220
FNUS75 KBYZ 251520
FWSBYZ
SPOT FORECAST FOR NORTH BRIDGERS UNIT 13 RX...USFS
NATIONAL WEATHER SERVICE BILLINGS MT
920 AM MDT WED MAR 25 2026
FORECAST IS BASED ON IGNITION TIME OF 0000 MDT ON MARCH 26.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
PLEASE CONTACT OUR OFFICE IF YOU HAVE QUESTIONS
OR CONCERNS WITH THIS FORECAST.
...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS
EVENING...
DISCUSSION
COLD FRONT TODAY WILL BRING BREEZY NORTHWEST WINDS TO THE BURN
SITE TONIGHT THROUGH THURSDAY. WHILE COOLER TEMPERATURES WILL MOVE
IN BEHIND THE FRONT, RELATIVE HUMIDITIES ARE NOT EXPECTED TO
REBOUND MUCH WITH MODEST RECOVERIES TONIGHT AND RELATIVELY POOR
RECOVERIES THURSDAY NIGHT. AFTERNOON MINIMUM RELATIVE HUMIDITIES
THURSDAY AND FRIDAY WILL ALSO BE LOW IN THE TEENS TO 20S PERCENT,
DRIEST FRIDAY. WHILE ISOLATED TO SCATTERED SNOW SHOWERS WILL
ACCOMPANY THE COLD FRONTAL PASSAGE TONIGHT INTO THURSDAY MORNING,
SNOW ACCUMULATIONS LOOK TO REMAIN SPOTTY WITH THERE BEING A 50
PERCENT CHANCE OF AN INCH OF SNOW. WARMER AND DRIER CONDITIONS
LOOK TO RETURN FOR THE WEEKEND. ARENDS
MIDNIGHT TO 6AM THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED SNOW SHOWERS.
CWR.................15 PERCENT.
CHANCE OF LIGHTNING.1 PERCENT.
MIN TEMPERATURE.....26-30.
MAX HUMIDITY........62-66 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......NORTHWEST 8 TO 12 MPH WITH GUSTS TO AROUND 25 MPH.
RIDGETOP...........NORTHWEST 15 TO 25 MPH.
MIXING HEIGHT.......DECREASING TO 1000 FT AGL OVERNIGHT.
TRANSPORT WINDS.....NORTHWEST 10 TO 20 MPH.
TIME (MDT) MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........74 83 90 86 86 81
WEATHER COV.....CHC LKY CHC LKY CHC CHC
WEATHER TYPE....SW SW SW SW SW SW
TSTM COV........
CHC OF LTNG (%).1 1 1 0 0 0
TEMP............42 39 35 33 32 30
RH..............54 55 60 62 63 64
20 FT WIND DIR..NW NW NW NW NW NW
20 FT WIND SPD..10 10 10 10 10 10
20 FT WIND GUST.20 20 21 22 22 22
THURSDAY
SKY/WEATHER.........BECOMING SUNNY. CHANCE OF SNOW SHOWERS
IN THE MORNING.
CWR.................10 PERCENT.
CHANCE OF LIGHTNING.1 PERCENT.
MAX TEMPERATURE.....34-38.
MIN HUMIDITY........22-26 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......NORTHWEST 10 TO 15 MPH WITH GUSTS UP TO 35 MPH.
RIDGETOP...........NORTHWEST 20 TO 30 MPH.
MIXING HEIGHT.......INCREASING TO 7400 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....NORTHWEST 15 TO 30 MPH.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........64 64 64 57 57 57 19 19 19 16 16 16
WEATHER COV.....CHC CHC CHC CHC CHC CHC
WEATHER TYPE....SW SW SW SW SW SW
TSTM COV........
CHC OF LTNG (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............29 29 30 30 33 34 35 36 37 38 38 38
RH..............60 61 57 51 45 38 33 29 27 25 24 23
20 FT WIND DIR..NW NW NW NW NW NW NW NW NW NW NW NW
20 FT WIND SPD..9 9 9 11 11 11 13 13 13 13 13 13
20 FT WIND GUST.23 24 25 25 26 27 29 29 31 33 32 31
THURSDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MIN TEMPERATURE.....22-26.
MAX HUMIDITY........42-46 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......NORTHWEST 6 TO 12 MPH WITH GUSTS TO
AROUND 25 MPH IN THE EVENING BECOMING
LIGHT AND VARIABLE OVERNIGHT.
RIDGETOP...........NORTHWEST AROUND 10 TO 20 MPH IN THE EVENING
BECOMING WEST 5 TO 10 MPH OVERNIGHT.
MIXING HEIGHT.......DECREASING TO 100 FT AGL OVERNIGHT.
TRANSPORT WINDS.....NORTHWEST 10 TO 20 MPH IN THE EVENING BECOMING
WEST AROUND 5 MPH OVERNIGHT.
TIME (MDT) 6 PM 9 PM MIDNGT 3 AM
SKY (%).........8 3 5 3
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE
TSTM COV........
CHC OF LTNG (%).0 0 0 0
TEMP............37 30 27 25
RH..............24 33 41 43
20 FT WIND......NW 12G28 NW 6G21 W 4G8 W 2G5
FRIDAY
SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....48-52.
MIN HUMIDITY........14-18 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTHWEST 5 TO 10 MPH WITH GUSTS TO AROUND
20 MPH IN THE AFTERNOON.
RIDGETOP...........SOUTHWEST 10 TO 20 MPH.
MIXING HEIGHT.......INCREASING TO 4200 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST 10 TO 20 MPH.
TIME (MDT) 6 AM 9 AM NOON 3 PM
SKY (%).........5 11 7 31
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE
TSTM COV........
CHC OF LTNG (%).0 0 0 0
TEMP............24 29 42 49
RH..............43 34 22 16
20 FT WIND......SW 2G5 SW 2G8 SW 6G14 SW 8G18
FORECASTER...ARENDS
REQUESTED BY...NICK NELSON
TYPE OF REQUEST...PRESCRIBED
.TAG 2607830.0/BYZ
.DELDT 03/25/26
.FORMATTERVERSION 2.0.0
.EMAIL NICHOLAS.NELSON@USDA.GOV
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