031  
FNUS76 KEKA 052107  
FWSEKA  
 
SPOT FORECAST FOR BUTLER...USFS SRF  
NATIONAL WEATHER SERVICE EUREKA CA  
207 PM PDT SAT JUL 5 2025  
 
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
IF YOU HAVE QUESTIONS OR CONCERNS REGARDING THIS FORECAST, PLEASE  
CONTACT OUR OFFICE AT (707) 443-6484  
 
PLEASE DO NOT RESPOND DIRECTLY IF YOU HAVE RECEIVED THIS IN AN EMAIL.  
   
DISCUSSION
 
HIGH PRESSURE CONTINUES TO BUILD IN BRINGING WARMING AND  
DRYING CONDITIONS TO THE SITE. RH RECOVERIES WILL BE MODERATE ON THE  
RIDGES, BUT ARE EXPECTED TO BE BETTER IN THE VALLEYS. AN UPPER LOW BRINGS A  
SLIGHT CHANCE (15% OR LESS) FOR DRY THUNDERSTORMS MONDAY AND AGAIN ON  
WEDNESDAY. THE STORMS MAY STAY NORTH AND EAST OF THE AREA THERE IS  
QUITE A BIT OF UNCERTAINTY ON THE EXACT LOCATION. EVEN IF THE STORMS  
REMAIN AWAY FROM THE SITE THERE MAY STILL BE BETTER VENTILATION.  
   
TONIGHT
 
 
SKY/WEATHER.........CLEAR.  
CWR.................0 PERCENT.  
MIN TEMPERATURE.....AROUND 55.  
MAX HUMIDITY........AROUND 60 PERCENT.  
WIND (20 FT)........WEST WINDS 7 TO 10 MPH IN THE  
EVENING...BECOMING VARIABLE 3 TO 6 MPH,  
THEN...BECOMING NORTHEAST 5 TO 7 MPH AFTER  
MIDNIGHT.  
MIXING HEIGHT.......2500 FT AGL DECREASING TO 0-200 FT AGL EARLY IN  
THE EVENING.  
TRANSPORT WINDS.....WEST AROUND 10 MPH BECOMING NORTHEAST AROUND  
6 MPH LATE IN THE EVENING.  
 
TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........3 3 7 7 7 3 3 3 2 2 2 1  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............71 70 69 65 63 62 61 60 59 57 56 55  
RH..............44 43 44 49 50 50 54 53 54 55 56 56  
20 FT WIND DIR..W W W W W NE NE NE E E E E  
20 FT WIND SPD..10 10 7 7 7 3 3 3 5 5 6 5  
20 FT WIND GUST.16 14 12 12 12 6 6 6 9 9 9 9  
MIX HGT (KFT)...2.4 1.8 1.2 1.0 0.8 0.6 0.4 0.3 0.2 0.1 0.1 0.1  
TRANSP WIND DIR.W W W W W NE NE NE NE NE NE E  
TRANSP WIND SPD.10 10 10 10 10 6 6 6 6 6 6 6  
   
SUNDAY
 
 
SKY/WEATHER.........SUNNY.  
CWR.................0 PERCENT.  
MAX TEMPERATURE.....AROUND 85.  
MIN HUMIDITY........20 TO 25 PERCENT.  
WIND (20 FT)........SOUTHEAST WINDS AROUND 5 MPH EARLY IN THE  
MORNING...BECOMING VARIABLE 2 TO 5 MPH,  
THEN...BECOMING NORTHWEST 6 TO 9 MPH.  
MIXING HEIGHT.......0-1000 FT AGL INCREASING TO 3500-4000 FT AGL  
LATE IN THE MORNING.  
TRANSPORT WINDS.....NORTHEAST AROUND 6 MPH BECOMING NORTHWEST  
AROUND 9 MPH IN THE AFTERNOON.  
 
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........1 1 4 4 4 1 1 1 2 2 2 2  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............55 59 63 65 69 73 77 80 82 84 85 84  
RH..............55 50 45 44 41 35 33 28 25 23 26 28  
20 FT WIND DIR..SE SE E E E N N N NW NW NW W  
20 FT WIND SPD..5 5 3 3 3 5 5 5 6 6 6 8  
20 FT WIND GUST.9 9 7 7 7 9 9 9 15 15 15 15  
MIX HGT (KFT)...0.1 0.1 1.0 1.2 1.4 2.0 2.4 2.9 3.3 3.5 3.5 3.2  
TRANSP WIND DIR.E E E E E S S S S S S NW  
TRANSP WIND SPD.6 6 6 6 6 6 6 6 6 6 6 9  
 

 
FORECASTER...KIDWELL  
REQUESTED BY...JOEL BERG  
TYPE OF REQUEST...WILDFIRE  
.TAG 2517330.1/EKA  
.DELDT 07/05/25  
.EMAIL JOEL.BERG@USDA.GOV  
 
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