419
FNUS75 KBYZ 182057
FWSBYZ
SPOT FORECAST FOR HORSETHIEF SW PILE RX...USWFS
NATIONAL WEATHER SERVICE BILLINGS MT
157 PM MST WED FEB 18 2026
FORECAST IS BASED ON IGNITION TIME OF 1500 MST ON FEBRUARY 18.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
PLEASE CONTACT OUR OFFICE IF YOU HAVE QUESTIONS
OR CONCERNS WITH THIS FORECAST.
DISCUSSION
A WINTER STORM WILL BRING SNOWFALL TO THE SITE THROUGH THURSDAY
MORNING. ALONG WITH THE SNOW, COLD TEMPERATURES ARE FORECAST
THROUGH THURSDAY NIGHT. THE CURRENT FORECAST HAS 1 TO 3 INCHES OF
SNOWFALL FORECAST, WITH LOCALLY GREATER TOTALS POSSIBLE IN THE
HIGHER HILLS AROUND THE SITE. THE PROBABILITY FOR AT LEAST 2
INCHES OF SNOWFALL IS 50 TO 70 PERCENT. THE PROBABILITY FOR AT
LEAST 4 INCHES OF SNOWFALL IS AROUND 10 PERCENT.
WITH TEMPERATURES BELOW FREEZING INTO FRIDAY, EXPECT SOME
SNOWFALL TO HANG AROUND GOING INTO THE WEEKEND. TEMPERATURES ARE
FORECAST TO CLIMB ABOVE FREEZING AGAIN THOUGH, WITH HIGHS IN THE
30S FRIDAY THROUGH SUNDAY. NO STRONG WIND EVENTS ARE FORECAST
THROUGH THE WEEKEND, THOUGH A POTENTIAL SYSTEM EARLY NEXT WEEK
COULD BRING BACK BREEZY CONDITIONS. MATOS
REST OF TODAY
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS
LATE IN THE AFTERNOON.
CWR.................45 PERCENT.
MAX TEMPERATURE.....15-19.
MIN HUMIDITY........42-47 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......NORTHEAST WINDS 7 TO 12 MPH WITH GUSTS TO
AROUND 22 MPH.
RIDGETOP...........NORTHEAST UP TO 12 MPH WITH GUSTS TO 22 MPH.
MIXING HEIGHT.......INCREASING TO 2600 FT AGL.
TRANSPORT WINDS.....NORTHEAST AROUND 20 MPH.
TIME (MST) 3PM 4PM 5PM
SKY (%).........83 87 90
WEATHER COV..... SCH SCH
WEATHER TYPE.... SW SN
TSTM COV........
TEMP............15 14 12
RH..............45 43 45
20 FT WIND DIR..NE NE NE
20 FT WIND SPD..12 12 12
20 FT WIND GUST.22 21 19
TONIGHT
SKY/WEATHER.........CLOUDY. SNOW.
CWR.................50 PERCENT.
MIN TEMPERATURE.....1 BELOW TO 5 BELOW ZERO.
MAX HUMIDITY........74-78 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......NORTHEAST WINDS UP TO 10 MPH. GUSTS UP TO 19
MPH IN THE EVENING. BECOMING EAST IN THE
MORNING.
RIDGETOP...........NORTHEAST AROUND 10 MPH. GUSTS TO 19 MPH IN THE
EVENING. BECOMING EAST IN THE MORNING.
MIXING HEIGHT.......DECREASING TO 1600 FT AGL OVERNIGHT.
TRANSPORT WINDS.....NORTHEAST AROUND 18 MPH SHIFTING BECOMING 10 MPH
AFTER 3AM.
TIME (MST) 6 PM 9 PM MIDNGT 3 AM
SKY (%).........88 90 92 91
WEATHER COV.....CHANCE DEFNTE DEFNTE S CHC
WEATHER TYPE....SNOW SNOW SNOW SNOW
TSTM COV........
TEMP............7 4 1 0
RH..............49 61 74 77
20 FT WIND......NE 11G18 NE 10G17 NE 7G13 NE 5G10
THURSDAY
SKY/WEATHER.........CLOUDY THEN BECOMING PARTLY SUNNY. SLIGHT
CHANCE OF SNOW IN THE MORNING.
CWR.................5 PERCENT.
MAX TEMPERATURE.....11-15.
MIN HUMIDITY........59-64 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT EAST TO SOUTHEAST WINDS 3-7 MPH.
RIDGETOP...........SOUTH 4 TO 8 MPH.
MIXING HEIGHT.......INCREASING TO 2100 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....NORTHEAST 8 MPH SHIFTING TO THE SOUTH AROUND
5 MPH IN THE AFTERNOON.
TIME (MST) 6 AM 9 AM NOON 3 PM
SKY (%).........98 95 84 68
WEATHER COV.....S CHC CHANCE
WEATHER TYPE....SNOW SNOW NONE NONE
TSTM COV........
TEMP............-2 0 7 12
RH..............76 75 64 61
20 FT WIND......E 4G7 E 3G6 SE 5G8 SE 5G8
FORECASTER...MATOS
REQUESTED BY...GRIFFIN
TYPE OF REQUEST...PRESCRIBED
.TAG 2603077.0/BYZ
.DELDT 02/18/26
.FORMATTERVERSION 2.0.0
.EMAIL DDAY@BLM.GOV,RMGRIFFIN@BLM.GOV
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