473
FNUS75 KBOI 271124
FWSBOI
SPOT FORECAST FOR KNIFE FIRE...USFS
NATIONAL WEATHER SERVICE BOISE ID
524 AM MDT THU AUG 27 2026
FORECAST IS BASED ON FORECAST START TIME OF 0700 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.
..WARM AND BREEZY TODAY
..COOLER WITH WETTING RAINS POSSIBLE FRIDAY
..GUSTY ERRATIC WINDS ON FRIDAY WITH SHOWERS AND STORMS
DISCUSSION
AN UPPER LEVEL RIDGE AXIS WILL REMAIN JUST EAST OF THE AREA TODAY
WHILE LOW PRESSURE REMAINS SITUATED OFF THE PACIFIC NORTHWEST.
THIS WILL KEEP SOUTHWEST FLOW ALOFT OVER THE AREA, WITH BREEZY
SOUTHWEST WINDS DURING THE AFTERNOON. WARM TEMPERATURES EXPECTED
TODAY. MOISTURE WILL INCREASE TONIGHT WITH SHOWERS DEVELOPING ON
FRIDAY MORNING. SHOWERS AND STORMS MAY PRODUCE GUSTY ERRATIC
WINDS. COOLER TEMPERATURES FRIDAY INTO THE WEEKEND.
TODAY
SKY/WEATHER.........PARTLY SUNNY.
MAX TEMPERATURE.....68 TO 73.
MIN HUMIDITY........21 TO 26 PERCENT.
CWR.................0 PERCENT.
WIND - 20 FOOT......SOUTHWEST 13 TO 18 MPH WITH GUSTS TO AROUND 30 MPH.
MIXING HEIGHT.......9500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 30 MPH.
VENTILATION INDEX...2850 EXCELLENT.
TONIGHT
SKY/WEATHER.........INCREASING CLOUDS. ISOLATED SHOWERS
DEVELOPING AFTER MIDNIGHT.
MIN TEMPERATURE.....49 TO 54.
MAX HUMIDITY........39 TO 44 PERCENT.
CWR.................0 PERCENT.
WIND - 20 FOOT......SOUTHWEST 8 TO 14 MPH. GUSTS UP TO 22 MPH IN
THE EVENING DECREASING TO 16 MPH OVERNIGHT.
SHOWERS MAY PRODUCE GUSTY AND ERRATIC WINDS.
MIXING HEIGHT.......200 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH.
VENTILATION INDEX...20 POOR.
FRIDAY
SKY/WEATHER.........MOSTLY CLOUDY. INTERMITTENT SHOWERS. A SLIGHT
CHANCE OF THUNDERSTORMS.
MAX TEMPERATURE.....61 TO 66.
MIN HUMIDITY........30 TO 35 PERCENT.
CWR.................10 PERCENT.
WIND - 20 FOOT......SOUTHWEST 7 TO 13 MPH WITH GUSTS TO AROUND 20
MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR
SHOWERS AND THUNDERSTORMS.
MIXING HEIGHT.......7500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 20 MPH.
VENTILATION INDEX...1500 EXCELLENT.
FORECASTER...ANDERSON
REQUESTED BY...STEVEN BECKER
TYPE OF REQUEST...WILDFIRE
.TAG 2620666.0/BOI
.DELDT 08/27/26
.FORMATTERVERSION 2.0.0
.EMAIL STEVEN.BECKER2@USDA.GOV
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