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.

Fair

86°F

30°C

Humidity 65%
Wind Speed W 9 mph
Barometer 29.78 in (1008.4 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 6 Sep 11:53 am HST
Extended Forecast for

7 Miles SSW Kapaau HI

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

    NOW until 6:00pm Tue

    Flood Watch

  • This Afternoon

    High: 88 °F

    Heavy Rain
    and Breezy

  • Tonight

    Tonight: Occasional showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 73. Breezy, with an east wind 10 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 73 °F

    Heavy Rain
    and Breezy

  • Labor Day

    Labor Day: Frequent showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 88. East wind 8 to 13 mph becoming light east southeast in the afternoon. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Heavy Rain

  • Monday Night

    Monday Night: Showers likely. The rain could be heavy at times. Mostly cloudy, with a low around 74. Light and variable wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 74 °F

    Heavy Rain

  • Tuesday

    Tuesday: Scattered showers, with thunderstorms also possible after noon. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 89. Calm wind. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 89 °F

    Heavy Rain

  • Tuesday Night

    Tuesday Night: Showers likely, mainly before midnight. Mostly cloudy, with a low around 74. Light east northeast wind becoming east 5 to 10 mph after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 74 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Scattered showers after noon. Mostly sunny, with a high near 88. East wind 10 to 13 mph. Chance of precipitation is 40%.

    High: 88 °F

    Sunny then
    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Scattered showers, mainly before midnight. Mostly cloudy, with a low around 72. Breezy, with an east wind 13 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.

    Low: 72 °F

    Scattered
    Showers then
    Isolated
    Showers and
    Breezy

Detailed Forecast

This Afternoon
Frequent showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 88. Breezy, with an east wind 8 to 15 mph, with gusts as high as 21 mph. 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 73. Breezy, with an east wind 10 to 16 mph, with gusts as high as 22 mph. 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 88. East wind 8 to 13 mph becoming light east southeast in the afternoon. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
Showers likely. The rain could be heavy at times. Mostly cloudy, with a low around 74. Light and variable wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Scattered showers, with thunderstorms also possible after noon. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 89. Calm wind. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 74. Light east northeast wind becoming east 5 to 10 mph after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Scattered showers after noon. Mostly sunny, with a high near 88. East wind 10 to 13 mph. Chance of precipitation is 40%.
Wednesday Night
Scattered showers, mainly before midnight. Mostly cloudy, with a low around 72. Breezy, with an east wind 13 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.
Thursday
Sunny, with a high near 86. Breezy, with an east northeast wind 11 to 15 mph, with gusts as high as 21 mph.
Thursday Night
Isolated showers before midnight. Mostly clear, with a low around 71. East wind 9 to 11 mph. Chance of precipitation is 20%.
Friday
Sunny, with a high near 86. East wind around 11 mph.
Friday Night
Mostly clear, with a low around 71. East wind around 11 mph.
Saturday
Isolated showers. Sunny, with a high near 86. East wind 8 to 10 mph. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles SSW Kapaau HI
 20.15°N 155.85°W (Elev. 1217 ft)
Last Update:
6:01 am HST Sep 6, 2026
Forecast Valid:
12pm HST Sep 6, 2026-6pm HST Sep 12, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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National Digital Forecast Database Maximum Temperature Forecast

High Temperature

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Chance of Precipitation