247
FNUS75 KBYZ 310530
FWSBYZ
SPOT FORECAST FOR HWY 1 INC 956...MT-CRA BIA
NATIONAL WEATHER SERVICE BILLINGS MT
1130 PM MDT THU JUL 30 2026
FORECAST IS BASED ON FORECAST START TIME OF 0000 MDT ON JULY 31.
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 MAY IMPACT THE FIRE SITE
BETWEEN 2AM TONIGHT AND 10AM FRIDAY MORNING. STORMS WILL BE WEAK
BUT COULD PRODUCE ERRATIC WIND GUSTS TO 30 MPH AND BRIEF MODERATE
RAINFALL. ONCE THE SHOWERS PASS, WINDS WILL SHIFT FROM SOUTHERLY
TO THE NORTHWEST BY MIDDAY FRIDAY. WE DO NOT EXPECT THUNDERSTORMS
TO IMPACT THE FIRE TOMORROW AFTERNOON.
REST OF TONIGHT
SKY/WEATHER.........INCREASING CLOUDS. ISOLATED SHOWERS AND
THUNDERSTORMS AFTER 2AM. ERRATIC WIND GUSTS
TO 30 MPH POSSIBLE NEAR STORMS.
CWR.................LESS THAN 5 PERCENT.
CHANCE OF LIGHTNING.15 PERCENT.
MIN TEMPERATURE.....61-65.
MAX HUMIDITY........63-67 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTHEAST 5-10 MPH.
RIDGETOP...........SOUTHEAST 6-12 MPH GUSTING TO 18 MPH.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 9 MPH.
FRIDAY
SKY/WEATHER.........PARTLY SUNNY WITH ISOLATED SHOWERS AND
THUNDERSTORMS THROUGH 10AM, THEN MOSTLY
SUNNY. ERRATIC WIND GUSTS TO 30 MPH POSSIBLE
NEAR EARLY MORNING STORMS.
CWR.................LESS THAN 5 PERCENT.
CHANCE OF LIGHTNING.15 PERCENT.
MAX TEMPERATURE.....96-100.
MIN HUMIDITY........17-21 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTH 5-10 MPH SHIFTING TO THE NORTHWEST BY
NOON. AFTERNOON GUSTS TO 15 MPH.
RIDGETOP...........SOUTH 5-10 MPH SHIFTING TO THE NORTHWEST 6-12 MPH
BY NOON. AFTERNOON GUSTS TO 18 MPH.
MIXING HEIGHT.......INCREASING TO 12500 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....NORTHWEST 14 MPH.
FORECASTER...LESTER
REQUESTED BY...INCIDENT COMMANDER
TYPE OF REQUEST...WILDFIRE
.TAG 2618721.0/BYZ
.DELDT 07/31/26
.FORMATTERVERSION 2.0.0
.EMAIL MTBDC@FIRENET.GOV
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