FPHW60 PHFO 221317 SFPHFO State Forecast for Hawaii National Weather Service Honolulu HI 317 AM HST Sun Mar 22 2026 HIZ001-003-004-006-007-009>011-015>018-022-029>050-230415- Kauai-Oahu-Maui-Molokai-Lanai- 317 AM HST Sun Mar 22 2026 ...FLOOD WATCH FOR OAHU MOLOKAI LANAI KAHOOLAWE AND MAUI... .TODAY...Scattered showers and isolated thunderstorms windward and mountains. showers and isolated thunderstorms leeward. Locally heavy rainfall possible in the morning. Highs 77 to 82. Southwest winds around 15 mph shifting to the northeast in the afternoon. .TONIGHT...Mostly cloudy. Scattered showers. Lows 65 to 70. Variable winds to 15 mph becoming northeast around 15 mph after midnight. .MONDAY...Partly cloudy. Windward and mountains, scattered showers. Leeward, scattered showers during the day. Isolated showers at night. Highs 76 to 81. Lows 65 to 70. Northeast winds 15 to 20 mph. .TUESDAY...Partly cloudy. Isolated showers windward and mountains. Highs 76 to 81. Lows 64 to 69. Northeast winds 15 to 20 mph. .WEDNESDAY...Partly cloudy. Isolated showers windward and mountains. Highs 76 to 81. Lows 64 to 69. Northeast winds 15 to 20 mph. .THURSDAY...Partly cloudy. Isolated showers windward and mountains. Highs 76 to 81. Lows 64 to 69. Northeast winds around 15 mph. $$ HIZ023-026>028-051>054-230415- Big Island of Hawaii- 317 AM HST Sun Mar 22 2026 ...FLOOD WATCH FOR THE LOWER ELEVATIONS... ...WINTER STORM WARNING REMAINS UNTIL 6 PM HST THIS EVENING FOR BIG ISLAND SUMMITS... .TODAY...Cloudy. Showers and isolated thunderstorms. Locally heavy rainfall possible. Highs 79 to 84. South winds around 15 mph shifting to the west in the afternoon. Gusts up to 35 mph. .TONIGHT...Mostly cloudy. Windward, isolated thunderstorms in the evening. Showers through the night. Leeward, isolated thunderstorms in the evening. Scattered showers through the night. Locally heavy rainfall possible in the evening. Lows 66 to 71. Variable winds to 15 mph. .MONDAY...Mostly cloudy. Windward, occasional showers during the day, then scattered showers at night. Leeward, scattered showers during the day, then isolated showers at night. Highs 76 to 81. Lows 66 to 71. Variable winds to 15 mph. .TUESDAY...Partly cloudy. Scattered showers windward. Highs 78 to 83. Lows 67 to 72. Variable winds to 15 mph. .WEDNESDAY...Partly cloudy. Scattered showers windward. Highs 78 to 83. Lows 66 to 71. Variable winds to 15 mph. .THURSDAY...Mostly cloudy. Scattered showers windward. Highs 78 to 83. Lows 66 to 71. Northeast winds around 15 mph. $$