867
FNUS75 KBOI 281007
FWSBOI
SPOT FORECAST FOR SLIVER...USFS
NATIONAL WEATHER SERVICE BOISE ID
407 AM MDT FRI AUG 28 2026
FORECAST IS BASED ON FORECAST START TIME OF 0600 MDT ON AUGUST 28.
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.
..ISOLATED SHOWERS AND THUNDERSTORMS THIS EVENING
..CHANCE FOR STRONGER THUNDERSTORMS ON SATURDAY
DISCUSSION
CLOUDY TODAY WITH TEMPERATURES NEAR NORMAL. A CHANCE FOR SHOWERS
AND SLIGHT CHANCE FOR THUNDERSTORMS LATE THIS EVENING INTO EARLY
SATURDAY MORNING WITH PASSAGE OF A WEAK SHORTWAVE. FAR MORE
FAVORABLE CONDITIONS FOR THUNDERSTORMS ON SATURDAY EVENING AS A
COLD FRONT MOVES ACROSS THE AREA. STORMS COULD PRODUCE STRONG
OUTFLOW WINDS UP TO 45 MPH ALONG WITH BRIEF HEAVY RAIN. A BRIEF
BREAK IN THE CONDITIONS ON SUNDAY AND MONDAY WITH THE NEXT LOW
PRESSURE SYSTEM MOVING IN BY THE MIDDLE OF THE WEEK.
TODAY
SKY/WEATHER.........CLOUDY.
MAX TEMPERATURE.....68 TO 73.
MIN HUMIDITY........23 TO 28 PERCENT.
CWR.................0 PERCENT.
WIND - 20 FOOT......SOUTHWEST 7 TO 13 MPH. GUSTS UP TO 18 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......8000 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 20 MPH.
VENTILATION INDEX...1600 EXCELLENT.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS OVERNIGHT. CHANCE OF
PRECIPITATION 30 PERCENT.
MIN TEMPERATURE.....47 TO 52.
MAX HUMIDITY........70 TO 75 PERCENT.
CWR.................10 PERCENT.
WIND - 20 FOOT......SOUTH 6 TO 12 MPH. GUSTY AND ERRATIC WINDS
EXPECTED NEAR THUNDERSTORMS OVERNIGHT.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....SOUTH AROUND 5 MPH.
VENTILATION INDEX...20 POOR.
SATURDAY
SKY/WEATHER.........PARTLY SUNNY. A CHANCE OF RAIN IN THE MORNING,
THEN A CHANCE OF SHOWERS AND A SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. CHANCE OF
PRECIPITATION 40 PERCENT.
MAX TEMPERATURE.....63 TO 68.
MIN HUMIDITY........35 TO 40 PERCENT.
CWR.................10 PERCENT.
WIND - 20 FOOT......SOUTH 8 TO 14 MPH WITH GUSTS TO AROUND 22 MPH.
GUSTY AND ERRATIC WINDS EXPECTED NEAR
THUNDERSTORMS IN THE AFTERNOON.
MIXING HEIGHT.......9000 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 20 MPH.
VENTILATION INDEX...1800 EXCELLENT.
FORECASTER...SMITH
REQUESTED BY...IA DISPATCHER
TYPE OF REQUEST...WILDFIRE
.TAG 2620758.1/BOI
.DELDT 08/28/26
.FORMATTERVERSION 2.0.0
.EMAIL IDPAC@FIRENET.GOV
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