277
FNUS75 KBYZ 020054
FWSBYZ
SPOT FORECAST FOR ROUGH BRAD FIRE...POWDER RIVER COUNTY
NATIONAL WEATHER SERVICE BILLINGS MT
654 PM MDT FRI MAY 1 2026
FORECAST IS BASED ON FORECAST START TIME OF 1900 MDT ON MAY 01.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
PLEASE CONTACT OUR OFFICE IF YOU HAVE QUESTIONS
OR CONCERNS WITH THIS FORECAST.
DISCUSSION
NORTHERLY WINDS EARLY THIS EVENING WILL GRADUALLY SHIFT TO THE
EAST, THEN SOUTHWEST AT THE FIRE SITE OVERNIGHT. EXPECT MODERATE
RH RECOVERIES WITH TEMPS DOWN INTO THE 30S. SATURDAY WILL BRING
MILD, DRY AND SOMEWHAT BREEZY CONDITIONS WITH WEST WINDS SHIFTING
TO THE NORTHWEST, GUSTING TO 25 MPH IN THE AFTERNOON. A MID
AFTERNOON FRONT WILL CAUSE WINDS TO SHIFT TO THE NORTH AND
NORTHEAST, BRINGING INCREASING CLOUDS AND RH. A FEW ISOLATED
SHOWERS ARE POSSIBLE SATURDAY EVENING/NIGHT, WITH MUCH BETTER RH
RECOVERIES SATURDAY NIGHT.
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MIN TEMPERATURE.....34-38.
MAX HUMIDITY........46-52 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......NORTH TO NORTHEAST WINDS 6 TO 12 MPH WITH GUSTS
TO 18 MPH EARLY THIS EVENING, BECOMING EAST
5 TO 10 MPH BY 2100 MDT. WINDS BECOMING SOUTHWEST
6 TO 12 MPH OVERNIGHT.
RIDGETOP...........NORTH TO NORTHEAST 10 TO 20 MPH EARLY THIS EVENING,
BECOMING EAST 6 TO 12 MPH BY 2100 MDT. WINDS
BECOMING SOUTHWEST 7 TO 14 MPH OVERNIGHT.
MIXING HEIGHT.......DECREASING TO 400 FT AGL OVERNIGHT.
TRANSPORT WINDS.....NORTH AROUND 20 MPH BECOMING SOUTHWEST AROUND 15
MPH OVERNIGHT.
SATURDAY
SKY/WEATHER.........MOSTLY SUNNY.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....70-75.
MIN HUMIDITY........18-23 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......WEST 6 TO 12 MPH IN THE MORNING, BECOMING NORTHWEST
WINDS 8 TO 16 MPH BY AFTERNOON. WINDS SHIFT NORTHERLY
WITH A FRONT AROUND 1500 MDT. GUSTS UP TO 25 MPH IN
THE AFTERNOON.
RIDGETOP...........WEST 7 TO 14 MPH IN THE MORNING, BECOMING NORTHWEST
10 TO 20 MPH BY AFTERNOON. WINDS SHIFT NORTHERLY
WITH A FRONT AROUND 1500 MDT. GUSTS UP TO 25 MPH IN THE
AFTERNOON.
MIXING HEIGHT.......INCREASING TO 10000 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....WEST AROUND 15 MPH IN THE MORNING, BECOMING NORTHWEST
AROUND 25 MPH IN THE AFTERNOON.
SATURDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS
IN THE EVENING AND OVERNIGHT.
CWR.................LESS THAN 10 PERCENT.
CHANCE OF LIGHTNING.10 PERCENT.
MIN TEMPERATURE.....40-44.
MAX HUMIDITY........76-80 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......NORTH TO NORTHEAST WINDS 6 TO 12 MPH WITH
GUSTS TO AROUND 18 MPH IN THE EVENING
BECOMING LIGHT OVERNIGHT.
RIDGETOP...........NORTH TO NORTHEAST WINDS 7 TO 14 MPH WITH
GUSTS TO 20 MPH IN THE EVENING, BECOMING
SOUTHWEST 5 TO 10 MPH OVERNIGHT.
MIXING HEIGHT.......DECREASING TO 200 FT AGL OVERNIGHT.
TRANSPORT WINDS.....NORTHEAST AROUND 20 MPH, BECOMING SOUTHWEST
AROUND 10 MPH OVERNIGHT.
FORECASTER...PALMQUIST
REQUESTED BY...SIERRA LLOYD
TYPE OF REQUEST...WILDFIRE
.TAG 2612472.0/BYZ
.DELDT 05/01/26
.FORMATTERVERSION 2.0.0
.EMAIL SLLOYD@PRCSHERIFF.COM, MTMCC@FIRENET.GOV
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