152  
FNUS76 KSTO 050145  
FWSSTO  
 
SPOT FORECAST FOR FRANKLIN FIELD TRAINING BURN...COSUMNES FIRE DEPARTMENT  
NATIONAL WEATHER SERVICE SACRAMENTO CA  
645 PM PDT THU JUN 4 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0600 PDT ON JUNE 05.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
 
WARM AND DRY WEATHER PERSISTS ON FRIDAY WITH COOLER WEATHER THEN  
ON TRACK THROUGH THE WEEKEND AND INTO EARLY NEXT WEEK. PROBABILITY  
OF HIGH TEMPERATURES GREATER THAN 95 DEGREES AT 60% ON FRIDAY.  
WINDS EXPECTED TO CONTINUE DIURNAL TRENDS, WITH LIGHTER WINDS IN  
THE MORNING BECOMING BREEZY TO GUSTY IN THE AFTERNOON AND EVENING.  
PROBABILITY OF SUSTAINED WINDS GREATER THAN 15 MPH REMAIN AROUND  
40-50% FRIDAY AND THROUGH THE WEEKEND. DAYTIME HUMIDITY VALUES  
INTO THE 20S EXPECTED THROUGH THE WEEKEND WITH GRADUAL  
IMPROVEMENTS INTO EARLY NEXT WEEK. A SLIGHT CHANCE (15%) OF  
SHOWERS IS FORECAST FOR MONDAY AND TUESDAY AS WELL.  
   
FRIDAY  
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....93-98.  
MIN HUMIDITY........21-26 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......LIGHT WINDS BECOMING WEST 4 TO 6 MPH IN THE LATE  
MORNING, INCREASING TO 10 TO 13 MPH LATE IN THE  
AFTERNOON.  
RIDGETOP...........WEST UP TO 6 MPH INCREASING TO 10 TO 14 MPH  
IN THE AFTERNOON.  
MIXING HEIGHT.......RISING TO AROUND 5300 FT AGL.  
TRANSPORT WINDS.....WEST UP TO 6 MPH INCREASING TO 10 TO 14 MPH  
IN THE AFTERNOON.  
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 MCR MCR MCR MCR 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............56 59 63 68 76 81 86 91 94 94 96 95  
RH..............76 70 62 53 45 39 34 29 26 24 23 24  
SL/VL WIND DIR..W W W W W NW NW W W W W W  
SL/VL WIND SPD..3 3 3 3 3 5 5 6 6 8 10 13  
SL/VL WIND GUST.7 7 7 7 7 8 9 10 12 15 17 22  
RIDGE WIND DIR..N N N N W W W W W W W W  
RIDGE WIND SPD..W W W W W NW NW NW W W W W  
MIX HGT (KFT)...0.4 0.4 1.2 1.2 1.2 3.0 3.0 3.0 5.3 5.3 5.3 2.9  
TRANSP WIND DIR.W W W W W NW NW NW W W W W  
TRANSP WIND SPD.6 6 6 6 6 6 6 6 10 10 10 14  
   
FRIDAY NIGHT  
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....55-60.  
MAX HUMIDITY........60-65 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......WEST-SOUTHWEST WINDS 10 TO 13 MPH, DECREASING  
TO 6 TO 9 MPH OVERNIGHT.  
RIDGETOP...........SOUTHWEST 9 TO 18 MPH INCREASING TO 21 TO 24  
MPH OVERNIGHT.  
MIXING HEIGHT.......FALLING TO AROUND 400 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 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 MCR MCR MCR MCR MCR MCR 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............94 92 83 77 72 69 65 64 62 60 60 59  
RH..............24 27 33 39 44 48 52 54 56 57 60 62  
SL/VL WIND DIR..W W SW SW SW SW SW SW SW SW SW SW  
SL/VL WIND SPD..13 13 12 12 12 10 10 10 9 9 9 8  
SL/VL WIND GUST.22 22 20 20 20 18 18 18 17 17 17 16  
RIDGE WIND DIR..W W SW SW SW SW SW SW SW SW SW SW  
RIDGE WIND SPD..14 14 15 15 15 12 12 12 12 12 12 10  
MIX HGT (KFT)...2.9 2.9 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.4  
TRANSP WIND DIR.W W SW SW SW SW SW SW SW SW SW SW  
TRANSP WIND SPD.14 14 15 15 15 12 12 12 12 12 12 10  
   
SATURDAY  
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....81-86.  
MIN HUMIDITY........25-30 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......SOUTHWEST WINDS 6 TO 9 MPH INCREASING TO 10  
TO 14 MPH IN THE AFTERNOON.  
RIDGETOP...........WEST-SOUTHWEST 9 TO 14 MPH.  
MIXING HEIGHT.......RISING TO AROUND 4100 FT AGL.  
TRANSPORT WINDS.....WEST-SOUTHWEST 9 TO 14 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 MCR MCR MCR MCR MCR MCR MCR MCR MCR MCR 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............58 60 63 67 71 75 78 81 82 84 84 82  
RH..............63 59 52 46 39 34 31 29 28 27 27 28  
SL/VL WIND DIR..SW SW SW SW SW SW SW SW SW SW SW SW  
SL/VL WIND SPD..8 8 9 9 9 9 9 9 10 10 10 14  
SL/VL WIND GUST.16 16 15 15 15 15 15 15 17 17 17 22  
RIDGE WIND DIR..SW SW SW SW SW W W W W W W SW  
RIDGE WIND SPD..10 10 10 10 10 9 9 9 10 10 10 14  
MIX HGT (KFT)...0.4 0.4 1.4 1.4 1.4 2.8 2.8 2.8 4.1 4.1 4.1 4.0  
TRANSP WIND DIR.SW SW SW SW SW W W W W W W SW  
TRANSP WIND SPD.10 10 10 10 10 9 9 9 10 10 10 14  
   
FORECAST DAYS 3 THROUGH 5  
   
SUNDAY  
 
CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE MID 80S. SOUTHWEST  
WINDS AROUND 6 MPH, THEN UP TO 14 MPH IN THE AFTERNOON.    
MONDAY  
 
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE EVENING. LOWS IN THE  
LOWER 50S. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND 9 MPH,  
THEN UP TO 15 MPH IN THE AFTERNOON.    
TUESDAY  
 
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN. LOWS IN THE LOWER 50S.  
HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND 8 MPH, THEN UP  
TO 14 MPH IN THE AFTERNOON.  
 
 
FORECASTER...NR  
REQUESTED BY...JOEL BURKE  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2614618.4/STO  
.DELDT 06/05/26  
.FORMATTERVERSION 2.0.0  
.EMAIL JOELBURKE@COSUMNESCSD.GOV  
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