515
FNUS75 KBYZ 260153
FWSBYZ
SPOT FORECAST FOR EAST SIDE FIRE...CARBON COUNTY
NATIONAL WEATHER SERVICE BILLINGS MT
753 PM MDT SAT APR 25 2026
FORECAST IS BASED ON FORECAST START TIME OF 2000 MDT ON APRIL 25.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
PLEASE CONTACT OUR OFFICE IF YOU HAVE QUESTIONS
OR CONCERNS WITH THIS FORECAST.
DISCUSSION
BUILDING CLOUDS OVERNIGHT TONIGHT WILL LEAD TO A MOSTLY CLOUDY
DAY SUNDAY. SNOW SHOWERS AT THE RIDGETOP WILL START AROUND NOON
SUNDAY BEFORE SPREADING DOWN TO THE LOW ELEVATIONS SUNDAY EVENING.
UP TO TWO INCHES OF ACCUMULATION FORECAST BEFORE SUNSET SUNDAY.
SNOW COVERAGE AND INTENSITY WILL INCREASE LATE SUNDAY AND
OVERNIGHT INTO MONDAY. ADDITIONAL SNOW ACCUMULATION SUNDAY NIGHT
INTO MONDAY COULD TOTAL UP TO TWO INCHES IN TOWN AND THE VALLEYS
AND TWO TO FOUR INCHES FOR THE HIGHER TERRAIN.
TONIGHT
SKY/WEATHER.........SNOW SHOWERS IN THE EVENING.
CWR.................5 PERCENT.
CHANCE OF LIGHTNING.1 PERCENT.
MIN TEMPERATURE.....19-24.
MAX HUMIDITY........68-72 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......PREDOMINANTLY TERRAIN DRIVEN.
RIDGETOP...........SOUTHWEST AROUND 10 MPH.
MIXING HEIGHT.......DECREASING TO 100 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 7 MPH.
SUNDAY
SKY/WEATHER.........MOSTLY CLOUDY. SNOW SHOWERS IN THE AFTERNOON.
CWR.................30 PERCENT.
CHANCE OF LIGHTNING.5 PERCENT.
MAX TEMPERATURE.....27-32.
MIN HUMIDITY........60-65 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......PRIMARILY TERRAIN DRIVEN IN THE MORNING BECOMING
NORTH-NORTHEAST 10 TO 15 MPH WITH GUSTS UP TO 25 MPH
IN THE AFTERNOON.
RIDGETOP...........SOUTHWEST AROUND 15 MPH IN THE MORNING BECOMING
NORTHEAST AROUND 30 MPH IN THE AFTERNOON.
MIXING HEIGHT.......INCREASING TO 1800 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH IN THE MORNING BECOMING
NORTH-NORTHEAST AROUND 15 MPH IN THE AFTERNOON.
SUNDAY NIGHT
SKY/WEATHER.........SNOW INCREASING OVERNIGHT.
CWR.................80 PERCENT.
CHANCE OF LIGHTNING.1 PERCENT.
MIN TEMPERATURE.....17-22.
MAX HUMIDITY........80-84 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......NORTH-NORTHEAST WINDS 5 TO 12 MPH. GUSTS UP TO 25 MPH IN
THE EVENING.
RIDGETOP...........NORTHEAST AROUND 20 MPH EARLY BECOMING EAST AROUND 15 MPH
AFTER MIDNIGHT.
MIXING HEIGHT.......DECREASING TO 200 FT AGL OVERNIGHT.
TRANSPORT WINDS.....NORTHEAST AROUND 15 MPH.
FORECASTER...MCKEOWN-ROBBIE/TESAR
REQUESTED BY...TOM KOHLEY SITL
TYPE OF REQUEST...WILDFIRE
.TAG 2611038.5/BYZ
.DELDT 04/25/26
.FORMATTERVERSION 2.0.0
.EMAIL CALLEN@CARBONMT.GOV,TKOHLEY@CARBONMT.GOV,DREW.GRIMES@USDA.GOV,MTBDC@FIRENET.GOV
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