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

Bradshaw Army Air Field / Hawaii (PHSF)

Lat: 19.76°NLon: 155.55°WElev: 6138ft.

Thunderstorm in Vicinity Light Rain

66°F

19°C

Humidity 85%
Wind Speed W 7 mph
Barometer 30.15 in (1009.1 mb)
Dewpoint 62°F (17°C)
Visibility 5.00 mi
Last update 6 Sep 2:55 pm HST
Extended Forecast for

Waimea HI

Flood Watch until September 8, 06:00pm
High Surf Advisory September 6, 04:03pm until September 8, 06:00am
Flood Advisory until September 6, 06:15pm
Click here for hazard details and duration
Flood Watch
High Surf Advisory
Flood Advisory
  •  
    Flood Watch until September 8, 06:00pm
    High Surf Advisory September 6, 04:03pm until September 8, 06:00am
    Flood Advisory until September 6, 06:15pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • This Afternoon

    High: 80 °F

    Heavy Rain
    and Breezy

  • Tonight

    Tonight: Occasional showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 69. Breezy, with a northeast wind 10 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    Low: 69 °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 81. Northeast wind 5 to 10 mph becoming light and variable in the afternoon. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Heavy Rain

  • Monday Night

    Monday Night: Frequent showers. The rain could be heavy at times. Low around 70. Calm wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 70 °F

    Heavy Rain

  • Tuesday

    Tuesday: Scattered showers, then showers likely and possibly a thunderstorm after noon. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 83. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Heavy Rain

  • Tuesday Night

    Tuesday Night: Scattered showers. Mostly cloudy, with a low around 70. Calm wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 70 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Scattered showers. Partly sunny, with a high near 81. Northeast wind around 7 mph. Chance of precipitation is 40%.

    High: 81 °F

    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Scattered showers. Mostly cloudy, with a low around 68. East northeast wind around 8 mph. Chance of precipitation is 40%.

    Low: 68 °F

    Scattered
    Showers

Detailed Forecast

This Afternoon
Frequent showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 80. Breezy, with a northeast wind 9 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. 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 69. Breezy, with a northeast wind 10 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Labor Day
Frequent showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 81. Northeast wind 5 to 10 mph becoming light and variable in the afternoon. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
Frequent showers. The rain could be heavy at times. Low around 70. Calm wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Scattered showers, then showers likely and possibly a thunderstorm after noon. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 83. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Scattered showers. Mostly cloudy, with a low around 70. Calm wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Scattered showers. Partly sunny, with a high near 81. Northeast wind around 7 mph. Chance of precipitation is 40%.
Wednesday Night
Scattered showers. Mostly cloudy, with a low around 68. East northeast wind around 8 mph. Chance of precipitation is 40%.
Thursday
Isolated showers after noon. Mostly sunny, with a high near 78. Northeast wind 6 to 9 mph. Chance of precipitation is 20%.
Thursday Night
Isolated showers before midnight. Mostly clear, with a low around 65. Northeast wind around 5 mph. Chance of precipitation is 20%.
Friday
Isolated showers. Sunny, with a high near 77. North wind 3 to 5 mph. Chance of precipitation is 20%.
Friday Night
Scattered showers. Partly cloudy, with a low around 66. East northeast wind around 5 mph. Chance of precipitation is 30%.
Saturday
Isolated showers. Sunny, with a high near 78. East wind around 6 mph becoming calm in the afternoon. Chance of precipitation is 20%.
Saturday Night
Isolated showers. Partly cloudy, with a low around 67. East wind around 8 mph. Chance of precipitation is 20%.
Sunday
Isolated showers. Sunny, with a high near 79. North northeast wind around 6 mph. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
Waimea HI
 20.02°N 155.69°W (Elev. 2526 ft)
Last Update:
3:26 pm HST Sep 6, 2026
Forecast Valid:
4pm HST Sep 6, 2026-6pm HST Sep 13, 2026
 
Forecast Discussion
 
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Additional Resources

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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