735
FNUS75 KBYZ 021807
FWSBYZ
SPOT FORECAST FOR GENESIS RILES RX...USFS
NATIONAL WEATHER SERVICE BILLINGS MT
1107 AM MST MON FEB 2 2026
FORECAST IS BASED ON IGNITION TIME OF 0600 MST ON FEBRUARY 03.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
PLEASE CONTACT OUR OFFICE IF YOU HAVE QUESTIONS
OR CONCERNS WITH THIS FORECAST.
DISCUSSION
CONDITIONS WILL BE BREEZY AT TIMES, ESPECIALLY TUESDAY WHEN GUSTS
AROUND 30-40 MPH ARE EXPECTED. THERE IS A 25% CHANCE TO SEE A GUST
GREATER THAN 50 MPH TUESDAY. THE BEST CHANCE FOR PRECIPITATION IS
TUESDAY MORNING THROUGH AFTERNOON, WITH 1-3" OF SNOW AS THE MOST
LIKELY OUTCOME BUT A 10% CHANCE OF MORE THAN 4" OF SNOW IF A
HEAVIER BAND SETS UP OVER THE SITE. WEDNESDAY THROUGH THE END OF
THE WEEK WILL SEE CONDITIONS TREND WARMER AND DRIER, WITH
OCCASIONAL BREEZY CONDITIONS OF 25 TO 35 MPH.
TUESDAY
SKY/WEATHER.........MOSTLY CLOUDY. SNOW LIKELY IN THE MORNING.
CHANCE OF SNOW THROUGH THE AFTERNOON.
CWR.................40 PERCENT.
MAX TEMPERATURE.....26-30.
MIN HUMIDITY........56-60 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......NORTHWEST WINDS 5 TO 15 MPH INCREASING TO
15 TO 25 WITH GUSTS UP TO 40 MPH LATE MORNING.
RIDGETOP...........NORTHWEST 30 TO 40 MPH.
MIXING HEIGHT.......INCREASING TO 3400 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....NORTHWEST 15 TO 25 MPH INCREASING TO 25 TO 35
MPH IN THE LATE MORNING.
SMOKE DISPERSAL.....POOR (5900 KNOT-FT) EARLY IN THE MORNING
INCREASING TO GOOD (95300 KNOT-FT) IN THE
AFTERNOON.
TIME (MST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........81 88 94 92 88 84 84 84 76 76 76 75
WEATHER COV.....LKY LKY LKY LKY LKY CHC CHC CHC CHC CHC CHC SCH
WEATHER TYPE....SN SN SN SN SN SN SN SN SN SN SN SN
TEMP............20 21 21 23 24 25 26 27 27 25 24 24
RH..............80 81 83 85 78 70 64 60 62 68 74 78
20 FT WIND DIR..NW NW NW NW NW NW NW NW NW NW NW NW
20 FT WIND SPD..9 11 13 15 17 18 18 18 22 22 18 16
20 FT WIND GUST.14 18 20 24 28 30 30 30 36 36 32 30
SDSP KT-FT/1000.6 11 23 48 67 77 89 95 93 79 60 42
TUESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING MOSTLY CLEAR.
SLIGHT CHANCE OF SNOW IN THE EVENING.
CWR.................LESS THAN 5 PERCENT.
MIN TEMPERATURE.....13-17.
MAX HUMIDITY........84-88 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......NORTHWEST WINDS 8 TO 14 MPH WITH GUSTS UP TO 35
MPH IN THE EVENING BECOMING WEST 5 TO 10 MPH
OVERNIGHT.
RIDGETOP...........NORTHWEST 25 TO 35 MPH.
MIXING HEIGHT.......1500 FT AGL EARLY IN THE EVENING DECREASING TO
300 FT AGL OVERNIGHT.
TRANSPORT WINDS.....NORTHWEST 15 TO 25 MPH DECREASING TO WEST 10 TO
15 MPH OVERNIGHT.
SMOKE DISPERSAL.....POOR (29200 KNOT-FT EARLY IN THE EVENING
DECREASING TO 2400 KNOT-FT LATE IN THE NIGHT).
TIME (MST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........75 75 64 64 64 31 31 31 19 19 19 19
WEATHER COV.....SCH SCH
WEATHER TYPE....SN SN
TEMP............23 22 21 20 19 18 17 17 17 16 16 16
RH..............82 85 86 86 86 86 86 86 84 80 76 72
20 FT WIND DIR..NW NW NW NW NW W W W W W W SW
20 FT WIND SPD..16 14 12 9 9 8 8 8 7 7 7 6
20 FT WIND GUST.30 26 24 21 21 18 18 18 14 14 14 14
SDSP KT-FT/1000.29 19 12 8 6 4 3 3 2 2 3 3
WEDNESDAY
SKY/WEATHER.........MOSTLY SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....37-41.
MIN HUMIDITY........30-34 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTHWEST WINDS 5 TO 10 MPH. GUSTS UP TO 25 MPH.
RIDGETOP...........SOUTHWEST 15 TO 25 MPH.
MIXING HEIGHT.......INCREASING TO 1200 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST 15 TO 25 MPH.
SMOKE DISPERSAL.....POOR (2700 KNOT-FT EARLY IN THE MORNING
INCREASING TO 19300 KNOT-FT IN THE AFTERNOON).
TIME (MST) 6 AM 9 AM NOON 3 PM
SKY (%).........19 35 45 50
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE
TEMP............16 23 36 38
RH..............71 58 34 37
20 FT WIND......SW 6G14 SW 8G20 SW 9G22 W 10G23
SDSP KT-FT/1000.3 5 12 16
FORECASTER...ARCHER
REQUESTED BY...LUKE RIETFORS
TYPE OF REQUEST...PRESCRIBED
.TAG 2601522.0/BYZ
.DELDT 02/02/26
.FORMATTERVERSION 2.0.0
.EMAIL LUKAS.RIETFORS@USDA.GOV
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