTHWEST 15 TO
20 MPH OVERNIGHT.
MIXING HEIGHT.......DECREASING TO 600 FT AGL OVERNIGHT.
TRANSPORT WINDS.....NORTHWEST AROUND 20 MPH.
SUNDAY
SKY/WEATHER.........PARTLY SUNNY.
CWR.................1 PERCENT.
CHANCE OF LIGHTNING.5 PERCENT.
MAX TEMPERATURE.....54-58.
MIN HUMIDITY........29-35 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......NORTHWEST WINDS 12 TO 17 MPH WITH GUSTS TO
AROUND 25 MPH.
RIDGETOP...........WEST AROUND 15 MPH.
MIXING HEIGHT.......INCREASING TO 7200 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....NORTHWEST AROUND 22 MPH.
FORECASTER...MATOS
REQUESTED BY...GWEN BELL
TYPE OF REQUEST...WILDFIRE
.TAG 2613847.0/BYZ
.DELDT 05/16/26
.FORMATTERVERSION 2.0.0
.EMAIL MTMCC@FIRENET.GOV
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