342
FNUS75 KBYZ 151144
FWSBYZ
SPOT FORECAST FOR EXPERIMENTAL GRASS PLOTS RX...USDA
NATIONAL WEATHER SERVICE BILLINGS MT
544 AM MDT WED APR 15 2026
FORECAST IS BASED ON IGNITION TIME OF 1000 MDT ON APRIL 15.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
PLEASE CONTACT OUR OFFICE IF YOU HAVE QUESTIONS
OR CONCERNS WITH THIS FORECAST.
DISCUSSION
WARM AND DRY CONDITIONS WILL PREVAIL AT THE BURN SITE TODAY WITH
STRONG MIXING AND GENERALLY LIGHT SOUTHWEST TO WEST WINDS. AN
APPROACHING WEATHER SYSTEM WILL BRING A SLIGHT CHANCE FOR RAIN
SHOWERS THIS EVENING, WITH A COLD FRONT PASSAGE AROUND 0300 MDT
TONIGHT. THE COLD FRONT WILL BRING A WIND SHIFT TO THE NORTHWEST,
WITH BREEZY NORTHWEST WINDS CONTINUING ON THURSDAY. COOLER
CONDITIONS AND RAIN/SNOW SHOWER CHANCES CAN BE EXPECTED THURSDAY,
THOUGH THE CWR IS LOW.
TODAY
SKY/WEATHER.........PARTLY CLOUDY, WITH INCREASING CLOUDS IN THE
AFTERNOON.
CWR.................0 PERCENT.
MAX TEMPERATURE.....68-72.
MIN HUMIDITY........21-26 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTHWEST TO WEST WINDS 6 TO 12 MPH WITH GUSTS
TO 15 MPH IN THE AFTERNOON.
MIXING HEIGHT.......INCREASING TO 10000 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH.
TIME (MDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........28 33 38 31 35 39 54 65
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............55 58 61 64 67 68 69 69
RH..............43 39 34 29 27 25 23 24
20 FT WIND DIR..SW SW W W SW SW SW SW
20 FT WIND SPD..5 6 6 6 8 8 8 8
20 FT WIND GUST.7 8 10 10 13 15 15 15
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY.
SLIGHT CHANCE OF RAIN SHOWERS IN THE EVENING.
CWR.................LESS THAN 10 PERCENT.
MIN TEMPERATURE.....39-43.
MAX HUMIDITY........74-78 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTHWEST TO WEST WINDS 5 TO 12 MPH, BECOMING
NORTHWEST 10 TO 20 MPH WITH A COLD FRONT PASSAGE
AROUND 0300 MDT.
MIXING HEIGHT.......DECREASING TO 400 FT AGL OVERNIGHT.
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH BECOMING NORTHWEST
10 TO 20 MPH OVERNIGHT.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........68 77 65 66 58 52 38 38 36 31 44 47
WEATHER COV.....SCH SCH SCH SCH SCH SCH SCH
WEATHER TYPE....RW RW RW RW RW RW RW
TSTM COV........
TEMP............70 67 64 60 58 56 54 52 50 47 45 43
RH..............25 30 36 39 43 45 51 55 61 68 72 73
20 FT WIND DIR..SW SW S S SW W W W W NW NW W
20 FT WIND SPD..8 7 6 6 5 5 5 6 8 10 12 13
20 FT WIND GUST.13 10 10 8 7 7 8 10 12 14 16 18
THURSDAY
SKY/WEATHER.........PARTLY SUNNY. CHANCE OF RAIN AND SNOW SHOWERS.
CWR.................15 PERCENT.
MAX TEMPERATURE.....47-51.
MIN HUMIDITY........46-51 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......NORTHWEST WINDS 10 TO 16 MPH WITH GUSTS
25 TO 30 MPH.
MIXING HEIGHT.......INCREASING TO 4500 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....NORTHWEST 20 TO 30 MPH.
TIME (MDT) 6 AM 9 AM NOON 3 PM
SKY (%).........57 56 63 69
WEATHER COV.....CHANCE CHANCE CHANCE CHANCE
WEATHER TYPE....RNSN RNSN RNSN RNSN
TSTM COV........
TEMP............43 44 46 47
RH..............73 58 49 49
20 FT WIND......NW 13G18 NW 16G25 NW 15G27 NW 16G27
FORECASTER...PALMQUIST
REQUESTED BY...DEVAN MCGRANAHAN
TYPE OF REQUEST...PRESCRIBED
.TAG 2610349.0/BYZ
.DELDT 04/15/26
.FORMATTERVERSION 2.0.0
.EMAIL DEVAN.MCGRANAHAN@USDA.GOV,DEVAN.MCGRANAHAN@GMAIL.COM
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