839  
FNUS76 KEKA 130822  
FWSEKA  
 
SPOT FORECAST FOR CMFC MCKINNON HILL 17/18...CULTURAL FIRE MANAGEMENT COUNCIL  
NATIONAL WEATHER SERVICE EUREKA CA  
122 AM PDT THU AUG 13 2026  
 
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
 
EXPECT CALM NIGHTS WITH INCREASING CHANCES FOR A MARINE LAYER  
SURGE UP THE VALLEY. AFTERNOONS WILL SEE POTENTIALLY FAVORABLE BURNING CONDITIONS,  
ESPECIALLY DUE TO THE S FACING ASPECT HEATING UP AND DRYING THE FUELS BY MIDDAY.  
WINDS WILL CONTINUE TO BE UPVALLEY WITH AFTERNOON GUSTS UP TO 20MPH TO BE EXPECTED.  
 
A VERY SMALL CHANCE OF AFTERNOON STORMS IS POSSIBLE IN THE KLAMATH RIVER BASIN. IF  
STORMS DUE FORM AND DIE UP VALLEY, WINDS HAVE A CHANCE TO FUNNEL DOWN THE BURN SITE  
WITH ERRATIC GUSTS UP TO 30MPH. THIS IS A VERY UNLIKELY, BUT NOT IMPOSSIBLE, CHANCE.  
   
REST OF TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING SUNNY THEN BECOMING  
PARTLY CLOUDY.  
CWR.................1 PERCENT.  
MAX TEMPERATURE.....AROUND 84.  
MIN HUMIDITY........47 PERCENT.  
WIND (20 FT)........VARIABLE 3 TO 7 MPH...BECOMING NORTHWEST 7 TO  
10 MPH LATE IN THE MORNING.  
MIXING HEIGHT.......1100-2400 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 3 TO 9MPH WEST AROUND 9 MPH LATE IN  
THE AFTERNOON.  
 
TIME (PDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........30 30 30 23 23 23 21 21 21 49  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0  
TEMP............56 56 63 71 75 76 78 78 77 79  
RH..............86 86 75 57 52 48 48 48 48 50  
20 FT WIND DIR..NW NW NW NW NW NW NW NW NW NW  
20 FT WIND SPD..3 3 3 8 8 8 9 9 9 9  
20 FT WIND GUST.5 5 5 12 12 12 15 15 15 14  
MIX HGT (KFT)...1.1 1.1 1.1 2.0 2.0 2.0 2.4 2.4 2.4 2.3  
TRANSP WIND DIR.NW NW NW W W W W W W W  
TRANSP WIND SPD.3 3 3 9 9 9 9 9 9 9  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY THEN  
BECOMING PARTLY CLOUDY THEN BECOMING MOSTLY  
CLOUDY. PATCHY SMOKE AFTER MIDNIGHT.  
CWR.................0 PERCENT.  
MIN TEMPERATURE.....AROUND 54.  
MAX HUMIDITY........92 PERCENT.  
WIND (20 FT)........NORTHWEST WINDS 6-10 MPH IN THE EVENING  
WITH GUSTS UP TO 20MPH BECOMING VARIABLE 2-4MPH,  
THEN...RETURNING TO NW AROUND 5 MPH EARLY IN  
THE MORNING.  
MIXING HEIGHT.......1100-2300 FT AGL.  
TRANSPORT WINDS.....WEST AROUND 9MPH NORTHWEST 3 TO 5 MPH LATE IN  
THE EVENING.  
 
TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........49 49 72 72 72 60 60 60 47 47 47 53  
WEATHER COV..... PTY PTY PTY  
WEATHER TYPE.... SMK SMK SMK SMK  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............74 72 68 60 59 58 57 56 56 55 55 55  
RH..............55 59 68 81 83 87 86 90 90 90 93 93  
20 FT WIND DIR..NW NW NW NW NW NW NW NW NW NW NW NW  
20 FT WIND SPD..9 9 5 5 5 3 3 3 2 2 2 5  
20 FT WIND GUST.18 16 10 8 8 5 5 5 3 3 3 7  
MIX HGT (KFT)...2.3 2.3 1.5 1.5 1.5 1.1 1.1 1.1 1.1 1.1 1.1 1.1  
TRANSP WIND DIR.W W W W W NW NW NW NW NW NW N  
TRANSP WIND SPD.9 9 9 9 9 3 3 3 3 3 3 5  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY THEN  
BECOMING SUNNY THEN BECOMING PARTLY CLOUDY.  
CWR.................0 PERCENT.  
MAX TEMPERATURE.....AROUND 80.  
MIN HUMIDITY........AROUND 52 PERCENT.  
WIND (20 FT)........NORTHWEST WINDS AROUND 5 MPH EARLY IN THE  
MORNING...BECOMING VARIABLE 2 TO 4 MPH,  
THEN...BECOMING WEST AROUND 6 MPH EARLY IN THE  
AFTERNOON.  
MIXING HEIGHT.......1100-2700 FT AGL.  
TRANSPORT WINDS.....NORTH AROUND 5MPH WEST 6 TO 7 MPH LATE IN THE  
MORNING.  
 
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........53 53 42 42 42 25 25 25 21 21 21 32  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............55 54 55 56 62 70 73 75 77 77 76 78  
RH..............93 93 90 90 78 61 55 55 52 54 54 54  
20 FT WIND DIR..NW NW N N N W W W W W W W  
20 FT WIND SPD..5 5 0 0 0 3 3 3 6 6 7 9  
20 FT WIND GUST.7 7 5 5 8 10 14 18 20  
MIX HGT (KFT)...1.1 1.1 1.1 1.1 1.1 2.2 2.2 2.2 2.7 2.7 2.7 2.5  
TRANSP WIND DIR.N N N N N W W W W W W W  
TRANSP WIND SPD.5 5 5 5 5 7 7 7 7 7 7 6  
 

 
FORECASTER...SCHMIEGEL  
REQUESTED BY...ELIZABETH AZZUZ  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2619580.0/EKA  
.DELDT 08/13/26  
.EMAIL CLAIRE@CULTURALFIRE.ORG,ELIZABETH@CULTURALFIRE.ORG  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab CA Page Main Text Page