606
FNUS75 KBYZ 141156
FWSBYZ
SPOT FORECAST FOR HEAVY TIMBER...MT-BDC
NATIONAL WEATHER SERVICE BILLINGS MT
556 AM MDT TUE JUL 14 2026
FORECAST IS BASED ON FORECAST START TIME OF 0700 MDT ON JULY 14.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
PLEASE CONTACT OUR OFFICE IF YOU HAVE QUESTIONS OR CONCERNS WITH
THIS FORECAST.
DISCUSSION
EASTERLY WINDS WILL SPREAD IN HIGHER MOISTURE AND RHS SHOULD STAY
ABOVE 30% TODAY, EVEN WITH VERY WARM TEMPS. SHOWERS AND
THUNDERSTORMS ARE LIKELY THIS EVENING, WITH THE RISK BEGINNING
AROUND 7PM AND LASTING THROUGH MIDNIGHT. STORMS COULD PRODUCE VERY
HEAVY RAINFALL AND STRONG ERRATIC WIND GUSTS AS HIGH AS 50-60
MPH. A DIRECT HIT FROM A HEAVY SHOWER COULD PRODUCE OVER A HALF
INCH OF RAIN IN A SHORT TIME. THIS WILL BE SOMETHING TO KEEP A
CLOSE EYE ON. AFTER A BREAK FROM LATE TONIGHT THROUGH MID
AFTERNOON WEDNESDAY, ANOTHER ROUND OF THUNDERSTORMS IS EXPECTED
LATE WEDNESDAY AFTERNOON AND EVENING.
TODAY
SKY/WEATHER.........MOSTLY SUNNY THROUGH THE MORNING, THEN INCREASING
CLOUDS IN THE AFTERNOON.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.5 PERCENT.
MAX TEMPERATURE.....95-99.
MIN HUMIDITY........31-35 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......NORTHWEST TO NORTH 5-10 MPH SHIFTING TO THE
NORTHEAST 10-15 MPH BY 10AM. GUSTS TO 22 MPH
IN THE AFTERNOON.
RIDGETOP...........NORTH 5-10 SHIFTING NORTHEAST TO EAST 10-15 MPH
WITH GUSTS TO 25 MPH IN THE AFTERNOON.
MIXING HEIGHT.......INCREASING TO 6500 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....NORTHEAST 14 MPH.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. NUMEROUS SHOWERS AND SCATTERED
THUNDERSTORMS IN THE EVENING, THEN SCATTERED
SHOWERS AND ISOLATED THUNDERSTORMS OVERNIGHT.
STORMS MAY PRODUCE HEAVY RAINFALL AND STRONG
ERRATIC WIND GUSTS IN THE EVENING.
CWR.................50 PERCENT.
CHANCE OF LIGHTNING.40 PERCENT.
MIN TEMPERATURE.....64-68.
MAX HUMIDITY........80-85 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......EAST 10-20 MPH SHIFTING NORTH AND GUSTING TO
35 MPH BY MIDNIGHT, THEN BECOMING WEST TO
NORTHWEST 5-10 MPH LATE.
RIDGETOP...........EAST 15-25 MPH SHIFTING NORTH AND GUSTING TO
40 MPH BY MIDNIGHT, THEN BECOMING NORTHWEST
10-15 MPH LATE.
MIXING HEIGHT.......DECREASING TO 500 FT AGL OVERNIGHT.
TRANSPORT WINDS.....EAST 18 MPH BECOMING NORTH 25 MPH, DECREASING
TO NORTHWEST 10 MPH LATE.
WEDNESDAY
SKY/WEATHER.........PARTLY SUNNY. CHANCE OF THUNDERSTORMS BY LATE
AFTERNOON. STORMS MAY PRODUCE HEAVY RAINFALL AND
ERRATIC WIND GUSTS.
CWR.................15 PERCENT.
CHANCE OF LIGHTNING.25 PERCENT.
MAX TEMPERATURE.....85-89.
MIN HUMIDITY........42-46 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......NORTH TO NORTHEAST 10-15 MPH. AFTERNOON GUSTS TO
20 MPH.
RIDGETOP...........NORTH TO NORTHEAST 10-20 MPH.
MIXING HEIGHT.......INCREASING TO 5000 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....NORTH 15 MPH.
FORECASTER...LESTER
REQUESTED BY...AMBER
TYPE OF REQUEST...WILDFIRE
.TAG 2617310.1/BYZ
.DELDT 07/14/26
.FORMATTERVERSION 2.0.0
.EMAIL MTBDC@FIRENET.GOV
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page