341  
FNUS75 KLKN 201140  
FWSLKN  
 
SPOT FORECAST FOR COTTONWOOD PEAK...BLM  
NATIONAL WEATHER SERVICE ELKO NV  
440 AM PDT WED AUG 20 2025  
 
FORECAST IS BASED ON FORECAST START TIME OF 0530 PDT ON AUGUST 20.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT NATIONAL WEATHER SERVICE ELKO IF YOU HAVE QUESTIONS  
OR CONCERNS WITH THIS FORECAST.  
 
...A HEAT ADVISORY IS IN EFFECT FROM 11 AM PDT FRIDAY MORNING  
UNTIL 8 PM PDT FRIDAY EVENING...  
   
DISCUSSION  
 
ELEVATED FIRE WEATHER CONDITIONS ARE EXPECTED THIS AFTERNOON AND  
THIS EVENING DUE TO SOUTHWEST TO WEST WIND GUSTS NEAR 25 MPH AND  
MINIMUM RELATIVE HUMIDITY VALUES AS LOW AS 9 PERCENT. A WARMING  
TREND IS ANTICIPATED THURSDAY AND FRIDAY. BY FRIDAY AFTERNOON,  
HIGH TEMPERATURES WILL BE SEVEN TO NINE DEGREES ABOVE NORMAL FOR  
THIS TIME OF YEAR. MONSOONAL MOISTURE WILL MOVE NORTHWARD INTO  
EASTERN NEVADA SUNDAY THROUGH TUESDAY, RESULTING IN THE LIKELIHOOD  
OF WETTING THUNDERSTORMS EACH AFTERNOON AND EVENING.  
   
TODAY  
 
SKY/WEATHER.........MOSTLY SUNNY (10-20 PERCENT). AREAS OF SMOKE  
THROUGH THE DAY.  
MAX TEMPERATURE.....85-88.  
MIN HUMIDITY........9-14 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST AND INCREASING  
TO 8-10 MPH THIS AFTERNOON. WIND GUSTS NEAR 25  
MPH THIS AFTERNOON.  
SLOPE/VALLEY.......LIGHT WINDS BECOMING SOUTHWEST AND INCREASING  
TO 9-11 MPH THIS AFTERNOON. WIND GUSTS NEAR 25  
MPH THIS AFTERNOON.  
CWR.................0 PERCENT.  
MIXING HEIGHT.......INCREASING TO AROUND 11700 FT AGL THIS  
AFTERNOON.  
TRANSPORT WINDS.....NORTH 4-6 MPH SHIFTING TO SOUTHWEST AND  
INCREASING TO 12-14 MPH THIS AFTERNOON.  
   
TONIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT). AREAS OF SMOKE  
THROUGH THE NIGHT.  
MIN TEMPERATURE.....55-58.  
MAX HUMIDITY........38-43 PERCENT.  
WIND (20 FT)........WEST WINDS 8-10 MPH THIS EVENING BECOMING  
NORTHWEST AND DECREASING TO 6-8 MPH OVERNIGHT.  
WIND GUSTS NEAR 25 MPH THIS EVENING.  
SLOPE/VALLEY.......WEST WINDS 9-11 MPH THIS EVENING BECOMING  
NORTHWEST AND DECREASING TO 7-9 MPH OVERNIGHT.  
WIND GUSTS NEAR 25 MPH THIS EVENING.  
CWR.................0 PERCENT.  
MIXING HEIGHT.......DECREASING TO 500 FT AGL OR LESS.  
TRANSPORT WINDS.....NORTHWEST 11-13 MPH.  
   
THURSDAY  
 
SKY/WEATHER.........MOSTLY SUNNY (10-20 PERCENT). AREAS OF SMOKE IN  
THE MORNING.  
MAX TEMPERATURE.....88-91.  
MIN HUMIDITY........10-15 PERCENT.  
WIND (20 FT)........NORTH 3-5 MPH.  
SLOPE/VALLEY.......NORTH WINDS 4-6 MPH.  
CWR.................0 PERCENT.  
MIXING HEIGHT.......INCREASING TO AROUND 11600 FT AGL IN THE  
AFTERNOON.  
TRANSPORT WINDS.....NORTHWEST 6-8 MPH.  
   
FORECAST DAYS 3 THROUGH 7  
   
FRIDAY  
 
PARTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS AROUND 90. EAST WINDS  
AROUND 9 MPH.    
SATURDAY  
 
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS  
IN THE MID 60S. HIGHS IN THE UPPER 80S. EAST WINDS AROUND 8 MPH.    
SUNDAY  
 
MOSTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE LOWER 80S. SOUTH  
WINDS AROUND 8 MPH.    
MONDAY  
 
MOSTLY CLOUDY. SHOWERS LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS.  
LOWS AROUND 60. HIGHS IN THE UPPER 70S.    
TUESDAY  
 
MOSTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE MID 70S.  
 
 
 
FORECASTER...SOUTH  
REQUESTED BY...MATTHEW MALESIC  
TYPE OF REQUEST...WILDFIRE  
.TAG 2520105.5/LKN  
.DELDT 08/20/25  
.FORMATTERVERSION 2.0.0  
.EMAIL MATTHEW.MALESIC@USDA.GOV  
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab NV Page
Main Text Page