470
FNUS76 KMTR 181629
FWSMTR
SPOT FORECAST FOR DSH-NAPA OPEN PILE BURNING...DEPARTMENT OF STATE HOSPITALS / NAPA STATE
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
929 AM PDT SAT APR 18 2026
FORECAST IS BASED ON IGNITION TIME OF 1000 PDT ON APRIL 18.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
DRY WEATHER CONDITIONS ARE FORECAST TO PERSIST
THROUGH SUNDAY BEFORE WIDESPREAD WETTING RAINS RETURN ON MONDAY
AND LINGER INTO EARLY WEDNESDAY. EXPECTING TODAY TO BE THE
WARMEST DAY OF THE WEEK WITH A SLIGHT COOL DOWN ON SUNDAY.
SOUTHERLY WINDS ARE FORECAST TO INCREASE THIS AFTERNOON, YET
GENERALLY WILL BE LIGHT. POOR HUMIDITIES ARE EXPECTED THIS
AFTERNOON AND SURFACE TEMPERATURES WARM INTO THE MID 70S WITH
MODERATE RECOVERIES OVERNIGHT.
REST OF TODAY
SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....73-77.
MIN HUMIDITY........19-23 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 5 TO 7 MPH IN THE
AFTERNOON.
CWR.................0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MIXING HEIGHT.......4400 FT AGL.
TRANSPORT WINDS.....SOUTH AROUND 5 MPH.
MARINE LAYER........NONE.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY.
MIN TEMPERATURE.....46-50.
MAX HUMIDITY........69-73 PERCENT.
WIND (20 FT)........SOUTH WINDS 5 TO 6 MPH IN THE EVENING BECOMING
LIGHT.
CWR.................0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 5 MPH.
MARINE LAYER........NONE.
SUNDAY
SKY/WEATHER.........PARTLY SUNNY.
MAX TEMPERATURE.....68-72.
MIN HUMIDITY........25-29 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 5 TO 12 MPH.
CWR.................0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MIXING HEIGHT.......3000 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 9 MPH.
MARINE LAYER........NONE.
FORECASTER...R_GASS
REQUESTED BY...KEVIN BRODIE
TYPE OF REQUEST...PRESCRIBED
.TAG 2610672.0/MTR
.DELDT 04/18/26
.FORMATTERVERSION 2.0.0
.EMAIL KEVIN.BRODIE@DSH.CA.GOV
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