925  
FNUS76 KSTO 220946  
FWSSTO  
 
SPOT FORECAST FOR FRENCH MEADOWS MACHINE PILES...USFS  
NATIONAL WEATHER SERVICE SACRAMENTO CA  
146 AM PST SAT NOV 22 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 0700 PST ON NOVEMBER 22.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
 
DRY CONDITIONS ARE EXPECTED THROUGH THE WEEKEND, WITH SUNNY SKIES  
AND BREEZY CONDITIONS. GUSTS UP TO 25 MPH DURING THE MORNING, WITH  
SUSTAINED WINDS THROUGH THE DAY AT 12-20 MPH. 5-10 MPH WINDS  
WITHIN THE VALLEY. GUSTS UP TO 20 MPH OUTSIDE THE MORNING HOURS  
ARE POSSIBLE ON SATURDAY. WINDS WILL BE OUT OF THE EAST, AND  
DIMINISH SLIGHTLY OVERNIGHT TO 7-15 MPH. 5-10 MPH WINDS ON SUNDAY,  
WITH WIND DIRECTION OUT OF THE EAST IN THE MORNING SWITCHING  
TOWARD THE WEST IN THE AFTERNOON/EVENING. SUNNY CONDITIONS ONCE  
AGAIN ON SUNDAY, WITH MORNING LOWS IN THE UPPER 20S TO LOWER 30S.  
   
TODAY  
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....47-51.  
MIN HUMIDITY........57-61 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......EAST WINDS 5 TO 10 MPH. GUSTS UP TO 25 MPH IN  
THE MORNING.  
RIDGETOP...........EAST 12 TO 20 MPH.  
MIXING HEIGHT.......1800 FT AGL.  
TRANSPORT WINDS.....EAST 12 TO 20 MPH.  
CWR.................0 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
 
TIME (PST) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY COVER.......MCR MCR CLR CLR CLR CLR CLR CLR CLR CLR CLR  
CWR.............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  
TEMP............34 35 39 42 46 48 48 49 47 45 43  
RH..............79 80 77 71 63 59 59 59 63 70 74  
SL/VL WIND DIR..E E E E E E E E E E E  
SL/VL WIND SPD..10 10 10 9 8 7 6 6 6 6 6  
SL/VL WIND GUST.20 25 25 20 20 17 15 15 14 12 12  
RIDGE WIND DIR..E E E E E E E E E E E  
RIDGE WIND SPD..20 20 20 18 18 18 15 15 15 12 12  
MIX HGT (KFT)...1.3 1.3 1.3 1.8 1.8 1.8 1.7 1.7 1.7 1.1 1.1  
TRANSP WIND DIR.E E E E E E E E E E E  
TRANSP WIND SPD.20 20 20 18 18 18 15 15 15 12 12  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLEAR. AREAS OF FROST IN THE EVENING AND  
OVERNIGHT. WIDESPREAD FROST AFTER 3 AM.  
MIN TEMPERATURE.....29-33.  
MAX HUMIDITY........79-83 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......EAST WINDS 5 TO 7 MPH IN THE EVENING AND  
OVERNIGHT BECOMING LIGHT.  
RIDGETOP...........EAST 7 TO 13 MPH.  
MIXING HEIGHT.......900 FT AGL.  
TRANSPORT WINDS.....EAST 7 TO 13 MPH.  
CWR.................0 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
 
TIME (PST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY COVER.......CLR 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............39 37 36 35 35 35 35 35 35 34 33 32  
RH..............80 81 81 80 79 78 77 76 76 76 76 75  
SL/VL WIND DIR..E E E E E E E E E E E E  
SL/VL WIND SPD..6 7 7 7 7 7 7 6 6 6 3 3  
SL/VL WIND GUST.12 15 15 15 14 14 14 10 10 10 7 7  
RIDGE WIND DIR..E E E E E E E E E E E E  
RIDGE WIND SPD..12 13 13 13 10 10 10 8 8 8 7 7  
MIX HGT (KFT)...1.1 0.9 0.9 0.9 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0  
TRANSP WIND DIR.E E E E E E E E E E E E  
TRANSP WIND SPD.12 13 13 13 10 10 10 8 8 8 7 7  
   
SUNDAY  
 
SKY/WEATHER.........SUNNY. WIDESPREAD FROST EARLY IN THE MORNING.  
MAX TEMPERATURE.....51-55.  
MIN HUMIDITY........50-54 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......LIGHT WINDS.  
RIDGETOP...........EAST 6 TO 7 MPH SHIFTING TO THE WEST 7 TO 10  
MPH IN THE LATE MORNING AND AFTERNOON.  
MIXING HEIGHT.......2800 FT AGL.  
TRANSPORT WINDS.....EAST AROUND 7 MPH DECREASING TO AROUND 6 MPH  
EARLY IN THE MORNING, THEN SHIFTING TO THE WEST  
7 TO 10 MPH IN THE LATE MORNING AND AFTERNOON.  
CWR.................0 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
 
TIME (PST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY COVER.......MCR MCR MCR MCR CLR CLR CLR 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............31 32 36 40 45 48 50 51 51 50 48 44  
RH..............73 70 67 64 61 57 53 53 59 68 76 78  
SL/VL WIND DIR..E E E E SW SW SW W W W SW SW  
SL/VL WIND SPD..3 3 3 3 2 2 2 3 3 3 3 3  
SL/VL WIND GUST.7 6 6 6 6 6 6 9 9 9 7 7  
RIDGE WIND DIR..E E E E W W W W W W W W  
RIDGE WIND SPD..7 6 6 6 7 7 7 10 10 10 8 8  
MIX HGT (KFT)...1.0 1.0 1.0 1.0 1.9 1.9 1.9 2.8 2.8 2.8 1.4 1.4  
TRANSP WIND DIR.E E E E W W W W W W W W  
TRANSP WIND SPD.7 6 6 6 7 7 7 10 10 10 8 8  
 
 
FORECASTER...IDS  
REQUESTED BY...TAHOE / AMERICAN RIVER  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2526396.2/STO  
.DELDT 11/22/25  
.FORMATTERVERSION 2.0.0  
.EMAIL JEREMY.HIERONIMUS@USDA.GOV,BRIAN.CRAWFORD@USDA.GOV,MATTHEW.RADTKE@USDA.GOV,MIKE.DUROCHER@USDA.GOV  
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