742
FNUS75 KBOI 151250
FWSBOI
SPOT FORECAST FOR FY26 BOSH PILE RX...BLM
NATIONAL WEATHER SERVICE BOISE ID
550 AM MST MON DEC 15 2025
FORECAST IS BASED ON IGNITION TIME OF 0600 MST ON DECEMBER 15.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
PLEASE CONTACT OUR OFFICE AT (208)334-9060, IF YOU HAVE QUESTIONS
OR CONCERNS WITH THIS FORECAST.
..STABLE AND WARM TODAY WITH RAIN THIS EVENING
...RAIN AND BREEZY WINDS TUESDAY MORNING WITH STRONGER COLD FRONT
ON WEDNESDAY...
DISCUSSION
A SURFACE INVERSION WILL CREATE LIMITED VENTILATION IN VALLEYS
TODAY, WITH DRY AND WARM CONDITIONS ON MIDSLOPES AND RIDGETOPS. A
WEAK FRONTAL PASSAGE THIS AFTERNOON WILL BRING LIGHT RAIN AND ELEVATED
SOUTHERLY WINDS THROUGH THE OVERNIGHT PERIOD. ACCUMULATIONS WILL
BE LIMITED WITH LESS THAN 0.05 INCHES OF RAIN ANTICIPATED THROUGH
TUESDAY. A MUCH STRONGER COLD FRONT WILL MOVE THROUGH THE AREA
WEDNESDAY MORNING BRINGING STRONG WINDS UP TO 40 MPH WITH BRIEF
HEAVY RAIN AND SNOW BY THE EVENING.
TODAY
SKY/WEATHER.........MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN
AFTER 1400 MST.
MAX TEMPERATURE.....52 TO 57.
MIN HUMIDITY........29 TO 34 PERCENT.
CWR.................10 PERCENT.
WIND - 20 FOOT......SOUTH AROUND 6 MPH.
MIXING HEIGHT.......1500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH.
VENTILATION INDEX...225 FAIR.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF RAIN IN THE EVENING,
TAPERING OFF OVERNIGHT. CHANCE OF RAIN 30 PERCENT.
MIN TEMPERATURE.....37 TO 42.
MAX HUMIDITY........74 TO 79 PERCENT.
CWR.................10 PERCENT.
WIND - 20 FOOT......SOUTH 5 TO 8 MPH WITH GUSTS TO AROUND 16 MPH.
MIXING HEIGHT.......300 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH.
VENTILATION INDEX...30 POOR.
TUESDAY
SKY/WEATHER.........CLOUDY IN THE MORNING THEN BECOMING PARTLY
SUNNY IN THE AFTERNOON. A 30 PERCENT CHANCE OF
RAIN.
MAX TEMPERATURE.....52 TO 57.
MIN HUMIDITY........47 TO 52 PERCENT.
CWR.................10 PERCENT.
WIND - 20 FOOT......SOUTHWEST 6 TO 12 MPH. GUSTS UP TO 20 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......3000 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH.
VENTILATION INDEX...450 FAIR.
FORECASTER...ADAMS
REQUESTED BY...DAWSON FOSTER
TYPE OF REQUEST...PRESCRIBED
.TAG 2527632.0/BOI
.DELDT 12/15/25
.FORMATTERVERSION 2.0.0
.EMAIL DAWSONFOSTER@BLM.GOV
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page