125
FNUS76 KOTX 062216
FWSOTX
SPOT FORECAST FOR DUDLEY FIRE...USFS
NATIONAL WEATHER SERVICE SPOKANE WA
316 PM PDT SUN SEP 6 2026
FORECAST IS BASED ON FORECAST START TIME OF 1800 PDT ON SEPTEMBER 06.
DISCUSSION
A WET PERIOD IS FORECAST FOR THE FIRE SUNDAY NIGHT THROUGH MONDAY,
WITH CHANCES LINGERING THROUGH MONDAY NIGHT AND WANING TUESDAY.
THERE WILL ALSO BE A 40 PERCENT CHANCE IF THUNDERSTORMS SUNDAY EVENING
AND 20 PERCENT OVERNIGHT INTO MONDAY. BETWEEN 5 PM SUNDAY AND 5 PM
MONDAY, THERE IS A 90 PERCENT CHANCE OF 0.50 INCHES OF RAIN OR
MORE ON THE FIRE, 60 PERCENT CHANCE OF 1 INCH OR GREATER, AND A
25 PERCENT CHANCE OF GREATER THAN 1.25 INCHES. WEDNESDAY AND
THURSDAY ARE EXPECTED TO BE DRIER AND WARMER, WITH BREEZY
CONDITIONS THURSDAY.
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.........CLOUDY. PERIODIC RAIN SHOWERS THROUGH THE NIGHT.
A 40% CHANCE OF THUNDERSTORMS IN THE EVENING, THEN
A 20% CHANCE OF THUNDERSTORMS OVERNIGHT. PATCHY
FOG OVERNIGHT.
CWR.................90 PERCENT.
CHANCE OF LIGHTNING.40 PERCENT.
MIN TEMPERATURE.....46-48.
MAX HUMIDITY........100 PERCENT.
WIND (20 FT)........WEST WINDS 4 TO 7 MPH, EXCEPT 7 TO 12 MPH ON THE
RIDGETOPS. GUSTS TO 16 MPH. GUSTY AND ERRATIC WINDS
EXPECTED NEAR THUNDERSTORMS.
MIXING HEIGHT.......1500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 8 MPH.
VENTILATION INDEX...LOW (128).
LABOR DAY
SKY/WEATHER.........CLOUDY. PATCHY FOG IN THE MORNING. RAIN SHOWERS
AND 20% CHANCE OF THUNDERSTORMS.
CWR.................90 PERCENT.
CHANCE OF LIGHTNING.15 PERCENT.
MAX TEMPERATURE.....52-57.
MIN HUMIDITY........81-87 PERCENT.
WIND (20 FT)........WEST WINDS AROUND 2 TO 5 MPH IN THE MORNING...
INCREASING TO 5 TO 8 MPH, WITH GUSTS TO 18 MPH.
RIDGETOP WINDS 7 TO 15 MPH WITH GUSTS TO 22 MPH.
GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS.
MIXING HEIGHT.......2000 FT AGL INCREASING TO 2500 FT AGL IN THE
AFTERNOON.
TRANSPORT WINDS.....WEST 13 TO 16 MPH.
VENTILATION INDEX...MODERATE (398).
MONDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY. RAIN SHOWERS LIKELY IN THE
EVENING, THEN CHANCE OF RAIN SHOWERS OVERNIGHT.
CWR.................50 PERCENT.
CHANCE OF LIGHTNING.5 PERCENT.
MIN TEMPERATURE.....43-47.
MAX HUMIDITY........90-100 PERCENT.
WIND (20 FT)........WEST WIND 4 TO 8 MPH WITH GUSTS TO 15 MPH
BEFORE 2000...DECREASING TO SOUTH 3 TO 5 MPH
WITH GUSTS TO 9 MPH.
MIXING HEIGHT.......1500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 9 TO 10 MPH.
VENTILATION INDEX...LOW (189).
TUESDAY
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
SLIGHT CHANCE OF RAIN SHOWERS IN THE MORNING.
CWR.................5 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....60-65.
MIN HUMIDITY........56-58 PERCENT.
WIND (20 FT)........SOUTH WINDS 2 TO 5 MPH IN THE MORNING...
INCREASING TO 4 TO 7 MPH WITH GUSTS TO
12 MPH IN THE AFTERNOON.
MIXING HEIGHT.......3000 FT AGL INCREASING TO 5000 FT AGL IN THE
AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST 9 TO 11 MPH.
VENTILATION INDEX...MODERATE (278) INCREASING TO MODERATE (499) IN
THE AFTERNOON.
FORECASTER...MSC
REQUESTED BY...LUKE SMITH
TYPE OF REQUEST...WILDFIRE
.TAG 2620763.10/OTX
.DELDT 09/06/26
.FORMATTERVERSION 2.0.0
.EMAIL LUKE.SMITH2@USDA.GOV,CHRIS_STETSON@FIRENET.GOV,LANCE.VAELLI@USDA.GOV,GARRETT.PITSENBARGER@USDA.GOV,EVAN.A.RATCLIFFE@USDA.GOV,MICHAEL.STARR@USDA.GOV
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