386
FNUS76 KSTO 251556
FWSSTO
SPOT FORECAST FOR CACHE CREEK FIREWORKS EVENT...YOCHA DEHE FIRE
NATIONAL WEATHER SERVICE SACRAMENTO CA
856 AM PDT THU JUN 25 2026
FORECAST IS BASED ON FORECAST START TIME OF 1800 PDT ON JUNE 25.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
A WEATHER SYSTEM APPROACHING THE PACIFIC NORTHWEST WILL BRING
RELATIVELY COOLER TEMPERATURES, RISING HUMIDITY AND INCREASED ONSHORE
FLOW TO THE AREA OF CONCERN THIS EVENING INTO FRIDAY. TEMPERATURES AT
2100 HRS ARE PROJECTED TO BE IN THE UPPER 70S TO AROUND 80, AND COOL TO THE
UPPER 50S BY FRIDAY MORNING. BREEZY TO GUSTY WESTERLY WINDS
ARE FORECAST THIS EVENING INTO PART OF THE OVERNIGHT PERIOD. MIXING
HEIGHT WILL INITIALLY BE AROUND 4,000 FT LATE IN THE AFTERNOON AND
WILL LOWER TO AROUND 600 FT AT THE TIME OF THE EVENT AND
CONTINUE TO LOWER TO AROUND 400 FEET BY FRIDAY MORNING.
THE CHANCE FOR SUSTAINED SURFACE WINDS EXCEEDING 15 KTS IS LESS THAN
10 PERCENT AT THE EVENT LOCATION, BUT UP TO 40 PERCENT OVER NEARBY
RIDGES. NO PRECIPITATION IS EXPECTED AT THE TIME OF THE EVENT,
HOWEVER THERE IS A SLIGHT CHANCE AFTER 0400 FRIDAY.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
CHANCE OF PCPN......0 PERCENT THROUGH 0400 FRIDAY THEN 15% CHANCE AFTER THAT.
MIN TEMPERATURE.....59-63.
MAX HUMIDITY........56-60 PERCENT.
SURFACE WINDS (MPH).WEST WINDS 5 TO 10 MPH WITH GUSTS 14 TO 17 MPH
IN THE EVENING BECOMING LIGHT OVERNIGHT.
WIND (20 FT)........
VALLEY/LWR SLOPES..WEST WINDS 5 TO 10 MPH WITH GUSTS 14 TO 17 MPH
IN THE EVENING BECOMING LIGHT OVERNIGHT.
RIDGE/UPPER SLOPE..WEST 10 TO 14 MPH WITH GUSTS 16 TO 21 MPH.
MIXING HEIGHT.......4,000 FT IN THE LATE AFTERNOON, DECREASING TO 400 FT AGL OVERNIGHT.
TRANSPORT WINDS.....WEST 10 TO 14 MPH.
CHANCE OF THUNDER...LESS THAN 5 PERCENT.
TIME (PDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY COVER.......MCLEAR PCLDY PCLDY MCLEAR MCLDY PCLDY
CHC OF PCPN (%).0 0 0 0 0 10
CHC OF THDR (%).0 0 0 0 0 0
TEMP............91 84 77 72 67 63
RH..............30 28 32 37 47 55
VL/LS WIND......SW 8 W 8 W 7 W 5 W 3 W 2
VL/LS WIND GUST.17 17 16 11 9 7
SURFACE WIND....SW 9 W 8 W 7 W 5 W 3 W 2
SURFACE WND GST.17 17 16 11 9 7
RIDGE/UPSLP SPD.SW 13 W 14 W 14 W 14 W 12 W 12
MIX HGT (FT)....4000 600 600 500 500 400
TRANSPORT WIND..W 13 W 14 W 14 W 14 W 12 W 12
FORECASTER...KH
REQUESTED BY...DAMEN SNOW
TYPE OF REQUEST...OTHER
.TAG 2616203.0/STO
.DELDT 06/25/26
.FORMATTERVERSION 2.0.0
.EMAIL DSNOW@YOCHADEHE.GOV
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