517
FNUS75 KBYZ 071354
FWSBYZ
SPOT FORECAST FOR NATURAL BRIDGE FIRE...USFS
NATIONAL WEATHER SERVICE BILLINGS MT
654 AM MST WED JAN 7 2026
FORECAST IS BASED ON FORECAST START TIME OF 0700 MST ON JANUARY 07.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
PLEASE CONTACT OUR OFFICE IF YOU HAVE QUESTIONS
OR CONCERNS WITH THIS FORECAST.
..WIND ADVISORY IN EFFECT UNTIL NOON MST TODAY
DISCUSSION
BREEZY SOUTH TO SOUTHWEST WINDS THIS MORNING WILL DECREASE INTO
THE AFTERNOON, SHIFTING TO THE NORTHWEST WITH A COLD FRONT PASSAGE
BETWEEN 1100-1300 MST. THE FRONT WILL BRING SCATTERED SNOW
SHOWERS THIS AFTERNOON INTO THE EVENING, WITH ANY SNOW
ACCUMULATIONS OF AN INCH OR LESS. SOUTHERLY OR
DOWNSLOPE/DOWNVALLEY WINDS WILL DEVELOP BY SUNSET, WITH MODERATE
RH RECOVERIES OVERNIGHT. COOLER CONDITIONS AND ADDITIONAL CHANCES
FOR SNOW SHOWERS CAN BE EXPECTED ON THURSDAY AS ANOTHER WEAK
DISTURBANCE AND ASSOCIATED COLD FRONT CROSS THE REGION. CURRENTLY,
IT LOOKS LIKE THE FRONTAL PASSAGE WILL BE ABOUT MID MORNING FOR
THURSDAY.
TODAY
SKY/WEATHER.........PARTLY SUNNY. CHANCE OF SNOW SHOWERS IN
THE AFTERNOON.
CWR.................20 PERCENT.
MAX TEMPERATURE.....40-45.
MIN HUMIDITY........36-41 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTH TO SOUTHWEST WINDS 15 TO 30 MPH WITH GUSTS
UP TO 40 MPH BECOMING NORTHWEST 10 TO 20 MPH WITH
GUSTS TO AROUND 25 MPH WITH A COLD FRONT PASSAGE
BETWEEN 1100-1300 MST.
RIDGETOP...........WEST 30 TO 50 MPH, BECOMING WEST TO NORTHWEST
20 TO 40 MPH IN THE AFTERNOON.
MIXING HEIGHT.......INCREASING TO 5900 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST AROUND 40 MPH, BECOMING WEST IN
THE AFTERNOON.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS IN THE
EVENING, THEN SLIGHT CHANCE OF SNOW SHOWERS
OVERNIGHT.
CWR.................10 PERCENT.
MIN TEMPERATURE.....22-26.
MAX HUMIDITY........62-68 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTHWEST OR DOWNSLOPE/DOWNVALLEY WINDS 5 TO 10 MPH.
RIDGETOP...........SOUTHWEST AROUND 20 MPH.
MIXING HEIGHT.......DECREASING TO 600 FT AGL OVERNIGHT.
TRANSPORT WINDS.....SOUTHWEST AROUND 12 MPH.
THURSDAY
SKY/WEATHER.........PARTLY SUNNY. CHANCE OF SNOW SHOWERS.
CWR.................15 PERCENT.
MAX TEMPERATURE.....30-34.
MIN HUMIDITY........40-46 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTH TO SOUTHWEST WINDS 5 TO 10 MPH IN THE MORNING,
BECOMING NORTHWEST 6 TO 12 MPH WITH GUSTS TO 20 MPH
BY AFTERNOON WITH A COLD FRONT PASSAGE.
RIDGETOP...........WEST AROUND 10 MPH BECOMING NORTHWEST 15 TO 25 MPH
BY AFTERNOON.
MIXING HEIGHT.......INCREASING TO 6400 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....WEST AROUND 20 MPH.
FORECASTER...PALMQUIST
REQUESTED BY...GREG OYLER
TYPE OF REQUEST...WILDFIRE
.TAG 2528491.0/BYZ
.DELDT 01/07/26
.FORMATTERVERSION 2.0.0
.EMAIL GREGORY.OYLER@USDA.GOV
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