302
FNUS75 KBYZ 261631
FWSBYZ
SPOT FORECAST FOR NORTH BRIDGERS UNIT 13 RX...USFS
NATIONAL WEATHER SERVICE BILLINGS MT
1031 AM MDT THU MAR 26 2026
FORECAST IS BASED ON IGNITION TIME OF 1000 MDT ON MARCH 27.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
PLEASE CONTACT OUR OFFICE IF YOU HAVE QUESTIONS
OR CONCERNS WITH THIS FORECAST.
DISCUSSION
DRY CONDITIONS WILL PREVAIL OVER THE BURN SITE FRIDAY INTO
SATURDAY WITH MINIMUM RELATIVE HUMIDITY VALUES IN THE TEENS BOTH
DAYS. RELATIVE HUMIDITY RECOVERIES WILL ALSO BE POOR FRIDAY NIGHT,
GENERALLY IN THE 30S PERCENT. WITH THESE DRY CONDITIONS,
TEMPERATURES WILL TREND WARMER INTO THE WEEKEND. WINDS WILL ALSO
BE BREEZY OUT OF THE SOUTH AND WEST EACH DAY, LIKELY THE STRONGEST
ON SATURDAY. WHILE NO STRONG WINDS ARE EXPECTED DURING THIS TIME,
THE CHANCE OF SEEING AN OCCASIONAL GUST TO 40 MPH IS 10 PERCENT
ON FRIDAY AND 30 PERCENT ON SATURDAY. THERE IS ALSO THE CHANCE OF
AN OCCASIONAL GUST OF 15 TO 20 MPH OUT OF THE SOUTHWEST FRIDAY
NIGHT AROUND THE BURN SITE, BUT SOUTH TO SOUTHWEST WINDS AROUND 5
TO 8 MPH WILL LIKELY PREVAIL MOST OF THE NIGHT.
FRIDAY
SKY/WEATHER.........MOSTLY SUNNY.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....48-52.
MIN HUMIDITY........13-17 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS BECOMING SOUTH TO SOUTHWEST
5 TO 10 MPH WITH GUSTS TO AROUND 15 MPH
IN THE AFTERNOON.
RIDGETOP...........SOUTHWEST AROUND 10 TO 15 MPH.
MIXING HEIGHT.......INCREASING TO 4100 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST 5 TO 15 MPH.
TIME (MDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........10 10 10 10 10 29 29 29
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF LTNG (%).0 0 0 0 0 0 0 0
TEMP............32 37 41 45 47 48 50 50
RH..............30 25 19 17 15 15 14 14
20 FT WIND DIR..SE SE S S S SW SW SW
20 FT WIND SPD..2 2 5 5 5 6 6 6
20 FT WIND GUST.10 10 12 14 14 15 15 15
FRIDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MIN TEMPERATURE.....34-38.
MAX HUMIDITY........33-37 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTH TO SOUTHWEST AROUND 5 TO 8 MPH.
RIDGETOP...........SOUTHWEST 10 TO 20 MPH.
MIXING HEIGHT.......DECREASING TO 100 FT AGL OVERNIGHT.
TRANSPORT WINDS.....SOUTHWEST 5 TO 15 MPH.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........32 32 32 39 39 39 35 35 35 25 25 25
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF LTNG (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............50 48 45 42 41 40 39 38 37 37 36 35
RH..............16 20 26 32 33 36 36 35 34 34 32 32
20 FT WIND DIR..S S S S S S SW SW SW SW SW SW
20 FT WIND SPD..4 4 4 4 4 4 4 4 4 3 3 3
20 FT WIND GUST.14 12 10 9 8 8 8 8 8 8 8 8
SATURDAY
SKY/WEATHER.........MOSTLY SUNNY.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....57-61.
MIN HUMIDITY........12-16 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTHWEST TO WEST 6 TO 10 MPH WITH GUSTS TO
AROUND 22 MPH IN THE AFTERNOON.
RIDGETOP...........WEST AROUND 15 TO 20 MPH.
MIXING HEIGHT.......INCREASING TO 5300 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....WEST 10 TO 20 MPH.
TIME (MDT) 6 AM 9 AM NOON 3 PM
SKY (%).........35 44 37 56
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE
TSTM COV........
CHC OF LTNG (%).0 0 0 0
TEMP............36 41 54 58
RH..............31 28 18 14
20 FT WIND......S 3G11 SW 3G11 W 5G14 W 7G22
FORECASTER...ARENDS
REQUESTED BY...NICK NELSON
TYPE OF REQUEST...PRESCRIBED
.TAG 2608021.0/BYZ
.DELDT 03/26/26
.FORMATTERVERSION 2.0.0
.EMAIL NICHOLAS.NELSON@USDA.GOV
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