590
FNUS75 KBOI 270116
FWSBOI
SPOT FORECAST FOR GROUSE...SOUTH IDAHO INTERAGENCY DISPATCH
NATIONAL WEATHER SERVICE BOISE ID
716 PM MDT WED AUG 26 2026
FORECAST IS BASED ON FORECAST START TIME OF 1900 MDT ON AUGUST 26.
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.
..SCATTERED LIGHT RAIN SHOWERS THURSDAY MORNING
..NUMEROUS SHOWERS AND MUCH COOLER FRIDAY
DISCUSSION
MOSTLY CLEAR THIS EVENING. INCREASING CLOUDS AFTER MIDNIGHT
LEADING TO A 30 PERCENT CHANCE OF SHOWERS (BUT NOT
THUNDERSTORMS) THURSDAY MORNING. BECOMING MOSTLY SUNNY
THURSDAY AFTERNOON BUT A 20 PERCENT CHANCE OF SHOWERS
AND THUNDERSTORMS LATE AFTERNOON AND THURSDAY EVENING.
INCREASING CLOUDS AGAIN THURSDAY NIGHT FOLLOWED BY SCATTERED
SHOWERS FRIDAY MORNING AND NUMEROUS SHOWERS (BUT NOT
THUNDERSTORMS) FRIDAY AFTERNOON BEHIND A COLD FRONT.
MUCH COOLER FRIDAY.
REST OF TONIGHT
SKY/WEATHER.........PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY OVERNIGHT.
MIN TEMPERATURE.....60 TO 65.
MAX HUMIDITY........39 TO 44 PERCENT.
CWR.................0 PERCENT.
WIND - 20 FOOT......SOUTHEAST 5 TO 8 MPH.
MIXING HEIGHT.......300 FT AGL.
TRANSPORT WINDS.....EAST AROUND 5 MPH.
VENTILATION INDEX...15 POOR.
THURSDAY
SKY/WEATHER.........PARTLY CLOUDY WITH A 30 PERCENT CHANCE OF
SHOWERS, MAINLY IN THE MORNING.
MAX TEMPERATURE.....74 TO 82.
MIN HUMIDITY........21 TO 26 PERCENT.
CWR.................10 PERCENT.
WIND - 20 FOOT......SOUTHEAST AROUND 7 MPH IN THE MORNING SHIFTING
TO THE SOUTHWEST 6 TO 11 MPH WITH GUSTS TO
AROUND 20 MPH IN THE AFTERNOON.
MIXING HEIGHT.......9000 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 20 MPH.
VENTILATION INDEX...1800 EXCELLENT.
THURSDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY IN THE EVENING, THEN CLOUDY WITH
A 20 PERCENT CHANCE OF SHOWERS OVERNIGHT.
MIN TEMPERATURE.....59 TO 64.
MAX HUMIDITY........43 TO 48 PERCENT.
CWR.................10 PERCENT.
WIND - 20 FOOT......NORTH 4 TO 7 MPH. GUSTS UP TO 18 MPH IN THE
EVENING.
MIXING HEIGHT.......300 FT AGL.
TRANSPORT WINDS.....SOUTHEAST AROUND 5 MPH.
VENTILATION INDEX...15 POOR.
FRIDAY
SKY/WEATHER.........CLOUDY. A CHANCE OF SHOWERS IN THE MORNING,
THEN SHOWERS LIKELY IN THE AFTERNOON. CHANCE OF
SHOWERS 60 PERCENT.
MAX TEMPERATURE.....65 TO 72.
MIN HUMIDITY........43 TO 48 PERCENT.
CWR.................30 PERCENT.
WIND - 20 FOOT......NORTHEAST 3 TO 7 MPH IN THE MORNING SHIFTING TO
THE SOUTHWEST WITH GUSTS TO AROUND 14 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......5000 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH.
VENTILATION INDEX...500 GOOD.
FORECASTER...COLIN
REQUESTED BY...ASHLEY
TYPE OF REQUEST...WILDFIRE
.TAG 2620650.0/BOI
.DELDT 08/26/26
.FORMATTERVERSION 2.0.0
.EMAIL SHAWN.ZICKFOOSE@USDA.GOV,IDSCC@FIRENET.GOV
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