948
FNUS76 KOTX 251412
FWSOTX
SPOT FORECAST FOR LITTLE GIANT FIRE ENTIAT RD...USFS
NATIONAL WEATHER SERVICE SPOKANE WA
712 AM PDT SUN OCT 25 2026
FORECAST IS BASED ON FORECAST START TIME OF 0600 PDT ON OCTOBER 26.
DISCUSSION
A LOW PRESSURE SYSTEM WILL MOVE ACROSS THE LITTLE GIANT FIRE LATE
SUNDAY INTO MONDAY. 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 ARE POSSIBLE INTO MONDAY WITH UP TO A FEW INCHES OF
SNOW IN THE MOUNTAINS. WINDS WILL REMAIN LIGHT AND OUT OF THE
SOUTHEAST MONDAY, THEN WILL SHIFT OUT OF THE NORTHWEST MONDAY
NIGHT. A SECOND SYSTEM BEGINS TO MOVE IN FROM THE WEST TUESDAY
AFTERNOON, BRINGING ANOTHER ROUND OF SLIGHT (20 PERCENT) CHANCES
FOR VALLEY RAIN AND MOUNTAIN SNOW.
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).
***************************************************************
MONDAY
SKY/WEATHER.........MOSTLY CLOUDY. A 55 PERCENT CHANCE OF VALLEY
RAIN AND MOUNTAIN SNOW SHOWERS. SNOW LEVEL AT
5500 FEET.
CWR.................30 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....31 AT 7000 FEET, 56 AT 2500 FEET.
MIN HUMIDITY........53-58 PERCENT AT 2500 FEET.
83-87 PERCENT AT 7000 FEET.
WIND (20 FT)........SOUTHEAST WINDS 3-7 MPH.
MIXING HEIGHT.......INCREASING TO 2200 FT AGL AFTER 1100.
TRANSPORT WINDS.....SOUTHEAST AROUND 6 MPH.
VENTILATION INDEX...LOW (197).
MONDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY. A 25 PERCENT CHANCE OF VALLEY
RAIN AND MOUNTAIN SNOW SHOWERS IN THE EVENING.
SNOW LEVEL AT 5000 FEET.
CWR.................10 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MIN TEMPERATURE.....29-37.
MAX HUMIDITY........82-100 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 2-6 MPH.
MIXING HEIGHT.......FALLING TO NEAR SURFACE AROUND 1800.
TRANSPORT WINDS.....WEST AROUND 9 MPH.
VENTILATION INDEX...LOW (125).
TUESDAY
SKY/WEATHER.........PARTLY SUNNY. A 20 PERCENT CHANCE OF VALLEY
RAIN AND MOUNTAIN SNOW SHOWERS IN THE
AFTERNOON. SNOW LEVEL AT 5000 FEET.
CWR.................LESS THAN 5 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....30 AT 7000 FEET, 55 AT 2500 FEET.
MIN HUMIDITY........50-55 PERCENT AT 2500 FEET.
82-86 PERCENT AT 7000 FEET.
WIND (20 FT)........WEST WINDS 5 TO 8 MPH.
MIXING HEIGHT.......INCREASING TO 3000 FT AGL AFTER 1100.
TRANSPORT WINDS.....WEST 10 TO 11 MPH.
VENTILATION INDEX...MODERATE (317).
FORECASTER...RFKS
REQUESTED BY...ROBERT WHITEHALL
TYPE OF REQUEST...WILDFIRE
.TAG 2624377.3/OTX
.DELDT 10/25/26
.FORMATTERVERSION 2.0.0
.EMAIL ROBERT.WHITEHALL@USDA.GOV
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