160
FNUS76 KOTX 241429
FWSOTX
SPOT FORECAST FOR LITTLE GIANT FIRE ENTIAT RD...USFS
NATIONAL WEATHER SERVICE SPOKANE WA
729 AM PDT SAT OCT 24 2026
FORECAST IS BASED ON FORECAST START TIME OF 0700 PDT ON OCTOBER 25.
DISCUSSION
A LOW PRESSURE SYSTEM WILL MOVE ACROSS THE LITTLE GIANT FIRE LATE
SUNDAY INTO EARLY NEXT WEEK. IT WILL BRING A CHANCE OF VALLEY RAIN
SHOWERS AND MOUNTAIN SNOW SHOWERS ABOVE 5000 FEET. ACCUMULATIONS
WILL BE SPOTTY AND HIGHLY VARIABLE. PERIODS OF MODERATE WETTING
PRECIPITION IS POSSIBLE SUNDAY NIGHT INTO MONDAY WITH UP TO A FEW
INCHES OF SNOW IN THE MOUNTAINS. WINDS WILL REMAIN LIGHT AND OUT
OF THE EAST.
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).
***************************************************************
SUNDAY
SKY/WEATHER.........MOSTLY CLOUDY. A 30 PERCENT CHANCE OF RAIN AND
MOUNTAIN SNOW SHOWERS IN THE AFTERNOON. SNOW
LEVEL 4000 FEET RISING TO 5000 FEET IN THE
AFTERNOON.
CWR.................5 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....33 AT 7000 FEET, 56 AT 2500 FEET.
MIN HUMIDITY........34-38 PERCENT AT 2500 FEET.
68-72 PERCENT AT 7000 FEET.
WIND (20 FT)........EAST-SOUTHEAST WINDS 3 TO 7 MPH.
MIXING HEIGHT.......NEAR THE SURFACE THROUGH 1100 THEN INCREASING
TO 2000 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHEAST 6 TO 9 MPH.
VENTILATION INDEX...LOW (195).
SUNDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY. A 50 PERCENT CHANCE OF VALLEY
RAIN AND MOUNTAIN SNOW SHOWERS. SNOW LEVEL AT
5000 FEET.
CWR.................20 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MIN TEMPERATURE.....31-37.
MAX HUMIDITY........73-91 PERCENT.
WIND (20 FT)........RIDGETOPS............EAST-NORTHEAST WINDS 3 TO
7 MPH.
VALLEYS/MIDSLOPES....DOWNSLOPE/DOWN-VALLEY
WINDS 2 TO 5 MPH.
MIXING HEIGHT.......DECREASING NEAR SURFACE AFTER 1800.
TRANSPORT WINDS.....EAST AROUND 5 MPH.
VENTILATION INDEX...LOW (53).
MONDAY
SKY/WEATHER.........MOSTLY CLOUDY. A 40 PERCENT CHANCE OF VALLEY
RAIN AND MOUNTAIN SNOW SHOWERS. SNOW LEVEL AT
5500 FEET.
CWR.................10 PERCENT.
CHANCE OF LIGHTNING.5 PERCENT.
MAX TEMPERATURE.....34 AT 7000 FEET, 56 AT 2500 FEET.
MIN HUMIDITY........40-44 PERCENT AT 2500 FEET.
74-78 PERCENT AT 7000 FEET.
WIND (20 FT)........SOUTHEAST WINDS 2 TO 6 MPH.
MIXING HEIGHT.......INCREASING TO 2200 FT AGL AFTER 1100.
TRANSPORT WINDS.....SOUTHEAST AROUND 6 MPH.
VENTILATION INDEX...LOW (127).
FORECASTER...SVH
REQUESTED BY...ROBERT WHITEHALL
TYPE OF REQUEST...WILDFIRE
.TAG 2624377.2/OTX
.DELDT 10/24/26
.FORMATTERVERSION 2.0.0
.EMAIL ROBERT.WHITEHALL@USDA.GOV
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