135
FNUS75 KBYZ 150223
FWSBYZ
SPOT FORECAST FOR GREY FIRE...MONTANA DNRC
NATIONAL WEATHER SERVICE BILLINGS MT
823 PM MDT THU MAY 14 2026
FORECAST IS BASED ON FORECAST START TIME OF 2000 MDT ON MAY 14.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
PLEASE CONTACT OUR OFFICE IF YOU HAVE QUESTIONS
OR CONCERNS WITH THIS FORECAST.
DISCUSSION
TONIGHT WILL BE MILD AND BREEZY WITH RELATIVE HUMIDITY RECOVERIES
AROUND 50 PERCENT. WHILE BRIEF LULLS IN THE WIND ARE POSSIBLE,
OCCASIONAL WESTERLY GUSTS INTO THE 20S MPH ARE LIKELY TO CONTINUE
THROUGH THE NIGHT. FRIDAY WILL BE ANOTHER WINDY AND MOSTLY DRY DAY
WITH WESTERLY WIND GUSTS AROUND 30 TO 40 MPH AND MINIMUM RELATIVE
HUMIDITY VALUES IN THE TEENS PERCENT. WHILE AN ISOLATED LIGHT
SHOWER CANNOT BE RULED OUT (5 PERCENT CHANCE), THE DRY AIR NEAR
THE SURFACE WILL FAVOR VIRGA OVER PRECIPITATION MAKING IT TO THE
GROUND. ARENDS
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MIN TEMPERATURE.....41-45.
MAX HUMIDITY........46-50 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......WEST 10 TO 15 MPH WITH GUSTS AROUND 25 MPH.
RIDGETOP...........WEST AROUND 10 TO 20 MPH.
MIXING HEIGHT.......DECREASING TO 500 FT AGL OVERNIGHT.
TRANSPORT WINDS.....WEST 10 TO 20 MPH.
FRIDAY
SKY/WEATHER.........MOSTLY SUNNY.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.1 PERCENT.
MAX TEMPERATURE.....68-72.
MIN HUMIDITY........12-16 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......WEST 15 TO 20 MPH WITH GUSTS AROUND 30 TO 40 MPH.
RIDGETOP...........WEST AROUND 15 TO 25 MPH.
MIXING HEIGHT.......INCREASING TO 11000 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....WEST 15 TO 30 MPH.
FORECASTER...ARENDS
REQUESTED BY...DUSTIN SCIACCA
TYPE OF REQUEST...WILDFIRE
.TAG 2613692.0/BYZ
.DELDT 05/14/26
.FORMATTERVERSION 2.0.0
.EMAIL DSCIACCA@MT.GOV,JBROWN8@MT.GOV,MTBDC@FIRENET.GOV
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