572
FNUS76 KOTX 010245
FWSOTX
SPOT FORECAST FOR BLUE LAKE...SPD
NATIONAL WEATHER SERVICE SPOKANE WA
745 PM PDT SUN MAY 31 2026
FORECAST IS BASED ON FORECAST START TIME OF 2000 PDT ON MAY 31.
DISCUSSION
NORTHWEST WINDS EXPECTED TO CONTINUE THROUGH THE NIGHT FOR RIDGE
TOP. WINDS WILL BECOME GUSTY OVERNIGHT AS DRIER AIR EXITS THE
OKANOGAN VALLEY. THE DRIER AIR WILL ALSO LEAD TO POOR RH RECOVERY
OVERNIGHT. LIGHT UPSLOPE WINDS OF 3 TO 6 MPH IS POSSIBLE ALONG THE
STEEP SHELTERED AREA OF THE BLUFF.
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 TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MIN TEMPERATURE.....AROUND 54.
MAX HUMIDITY........38-42 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 8 TO 12 MPH WITH GUSTS UP TO 25
MPH AFTER 2200 PDT ALONG THE RIDGETOP. NORTH
WINDS 4 TO 8 WITH GUSTS TO 15 IN THE VALLEY.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....NORTHWEST 11 TO 14 MPH BECOMING 20 TO 30 MPH
AFTER 2200 PDT.
VENTILATION INDEX...LOW (82).
MONDAY
SKY/WEATHER.........MOSTLY CLOUDY.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....AROUND 75.
MIN HUMIDITY........20-25 PERCENT.
WIND (20 FT)........NORTHEAST WINDS 9 TO 14 MPH WITH GUSTS TO
AROUND 20 MPH.
MIXING HEIGHT.......6000 FT AGL INCREASING TO 8500 FT AGL IN THE
AFTERNOON.
TRANSPORT WINDS.....NORTH 15 TO 20 MPH.
VENTILATION INDEX...VERY HIGH (813) INCREASING TO VERY HIGH (866)
IN THE AFTERNOON.
MONDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MIN TEMPERATURE.....AROUND 52.
MAX HUMIDITY........58-63 PERCENT.
WIND (20 FT)........NORTH WINDS 5 TO 11 MPH.
MIXING HEIGHT.......6000 FT AGL FALLING TO 500 FT AGL.
TRANSPORT WINDS.....NORTHEAST 7 TO 12 MPH.
VENTILATION INDEX...HIGH (530) DECREASING TO LOW (35) OVERNIGHT.
TUESDAY
SKY/WEATHER.........MOSTLY SUNNY.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....AROUND 77.
MIN HUMIDITY........26-31 PERCENT.
WIND (20 FT)........NORTH WINDS AROUND 6 MPH IN THE MORNING
BECOMING LIGHT.
MIXING HEIGHT.......5500 FT AGL INCREASING TO 8500 FT AGL IN THE
AFTERNOON.
TRANSPORT WINDS.....NORTH AROUND 7 MPH SHIFTING TO THE SOUTHEAST
AROUND 5 MPH IN THE AFTERNOON.
VENTILATION INDEX...MODERATE (224) INCREASING TO MODERATE (375) IN
THE AFTERNOON.
FORECASTER...JCLEV
REQUESTED BY...CWICC
TYPE OF REQUEST...WILDFIRE
.TAG 2614730.0/OTX
.DELDT 05/31/26
.FORMATTERVERSION 2.0.0
.EMAIL WACWC@FIRENET.GOV
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