National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Impacts from Lowell to impact the islands through Tuesday

Lowell is expected to bring various impacts to all islands through Tuesday. High surf will continue through Monday night. Flooding will be possible Tuesday, and there is the possibility for some tornadoes/waterspouts through Monday night. Hurricane force winds are expected for Kauai and Niihau, with tropical storm force winds for Oahu, through Monday night. Read More >

Hazardous Weather Conditions

Current conditions at

Kahului, Kahului Airport (PHOG)

Lat: 20.89°NLon: 156.44°WElev: 52ft.

Partly Cloudy

84°F

29°C

Humidity 72%
Wind Speed SW 14 G 23 mph
Barometer 29.71 in (1006.2 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 7 Sep 6:26 pm HST
Extended Forecast for

Waihee-Waiehu HI

Flood Watch September 7, 06:53pm until September 8, 06:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch September 7, 06:53pm until September 8, 06:00pm

    NOW until 6:00pm Tue

    Flood Watch

  • Tonight

    Low: 78 °F

    Heavy Rain

  • Tuesday

    Tuesday: Showers likely. Mostly cloudy, with a high near 85. Breezy, with a south wind 17 to 22 mph decreasing to 7 to 12 mph in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 85 °F

    Showers
    Likely and
    Breezy

  • Tuesday Night

    Tuesday Night: Showers likely, mainly before midnight. Mostly cloudy, with a low around 77. South wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 77 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Scattered showers. Partly sunny, with a high near 84. Light east wind increasing to 5 to 9 mph in the afternoon. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 84 °F

    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Scattered showers, mainly before midnight. Mostly cloudy, with a low around 76. East wind 6 to 9 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 76 °F

    Scattered
    Showers

  • Thursday

    Thursday: Scattered showers. Partly sunny, with a high near 82. East wind 7 to 9 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 82 °F

    Scattered
    Showers

  • Thursday Night

    Thursday Night: Scattered showers. Mostly cloudy, with a low around 75. East wind around 8 mph. Chance of precipitation is 50%.

    Low: 75 °F

    Scattered
    Showers

  • Friday

    Friday: Scattered showers. Partly sunny, with a high near 81. East northeast wind around 9 mph. Chance of precipitation is 50%.

    High: 81 °F

    Scattered
    Showers

Detailed Forecast

Tonight
Frequent showers. The rain could be heavy at times. Low around 78. Light and variable wind becoming south 9 to 14 mph after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New precipitation amounts between 1 and 2 inches possible.
Tuesday
Showers likely. Mostly cloudy, with a high near 85. Breezy, with a south wind 17 to 22 mph decreasing to 7 to 12 mph in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 77. South wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Scattered showers. Partly sunny, with a high near 84. Light east wind increasing to 5 to 9 mph in the afternoon. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Scattered showers, mainly before midnight. Mostly cloudy, with a low around 76. East wind 6 to 9 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Scattered showers. Partly sunny, with a high near 82. East wind 7 to 9 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Scattered showers. Mostly cloudy, with a low around 75. East wind around 8 mph. Chance of precipitation is 50%.
Friday
Scattered showers. Partly sunny, with a high near 81. East northeast wind around 9 mph. Chance of precipitation is 50%.
Friday Night
Scattered showers, mainly before midnight. Partly cloudy, with a low around 74. East wind 5 to 8 mph. Chance of precipitation is 40%.
Saturday
Sunny, with a high near 81. East wind 6 to 9 mph.
Saturday Night
Isolated showers. Partly cloudy, with a low around 75. East wind 6 to 8 mph. Chance of precipitation is 20%.
Sunday
Isolated showers. Mostly sunny, with a high near 82. East wind 6 to 10 mph. Chance of precipitation is 20%.
Sunday Night
Scattered showers. Mostly cloudy, with a low around 76. East northeast wind around 9 mph. Chance of precipitation is 30%.
Monday
Isolated showers. Mostly sunny, with a high near 83. East northeast wind 6 to 8 mph. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Waihee-Waiehu HI
 20.91°N 156.5°W (Elev. 190 ft)
Last Update:
6:01 pm HST Sep 7, 2026
Forecast Valid:
6pm HST Sep 7, 2026-6pm HST Sep 14, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation