382
FNUS76 KOTX 222247
FWSOTX
SPOT FORECAST FOR HILL LOOP...USDA
NATIONAL WEATHER SERVICE SPOKANE WA
347 PM PDT SAT AUG 22 2026
FORECAST IS BASED ON FORECAST START TIME OF 0600 PDT ON AUGUST 23.
DISCUSSION
A ROBUST UPPER LOW MOVING THROUGH THE REGION WILL KEEP A RISK FOR
ISOLATED SHOWERS AND THUNDERSTORMS ON SUNDAY. A FEW STORMS COULD
BE STRONG WITH HEAVY DOWNPOURS OF RAIN/SMALL HAIL AND WIND GUSTS
AROUND 30 MPH. GENERAL WINDS WILL BE BREEZY FROM THE SOUTH-
SOUTHWEST IN THE MORNING AND EARLY AFTERNOON AND SHIFT TO THE
NORTHWEST AROUND 1500 HOURS. CONDITIONS DRY OUT SUNDAY EVENING
WITH A WARMING AND DRYING TREND MONDAY AND 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).
***************************************************************
SUNDAY
SKY/WEATHER.........PARTLY SUNNY. 25% CHANCE OF RAIN SHOWERS IN THE
MORNING, INCREASING TO A 60% CHANCE OF RAIN SHOWERS
AND A 30% CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
CWR.................10 PERCENT.
CHANCE OF LIGHTNING.10 PERCENT IN THE MORNING INCREASING TO
30 PERCENT IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 75.
MIN HUMIDITY........35-40 PERCENT.
WIND (20 FT)........SOUTH-SOUTHWEST WINDS 7 TO 12 MPH SHIFTING TO THE
WINDS SHIFTING TO THE NORTHWEST 8 TO 12 MPH AROUND
1500 HOURS. GUSTY AND ERRATIC WINDS EXPECTED NEAR
THUNDERSTORMS IN THE AFTERNOON.
MIXING HEIGHT.......6500 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTH AROUND 10 MPH SHIFTING TO THE WEST IN THE
AFTERNOON.
VENTILATION INDEX...MODERATE (250) INCREASING TO HIGH (659) IN THE
AFTERNOON.
SUNDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.5 PERCENT.
MIN TEMPERATURE.....AROUND 52.
MAX HUMIDITY........78-83 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 7 TO 11 MPH THROUGH 1900 HOURS
THEN SHIFTING TO THE NORTH 2 TO 4 MPH AFTER 2000 HOURS.
MIXING HEIGHT.......4500 FT AGL FALLING TO NEAR THE SURFACE
BETWEEN 1900-2000 HOURS.
TRANSPORT WINDS.....NORTHWEST 6 TO 9 MPH.
VENTILATION INDEX...MODERATE (260) DECREASING TO LOW (28)
OVERNIGHT.
MONDAY
SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....AROUND 82.
MIN HUMIDITY........25-30 PERCENT.
WIND (20 FT)........EAST 2 TO 4 MPH IN THE MORNING SHIFTING TO
THE SOUTH-SOUTHEAST 2 TO 4 MPH AROUND 1300 HOURS.
MIXING HEIGHT.......6500 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....VARIABLE 3 TO 5 MPH.
VENTILATION INDEX...MODERATE (242).
FORECASTER...VT
REQUESTED BY...BILL COATES
TYPE OF REQUEST...WILDFIRE
.TAG 2620245.0/OTX
.DELDT 08/22/26
.FORMATTERVERSION 2.0.0
.EMAIL WILLIAM_COATES@FIRENET.GOV,CHRISTOPHER.MILLER2@USDA.GOV
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page