745
FNUS76 KHNX 201705
FWSHNX
SPOT FORECAST FOR ASH MT. RX...U.S. WILDLAND FIRE SERVICE
NATIONAL WEATHER SERVICE HANFORD CA
1005 AM PDT WED MAY 20 2026
FORECAST IS BASED ON IGNITION TIME OF 0000 PDT ON MAY 21.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
LOW RELATIVE HUMIDITY VALUES CONTINUE THROUGHOUT THE VALLEY THIS
WEEK. MOST AREAS WITHIN THE SJV WILL BE BELOW 15 PERCENT. THE
PREDOMINANT THREATS FOR FIRE WEATHER WILL BE RAPIDLY DEVELOPING
AND SPREADING GRASS FIRES. WINDS WILL BE LIGHTER COMPARED TO THE
WEEKEND. A WARMING AND DRYING TREND WILL MOVE INTO CENTRAL
CALIFORNIA THROUGHOUT FRIDAY. THUS, ELEVATED FIRE WEATHER
THROUGHOUT THE WEEK. THERE WILL BE POOR TO MODERATE OVERNIGHT
HUMIDITY RECOVERY FOR THE LATTER PART OF THE WEEK.
REST OF TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (0-10 PERCENT).
MIN TEMPERATURE.....AROUND 58-61.
MAX HUMIDITY........42-51 PERCENT.
EYE LEVEL WINDS.....EAST WINDS AROUND 3 MPH.
SURROUNDING RIDGE...
MIXING HEIGHT.......300-400 FT AGL.
TRANSPORT WINDS.....EAST AROUND 4 MPH.
THURSDAY
SKY/WEATHER.........SUNNY (0-5 PERCENT).
MAX TEMPERATURE.....AROUND 92-97.
MIN HUMIDITY........16-20 PERCENT.
EYE LEVEL WINDS.....SOUTH WINDS UP TO 3 MPH SHIFTING TO THE WEST
AROUND 4 MPH IN THE AFTERNOON.
SURROUNDING RIDGE...
MIXING HEIGHT.......6000-6500 FT AGL.
TRANSPORT WINDS.....WEST AROUND 5 MPH.
THURSDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT).
MIN TEMPERATURE.....AROUND 60-64.
MAX HUMIDITY........49-55 PERCENT.
EYE LEVEL WINDS.....NORTH WINDS UP TO 4 MPH IN THE EVENING BECOMING
LIGHT.
SURROUNDING RIDGE...
MIXING HEIGHT.......300 FT AGL.
TRANSPORT WINDS.....NORTHEAST AROUND 4 MPH.
FRIDAY
SKY/WEATHER.........SUNNY (0-10 PERCENT).
MAX TEMPERATURE.....AROUND 93-98.
MIN HUMIDITY........18-22 PERCENT.
EYE LEVEL WINDS.....LIGHT WINDS BECOMING WEST AROUND 4 MPH IN THE
AFTERNOON.
SURROUNDING RIDGE...
MIXING HEIGHT.......6700-6900 FT AGL.
TRANSPORT WINDS.....WEST AROUND 5 MPH.
FORECASTER...HNX
REQUESTED BY...ARMANDO ALVAREZ
TYPE OF REQUEST...PRESCRIBED
.TAG 2614139.0/HNX
.DELDT 05/20/26
.FORMATTERVERSION 2.0.0
.EMAIL ARMANDO.ALVAREZ@NPS.GOV
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