173
FNUS75 KBOI 010926
FWSBOI
SPOT FORECAST FOR SLIVER...USFS
NATIONAL WEATHER SERVICE BOISE ID
326 AM MDT TUE SEP 1 2026
FORECAST IS BASED ON FORECAST START TIME OF 0600 MDT ON SEPTEMBER 01.
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.
..CHANCE FOR THUNDERSTORMS TUESDAY AFTERNOON
..PERIODS OF RAIN AND THUNDERSTORMS THROUGH FRIDAY
DISCUSSION
A WEAK SYSTEM PASSAGE TODAY SHOULD FOR A CHANCE OF SHOWERS AND
THUNDERSTORMS THIS AFTERNOON. THUNDERSTORMS LOOK TO INITIATE
AROUND 2 PM MDT AND COULD AFFECT THE FIRE THROUGH AT LEAST 7 PM.
THUNDERSTORMS COULD PRODUCE GUSTY WINDS AND BRIEF HEAVY RAINFALL.
A BRIEF BREAK IN THE PRECIPITATION THIS EVENING WITH A CHANCE FOR
MORE SHOWERS AND THUNDERSTORMS EARLY WEDNESDAY AFTERNOON. THERE IS
ABOUT A 30 PERCENT CHANCE OF WETTING RAIN. THURSDAY COULD SEE THE
MOST AMOUNT RAIN ON THE FIRE AS THE LOW STALLS JUST WEST OF IDAHO.
RHS SHOULD STEADILY INCREASE WITH TEMPERATURES FALLING BELOW NORMAL.
TODAY
SKY/WEATHER.........MOSTLY SUNNY IN THE MORNING, THEN CLOUDY WITH
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. SOME THUNDERSTORMS MAY PRODUCE
GUSTY WINDS IN THE AFTERNOON. CHANCE OF
PRECIPITATION 70 PERCENT.
MAX TEMPERATURE.....70 TO 76.
MIN HUMIDITY........21 TO 26 PERCENT.
CWR.................20 PERCENT.
WIND - 20 FOOT......SOUTHEAST 4 TO 10 MPH. GUSTS UP TO 16 MPH IN
THE AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED
NEAR THUNDERSTORMS IN THE AFTERNOON.
MIXING HEIGHT.......2500 FT AGL.
TRANSPORT WINDS.....SOUTH AROUND 15 MPH.
VENTILATION INDEX...375 FAIR.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN A CHANCE OF
SHOWERS OVERNIGHT. SOME THUNDERSTORMS MAY
PRODUCE GUSTY WINDS IN THE EVENING. CHANCE OF
PRECIPITATION 70 PERCENT.
MIN TEMPERATURE.....43 TO 48.
MAX HUMIDITY........78 TO 84 PERCENT.
CWR.................10 PERCENT.
WIND - 20 FOOT......EAST 3 TO 6 MPH. GUSTY AND ERRATIC WINDS
EXPECTED NEAR THUNDERSTORMS IN THE EVENING.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....SOUTHEAST AROUND 5 MPH.
VENTILATION INDEX...20 POOR.
WEDNESDAY
SKY/WEATHER.........RAIN SHOWERS AND A SLIGHT CHANCE OF
THUNDERSTORMS IN THE MORNING, THEN A CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
CHANCE OF PRECIPITATION 90 PERCENT.
MAX TEMPERATURE.....54 TO 60.
MIN HUMIDITY........32 TO 37 PERCENT.
CWR.................30 PERCENT.
WIND - 20 FOOT......SOUTHWEST 9 TO 15 MPH. GUSTS UP TO 14 MPH IN
THE MORNING INCREASING TO 20 MPH IN THE
AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED
NEAR THUNDERSTORMS.
MIXING HEIGHT.......6500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 20 MPH.
VENTILATION INDEX...1300 EXCELLENT.
FORECASTER...SMITH
REQUESTED BY...IA DISPATCHER
TYPE OF REQUEST...WILDFIRE
.TAG 2620758.5/BOI
.DELDT 09/01/26
.FORMATTERVERSION 2.0.0
.EMAIL IDPAC@FIRENET.GOV
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