787
FNUS75 KBOI 280113
FWSBOI
SPOT FORECAST FOR SLIVER...USFS
NATIONAL WEATHER SERVICE BOISE ID
713 PM MDT THU AUG 27 2026
FORECAST IS BASED ON FORECAST START TIME OF 1900 MDT ON AUGUST 27.
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.
..COOLER DAYS THROUGH SATURDAY
..SHOWERS LATE FRIDAY NIGHT, DECREASING SATURDAY
DISCUSSION
SOUTHWESTERLY FLOW ALOFT WILL BRING CLOUDS INTO THE FIRE AREA
OVERNIGHT, BUT SHOWERS AND ISOLATED THUNDERSTORMS WILL STAY
EAST OF THE FIRE AREA THROUGH FRIDAY EVENING. LATER FRIDAY
NIGHT SHOWERS WILL OCCUR ON THE FIRE AREA AS A COLD FRONT
COMES IN FROM THE WEST. THE FRONT WILL SHIFT EAST SATURDAY
MORNING AND SHOWERS WILL DECREASE, BUT PARTIAL CLEARING WILL
ALLOW A SLIGHT CHANCE OF THUNDERSTORMS SATURDAY AFTERNOON.
SATURDAY WILL ALSO BE ABOUT 5 DEGREES COOLER THAN FRIDAY.
REST OF TONIGHT
SKY/WEATHER.........PARTLY CLOUDY IN THE EVENING, THEN BECOMING
CLOUDY OVERNIGHT.
MIN TEMPERATURE.....48 TO 53.
MAX HUMIDITY........44 TO 49 PERCENT.
CWR.................0 PERCENT.
WIND - 20 FOOT......WEST 6 TO 12 MPH. GUSTS UP TO 18 MPH IN THE
EVENING.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 5 MPH.
VENTILATION INDEX...20 POOR.
FRIDAY
SKY/WEATHER.........CLOUDY.
MAX TEMPERATURE.....67 TO 73.
MIN HUMIDITY........23 TO 28 PERCENT.
CWR.................0 PERCENT. SS
WIND - 20 FOOT......SOUTH 5 TO 11 MPH WITH GUSTS TO AROUND 16 MPH.
MIXING HEIGHT.......7500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 20 MPH.
VENTILATION INDEX...1500 EXCELLENT.
FRIDAY NIGHT
SKY/WEATHER.........CLOUDY. A 50 PERCENT CHANCE OF RAIN AFTER MIDNIGHT.
MIN TEMPERATURE.....47 TO 52.
MAX HUMIDITY........70 TO 75 PERCENT.
CWR.................20 PERCENT.
WIND - 20 FOOT......SOUTH 6 TO 9 MPH. GUSTS UP TO 14 MPH IN THE
EVENING.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....SOUTH AROUND 5 MPH.
VENTILATION INDEX...25 POOR.
SATURDAY
SKY/WEATHER.........CLOUDY WITH A CHANCE OF RAIN IN THE MORNING,
THEN PARTLY SUNNY WITH A CHANCE OF SHOWERS AND
A SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. CHANCE OF PRECIPITATION 50 PERCENT.
MAX TEMPERATURE.....62 TO 68.
MIN HUMIDITY........36 TO 41 PERCENT.
CWR.................0 PERCENT.
WIND - 20 FOOT......SOUTHWEST 8 TO 14 MPH. GUSTS UP TO 20 MPH IN
THE AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED
NEAR THUNDERSTORMS IN THE AFTERNOON.
MIXING HEIGHT.......9500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 20 MPH.
VENTILATION INDEX...1900 EXCELLENT.
FORECASTER...COLIN
REQUESTED BY...IA DISPATCHER
TYPE OF REQUEST...WILDFIRE
.TAG 2620758.0/BOI
.DELDT 08/27/26
.FORMATTERVERSION 2.0.0
.EMAIL IDPAC@FIRENET.GOV
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