432
FNUS75 KBYZ 101531
FWSBYZ
SPOT FORECAST FOR CRATER RIDGE...USFS
NATIONAL WEATHER SERVICE BILLINGS MT
931 AM MDT SUN OCT 10 2021
FORECAST IS BASED ON FORECAST START TIME OF 1000 MDT ON OCTOBER 10.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
PLEASE CONTACT OUR OFFICE IF YOU HAVE QUESTIONS
OR CONCERNS WITH THIS FORECAST.
..WINTER STORM WATCH MONDAY THROUGH WEDNESDAY
DISCUSSION
TODAY IS A BREAK BETWEEN WEATHER SYSTEMS WITH A POWERFUL FALL
STORM IMPACTING THE BIGHORNS EARLY THIS WEEK. EXPECT INCREASING
CLOUDS THIS AFTERNOON WHICH WILL CAP WARMING IN THE MID 40S AND
HUMIDITY MINIMUMS AROUND 50 PERCENT. SCATTERED SHOWERS ARRIVE
TONIGHT CHANGING TO SNOW AND BECOMING STEADY SNOW MONDAY. SNOW
WILL BE HEAVY AT TIMES MONDAY NIGHT INTO TUESDAY. SNOWFALL AMOUNTS
OF 8 TO 14 INCHES OF SNOW SHOULD BE EXPECTED WITH VERY STRONG
WINDS CREATING WHITEOUT CONDITIONS MONDAY NIGHT THROUGH WEDNESDAY.
MOISTURE AMOUNTS WILL BE CLOSE TO AN 1.5 INCHES. THE GUIDANCE
DOES INDICATE SOME AMOUNTS CLOSER TO 24 INCHES OF SNOW IS POSSIBLE.
DRYING AND WARMING IS EXPECTED THURSDAY INTO THE WEEKEND.
REST OF TODAY
SKY/WEATHER.........INCREASING CLOUDS.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....46-50.
MIN HUMIDITY........48-52 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......WEST WINDS 9 TO 14 MPH.
RIDGETOP...........NORTHWEST AROUND 25 MPH.
MIXING HEIGHT.......3200 FT AGL.
TRANSPORT WINDS.....WEST AROUND 12 MPH.
HAINES INDEX........2.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS
AND SNOW SHOWERS IN THE EVENING, THEN SNOW
SHOWERS AND RAIN SHOWERS OVERNIGHT. PATCHY FOG
OVERNIGHT.
CWR.................60 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MIN TEMPERATURE.....25-29.
MAX HUMIDITY........91-95 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......WEST WINDS 7 TO 8 MPH SHIFTING TO THE NORTHEAST
7 TO 10 MPH OVERNIGHT.
RIDGETOP...........WEST AROUND 5 MPH.
MIXING HEIGHT.......800 FT AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 12 MPH.
COLUMBUS DAY
SKY/WEATHER.........SNOW.
CWR.................90 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....26-30.
MIN HUMIDITY........80-85 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......NORTHEAST WINDS 9 TO 10 MPH.
RIDGETOP...........SOUTH AROUND 25 MPH.
MIXING HEIGHT.......1600 FT AGL.
TRANSPORT WINDS.....NORTHEAST AROUND 13 MPH.
HAINES INDEX........2.
FORECAST DAYS 3 THROUGH 5
TUESDAY
SNOW. PATCHY BLOWING SNOW. LOWS AROUND 20. HIGHS IN THE
LOWER 20S. NORTHEAST WINDS AROUND 15 MPH.
WEDNESDAY
MOSTLY CLOUDY WITH SNOW SHOWERS. LOWS AROUND 20. HIGHS IN
THE MID 20S. NORTHWEST WINDS AROUND 12 MPH.
THURSDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS. LOWS IN THE LOWER
20S. HIGHS IN THE UPPER 20S. WEST WINDS AROUND 11 MPH.
FORECASTER...BORSUM
REQUESTED BY...TRAVIS BRATEN
TYPE OF REQUEST...WILDFIRE
.TAG 2118262.26/BYZ
.DELDT 10/10/21
.FORMATTERVERSION 2.0.0
.EMAIL PBLAIR@BLM.GOV,JUSTIN.HUMRICHOUSE@USDA.GOV
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