617
FNUS75 KBYZ 250237
FWSBYZ
SPOT FORECAST FOR COAL BANK CREEK...USWFS
NATIONAL WEATHER SERVICE BILLINGS MT
837 PM MDT WED JUN 24 2026
FORECAST IS BASED ON FORECAST START TIME OF 2100 MDT ON JUNE 24.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
PLEASE CONTACT OUR OFFICE IF YOU HAVE QUESTIONS
OR CONCERNS WITH THIS FORECAST.
DISCUSSION
THERE IS A LOW CHANCE (10%) FOR AN ISOLATED SHOWER TO MOVE OVER THE
SITE TONIGHT THROUGH 8 AM MDT. THEN, THE CHANCE FOR SHOWERS AND
THUNDERSTORMS INCREASES INTO THE AFTERNOON. CURRENTLY, THE MOST
LIKELY TIMEFRAME FOR STRONG TO SEVERE THUNDERSTORMS TO MOVE THROUGH
IS 2 PM TO 8 PM MDT THURSDAY. THE MAIN THREAT WITH THESE STORMS IS
QUARTER SIZE HAIL AND GUSTY AND ERRATIC WINDS UP TO 65 MPH. WINDS
TONIGHT WILL BE MOSTLY LIGHT AND VARY FROM NORTHEAST TO SOUTHEAST
AT TIMES. WINDS WILL INCREASE OUT OF THE SOUTHEAST THURSDAY, WITH
GUSTS TO AROUND 22 MPH LATE MORNING THROUGH AFTERNOON.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.LESS THAN 5 PERCENT.
MIN TEMPERATURE.....48-52.
MAX HUMIDITY........77-81 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......EAST WINDS 4 TO 8 MPH.
RIDGETOP...........EAST 5 TO 15 MPH.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....EAST 10 TO 15 MPH.
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE MORNING,
THEN RAIN SHOWERS AND CHANCE OF THUNDERSTORMS
IN THE AFTERNOON.
CWR.................60 PERCENT.
CHANCE OF LIGHTNING.40 PERCENT.
MAX TEMPERATURE.....69-73.
MIN HUMIDITY........53-57 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTHEAST WINDS 6 TO 12 MPH WITH GUSTS TO
AROUND 22 MPH. GUSTY AND ERRATIC WINDS EXPECTED
NEAR THUNDERSTORMS.
RIDGETOP...........SOUTHEAST 10 TO 20 MPH.
MIXING HEIGHT.......INCREASING TO 4400 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHEAST 10 TO 20 MPH.
THURSDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND CHANCE
OF THUNDERSTORMS IN THE EVENING.
CWR.................40 PERCENT.
CHANCE OF LIGHTNING.30 PERCENT.
MIN TEMPERATURE.....49-53.
MAX HUMIDITY........92-96 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTHEAST WINDS 5 TO 8 MPH IN THE EVENING
BECOMING LIGHT. GUSTY AND ERRATIC WINDS
EXPECTED NEAR THUNDERSTORMS IN THE EVENING.
RIDGETOP...........SOUTH 5 TO 10 MPH.
MIXING HEIGHT.......DECREASING TO 400 FT AGL OVERNIGHT.
TRANSPORT WINDS.....SOUTH 5 TO 10 MPH.
FORECASTER...ARCHER
REQUESTED BY...HANNAH
TYPE OF REQUEST...WILDFIRE
.TAG 2616170.0/BYZ
.DELDT 06/24/26
.FORMATTERVERSION 2.0.0
.EMAIL MTMCC@FIRENET.GOV
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page