665  
FNUS72 KKEY 110937  
FWSKEY  
 
SPOT FORECAST FOR BIG PINE KEY FIRE...USWFS  
NATIONAL WEATHER SERVICE KEY WEST FL  
537 AM EDT TUE AUG 11 2026  
 
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT OUR OFFICE AT (305) 295-1316 EXT 3, IF YOU HAVE QUESTIONS  
OR CONCERNS WITH THIS FORECAST.  
   
DISCUSSION
 
 
DRIER CONDITIONS EXPECTED TO CONTINUE OVER THE NEXT COUPLE OF  
DAYS, WITH SHOWER AND THUNDERSTORM CHANCES SLIGHT TO NONE. SKIES  
WILL BE MOSTLY CLEAR. WINDS WILL CONTINUE THEIR DOWNWARD TREND  
WITH GENTLE TO MODERATE THIS MORNING BECOMING LIGHT BY TOMORROW  
AFTERNOON. AS A RESULT, THE DISPERSION INDEX WILL TREND DOWNWARDS,  
WITH A PEAK OF AROUND 60 TODAY, A MINIMUM OF 5 OR LESS OVERNIGHT,  
AND PEAKING IN THE MID 30S TOMORROW. LVORI WILL BE AROUND 1  
TODAY, 3 TO 4 TONIGHT, AND 1 TO 2 TOMORROW.  
 
   
REST OF TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (10-20 PERCENT).  
CHANCE OF PCPN......10 PERCENT.  
CHANCE OF THUNDER...10 PERCENT.  
MAX TEMPERATURE.....AROUND 93.  
MIN HUMIDITY........60 PERCENT.  
EYE LEVEL WINDS.....EAST WINDS 6 TO 8 MPH.  
WIND (20 FT)........EAST WINDS 7 TO 9 MPH. GUSTY AND ERRATIC WINDS  
EXPECTED NEAR THUNDERSTORMS.  
 
TIME (EDT) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM  
SKY COVER.......MCLEAR MCLEAR MCLEAR MCLEAR MCLEAR MCLEAR  
WEATHER COV.....S CHC S CHC S CHC S CHC S CHC S CHC  
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR  
TSTM COV........S CHC S CHC S CHC S CHC S CHC S CHC  
CHC OF PCPN (%).10 10 10 10 10 10  
CHC OF THDR (%).10 10 10 10 10 10  
TEMP............84 89 92 93 92 91  
RH..............80 68 62 60 62 64  
20 FT WIND......E 12 E 10 E 10 E 10 E 9 E 9  
20 FT WIND GUST.16 14 14 14 13 13  
EYE LEVEL WIND..E 8 E 7 E 7 E 7 E 6 E 6  
EYE LVL WND GST.11 10 10 10 9 9  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT).  
CHANCE OF PCPN......10 PERCENT.  
CHANCE OF THUNDER...MISSING.  
MIN TEMPERATURE.....AROUND 84.  
MAX HUMIDITY........77 PERCENT.  
EYE LEVEL WINDS.....EAST WINDS 5 TO 6 MPH.  
WIND (20 FT)........EAST WINDS 6 TO 7 MPH. GUSTY AND ERRATIC WINDS  
EXPECTED NEAR THUNDERSTORMS.  
 
TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM  
SKY COVER.......MCLEAR MCLEAR MCLEAR MCLEAR MCLEAR MCLEAR  
WEATHER COV.....S CHC S CHC S CHC S CHC S CHC S CHC  
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR  
TSTM COV........S CHC S CHC S CHC S CHC S CHC S CHC  
CHC OF PCPN (%).10 10 10 10 10 10  
CHC OF THDR (%).10 10 10 10 10 10  
TEMP............91 87 86 86 86 85  
RH..............64 72 75 75 75 75  
20 FT WIND......E 9 E 9 E 9 E 8 E 7 E 7  
20 FT WIND GUST.13 13 13 12 9 9  
EYE LEVEL WIND..E 6 E 6 E 6 E 6 E 5 E 5  
EYE LVL WND GST.9 9 9 8 6 6  
   
WEDNESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (10-20 PERCENT).  
CHANCE OF PCPN......LESS THAN 10 PERCENT.  
CHANCE OF THUNDER...LESS THAN 10 PERCENT.  
MAX TEMPERATURE.....AROUND 93.  
MIN HUMIDITY........60 PERCENT.  
EYE LEVEL WINDS.....EAST WINDS AROUND 5 MPH DECREASING TO AROUND 4  
MPH LATE IN THE MORNING.  
WIND (20 FT)........EAST WINDS 5 TO 6 MPH IN THE MORNING BECOMING  
LIGHT. GUSTY AND ERRATIC WINDS EXPECTED NEAR  
THUNDERSTORMS EARLY IN THE MORNING.  
 
TIME (EDT) 6 AM 9 AM NOON 3 PM  
SKY COVER.......MCLEAR MCLEAR MCLEAR MCLEAR  
WEATHER COV.....S CHC  
WEATHER TYPE....RNSHWR NONE NONE NONE  
TSTM COV........S CHC  
CHC OF PCPN (%).<10 <10 <10 <10  
CHC OF THDR (%).<10 <10 <10 <10  
TEMP............84 89 91 92  
RH..............77 68 64 60  
20 FT WIND......E 7G9 E 7G9 E 5G7 E 5G7  
EYE LEVEL WIND..E 5G6 E 5G6 E 4G5 E 4G5  
 

 
FORECASTER...11  
REQUESTED BY...TIMOTHY HORTON  
TYPE OF REQUEST...WILDFIRE  
.TAG 2619198.3/KEY  
.DELDT 08/11/26  
.FORMATTERVERSION 2.0.0  
.EMAIL TIMOTHY_HORTON@FWS.GOV  
 
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