906
FNUS75 KBYZ 180949
FWSBYZ
SPOT FORECAST FOR NORTH BRIDGERS HANDPILES...USFS
NATIONAL WEATHER SERVICE BILLINGS MT
249 AM MST TUE NOV 18 2025
FORECAST IS BASED ON IGNITION TIME OF 0800 MST ON NOVEMBER 18.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
PLEASE CONTACT OUR OFFICE IF YOU HAVE QUESTIONS
OR CONCERNS WITH THIS FORECAST.
DISCUSSION
LOOK FOR DRY CONDITIONS TODAY WITH SOUTHWEST WINDS PREVAILING.
SOME GUSTS COULD GET INTO THE 10-15 MPH RANGE DURING THE
AFTERNOON. TONIGHT, A FEW SNOW SHOWERS ARE POSSIBLE, THEN
INCREASING CHANCE LATE INTO WEDNESDAY. WINDS SHOULD TURN MORE TO
THE WEST THAN SOUTHWEST WEDNESDAY, BUT REMAIN UNDER 15 MPH. CHANCE OF
WETTING PRECIPITATION IS NEAR 15% WEDNESDAY. RH READINGS WILL REMAIN
SEASONALLY ELEVATED THROUGH THE FORECAST PERIOD. COOLER TEMPS EXPECTED
WEDNESDAY AS WELL. BT
TODAY...
SKY/WEATHER.........MOSTLY SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....41-45.
MIN HUMIDITY........54-58 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTHWEST WINDS UP TO 6 MPH EARLY IN THE
MORNING BECOMING LIGHT.
RIDGETOP...........SOUTHWEST AROUND 15 MPH.
MIXING HEIGHT.......0 FT AGL EARLY IN THE MORNING INCREASING TO
2600 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....WEST 6 TO 14 MPH.
SMOKE DISPERSAL.....POOR (0 KNOT-FT EARLY IN THE MORNING INCREASING
TO 30700 KNOT-FT IN THE AFTERNOON).
TIME (MST) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........47 43 49 47 45 54 53 44 55 52
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............32 34 36 39 40 41 43 41 41 39
RH..............90 84 76 68 65 60 57 57 59 66
20 FT WIND DIR..SW SW SW SW SW SW W W W SW
20 FT WIND SPD..5 5 5 5 6 6 6 5 5 4
20 FT WIND GUST.7 8 10 10 11 12 12 11 10 7
SDSP KT-FT/1000.0 0 5 12 20 25 31 23 6 0
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS LATE.
CWR.................4 PERCENT.
MIN TEMPERATURE.....28-32.
MAX HUMIDITY........84-92 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS BECOMING SOUTHWEST UP TO 8 MPH.
RIDGETOP...........WEST AROUND 14 MPH.
MIXING HEIGHT.......0 FT AGL.
TRANSPORT WINDS.....WEST 6 TO 10 MPH.
SMOKE DISPERSAL.....POOR (0 KNOT-FT).
TIME (MST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........60 69 66 65 71 75 62 59 54 55 65 69
WEATHER COV..... CHC
WEATHER TYPE.... SW
TSTM COV........
TEMP............37 36 36 34 34 34 34 33 33 32 32 32
RH..............69 71 73 73 75 74 75 78 81 80 83 86
20 FT WIND DIR..SW SW SW SW SW W SW SW W SW SW W
20 FT WIND SPD..4 5 5 5 5 5 5 5 5 5 5 5
20 FT WIND GUST.6 7 8 8 8 8 8 7 7 7 6 6
SDSP KT-FT/1000.0 0 0 0 0 0 0 0 0 0 0 0
WEDNESDAY
SKY/WEATHER.........PARTLY SUNNY. CHANCE OF SNOW SHOWERS IN THE
MORNING, THEN SLIGHT CHANCE OF SNOW SHOWERS
LATE IN THE MORNING.
CWR.................14 PERCENT.
MAX TEMPERATURE.....34-38.
MIN HUMIDITY........64-74 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......WEST WINDS UP TO 5-10 MPH.
RIDGETOP...........WEST AROUND 15 MPH.
MIXING HEIGHT.......0 FT AGL EARLY IN THE MORNING INCREASING TO 900
FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....NORTHWEST 5 TO 7 MPH.
SMOKE DISPERSAL.....POOR (0 KNOT-FT EARLY IN THE MORNING INCREASING
TO 5500 KNOT-FT IN THE AFTERNOON).
TIME (MST) 6 AM 9 AM NOON 3 PM
SKY (%).........75 74 75 61
WEATHER COV.....CHANCE CHANCE S CHC S CHC
WEATHER TYPE....SNSHWR SNSHWR SNSHWR SNSHWR
TSTM COV........
TEMP............31 31 34 35
RH..............88 92 77 72
20 FT WIND......SW 5G6 W 5G6 NW 5G8 NW 5G10
SDSP KT-FT/1000.0 0 4 4
FORECASTER...TESAR
REQUESTED BY...NICK NELSON
TYPE OF REQUEST...PRESCRIBED
.TAG 2526162.0/BYZ
.DELDT 11/18/25
.FORMATTERVERSION 2.0.0
.EMAIL NICHOLAS.NELSON@USDA.GOV
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