276
FNUS75 KBYZ 081916
FWSBYZ
SPOT FORECAST FOR UNIT 51 N BRIDGERS...USFS
NATIONAL WEATHER SERVICE BILLINGS MT
116 PM MDT FRI MAY 8 2026
FORECAST IS BASED ON IGNITION TIME OF 1300 MDT ON MAY 12.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
PLEASE CONTACT OUR OFFICE IF YOU HAVE QUESTIONS
OR CONCERNS WITH THIS FORECAST.
DISCUSSION
RIDGE OF HIGH PRESSURE WILL BRING SUNNY DRY AND WARM CONDITIONS
TO THE BURN AREA NEXT WEEK. AFTERNOON MIXING WINDS WILL BE GUSTY
DURING THE AFTERNOON, DIMINISHING DURING THE EVENING/OVERNIGHT
HOURS. AFTERNOON RH VALUES WILL DROP INTO THE UPPER TEENS IN THE
AFTERNOON, WITH MARGINAL TO POOR RECOVERIES AT NIGHT. CHAMBERS
TUESDAY
SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....72-76.
MIN HUMIDITY........16-20 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......WEST WINDS UP TO 8 MPH WITH GUSTS TO AROUND 22
MPH.
RIDGETOP...........WEST AROUND 12 MPH.
MIXING HEIGHT.......6800 FEET AGL.
TRANSPORT WINDS.....WEST AROUND 16 MPH.
TIME (MDT) 1PM 2PM 3PM 4PM 5PM
SKY (%).........13 13 13 13 13
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF LTNG (%).0 0 0 0 0
TEMP............70 71 72 73 74
RH..............23 21 19 19 18
20 FT WIND DIR..SW SW W W W
20 FT WIND SPD..5 5 6 6 6
20 FT WIND GUST.16 16 18 18 18
TUESDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MIN TEMPERATURE.....48-52.
MAX HUMIDITY........43-47 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......WEST WINDS UP TO 5 MPH WITH GUSTS TO AROUND 18
MPH EARLY IN THE EVENING BECOMING LIGHT AND
VARIABLE.
RIDGETOP...........WEST AROUND 8 MPH.
MIXING HEIGHT.......400 FEET AGL.
TRANSPORT WINDS.....WEST AROUND 10 MPH.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........39 39 39 39 39 39 24 24 24 24 24 24
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF LTNG (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............73 70 67 63 61 59 57 55 54 53 52 51
RH..............20 23 27 32 35 37 38 41 43 45 45 45
20 FT WIND DIR..W W W E E E E E E SE SE SE
20 FT WIND SPD..5 5 5 3 3 3 5 5 5 4 4 4
20 FT WIND GUST.18 18 18 12 10 7 8 6 8 6 7 7
WEDNESDAY
SKY/WEATHER.........MOSTLY SUNNY.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....71-75.
MIN HUMIDITY........19-23 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS BECOMING WEST 8 TO 16 MPH WITH GUSTS
TO AROUND 31 MPH IN THE AFTERNOON.
RIDGETOP...........WEST AROUND 18 MPH.
MIXING HEIGHT.......7600 FEET AGL.
TRANSPORT WINDS.....WEST AROUND 25 MPH.
TIME (MDT) 6 AM 9 AM NOON 3 PM
SKY (%).........38 38 28 28
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE
TSTM COV........
CHC OF LTNG (%).0 0 0 0
TEMP............52 65 71 73
RH..............43 30 24 21
20 FT WIND......S 4G12 SW 4G14 W 14G29 W 16G31
FORECASTER...CHAMBERS
REQUESTED BY...JAMES RAY
TYPE OF REQUEST...PRESCRIBED
.TAG 2613173.0/BYZ
.DELDT 05/08/26
.FORMATTERVERSION 2.0.0
.EMAIL JAMES.M.RAY@USDA.GOV
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