130  
FNUS76 KSTO 080951  
FWSSTO  
 
SPOT FORECAST FOR NEU NCORX FIRE...NEVADA COUNTY RESOURCE CONSERVATION DISTRICT  
NATIONAL WEATHER SERVICE SACRAMENTO CA  
251 AM PDT WED OCT 8 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 0700 PDT ON OCTOBER 08.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
 
DRY WEATHER CONTINUES THROUGH THURSDAY WITH NEAR NORMAL  
TEMPERATURES FOR TODAY. A PATTERN CHANGE WILL BRING INCREASING  
ONSHORE FLOW, WITH TEMPERATURES TRENDING TO AROUND 10 DEGREES  
BELOW NORMAL BY THURSDAY, ALONG WITH INCREASING HUMIDITY LEVELS.  
BREEZY SOUTHWEST WINDS ARE EXPECTED EACH AFTERNOON. TEMPERATURES  
WILL CONTINUE TO TREND COOLER FRIDAY INTO THE WEEKEND, ALONG WITH  
CHANCES FOR LIGHT RAIN SHOWERS.  
   
REST OF TODAY  
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....76-80.  
MIN HUMIDITY........35-39 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......NORTHEAST WINDS UP TO 6 MPH EARLY IN THE  
MORNING BECOMING LIGHT LATE MORNING, THEN  
BECOMING SOUTHWEST 4 TO 7 MPH WITH GUSTS TO 14  
MPH IN THE AFTERNOON.  
RIDGETOP...........EAST 6 TO 8 MPH SHIFTING TO THE SOUTH 10 TO 15  
MPH LATE IN THE MORNING INTO THE AFTERNOON.  
MIXING HEIGHT.......3900 FT AGL.  
TRANSPORT WINDS.....NORTHEAST AROUND 8 MPH SHIFTING TO THE SOUTH 10  
TO 15 MPH LATE IN THE MORNING.  
CWR.................0 PERCENT.  
CHANCE OF THUNDER...1 PERCENT.  
 
TIME (PDT) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM  
SKY COVER.......CLEAR CLEAR CLEAR CLEAR MCLEAR MCLEAR  
CWR.............0 0 0 0 0 0  
CHC OF THDR (%).0 0 0 0 0 0  
TEMP............55 61 73 76 75 72  
RH..............53 49 37 38 43 50  
SL/VL WIND......NE 6 NE 5 SW 3 SW 6 SW 6 S 6  
SL/VL WIND GUST.8 7 8 13 14 13  
RIDGETOP WIND...SW 10 SW 10 S 12 S 15 S 15 S 14  
MIX HGT (FT)....400 700 3200 3200 3900 2200  
TRANSPORT WIND..NE 8 E 6 S 10 S 10 S 15 S 13  
   
TONIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.  
MIN TEMPERATURE.....47-51.  
MAX HUMIDITY........98-100 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......SOUTH WINDS UP TO 6 MPH SHIFTING TO THE  
SOUTHEAST UP TO 5 MPH LATE IN THE EVENING, THEN  
BECOMING LIGHT IN THE LATE EVENING AND  
OVERNIGHT.  
RIDGETOP...........SOUTH 6 TO 13 MPH.  
MIXING HEIGHT.......600 FT AGL.  
TRANSPORT WINDS.....SOUTH 6 TO 13 MPH.  
CWR.................1 PERCENT.  
CHANCE OF THUNDER...1 PERCENT.  
 
TIME (PDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM  
SKY COVER.......MCLEAR CLEAR MCLEAR PCLDY PCLDY MCLDY  
CWR.............0 0 0 0 0 0  
CHC OF THDR (%).0 0 0 0 0 0  
TEMP............69 62 59 57 55 52  
RH..............54 74 85 93 97 99  
SL/VL WIND......S 6 S 5 SE 3 SE 3 SE 3 SE 3  
SL/VL WIND GUST.13 10 9 8 7 8  
RIDGETOP WIND...S 13 S 7 S 7 S 7 S 9 S 9  
MIX HGT (FT)....2200 600 600 800 800 800  
TRANSPORT WIND..S 13 S 7 S 7 S 7 S 9 S 9  
   
THURSDAY  
 
SKY/WEATHER.........PARTLY SUNNY THEN BECOMING SUNNY.  
MAX TEMPERATURE.....66-70.  
MIN HUMIDITY........54-58 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......LIGHT WINDS BECOMING SOUTHEAST UP TO 5 MPH  
EARLY IN THE MORNING, THEN SHIFTING TO THE  
SOUTHWEST 5 TO 6 MPH BY LATE IN THE MORNING  
WITH GUSTS TO 15 MPH IN THE AFTERNOON.  
RIDGETOP...........SOUTH 5 TO 9 MPH INCREASING TO 12 TO 16 MPH  
LATE IN THE AFTERNOON.  
MIXING HEIGHT.......4800 FT AGL.  
TRANSPORT WINDS.....SOUTH 6 TO 16 MPH DECREASING TO 5 TO 9 MPH  
LATE MORNING, THEN INCREASING TO 12 TO  
16 MPH LATE IN THE AFTERNOON.  
CWR.................1 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
 
TIME (PDT) 6 AM 9 AM NOON 3 PM  
SKY COVER.......MCLDY PCLDY MCLEAR CLEAR  
CWR.............0 0 0 0  
CHC OF THDR (%).0 0 0 0  
TEMP............51 54 64 68  
RH..............99 94 65 53  
SL/VL WIND......SE 3G8 SE 5G8 S 6G13 SW 6G15  
RIDGETOP WIND...S 6 S 5 S 9 SW 16  
MIX HGT (FT)....600 1200 3600 4800  
TRANSPORT WIND..S 6 S 5 S 9 S 16  
 
 
FORECASTER...EK  
REQUESTED BY...NATE ALCORN  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2522956.1/STO  
.DELDT 10/08/25  
.FORMATTERVERSION 2.0.0  
.EMAIL NATE.ALCORN@NCRCD.ORG  
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