373
FNUS76 KHNX 210356
FWSHNX
SPOT FORECAST FOR GRANT GROVE RX...USWFS
NATIONAL WEATHER SERVICE HANFORD CA
856 PM PDT TUE OCT 20 2026
FORECAST IS BASED ON IGNITION TIME OF 0700 PDT ON OCTOBER 21.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
WETTING RAINFALL OCCURING BETWEEN WEDNESDAY AND THURSDAY AFTERNOON.
TOTAL RAINFALL BETWEEN 1.5-1.75 INCHES EXPECTED, WITH A 30% CHANCE
FOR 2 INCHES OR MORE. SNOW LEVELS STAYING AROUND 8,000 FEET. A
10-15 PERCENT CHANCE OF THUNDERSTORMS WILL ACCOMPANY THIS RAINFALL.
WINDS WILL BE GENERALLY DIURNAL AND TERRAIN-DRIVEN, EXCEPT GUSTY
AND ERRATIC NEAR THUNDERSTORMS AND WINDY FROM THE SOUTHEAST ON
WEDNESDAY NIGHT.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY BECOMING OVERCAST IN THE
AFTERNOON. CHANCE OF RAIN 70-80 PERCENT,
WITH 0.3-0.5 INCHES EXPECTED. 10-15 PERCENT
CHANCE OF AFTERNOON THUNDERSTORMS.
MAX TEMPERATURE.....48-53.
MIN HUMIDITY........62-70 PERCENT.
EYE LEVEL WINDS.....LIGHT AND VARIABLE IN THE MORNING, THEN SOUTHWEST
5-8 MPH IN THE AFTERNOON.
SURROUNDING RIDGE...SOUTHWEST 5-15 MPH
MIXING HEIGHT.......RISING TO 2800 FT AGL.
TRANSPORT WINDS.....SOUTH 7-9 MPH.
WEDNESDAY NIGHT
SKY/WEATHER.........OVERCAST. CHANCE OF RAIN 70 PERCENT. ADDITIONAL
0.5-0.6 INCHES OF RAIN EXPECTED OVERNIGHT. 10-15
PERCENT CHANCE OF THUNDERSTORMS CONTINUES.
MIN TEMPERATURE.....37-40.
MAX HUMIDITY........98-100 PERCENT.
EYE LEVEL WINDS.....VARIABLE 4-6 MPH, INCREASING TO SOUTHEAST
10-15 MPH BETWEEN 10PM-2AM, WITH GUSTS UP
TO 20 MPH.
SURROUNDING RIDGE...SOUTHEAST 5-10 MPH, INCREASING TO SOUTHEAST
20-25 MPH BETWEEN 10PM-2AM, WITH GUSTS UP TO
30 MPH.
MIXING HEIGHT.......LOWERING TO 500 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 4-7 MPH.
THURSDAY
SKY/WEATHER.........OVERCAST. CHANCE OF RAIN 70 PERCENT. ADDITIONAL
0.3-0.4 INCHES OF RAIN EXPECTED. 10-15 PERCENT
CHANCE OF THUNDERSTORMS CONTINUES.
MAX TEMPERATURE.....41-46.
MIN HUMIDITY........98-100 PERCENT.
EYE LEVEL WINDS.....LIGHT AND VARIABLE IN THE MORNING, THEN SOUTHWEST
5-8 MPH IN THE AFTERNOON.
SURROUNDING RIDGE...SOUTHWEST 7-12 MPH
MIXING HEIGHT.......RISING TO 2700 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 4-7 MPH.
FORECASTER...DAER
REQUESTED BY...ISABELLA MUSCETTOLA
TYPE OF REQUEST...PRESCRIBED
.TAG 2623866.8/HNX
.DELDT 10/21/26
.FORMATTERVERSION 2.0.0
.EMAIL ISABELLA_MUSCETTOLA@NPS.GOV
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