607
FNUS76 KOTX 152046
FWSOTX
SPOT FORECAST FOR SNAKE RIVER FIRE WAWFS-001375...WASHINGTON DEPARTMENT OF NATURAL RESOURCES
NATIONAL WEATHER SERVICE SPOKANE WA
146 PM PDT MON JUN 15 2026
FORECAST IS BASED ON FORECAST START TIME OF 1800 PDT ON JUNE 15.
..RED FLAG WARNING IN EFFECT FROM 10 AM TO 11 PM PDT TUESDAY
RIDGE BREAKDOWN EXPECTED OVERNIGHT, ALLOWING FOR A STRONG DRY
COLD FRONT PASSAGE FOR TUESDAY. WINDS WILL START LIGHT BEFORE
INCREASING OUT OF THE WEST BY MID MORNING WITH ARRIVAL OF THE
FRONT. WINDS WILL CONTINUE TO INCREASE INTO THE AFTERNOON BEFORE
DECREASING BUT REMAIN BREEZY OVERNIGHT. RHS WILL BE DRY INTO THE
TEENS. MONDAY NIGHT INVERSION SETTING UP AROUND 2000 AND BREAKING
AROUND 0800 TUESDAY.
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).
***************************************************************
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING MOSTLY CLEAR.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MIN TEMPERATURE.....AROUND 63.
MAX HUMIDITY........45-50 PERCENT.
WIND (20 FT)........NORTH 4 TO 8 MPH BECOMING LIGHT DOWNSLOPE
WINDS AFTER 2200.
MIXING HEIGHT.......4000 FT AGL FALLING TO NEAR SURFACE.
TRANSPORT WINDS.....WEST 6 TO 10 MPH.
VENTILATION INDEX...MODERATE (249) DECREASING TO LOW (28)
OVERNIGHT.
TUESDAY
SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....AROUND 92.
MIN HUMIDITY........15-20 PERCENT.
WIND (20 FT)........LIGHT TERRAIN WINDS BECOMING WEST WINDS 5 TO 16
MPH WITH GUSTS TO AROUND 24 MPH AT 0800 INCREASING
TO 20 TO 30 MPH WITH GUSTS TO AROUND 40 MPH
AROUND 1300.
MIXING HEIGHT.......5000 FT AGL AT 0900 INCREASING TO 8000 FT AGL
AROUND 1700.
TRANSPORT WINDS.....WEST AROUND 15 MPH INCREASING TO AROUND 35 MPH
IN THE AFTERNOON.
VENTILATION INDEX...VERY HIGH (1048) INCREASING TO VERY HIGH (2183)
IN THE AFTERNOON.
TUESDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MIN TEMPERATURE.....AROUND 53.
MAX HUMIDITY........50-55 PERCENT.
WIND (20 FT)........WEST WINDS 15 TO 25 MPH. GUSTS UP TO 48 MPH
DECREASING TO 30 MPH AFTER 2100.
MIXING HEIGHT.......7000 FT AGL FALLING TO NEAR SURFACE.
TRANSPORT WINDS.....WEST AROUND 30 MPH DECREASING TO AROUND 15 MPH
OVERNIGHT.
VENTILATION INDEX...VERY HIGH (1721) DECREASING TO LOW (61)
OVERNIGHT.
WEDNESDAY
SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....AROUND 85.
MIN HUMIDITY........18 PERCENT.
WIND (20 FT)........WEST WINDS 8 TO 11 MPH WITH GUSTS TO AROUND 20
MPH.
MIXING HEIGHT.......5000 FT AGL INCREASING TO 7500 FT AGL IN THE
AFTERNOON.
TRANSPORT WINDS.....WEST 11 TO 14 MPH.
VENTILATION INDEX...HIGH (543) INCREASING TO VERY HIGH (871) IN THE
AFTERNOON.
FORECASTER...JCLEV
REQUESTED BY...ERIC KRAUSZ (PSC3)
TYPE OF REQUEST...WILDFIRE
.TAG 2615489.1/OTX
.DELDT 06/15/26
.FORMATTERVERSION 2.0.0
.EMAIL BENJAMIN_LIPPERT@FWS.GOV,DUSTY.PATRICK@GMAIL.COM,ERIC.KRAUSZ@DNR.WA.GOV
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