608  
FNUS52 KKEY 290831  
FWFKEY  
 
FIRE WEATHER PLANNING FORECAST FOR THE FLORIDA KEYS  
NATIONAL WEATHER SERVICE KEY WEST FL  
431 AM EDT THU MAY 29 2025  
   
DISCUSSION  
 
GENTLE TO MODERATE SOUTHEAST BREEZES, OCCASIONALLY EAST TO  
SOUTHEAST, ARE EXPECTED TO CONTINUE THROUGH FRIDAY AS HIGH  
PRESSURE REMAINS OVER THE WESTERN NORTH ATLANTIC. THIS RIDGE WILL  
BEGIN TO BREAK DOWN FRIDAY AS A LOW PRESSURE CENTER DEVELOPS OVER  
THE DELMARVA REGION SENDING A COLD FRONT SOUTHEASTWARD OFF THE  
SOUTHEAST U.S. COASTLINE. THIS WILL LEAD TO SOUTHEAST TO SOUTH  
BREEZES SHIFTING TO THE SOUTH TO SOUTHWEST WHILE SLACKENING.  
MOISTURE CONTINUES TO REMAIN BELOW NORMAL LEVEL THROUGH FRIDAY  
KEEPING SLIGHT CHANCES IN THE FORECAST AS THE SUMMER PATTERN  
REMAINS. MIN RH VALUES ARE EXPECTED TO BE IN THE LOWER 60S PERCENT  
FOR TODAY AND MID 60S PERCENT ON FRIDAY WITH GOOD RH RECOVERY  
OVERNIGHT INTO THE MID 80S PERCENT. IN ADDITION, A WETTER REGIME  
CONTINUES TO BECOME INCREASINGLY LIKELY OVER THE WEEKEND INTO  
EARLY NEXT WEEK WITH AN INCREASE IN COVERAGE AREA FOR SHOWERS AND  
THUNDERSTORMS.  
 
FLZ076>078-300115-  
MONROE UPPER KEYS-MONROE MIDDLE KEYS-MONROE LOWER KEYS-  
INCLUDING THE CITIES OF KEY LARGO, MARATHON, AND KEY WEST  
431 AM EDT THU MAY 29 2025  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLEAR MCLEAR MCLEAR  
CHANCE PRECIP (%) 10 10 10  
CHANCE OF THUNDER (%) 10 10 10  
WEATHER TYPE TSTMS TSTMS TSTMS  
MAX/MIN TEMP 90 82 91  
MIN/MAX RH % 64 84 62  
WIND 20FT AM (MPH) SE 8 SE 7  
WIND 20FT PM (MPH) SE 7 SE 7 S 5  
PRECIP DURATION 1 1 1  
PRECIP BEGIN 6 AM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING  
PRECIP AMOUNT 0.00 0.00 0.00  
MIXING HGT(FT-AGL) 3000 1700 3200  
TRANSPORT WND (MPH) SE 14 SE 15 S 10  
DISPERSION INDEX 48 11 36  
MAX LVORI 4 4 3  
 
REMARKS...NONE.  
 
 
   
FORECAST FOR DAYS 3 THROUGH 7  
   
FRIDAY NIGHT  
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE LOWER 80S. SOUTH WINDS AROUND 5 MPH.    
SATURDAY  
PARTLY SUNNY WITH A CHANCE OF THUNDERSTORMS AND A  
SLIGHT CHANCE OF SHOWERS. HIGHS IN THE UPPER 80S. SOUTHWEST WINDS  
AROUND 5 MPH.    
SATURDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE LOWER 80S. WEST WINDS AROUND 10 MPH.    
SUNDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE UPPER 80S. WEST WINDS AROUND 5 MPH.    
SUNDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS AROUND 80. WEST WINDS AROUND 5 MPH.    
MONDAY  
PARTLY SUNNY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE UPPER 80S. SOUTHWEST WINDS AROUND  
5 MPH.    
MONDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE UPPER 70S. LIGHT WINDS.    
TUESDAY  
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE UPPER 80S. SOUTHEAST WINDS AROUND  
5 MPH.    
TUESDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND A  
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 70S. EAST WINDS  
AROUND 5 MPH.    
WEDNESDAY  
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND A SLIGHT  
CHANCE OF THUNDERSTORMS. HIGHS IN THE UPPER 80S. EAST WINDS  
AROUND 5 MPH.  
 
 
 
MJV  
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