988
FNUS75 KBYZ 261131
FWSBYZ
SPOT FORECAST FOR POMPEYS PILLAR RX...BLM
NATIONAL WEATHER SERVICE BILLINGS MT
531 AM MDT WED MAR 26 2025
FORECAST IS BASED ON IGNITION TIME OF 0600 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.
DISCUSSION
RIDGE OF HIGH PRESSURE WILL BE OVER THE BURN SITE TODAY THROUGH
THURSDAY MORNING. COLD FRONT MAY APPROACH THE SITE LATE THURSDAY
AFTERNOON, HOWEVER, CONFIDENCE IS LOW ON FRONTAL TIMING AS IT MAY
APPROACH DURING THE EVENING. IT WILL BE WARM BOTH DAYS WITH HIGHS
IN THE LOW TO MID 70S TODAY AND IN THE MID 70S TO AROUND 80 ON
THURSDAY. MINIMUM RELATIVE HUMIDITIES WILL BE IN THE LOW TO MID
20S TODAY AND THURSDAY. HUMIDITIES WILL RECOVER INTO THE MID 70S
TO AROUND 80 PERCENT TONIGHT. FOR TODAY, LIGHT WINDS WILL BECOME
WEST AROUND 10 MPH IN THE LATE MORNING AND EARLY AFTERNOON, BEFORE
BECOMING LIGHT LATE IN THE AFTERNOON. WINDS WILL BE EAST AROUND 5 MPH
TONIGHT. ON THURSDAY, LIGHT WINDS WILL BECOME SOUTHWEST 6 TO 7 MPH IN
THE AFTERNOON. HOWEVER, IF A COLD FRONT COMES THROUGH IN THE AFTERNOON,
WINDS WILL BECOME WEST 10 TO 15 MPH WITH GUSTS TO 20 MPH. PERCENT
CONFIDENCE OF COLD FRONT COMING THROUGH IN THE AFTERNOON IS 30 PERCENT.
TODAY
SKY/WEATHER.........MOSTLY SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....72-76.
MIN HUMIDITY........22-26 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS BECOMING WEST AROUND 10 MPH IN THE
LATE MORNING AND EARLY AFTERNOON, THEN BECOMING
LIGHT LATE IN THE AFTERNOON.
MIXING HEIGHT.......600 FT AGL EARLY IN THE MORNING INCREASING TO
6800 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....WEST 8 TO 14 MPH.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........58 54 55 34 32 31 34 26 33 18 20 24
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............38 40 41 45 52 58 63 66 70 71 72 73
RH..............84 78 78 67 59 46 37 32 27 25 24 22
20 FT WIND DIR..SW SW SW SW W W W W W W W N
20 FT WIND SPD..2 3 3 4 5 5 5 5 3 2 2 2
20 FT WIND GUST.6 6 7 10 10 10 10 8 7 6 5 5
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CWR.................0 PERCENT.
MIN TEMPERATURE.....39-43.
MAX HUMIDITY........76-80 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......EAST WINDS AROUND 5 MPH.
MIXING HEIGHT.......4600 FT AGL EARLY IN THE EVENING DECREASING TO
600 FT AGL OVERNIGHT.
TRANSPORT WINDS.....NORTH AROUND 8 MPH SHIFTING TO THE SOUTH AROUND
6 MPH EARLY IN THE MORNING.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........20 9 8 18 24 22 11 11 20 18 14 22
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............72 68 64 59 56 53 51 49 48 45 43 43
RH..............26 32 40 45 52 57 63 67 69 73 75 75
20 FT WIND DIR..NE E E E E E E NE NE NE NE NE
20 FT WIND SPD..2 2 2 3 2 2 2 2 2 2 1 1
20 FT WIND GUST.4 5 6 6 6 6 6 6 5 5 4 4
THURSDAY
SKY/WEATHER.........SUNNY THEN BECOMING PARTLY SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....78-82.
MIN HUMIDITY........22-26 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS BECOMING SOUTHWEST 6 TO 7 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......500 FT AGL EARLY IN THE MORNING INCREASING TO
4900 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST 5 TO 14 MPH SHIFTING TO THE WEST 13
TO 15 MPH IN THE AFTERNOON.
TIME (MDT) 6 AM 9 AM NOON 3 PM
SKY (%).........19 25 29 54
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE
TSTM COV........
TEMP............42 48 68 79
RH..............75 62 36 24
20 FT WIND......N 1G2 SW 2G5 SW 6G7 SW 7G10
FORECASTER...ARTHUR
REQUESTED BY...ROBERT GRIFFIN
TYPE OF REQUEST...PRESCRIBED
.TAG 2507761.1/BYZ
.DELDT 03/26/25
.FORMATTERVERSION 2.0.0
.EMAIL DDAY@BLM.GOV,RMGRIFFIN@BLM.GOV,IWALD@BLM.GOV
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