168
FNUS75 KBYZ 151428
FWSBYZ
SPOT FORECAST FOR GREY...DNRC
NATIONAL WEATHER SERVICE BILLINGS MT
828 AM MDT FRI MAY 15 2026
FORECAST IS BASED ON FORECAST START TIME OF 0900 MDT ON MAY 15.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
PLEASE CONTACT OUR OFFICE IF YOU HAVE QUESTIONS
OR CONCERNS WITH THIS FORECAST.
DISCUSSION
WARM, BREEZY, AND DRY CONDITIONS WILL PREVAIL AT THE SITE TODAY.
EXPECT WEST WINDS GUSTING 30 TO 40 MPH THROUGH MID-AFTERNOON,
ALONG WITH MINIMUM RH VALUES IN THE LOW TO MID TEENS PERCENT.
EXPECT STRONG MIXING TODAY AS WELL. WINDS WILL QUICKLY DIMINISH
LATE IN THE AFTERNOON/ EARLY IN THE EVENING, BECOMING LIGHT
OVERNIGHT. RELATIVE HUMIDITY RECOVERIES WILL BE MODERATE TONIGHT.
THE CHANCE FOR PRECIPITATION THROUGH TONIGHT IS VERY LOW. MATOS
REST OF TODAY
SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.4 PERCENT.
MAX TEMPERATURE.....65-69.
MIN HUMIDITY........13-18 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......WEST WINDS 18 TO 23 MPH WITH GUSTS AROUND 30 TO 40
MPH.
RIDGETOP...........WEST AROUND 20 MPH.
MIXING HEIGHT.......INCREASING TO 10100 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....WEST AROUND 31 MPH.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.2 PERCENT.
MIN TEMPERATURE.....40-44.
MAX HUMIDITY........47-52 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......WEST WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 25
MPH IN THE EARLY EVENING BECOMING LIGHT OVERNIGHT.
RIDGETOP...........NORTHWEST AROUND 15 MPH DECREASING TO AROUND 5 MPH.
MIXING HEIGHT.......DECREASING TO 500 FT AGL OVERNIGHT.
TRANSPORT WINDS.....NORTHEAST 5 TO 10 MPH.
FORECASTER...MATOS
REQUESTED BY...DUSTIN SCHAKA
TYPE OF REQUEST...WILDFIRE
.TAG 2613719.0/BYZ
.DELDT 05/15/26
.FORMATTERVERSION 2.0.0
.EMAIL MTBDC@FIRENET.GOV
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