599
FNUS75 KBYZ 051211
FWSBYZ
SPOT FORECAST FOR EAST SIDE FIRE...CARBON COUNTY MT
NATIONAL WEATHER SERVICE BILLINGS MT
611 AM MDT TUE MAY 5 2026
FORECAST IS BASED ON FORECAST START TIME OF 0700 MDT ON MAY 05.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
PLEASE CONTACT OUR OFFICE IF YOU HAVE QUESTIONS OR CONCERNS WITH
THIS FORECAST.
DISCUSSION
AN UNSTABLE NORTHERLY FLOW WILL BRING BRISK NORTH WINDS (GUSTS TO
35 MPH) AND FREQUENT SNOW SHOWERS TODAY, ESPECIALLY DURING THE
AFTERNOON AND EVENING. LOOK FOR 2-4" OF ACCUMULATION, REDUCED
VISIBILITY AND OBSCURED MOUNTAIN TOPS. SNOW SHOWERS WILL TAPER OFF
LATE TONIGHT AND BE FOLLOWED BY A DRY AND WARMER WEDNESDAY. THE
NEXT WEATHER SYSTEM IS EXPECTED TO BRING SHOWERS AND A POSSIBLE
THUNDERSTORM THURSDAY AND THURSDAY NIGHT, WITH MUCH HIGHER SNOW
LEVELS (ABOVE 8500 FEET).
TODAY
SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED SNOW SHOWERS IN THE
MORNING, THEN SNOW SHOWERS BECOMING MORE
WIDESPREAD AND INTENSE IN THE AFTERNOON.
CWR.................50 PERCENT.
CHANCE OF LIGHTNING.5 PERCENT.
MAX TEMPERATURE.....30-34.
MIN HUMIDITY........50-54 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......NORTH 10-20 MPH GUSTING TO 30 MPH.
RIDGETOP...........NORTH 20-30 MPH GUSTING TO 35 MPH.
MIXING HEIGHT.......INCREASING TO 5500 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....NORTH 25 MPH.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY WITH SNOW SHOWERS LIKELY IN THE
EVENING, THEN BECOMING PARTLY CLOUDY OVERNIGHT.
CWR.................35 PERCENT.
CHANCE OF LIGHTNING.5 PERCENT.
MIN TEMPERATURE.....16-20.
MAX HUMIDITY........80-84 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......NORTH 10-20 MPH GUSTING TO 25 IN THE EVENING,
BECOMING DOWNSLOPE/DOWNVALLEY 4-8 MPH
OVERNIGHT.
RIDGETOP...........NORTH 10-20 MPH BECOMING NORTHWEST.
MIXING HEIGHT.......DECREASING TO 100 FT AGL OVERNIGHT.
TRANSPORT WINDS.....NORTH 18 MPH BECOMING WEST 6 MPH OVERNIGHT.
WEDNESDAY
SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....43-47.
MIN HUMIDITY........24-28 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......DOWNSLOPE/DOWNVALLEY EARLY, BECOMING
NORTHWEST TO NORTH 6-12 MPH IN THE AFTERNOON.
RIDGETOP...........NORTHWEST AROUND 15 MPH.
MIXING HEIGHT.......INCREASING TO 4000 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....NORTHWEST 10 MPH.
FORECASTER...LESTER
REQUESTED BY...BILLINGS DISPATCH
TYPE OF REQUEST...WILDFIRE
.TAG 2611877.7/BYZ
.DELDT 05/05/26
.FORMATTERVERSION 2.0.0
.EMAIL MTBDC@FIRENET.GOV,DOUGLAS.ZIMMER@USDA.GOV,CALLEN@CARBONMT.GOV
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page