344
FNUS75 KBOI 271243
FWSBOI
SPOT FORECAST FOR GROUSE
..SOUTH IDAHO INTERAGENCY DISPATCH
UPDATED
NATIONAL WEATHER SERVICE BOISE ID
643 AM MDT THU AUG 27 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
A 30 PERCENT CHANCE OF SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS
THURSDAY MORNING. GUSTY ERRATIC WINDS POSSIBLE FROM SHOWERS.
BECOMING MOSTLY SUNNY THIS AFTERNOON. A 20 PERCENT CHANCE OF SHOWERS
AND THUNDERSTORMS LATE AFTERNOON AND EVENING TODAY. MOISTURE INCREASES
TONIGHT WITH INCREASING CLOUDS, SHOWERS DEVELOPING AFTER MIDNIGHT.
MUCH COOLER FRIDAY.
THURSDAY
SKY/WEATHER.........PARTLY CLOUDY WITH A 30 PERCENT CHANCE OF
SHOWERS AND A SLIGHT CHANCE OF THUNDER,
MAINLY IN THE MORNING. THEN A SLIGHT CHANCE
OF THUNDERSTORMS IN THE AFTERNOON AND EVENING.
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. GUSTY AND ERRATIC
WINDS POSSIBLE FROM SHOWERS.
MIXING HEIGHT.......9000 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 20 MPH.
VENTILATION INDEX...1800 EXCELLENT.
THURSDAY NIGHT
SKY/WEATHER.........INCREASING CLOUDS. SHOWERS DEVELOPING AFTER MIDNIGHT.
MIN TEMPERATURE.....59 TO 64.
MAX HUMIDITY........43 TO 48 PERCENT.
CWR.................10 PERCENT.
WIND - 20 FOOT......NORTH 6 TO 10 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...ANDERSON
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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