322  
FNUS76 KSTO 072200  
FWSSTO  
 
SPOT FORECAST FOR BIG HILL 69...USFS  
NATIONAL WEATHER SERVICE SACRAMENTO CA  
300 PM PDT TUE OCT 7 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 0700 PDT ON OCTOBER 08.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
 
WARM AND DRY WEATHER WEATHER PREVAILS WEDNESDAY. LIGHT WINDS  
BECOMING CONTINUED SOUTHERLY FLOW WITH BREEZY SOUTHWEST WINDS  
EXPECTED INTO FRIDAY WITH STRONGEST WINDS DURING THE THURSDAY-  
FRIDAY AFTERNOON PERIODS AND OVER THE HIGHER TERRAIN. THIS PATTERN  
CHANGE WILL BRING COOLER WEATHER, BREEZIER ONSHORE FLOW, AND  
CHANCES FOR LIGHT PRECIPITATION, MAINLY OVER THE MOUNTAINS. FRIDAY  
HAS THE BEST CHANCES OF WETTING RAINS WITH 45-60% CHANCE OF  
SEEING 0.10" ON FRIDAY.  
   
WEDNESDAY  
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....58-62.  
MIN HUMIDITY........30-34 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......SOUTHWEST WINDS 5-10 MPH. GUSTS UP TO 15-20 MPH  
IN THE AFTERNOON.  
RIDGETOP...........SOUTHWEST WINDS 7 TO 11 MPH INCREASING UP TO 15  
TO 20 MPH BY THE AFTERNOON.  
MIXING HEIGHT.......6300 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST AROUND 17 MPH.  
CWR.................0 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
   
WEDNESDAY NIGHT  
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....40-44.  
MAX HUMIDITY........76-80 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......SOUTH WINDS 8 TO 12 MPH.  
RIDGETOP...........SOUTH AROUND 10 TO 15 MPH.  
MIXING HEIGHT.......0 FT AGL.  
TRANSPORT WINDS.....SOUTH AROUND 13 MPH.  
CWR.................0 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
   
THURSDAY  
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....49-53.  
MIN HUMIDITY........58-62 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......SOUTH WINDS 9 TO 15 MPH WITH GUSTS UP TO  
20-25 MPH.  
RIDGETOP...........SOUTH WINDS 12 TO 18 MPH INCREASING TO AROUND  
25 MPH IN THE AFTERNOON.  
MIXING HEIGHT.......3400 FT AGL.  
TRANSPORT WINDS.....SOUTH WINDS 20 TO 25 MPH.  
CWR.................2 PERCENT.  
CHANCE OF THUNDER...1 PERCENT.  
   
FORECAST DAYS 3 THROUGH 7  
   
FRIDAY  
 
PARTLY CLOUDY. CHANCE OF SHOWERS. LOWS IN THE UPPER 30S. HIGHS IN  
THE MID 40S. SOUTHWEST WINDS AROUND 15 MPH.    
SATURDAY  
 
PARTLY CLOUDY. SHOWERS AND SNOW SHOWERS LIKELY. LOWS IN THE MID  
30S. HIGHS IN THE MID 40S. WEST WINDS AROUND 10 MPH.    
SUNDAY  
 
MOSTLY CLEAR. LOWS IN THE LOWER 30S. HIGHS IN THE UPPER 40S. EAST  
WINDS AROUND 10 MPH.    
COLUMBUS DAY  
 
MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS. LOWS IN THE MID 30S. HIGHS  
IN THE LOWER 40S.    
TUESDAY  
 
MOSTLY CLOUDY. CHANCE OF SHOWERS AND SNOW SHOWERS. LOWS IN THE  
LOWER 30S. HIGHS IN THE MID 40S.  
   
OUTLOOK FOR WEDNESDAY OCTOBER 15 THROUGH TUESDAY OCTOBER 21  
 
FORECASTS SHOW UNSETTLED WEATHER CONTINUING NEXT WEEK WITH DAILY  
CHANCES FOR MOUNTAIN SHOWERS PROVIDING WETTING RAINS AND BREEZY  
WINDS.  
 
 
FORECASTER...DA  
REQUESTED BY...CHRIS ENRIQUEZ  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2522031.12/STO  
.DELDT 10/07/25  
.FORMATTERVERSION 2.0.0  
.EMAIL CHRISTIAN.ENRIQUEZ@USDA.GOV  
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