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 as showers and thunderstorms develop Sunday night through Tuesday, and there is the possibility for some tornadoes/waterspouts Monday and Monday night. Tropical storm force winds are expected to reach Kauai and Niihau late Monday 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 and Breezy

86°F

30°C

Humidity 63%
Wind Speed NE 21 G 30 mph
Barometer 29.80 in (1009.5 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 6 Sep 11:54 am HST
Extended Forecast for

Lahaina HI

Flood Watch September 6, 12:00pm until September 8, 06:00pm
High Surf Advisory September 6, 11:59am until September 8, 06:00am
Click here for hazard details and duration
Flood Watch
High Surf Advisory
  •  
    High Surf Advisory September 6, 11:59am until September 8, 06:00am

    NOW until 6:00am Tue

    High Surf Advisory

  • Today

    High: 84 °F

    Showers

  • Tonight

    Tonight: Occasional showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 78. Calm wind becoming east around 6 mph after midnight. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 78 °F

    Heavy Rain

  • Labor Day

    Labor Day: Frequent showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 86. Light and variable wind becoming east 5 to 7 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 86 °F

    Heavy Rain

  • Monday Night

    Monday Night: Frequent showers. The rain could be heavy at times. Low around 79. Light and variable wind becoming south 5 to 10 mph after midnight. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

    Low: 79 °F

    Heavy Rain

  • Tuesday

    Tuesday: Showers likely. Mostly cloudy, with a high near 86. South wind 6 to 10 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 86 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely, mainly after midnight. Mostly cloudy, with a low around 79. South southeast wind around 6 mph becoming calm. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 79 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Scattered showers. Partly sunny, with a high near 85. East northeast wind 6 to 8 mph. Chance of precipitation is 40%.

    High: 85 °F

    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Scattered showers. Mostly cloudy, with a low around 77. East northeast wind around 9 mph. Chance of precipitation is 40%.

    Low: 77 °F

    Scattered
    Showers

Detailed Forecast

Today
Frequent showers after noon. High near 84. Light and variable wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Occasional showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 78. Calm wind becoming east around 6 mph after midnight. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Labor Day
Frequent showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 86. Light and variable wind becoming east 5 to 7 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Frequent showers. The rain could be heavy at times. Low around 79. Light and variable wind becoming south 5 to 10 mph after midnight. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
Tuesday
Showers likely. Mostly cloudy, with a high near 86. South wind 6 to 10 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Showers likely, mainly after midnight. Mostly cloudy, with a low around 79. South southeast wind around 6 mph becoming calm. 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 85. East northeast wind 6 to 8 mph. Chance of precipitation is 40%.
Wednesday Night
Scattered showers. Mostly cloudy, with a low around 77. East northeast wind around 9 mph. Chance of precipitation is 40%.
Thursday
Sunny, with a high near 84. East northeast wind around 9 mph.
Thursday Night
Mostly clear, with a low around 76. East northeast wind 6 to 9 mph.
Friday
Sunny, with a high near 84. East northeast wind 6 to 9 mph.
Friday Night
Mostly clear, with a low around 76. East northeast wind 7 to 9 mph.
Saturday
Sunny, with a high near 84. East northeast wind 7 to 10 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lahaina HI
 20.89°N 156.69°W (Elev. 0 ft)
Last Update:
6:01 am HST Sep 6, 2026
Forecast Valid:
11am HST Sep 6, 2026-6pm HST Sep 12, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation