FPHW60 PHFO 191324 SFPHFO State Forecast for Hawaii National Weather Service Honolulu HI 324 AM HST Thu Mar 19 2026 HIZ001-003-004-006-007-009>011-015>018-022-029>050-200415- Kauai-Oahu-Maui-Molokai-Lanai- 324 AM HST Thu Mar 19 2026 ...FLOOD WATCH FOR OAHU MOLOKAI LANAI KAHOOLAWE AND MAUI... .TODAY...Mostly cloudy. Scattered showers in the morning, then numerous showers in the afternoon. Highs 77 to 82. Variable winds to 15 mph. .TONIGHT...On Kauai, numerous showers in the evening. Isolated thunderstorms through the night. Scattered showers after midnight. Oahu and Maui County, showers and isolated thunderstorms. Locally heavy rainfall possible. Lows 68 to 73. Variable winds to 15 mph. .FRIDAY...On Kauai, scattered showers during the day. Isolated thunderstorms. Showers likely at night. Oahu and Maui County, showers and isolated thunderstorms. Locally heavy rainfall possible. Highs 77 to 82. Lows 67 to 72. South winds around 15 mph. .SATURDAY...Showers and isolated thunderstorms. Locally heavy rainfall possible. Highs 76 to 81. Lows 65 to 70. Southwest winds 15 to 20 mph. .SUNDAY...Mostly cloudy. On Kauai, isolated thunderstorms during the day. Isolated showers. Oahu and Maui County, showers and isolated thunderstorms during the day, then numerous showers at night. Locally heavy rainfall possible. Highs 77 to 82. Lows 65 to 70. North winds 15 to 20 mph. .MONDAY...Mostly cloudy. Windward and mountains, scattered showers. Leeward, scattered showers during the day. Isolated showers at night. Highs 75 to 80. Lows 63 to 68. Northeast winds 15 to 20 mph. $$ HIZ023-026>028-051>054-200415- Big Island of Hawaii- 324 AM HST Thu Mar 19 2026 ...FLOOD WATCH FOR THE LOWER ELEVATIONS... .TODAY...Windward, showers. Leeward, scattered showers in the morning, then numerous showers in the afternoon. Highs 78 to 83. South winds around 15 mph. .TONIGHT...Mostly cloudy. Leeward, numerous showers in the evening. Windward, scattered showers. Lows 67 to 72. Variable winds to 15 mph becoming southwest around 15 mph. .FRIDAY...Mostly cloudy. Showers likely during the day. Isolated thunderstorms. Isolated showers at night. Locally heavy rainfall possible. Highs 79 to 84. Lows 68 to 73. Southwest winds 15 to 20 mph with gusts to 50 mph. .SATURDAY...Cloudy, windy. Windward, isolated showers during the day. Isolated thunderstorms. Scattered showers at night. Leeward, showers likely and isolated thunderstorms. Locally heavy rainfall possible. Highs 79 to 84. Lows 67 to 72. Southwest winds 20 to 35 mph. .SUNDAY...Cloudy, windy. Windward, scattered showers and isolated thunderstorms during the day, then numerous showers at night. Leeward, showers and isolated thunderstorms during the day, then numerous showers at night. Locally heavy rainfall possible. Highs 78 to 83. Lows 65 to 70. Southwest winds 20 to 35 mph. .MONDAY...Cloudy. Windward, showers during the day, then scattered showers at night. Leeward, numerous showers during the day, then scattered showers at night. Highs 77 to 82. Lows 66 to 71. North winds around 15 mph. $$