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

Kailua / Kona, Keahole Airport (PHKO)

Lat: 19.74°NLon: 156.05°WElev: 43ft.

A Few Clouds

86°F

30°C

Humidity 67%
Wind Speed W 10 mph
Barometer 29.76 in (1007.8 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 6 Sep 12:53 pm HST
Extended Forecast for

Captain Cook HI

Flood Watch until September 8, 06:00pm
High Surf Advisory September 6, 01:07pm until September 8, 06:00am
Click here for hazard details and duration
Flood Watch
High Surf Advisory
  •  
    Flood Watch until September 8, 06:00pm
    High Surf Advisory September 6, 01:07pm until September 8, 06:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • This Afternoon

    High: 84 °F

    Heavy Rain

  • Tonight

    Tonight: Occasional showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 71. Calm wind. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 71 °F

    Heavy Rain

  • Labor Day

    Labor Day: Frequent showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 86. West wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 86 °F

    Heavy Rain

  • Monday Night

    Monday Night: Frequent showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 72. Light and variable wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 72 °F

    Heavy Rain

  • Tuesday

    Tuesday: Showers likely, with thunderstorms also possible after noon. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 87. South southwest wind 5 to 7 mph becoming calm in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 87 °F

    Heavy Rain

  • Tuesday Night

    Tuesday Night: Showers likely. Mostly cloudy, with a low around 72. Calm wind becoming north northwest around 6 mph after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 72 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely. Mostly cloudy, with a high near 84. North northwest wind around 6 mph becoming calm in the afternoon. Chance of precipitation is 70%.

    High: 84 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely, mainly before midnight. Mostly cloudy, with a low around 70. Light and variable wind. Chance of precipitation is 60%.

    Low: 70 °F

    Showers
    Likely then
    Scattered
    Showers

Detailed Forecast

This Afternoon
Frequent showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 84. West northwest wind 5 to 7 mph becoming calm. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Occasional showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 71. Calm wind. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Labor Day
Frequent showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 86. West wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Frequent showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 72. Light and variable wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers likely, with thunderstorms also possible after noon. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 87. South southwest wind 5 to 7 mph becoming calm in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 72. Calm wind becoming north northwest around 6 mph after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Showers likely. Mostly cloudy, with a high near 84. North northwest wind around 6 mph becoming calm in the afternoon. Chance of precipitation is 70%.
Wednesday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 70. Light and variable wind. Chance of precipitation is 60%.
Thursday
Scattered showers, mainly after noon. Mostly sunny, with a high near 82. Light and variable wind. Chance of precipitation is 30%.
Thursday Night
Scattered showers before midnight. Partly cloudy, with a low around 69. Calm wind becoming north northwest around 5 mph. Chance of precipitation is 30%.
Friday
Isolated showers. Sunny, with a high near 82. West wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 20%.
Friday Night
Scattered showers. Partly cloudy, with a low around 69. Light and variable wind. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 83. Light and variable wind.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Captain Cook HI
 19.48°N 155.9°W (Elev. 1040 ft)
Last Update:
6:01 am HST Sep 6, 2026
Forecast Valid:
1pm 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