771
FNUS76 KOTX 012307
FWSOTX
SPOT FORECAST FOR HENDERSON FIRE...CWICC
NATIONAL WEATHER SERVICE SPOKANE WA
407 PM PDT WED JUL 1 2026
FORECAST IS BASED ON FORECAST START TIME OF 1600 PDT ON JULY 01.
DISCUSSION
A PUSH OF WINDS THROUGH THE CASCADE GAPS THIS EVENING AROUND 1700
WILL RESULT IN WINDS SHIFTING OUT OF THE NORTHWEST AND INCREASING
IN SPEED FOR A FEW HOURS BEFORE SHIFTING NORTHEAST AND SUBSIDING
OVERNIGHT INTO THURSDAY MORNING. EXPECT WINDS TO PEAK BETWEEN 1700
AND 0200 OUT OF THE NORTH-NORTHWEST WITH SUSTAINED SPEEDS OF 16
TO 20 MPH AND GUSTS UP TO 30 MPH. WINDS WILL DECREASE BY EARLY
THURSDAY MORNING, TURNING LIGHT AND VARIABLE BEFORE RAMPING UP
AGAIN LATE THURSDAY AFTERNOON. CONDITIONS WILL TREND SLIGHTLY
DRIER AND WARMER THURSDAY UNDER A RIDGE OF HIGH PRESSURE WITH
AFTERNOON HIGHS RISING NEAR 80 DEGREES AND RHS FALLING INTO THE
MID 20S.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
***************************************************************
FORECASTS FOR 20 FOOT WIND SPEEDS (VALLEYS AND RIDGE TOPS) ARE
10 MINUTE AVERAGES REFLECTING RAWS WIND.
***VENTILATION INDEX IS DERIVED FROM TRANSPORT WIND
MULTIPLIED BY THE MIXING HEIGHT DIVIDED BY 100.
CATEGORIES: LOW (< 200), MODERATE (200-500),
HIGH (500-800), AND VERY HIGH (> 800).
***************************************************************
REST OF TODAY
SKY/WEATHER.........MOSTLY SUNNY.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....AROUND 77.
MIN HUMIDITY........25-29 PERCENT.
WIND (20 FT)........WEST WINDS 6 TO 9 MPH SHIFTING NORTHWEST AND
INCREASING TO 11 TO 15 MPH AFTER 1700.
MIXING HEIGHT.......7000 FT AGL.
TRANSPORT WINDS.....WEST-NORTHWEST 7 TO 11 MPH INCREASING TO 13
TO 17 MPH AFTER 1700.
VENTILATION INDEX...HIGH (522).
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MIN TEMPERATURE.....AROUND 50.
MAX HUMIDITY........59-63 PERCENT.
WIND (20 FT)........NORTH-NORTHWEST WINDS 16 TO 20 MPH WITH GUSTS
TO 30 MPH IN THE EVENING SHIFTING NORTHEAST
AND DECREASING TO 5 TO 8 MPH AFTER 0200.
MIXING HEIGHT.......FALLING TO 500 FT AGL AROUND 2200.
TRANSPORT WINDS.....NORTHWEST 30 TO 34 MPH IN THE EVENING
DECREASING TO 6 TO 10 MPH AFTER 0200.
VENTILATION INDEX...HIGH (500) DECREASING TO LOW (40) OVERNIGHT.
THURSDAY
SKY/WEATHER.........MOSTLY SUNNY IN THE MORNING BECOMING MOSTLY
CLOUDY IN THE AFTERNOON.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....AROUND 79.
MIN HUMIDITY........23-27 PERCENT.
WIND (20 FT)........LIGHT AND VARIABLE WINDS 2 TO 5 MPH IN THE
EARLY MORNING BECOMING SOUTHWEST 5 TO 8 MPH
AFTER 0900. INCREASING TO 13 TO 17 MPH WITH
GUSTS TO 20 MPH IN THE AFTERNOON AFTER 1500.
MIXING HEIGHT.......INVERSION LIFTING AROUND 0830. INCREASING TO
7000 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....NORTHWEST 4 TO 8 MPH IN THE MORNING SHIFTING
WEST-SOUTHWEST 7 TO 10 MPH AFTER 1000.
INCREASING TO 20 TO 25 MPH AFTER 1500.
VENTILATION INDEX...MODERATE (225) INCREASING TO HIGH (657) IN THE
AFTERNOON.
FORECASTER...RFKS
REQUESTED BY...ATTICUS BAGGETT
TYPE OF REQUEST...WILDFIRE
.TAG 2616604.0/OTX
.DELDT 07/01/26
.FORMATTERVERSION 2.0.0
.EMAIL WACWC@FIRENET.GOV
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