028
FNUS75 KBYZ 260341
FWSBYZ
SPOT FORECAST FOR YELLOW MULE...MT-CGF FS
NATIONAL WEATHER SERVICE BILLINGS MT
941 PM MDT TUE AUG 25 2026
FORECAST IS BASED ON FORECAST START TIME OF 2100 MDT ON AUGUST 25.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
PLEASE CONTACT OUR OFFICE IF YOU HAVE QUESTIONS
OR CONCERNS WITH THIS FORECAST.
DISCUSSION
ISOLATED SHOWERS AND THUNDERSTORMS WILL CONTINUE INTO TONIGHT,
POTENTIALLY IMPACTING THE FIRE SITE UNTIL AROUND 0400 MDT
WEDNESDAY. WITH THIS, THE MAIN THREATS ARE LIGHTNING AND GUSTY AND
ERRATIC WINDS, WITH A LOW CHANCE OF A WETTING RAIN (10 PERCENT).
OUTSIDE OF ANY SHOWER OR THUNDERSTORM ACTIVITY, WINDS WILL
PRIMARILY BE OUT OF THE SOUTH TO SOUTHWEST TONIGHT. WEDNESDAY WILL
SEE SOUTHWESTERLY WINDS PREVAIL WITH ADDITIONAL AFTERNOON AND
EVENING SCATTERED SHOWERS AND THUNDERSTORMS. THE MAIN THREATS ARE
ONCE AGAIN LIGHTNING AND GUSTY AND ERRATIC WINDS, WITH A LOW
CHANCE OF A WETTING RAIN (20 PERCENT). SOUTH TO SOUTHWESTERLY
WINDS WILL PREVAIL AGAIN WEDNESDAY NIGHT. LA
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. ISOLATED SHOWERS AND
THUNDERSTORMS LATE IN THE EVENING. SLIGHT CHANCE
OF RAIN SHOWERS OVERNIGHT.
CWR.................10 PERCENT.
CHANCE OF LIGHTNING.15 PERCENT.
MIN TEMPERATURE.....47-51.
MAX HUMIDITY........64-68 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTH TO SOUTHWEST WINDS 5 TO 10 MPH. GUSTY AND
ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS.
RIDGETOP...........SOUTHWEST AROUND 10 TO 15 MPH.
MIXING HEIGHT.......DECREASING TO 500 FT AGL OVERNIGHT.
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH.
WEDNESDAY
SKY/WEATHER.........PARTLY SUNNY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON.
CWR.................15 PERCENT.
CHANCE OF LIGHTNING.20 PERCENT.
MAX TEMPERATURE.....65-69.
MIN HUMIDITY........29-33 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTHWEST WINDS 6 TO 12 MPH. GUSTS UP TO 20 MPH
IN THE AFTERNOON. GUSTY AND ERRATIC WINDS
EXPECTED NEAR THUNDERSTORMS.
RIDGETOP...........WEST 10 TO 15 MPH.
MIXING HEIGHT.......INCREASING TO 9900 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST TO WEST 10 TO 15 MPH.
WEDNESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING.
CWR.................10 PERCENT.
CHANCE OF LIGHTNING.15 PERCENT.
MIN TEMPERATURE.....48-52.
MAX HUMIDITY........60-64 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTH TO SOUTHWEST WINDS 5 TO 10 MPH. GUSTY AND
ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS.
RIDGETOP...........SOUTHWEST 10 TO 15 MPH.
MIXING HEIGHT.......DECREASING TO 400 FT AGL OVERNIGHT.
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH.
FORECASTER...ARENDS
REQUESTED BY...INCIDENT COMMANDER
TYPE OF REQUEST...WILDFIRE
.TAG 2620559.0/BYZ
.DELDT 08/25/26
.FORMATTERVERSION 2.0.0
.EMAIL MTBDC@FIRENET.GOV
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page