271
FNUS75 KBYZ 091740
FWSBYZ
SPOT FORECAST FOR DOYLE FENCE...USFS
NATIONAL WEATHER SERVICE BILLINGS MT
1040 AM MST TUE DEC 9 2025
FORECAST IS BASED ON IGNITION TIME OF 1000 MST ON DECEMBER 09.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
PLEASE CONTACT OUR OFFICE IF YOU HAVE QUESTIONS
OR CONCERNS WITH THIS FORECAST.
.THIS IS A RESUBMISSION OF THE PRIOR SPOT REQUEST, NO CHANGES WERE MADE TO THE FORECAST...
DISCUSSION
TEMPERATURES WILL BE MODERATE WEDNESDAY NIGHT THROUGH THURSDAY
WITH TEMPERATURES NEAR OR JUST ABOVE FREEZING. THIS WILL ALLOW FOR
A RAIN/SNOW MIX OF PRECIPITATION, ALTHOUGH NOT MUCH IS EXPECTED
IN THE WAY OF ACCUMULATION. A COLD FRONT IS EXPECTED TO MOVE
THROUGH THURSDAY EVENING BRINGING MUCH COOLER AIR AND AN INCREASED
CHANCE OF PRECIPITATION (60%). THERE IS ABOUT A 50% CHANCE OF A
TENTH OF AN INCH OF WATER WEDNESDAY THROUGH THURSDAY. TS
WEDNESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
SLIGHT CHANCE OF RAIN/SNOW SHOWERS LATE IN THE
EVENING.
CWR.................8 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MIN TEMPERATURE.....31-35.
MAX HUMIDITY........71-75 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......WEST WINDS 15 TO 25 MPH WITH GUSTS UP TO AROUND 42
MPH.
RIDGETOP...........NORTHWEST AROUND 50-60 MPH.
MIXING HEIGHT.......800 FT AGL EARLY IN THE EVENING DECREASING TO
300 FT AGL OVERNIGHT.
TRANSPORT WINDS.....WEST 31 TO 33 MPH.
SMOKE DISPERSAL.....POOR (22800 KNOT-FT EARLY IN THE EVENING
DECREASING TO 9600 KNOT-FT LATE IN THE NIGHT).
TIME (MST) 6 PM 9 PM MIDNGT 3 AM
SKY (%).........55 55 48 49
WEATHER COV.....S CHC S CHC S CHC S CHC
WEATHER TYPE....NONE NONE RNSN SNSHWR
TSTM COV........
CHC OF LTNG (%).0 0 0 0
TEMP............36 36 36 36
RH..............73 73 73 72
20 FT WIND......W 25G42 W 25G40 W 23G38 W 23G38
SDSP KT-FT/1000.23 12 12 10
THURSDAY
SKY/WEATHER.........PARTLY SUNNY. SLIGHT CHANCE OF SNOW SHOWERS LATE IN
THE AFTERNOON.
CWR.................8 PERCENT INCREASING TO 28 PERCENT LATE IN THE
AFTERNOON.
CHANCE OF LIGHTNING.1 PERCENT.
MAX TEMPERATURE.....38-42.
MIN HUMIDITY........56-60 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......WEST WINDS 15 TO 25 MPH WITH GUSTS TO AROUND 40
MPH.
RIDGETOP...........WEST AROUND 50-60 MPH.
MIXING HEIGHT.......INCREASING TO 1900 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....WEST 23 TO 32 MPH DECREASING TO AROUND 24 MPH
LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (10600 KNOT-FT) EARLY IN THE MORNING
INCREASING TO FAIR (57300 KNOT-FT) IN THE
AFTERNOON.
TIME (MST) 6 AM 9 AM NOON 3 PM
SKY (%).........49 53 43 43
WEATHER COV..... S CHC S CHC
WEATHER TYPE....SNSHWR SNSHWR SNSHWR SNSHWR
TSTM COV........
CHC OF LTNG (%).0 0 0 0
TEMP............34 36 38 36
RH..............70 63 58 62
20 FT WIND......W 22G38 W 22G38 W 20G35 W 22G38
SDSP KT-FT/1000.11 23 53 45
FORECASTER...MATOS
REQUESTED BY...TYRUS GARRETT
TYPE OF REQUEST...PRESCRIBED
.TAG 2527289.0/BYZ
.DELDT 12/09/25
.FORMATTERVERSION 2.0.0
.EMAIL TYRUS.GARRETT@USDA.GOV
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