FPHW60 PHFO 190113 SFPHFO State Forecast for Hawaii National Weather Service Honolulu HI 313 PM HST Wed Mar 18 2026 HIZ001-003-004-006-007-009>011-015>018-022-029>050-191615- Kauai-Oahu-Maui-Molokai-Lanai- 313 PM HST Wed Mar 18 2026 ...FLOOD WATCH FOR OAHU MOLOKAI LANAI KAHOOLAWE AND MAUI... .TONIGHT...Mostly cloudy. Isolated showers on Kauai. scattered showers Oahu and Maui County. Lows 67 to 72. Variable winds to 15 mph. .THURSDAY...Mostly cloudy. Windward and mountains, scattered showers in the morning. Showers likely in the afternoon. Leeward, isolated showers in the morning. Showers likely in the afternoon. Locally heavy rainfall possible in the afternoon. Highs 77 to 82. Southeast winds around 15 mph. .THURSDAY NIGHT...On Kauai, showers likely 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 67 to 72. Variable winds to 15 mph becoming south around 15 mph after midnight. .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. Southwest winds around 15 mph. .SATURDAY...Showers and isolated thunderstorms. Locally heavy rainfall possible. Highs 76 to 81. Lows 67 to 72. 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 showers likely at night. Locally heavy rainfall possible. Highs 77 to 82. Lows 66 to 71. Variable winds to 15 mph. .MONDAY...Mostly cloudy. Windward and mountains, showers likely during the day, then chance of showers at night. Leeward, showers likely during the day. Isolated showers at night. Highs 76 to 81. Lows 64 to 69. Northeast winds 15 to 20 mph. $$ HIZ023-026>028-051>054-191615- Big Island of Hawaii- 313 PM HST Wed Mar 18 2026 ...FLOOD WATCH FOR THE LOWER ELEVATIONS... ...WIND ADVISORY FOR BIG ISLAND SUMMITS... .TONIGHT...Showers likely windward. isolated showers leeward. Lows 68 to 73. Variable winds to 15 mph. .THURSDAY...Mostly cloudy. Windward, showers likely through the day. Leeward, isolated showers in the morning. Scattered showers in the afternoon. Locally heavy rainfall possible in the afternoon. Highs 78 to 83. Variable winds to 15 mph. .THURSDAY NIGHT...Mostly cloudy. Showers likely in the evening. Locally heavy rainfall possible in the evening. Lows 68 to 73. Southwest winds around 15 mph. .FRIDAY...Mostly cloudy. Showers likely during the day. Isolated thunderstorms. Isolated showers at night. Locally heavy rainfall possible. Highs 79 to 84. Lows 68 to 73. Southwest winds around 15 mph. .SATURDAY...Cloudy. Windward, isolated showers during the day. Isolated thunderstorms. Scattered showers at night. Leeward, showers likely and isolated thunderstorms. Locally heavy rainfall possible. Highs 79 to 84. Lows 68 to 73. Southwest winds around 15 mph. .SUNDAY...Cloudy. Windward, scattered showers and isolated thunderstorms during the day, then showers likely at night. Leeward, showers and isolated thunderstorms during the day, then showers likely at night. Locally heavy rainfall possible. Highs 79 to 84. Lows 67 to 72. Variable winds to 15 mph. .MONDAY...Cloudy. Showers likely during the day, then chance of showers at night. Highs 77 to 82. Lows 66 to 71. Variable winds to 15 mph. $$