819
FNUS75 KBYZ 031205
FWSBYZ
SPOT FORECAST FOR EAST SIDE FIRE...CARBON COUNTY MT
NATIONAL WEATHER SERVICE BILLINGS MT
605 AM MDT SUN MAY 3 2026
FORECAST IS BASED ON FORECAST START TIME OF 0700 MDT ON MAY 03.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
PLEASE CONTACT OUR OFFICE IF YOU HAVE QUESTIONS OR CONCERNS WITH
THIS FORECAST.
DISCUSSION
TODAY WILL BE WARM AND DRY WITH TERRAIN DRIVEN WINDS GUSTING TO 20
MPH IN THE AFTERNOON. THERE IS A LOW RISK OF SHOWERS OR WEAK
THUNDERSTORMS IN THE AFTERNOON AND EARLY EVENING, BUT THE GREATER
POTENTIAL WILL BE SOUTH OF THE MT/WY BORDER. WINDS WILL DECREASE
THIS EVENING THEN INCREASE OVERNIGHT AS A CANADIAN COLD FRONT
ARRIVES. EXPECT BRISK NORTH WINDS LATE TONIGHT THROUGH MONDAY
(GUSTS NEAR 30 MPH), WITH RAIN/SNOW SHOWERS DEVELOPING TOMORROW.
SHOWERS WILL LIKELY RESULT IN REDUCED VISIBILITY AND OBSTRUCTED
MOUNTAIN TOPS.
TODAY
SKY/WEATHER.........MOSTLY SUNNY. ISOLATED SHOWERS AND WEAK
THUNDERSTORMS AFTER 1PM. ERRATIC WIND
GUSTS TO 30 MPH NEAR STORMS.
CWR.................5 PERCENT.
CHANCE OF LIGHTNING.10 PERCENT.
MAX TEMPERATURE.....55-59.
MIN HUMIDITY........28-32 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......DOWNSLOPE/DOWNVALLEY 3-6 MPH EARLY, BECOMING
NORTH 6-12 MPH BY 10AM. AFTERNOON GUSTS TO
20 MPH.
RIDGETOP...........NORTHWEST AROUND 15 MPH GUSTING TO 20 MPH.
MIXING HEIGHT.......INCREASING TO 6500 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....NORTHWEST 15 MPH.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SHOWERS ENDING BY SUNSET.
CWR.................LESS THAN 5 PERCENT.
CHANCE OF LIGHTNING.5 PERCENT.
MIN TEMPERATURE.....30-34.
MAX HUMIDITY........69-73 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......NORTH 6-12 MPH WITH GUSTS TO 18 MPH UNTIL SUNSET,
THEN DOWNSLOPE/DOWNVALLEY 4-8 MPH. WINDS SHIFTING
BACK TO NORTH AND GUSTING TO 30 MPH AFTER 2AM.
RIDGETOP...........NORTHWEST 10-20 MPH SHIFTING NORTH OVERNIGHT.
MIXING HEIGHT.......DECREASING TO 500 FT AGL OVERNIGHT.
TRANSPORT WINDS.....NORTHWEST 8 MPH BECOMING NORTH 15 MPH OVERNIGHT.
MONDAY
SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED RAIN AND SNOW SHOWERS
IN THE MORNING, THEN SNOW SHOWERS LIKELY IN THE
AFTERNOON.
CWR.................25 PERCENT.
CHANCE OF LIGHTNING.5 PERCENT.
MAX TEMPERATURE.....38-42.
MIN HUMIDITY........54-58 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......NORTH 10-20 MPH GUSTING TO 25 MPH.
RIDGETOP...........NORTHWEST TO NORTH 15-20 MPH.
MIXING HEIGHT.......INCREASING TO 2000 FT AGL.
TRANSPORT WINDS.....NORTH 18 MPH.
FORECASTER...LESTER
REQUESTED BY...BILLINGS DISPATCH
TYPE OF REQUEST...WILDFIRE
.TAG 2611877.5/BYZ
.DELDT 05/03/26
.FORMATTERVERSION 2.0.0
.EMAIL DOUGLAS.ZIMMER@USDA.GOV,MTBDC@FIRENET.GOV,CALLEN@CARBONMT.GOV
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page