450
FNUS76 KOTX 230252
FWSOTX
SPOT FORECAST FOR MALLOY...WA DNR
NATIONAL WEATHER SERVICE SPOKANE WA
752 PM PDT WED JUL 22 2026
FORECAST IS BASED ON FORECAST START TIME OF 0600 PDT ON JULY 23.
..HEAT ADVISORY IN EFFECT UNTIL 9 PM PDT THURSDAY
...FIRE WEATHER WATCH IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY EVENING...
DISCUSSION
THURSDAY WILL BE HOT AND UNSTABLE WITH HIGH TEMPERATURES NEAR
100. THERE IS A 5% CHANCE FOR ELEVATED SHOWERS AND THUNDERSTORMS
IN THE MORNING. CHANCES FOR THUNDERSTORMS INCREASE TO 15% AROUND
1600 HOURS. THE GREATEST HAZARD WILL BE LIGHTNING AND GUSTY
OUTFLOW WINDS UP TO 40 MPH. THURSDAY NIGHT WILL BE VERY WARM WITH
FAIR RELATIVE HUMIDITY RECOVERIES. TEMPERATURES COOL BY ABOUT 5
DEGREES ON FRIDAY, BUT DRY AND BREEZY CONDITIONS WILL RESULT IN
ELEVATED FIRE WEATHER CONDITIONS. A DRY COLD FRONT SATURDAY WILL
BRING CRITICAL FIRE WEATHER CONDITIONS WITH SOUTHWEST WINDS 15 TO
20 MPH AND GUSTS UP TO 30 MPH SATURDAY AFTERNOON INTO THE EARLY
EVENING.
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).
***************************************************************
THURSDAY
SKY/WEATHER.........MOSTLY SUNNY. HAZE AND AREAS OF SMOKE. 5% CHANCE
FOR SHOWERS AND THUNDERSTORMS IN THE MORNING
INCREASING TO A 15% CHANCE AROUND 1600 HOURS.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.5 PERCENT IN THE MORNING INCREASING TO 15 PERCENT
AROUND 1600 HOURS..
MAX TEMPERATURE.....100.
MIN HUMIDITY........17-22 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 2 TO 5 MPH EARLY IN THE MORNING SHIFTING
TO THE SOUTH 5 TO 9 MPH AROUND 0900 HOURS. GUSTY AND
ERRATIC WINDS UP TO 40 MPH EXPECTED NEAR THUNDERSTORMS.
MIXING HEIGHT.......10500 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST 10 TO 12 MPH.
VENTILATION INDEX...MODERATE (242) INCREASING TO VERY HIGH (1369)
IN THE AFTERNOON.
THURSDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR. HAZE AND AREAS OF SMOKE.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MIN TEMPERATURE.....64.
MAX HUMIDITY........60-65 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 7 TO 10 MPH.
MIXING HEIGHT.......FALLING TO NEAR THE SURFACE AFTER 2000 HOURS.
TRANSPORT WINDS.....SOUTHWEST 12 TO 14 MPH.
VENTILATION INDEX...VERY HIGH (1334) DECREASING TO LOW (53)
OVERNIGHT.
FRIDAY
SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....95.
MIN HUMIDITY........15-20 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 7 TO 9 MPH. GUSTS UP TO 20 MPH
IN THE AFTERNOON.
MIXING HEIGHT.......9500 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST 14 TO 16 MPH.
VENTILATION INDEX...MODERATE (464) INCREASING TO VERY HIGH (1355)
IN THE AFTERNOON.
FORECASTER...VT
REQUESTED BY...IAN HICKS
TYPE OF REQUEST...WILDFIRE
.TAG 2618015.0/OTX
.DELDT 07/22/26
.FORMATTERVERSION 2.0.0
.EMAIL IAN.HICKS@DNR.WA.GOV
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