781  
FNUS75 KREV 142346  
FWSREV  
 
SPOT FORECAST FOR RANCHO...TMFPD  
NATIONAL WEATHER SERVICE RENO NV  
446 PM PDT THU AUG 14 2025  
 
FORECAST IS BASED ON FORECAST START TIME OF 1700 PDT ON AUGUST 14.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL  
WEATHER SERVICE IN RENO.  
   
DISCUSSION
 
 
* DRY AND WARM CONDITIONS PREVAIL WITH AFTERNOON BREEZES AROUND 25  
MPH INTO THE WEEKEND.  
 
* AFTERNOON BREEZES ARE EXPECTED TO SLIGHTLY INCREASE IN SPEED THIS  
WEEKEND.  
 
* A COOLING TREND CONTINUES THROUGH THIS WEEKEND WITH IMPROVING  
OVERNIGHT RH RECOVERIES.  
   
REST OF TODAY
 
 
SKY/WEATHER.........CLEAR.  
TEMPERATURE.........81-85.  
RH..................8-13%  
20-FOOT WINDS.......WEST-NORTHWEST WINDS 15-20 MPH WITH GUSTS TO  
30 MPH.  
CHC WETTING RAIN....0%.  
CHANCE OF THUNDER...5%.  
MIXING HEIGHT.......9300 FT AGL.  
TRANSPORT WINDS.....WEST AROUND 20 MPH.  
VENTILATION.........EXCELLENT.  
 
TIME (PDT) 5 PM  
SKY (%).........4  
WEATHER COV.....  
WEATHER TYPE....NONE  
TSTM COV........  
CWR.............0  
CHC OF THDR (%).0  
TEMP............85  
RH..............13  
20 FT WIND......W 17G27  
EYE LEVEL WIND..W 15G25  
MX HT MSL (KFT).9.3  
TRANSPORT WIND..W 20  
VRATE KT-FT/1K..149  
VENTRATE CAT....EXNT  
   
TONIGHT
 
 
SKY/WEATHER.........CLEAR.  
TEMPERATURE.........MIN 54-58.  
RH..................MAX 42-44%.  
20-FOOT WINDS.......WEST-NORTHWEST WINDS 15-20 MPH WITH GUSTS TO  
30 MPH IN THE EVENING DECREASING TO 7-12 MPH  
IN THE LATE EVENING AND OVERNIGHT.  
CHC WETTING RAIN....0%.  
CHANCE OF THUNDER...0%.  
MIXING HEIGHT.......900-1400 FT AGL.  
TRANSPORT WINDS.....WEST 15-20 MPH SHIFTING TO THE NORTHWEST AROUND  
10 MPH AFTER 3 AM.  
VENTILATION.........EXCELLENT DECREASING TO MARGINAL IN THE  
LATE EVENING AND OVERNIGHT.  
 
TIME (PDT) 5 PM 8 PM 11 PM 2 AM  
SKY (%).........4 6 3 2  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE  
TSTM COV........  
CWR.............0 0 0 0  
CHC OF THDR (%).0 0 0 0  
TEMP............85 75 67 62  
RH..............13 25 34 40  
20 FT WIND......W 17G27 W 17G23 W 9G17 W 6G14  
EYE LEVEL WIND..W 15G25 W 15G21 W 8G15 W 5G12  
MX HT MSL (KFT).9.3 1.2 0.8 0.8  
TRANSPORT WIND..W 20 W 15 W 15 NW 10  
VRATE KT-FT/1K..149 16 9 7  
VENTRATE CAT....EXNT MRGL MRGL MRGL  
   
FRIDAY
 
 
SKY/WEATHER.........SUNNY.  
TEMPERATURE.........MAX 84-88.  
RH..................MIN 13-17%.  
20-FOOT WINDS.......NORTH-NORTHWEST WINDS 5-10 MPH EARLY BECOMING  
WEST 17-21 MPH WITH GUSTS TO 30 MPH IN THE LATE  
AFTERNOON AND EVENING.  
CHC WETTING RAIN....0%.  
CHANCE OF THUNDER...0%.  
MIXING HEIGHT.......10400-11400 FT AGL.  
TRANSPORT WINDS.....LIGHT WINDS BECOMING SOUTHWEST 10-15 MPH IN THE  
AFTERNOON.  
VENTILATION.........POOR TO VERY GOOD INCREASING TO EXCELLENT LATE  
IN THE AFTERNOON.  
 
TIME (PDT) 5 AM 8 AM 11 AM 2 PM 5 PM  
SKY (%).........4 1 2 8 8  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE  
TSTM COV........  
CWR.............0 0 0 0 0  
CHC OF THDR (%).0 0 1 1 0  
TEMP............58 62 76 84 85  
RH..............42 38 24 17  
20 FT WIND......W 6G10 NW 5G10 W 7G15 W 13G20 W 20G30  
EYE LEVEL WIND..W 4G6 NW 3G6 W 4G9 W 11G18 W 18G28  
MX HT MSL (KFT).0.8 2.8 9.2 12 11  
TRANSPORT WIND..NW 5 NW 5 SW 10 W 15 W20  
VRATE KT-FT/1K..5 17 74 142 142  
VENTRATE CAT....POOR MRGL VYGD EXNT EXNT  
 

 
FORECASTER...JOHNSTON  
REQUESTED BY...R. STULTS  
TYPE OF REQUEST...WILDFIRE  
.TAG 2519942.0/REV  
.DELDT 08/14/25  
.FORMATTERVERSION 2.0.0  
.EMAIL RSTULTS@TMFPD.US  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab NV Page
The Nexlab CA Page Main Text Page