242  
FPHW60 PHFO 181315  
SFPHFO  
 
STATE FORECAST FOR HAWAII  
NATIONAL WEATHER SERVICE HONOLULU HI  
315 AM HST FRI APR 18 2025  
 
HIZ001-003-004-006-007-009>011-015>018-022-029>050-190430-  
KAUAI-OAHU-MAUI-MOLOKAI-LANAI-  
315 AM HST FRI APR 18 2025  
   
TODAY AND TONIGHT
 
MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORM  
WITH LOCALLY HEAVY SHOWERS POSSIBLE. NUMEROUS SHOWERS WINDWARD  
AND MOUNTAINS. SCATTERED SHOWERS LEEWARD BECOMING ISOLATED SHOWERS  
AFTER MIDNIGHT. HIGHS 78 TO 83. LOWS 67 TO 72. VARIABLE WINDS  
AROUND 15 MPH OR LESS BECOMING EAST WINDS 15 MPH SATURDAY..   
SATURDAY AND SUNDAY
 
MOSTLY CLOUDY. WINDWARD AND MOUNTAINS,  
NUMEROUS SHOWERS. LEEWARD, SCATTERED SHOWERS DURING THE DAY.  
ISOLATED SHOWERS AT NIGHT. HIGHS 80 TO 85. LOWS 67 TO 72. EAST  
WINDS AROUND 15 MPH.    
MONDAY
 
MOSTLY CLOUDY. WINDWARD AND MOUNTAINS, NUMEROUS  
SHOWERS. LEEWARD, SCATTERED SHOWERS DURING THE DAY, THEN ISOLATED  
SHOWERS AT NIGHT. HIGHS 79 TO 84. LOWS 66 TO 71. EAST WINDS  
AROUND 15 MPH, BECOMING VARIABLE AROUND KAUAI 15 MPH OR LESS.    
TUESDAY
 
MOSTLY CLOUDY. WINDWARD AND MOUNTAINS, NUMEROUS  
SHOWERS. LEEWARD, SCATTERED SHOWERS DURING THE DAY, THEN NUMEROUS  
SHOWERS AT NIGHT. HIGHS 79 TO 84. LOWS 66 TO 71. SOUTH WINDS UP TO  
15 MPH.  
 

 
 
HIZ023-026>028-051>054-190430-  
BIG ISLAND OF HAWAII-  
315 AM HST FRI APR 18 2025  
 
...WINTER WEATHER ADVISORY NOW UNTIL 6 AM HST SATURDAY FOR BIG  
ISLAND SUMMITS...  
   
TODAY
 
MOSTLY CLOUDY. WINDWARD, NUMEROUS SHOWERS AND SLIGHT  
CHANCE OF THUNDERSTORMS. LEEWARD, SCATTERED SHOWERS IN THE  
MORNING. SLIGHT CHANCE OF THUNDERSTORMS THROUGH THE DAY. NUMEROUS  
SHOWERS IN THE AFTERNOON. LOCALLY HEAVY RAINFALL POSSIBLE. HIGHS  
80 TO 85. SOUTHEAST WINDS AROUND 15 MPH.    
TONIGHT
 
WINDWARD, MOSTLY CLOUDY, SLIGHT CHANCE OF  
THUNDERSTORMS EARLY EVENING WITH LOCALLY HEAVY RAINFALL POSSIBLE.  
OCCASIONAL SHOWERS THROUGH THE NIGHT. LEEWARD, MOSTLY CLOUDY IN  
THE EVENING THEN CLEARING, NUMEROUS SHOWERS THEN ISOLATED SHOWERS  
AFTER MIDNIGHT. LOWS 66 TO 71. VARIABLE WINDS TO 15 MPH.    
SATURDAY AND SUNDAY
 
MOSTLY CLOUDY. WINDWARD, NUMEROUS SHOWERS  
AND SLIGHT CHANCE OF THUNDERSTORMS DURING THE DAY, THEN OCCASIONAL  
SHOWERS AT NIGHT. LEEWARD, SCATTERED SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS DURING THE DAY. ISOLATED SHOWERS AT NIGHT. HIGHS 81  
TO 86. LOWS 66 TO 71. EAST WINDS TO 15 MPH.    
MONDAY
 
MOSTLY CLOUDY. WINDWARD, NUMEROUS SHOWERS. LEEWARD,  
SCATTERED SHOWERS DURING THE DAY, THEN ISOLATED SHOWERS AT NIGHT.  
HIGHS 81 TO 86. LOWS 66 TO 71. VARIABLE WINDS TO 15 MPH.   
TUESDAY
 
MOSTLY CLOUDY. WINDWARD, NUMEROUS SHOWERS DURING THE  
DAY, THEN SCATTERED SHOWERS AT NIGHT. LEEWARD, SCATTERED SHOWERS  
DURING THE DAY, THEN ISOLATED SHOWERS AT NIGHT. HIGHS 80 TO 85.  
LOWS 66 TO 71. SOUTHEAST WINDS TO 15 MPH.  
 

 
 
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