312  
FNUS76 KSTO 061919  
FWSSTO  
 
SPOT FORECAST FOR GANN...CAL FIRE TCU  
NATIONAL WEATHER SERVICE SACRAMENTO CA  
1219 PM PDT THU AUG 6 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 1500 PDT ON AUGUST 06.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
...HEAT ADVISORY IN EFFECT FROM 10 AM FRIDAY TO 10 PM PDT  
SUNDAY...  
   
DISCUSSION
 
 
HOT, DRY, AND BREEZY CONDITIONS EXPECTED TO CONTINUE THROUGH THE  
REMAINDER OF THE WEEK AND OVER THE WEEKEND. WINDS THIS AFTERNOON WILL  
BE NORTHWESTERLY WITH GUSTS BETWEEN 15 AND 20 MPH, THEN WILL STEADILY  
DECREASE IN THE EVENING, BECOMING LIGHT AND NORTHERLY OVERNIGHT.  
A SIMILAR TREND IN THE WINDS IS EXPECTED FOR FRIDAY. DAYTIME HUMIDITIES  
WILL BE PRIMARILY IN THE TEENS, WITH POOR OVERNIGHT RECOVERIES. A  
HEAT ADVISORY IS IN EFFECT STARTING 10AM FRIDAY AND CONTINUING THROUGH  
10PM SUNDAY, DUE TO TRIPLE DIGIT HIGHS AND LITTLE OVERNIGHT TEMPERATURE  
RELIEF. HOTTEST CONDITIONS ON SATURDAY.  
   
REST OF TODAY
 
 
SKY/WEATHER.........SUNNY. SMOKE.  
MAX TEMPERATURE.....97-101.  
MIN HUMIDITY........16-20 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......NORTHWEST WINDS 5 TO 10 MPH WITH GUSTS UP TO  
20 MPH.  
RIDGETOP...........NORTHWEST 9 TO 12 MPH.  
MIXING HEIGHT.......2900 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 9 TO 12 MPH.  
CWR.................0 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
 
TIME (PDT) 3PM 4PM 5PM  
SKY COVER.......CLR CLR CLR  
CWR.............0 0 0  
CHC OF THDR (%).0 0 0  
TEMP............97 97 98  
RH..............21 21 21  
SL/VL WIND DIR..W W NW  
SL/VL WIND SPD..9 9 10  
SL/VL WIND GUST.18 18 20  
RIDGE WIND DIR..W W NW  
RIDGE WIND SPD..9 9 12  
MIX HGT (KFT)...2.9 2.9 2.2  
TRANSP WIND DIR.W W NW  
TRANSP WIND SPD.9 9 12  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR. SMOKE EARLY IN THE EVENING, THEN  
AREAS OF SMOKE LATE IN THE EVENING. PATCHY  
SMOKE IN THE LATE EVENING AND OVERNIGHT.  
MIN TEMPERATURE.....66-72.  
MAX HUMIDITY........30-42 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......NORTHWEST WINDS 5 TO 9 MPH WITH GUSTS TO AROUND  
20 MPH BECOMING LIGHT AND FROM THE NORTH.  
RIDGETOP...........NORTHWEST 7 TO 10 MPH.  
MIXING HEIGHT.......400 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 7 TO 12 MPH.  
CWR.................0 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
 
TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY COVER.......CLR CLR CLR CLR CLR CLR MCR MCR MCR MCR PC MCR  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............96 94 90 84 81 78 76 74 73 72 71 71  
RH..............21 22 24 25 25 28 31 34 35 36 38 39  
SL/VL WIND DIR..NW NW NW NW N N N N N N N N  
SL/VL WIND SPD..9 9 8 7 7 6 5 2 1 1 1 1  
SL/VL WIND GUST.20 17 15 14 13 12 10 8 7 6 6 6  
RIDGE WIND DIR..NW W W W W W W W W W W W  
RIDGE WIND SPD..10 9 9 8 8 7 7 7 7 7 7 7  
MIX HGT (KFT)...2.2 2.2 0.5 0.5 0.5 0.4 0.4 0.4 0.4 0.4 0.4 0.4  
TRANSP WIND DIR.NW NW NW NW NW N N N N N N N  
TRANSP WIND SPD.12 12 10 10 10 9 9 9 8 8 8 7  
   
FRIDAY
 
 
SKY/WEATHER.........SUNNY. PATCHY SMOKE IN THE MORNING, THEN AREAS  
OF SMOKE EARLY IN THE AFTERNOON. SMOKE LATE IN  
THE AFTERNOON.  
MAX TEMPERATURE.....96-102.  
MIN HUMIDITY........17-21 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......LIGHT NORTH WINDS BECOMING WEST UP TO 9 MPH LATE  
IN THE MORNING, WITH GUSTS UP TO 20 MPH IN THE  
AFTERNOON.  
RIDGETOP...........NORTHWEST AROUND 6 MPH.  
MIXING HEIGHT.......3100 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 6 TO 12 MPH.  
CWR.................0 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
 
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY COVER.......MCR CLR CLR CLR CLR CLR CLR CLR CLR CLR CLR CLR  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............69 70 74 79 88 92 94 96 97 97 99 99  
RH..............43 44 38 33 27 23 23 22 21 20 19 19  
SL/VL WIND DIR..N N N NW W W W W W NW NW NW  
SL/VL WIND SPD..1 1 2 2 3 5 7 8 8 8 9 8  
SL/VL WIND GUST.6 6 7 8 9 12 14 16 18 18 18 18  
RIDGE WIND DIR..N N NW NW NW NW NW NW NW NW NW NW  
RIDGE WIND SPD..6 6 5 5 6 6 6 5 5 6 6 7  
MIX HGT (KFT)...0.4 0.4 0.9 0.9 0.9 1.8 1.8 1.8 3.1 3.1 3.1 2.6  
TRANSP WIND DIR.N N NW NW NW NW NW NW NW NW NW NW  
TRANSP WIND SPD.7 7 6 6 6 8 8 8 12 12 12 10  
 

 
FORECASTER...SP  
REQUESTED BY...ERIN NANIK  
TYPE OF REQUEST...WILDFIRE  
.TAG 2618934.3/STO  
.DELDT 08/06/26  
.FORMATTERVERSION 2.0.0  
.EMAIL ERIN.NANIK@FIRE.CA.GOV  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab CA Page Main Text Page