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

Hilo, Hilo International Airport (PHTO)

Lat: 19.72°NLon: 155.06°WElev: 36ft.

Overcast

74°F

23°C

Humidity 94%
Wind Speed SW 5 mph
Barometer 29.80 in (1008.9 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 7 Sep 3:53 am HST
Extended Forecast for

Hakalau HI

Flood Watch September 7, 04:28am until September 8, 06:00pm
High Surf Advisory September 7, 04:28am until September 8, 06:00pm
Click here for hazard details and duration
Flood Watch
High Surf Advisory
  •  
    Flood Watch September 7, 04:28am until September 8, 06:00pm
    High Surf Advisory September 7, 04:28am until September 8, 06:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Overnight

    Low: 73 °F

    Heavy Rain

  • Labor Day

    Labor Day: Frequent showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 85. Breezy, with a southeast wind 11 to 18 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    High: 85 °F

    Heavy Rain
    and Breezy

  • Monday Night

    Monday Night: Frequent showers. The rain could be heavy at times. Low around 75. Breezy, with a southeast wind 13 to 18 mph becoming light and variable after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.

    Low: 75 °F

    Heavy Rain
    and Breezy

  • Tuesday

    Tuesday: Frequent showers, with thunderstorms also possible after noon. Some of the storms could produce heavy rainfall. High near 86. Breezy, with a light and variable wind becoming east southeast 10 to 15 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    Heavy Rain
    and Breezy

  • Tuesday Night

    Tuesday Night: Showers likely. Mostly cloudy, with a low around 75. Southeast wind around 9 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 75 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely, mainly after noon. Mostly cloudy, with a high near 84. East wind around 10 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 84 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely. Mostly cloudy, with a low around 73. East wind 6 to 8 mph. Chance of precipitation is 70%.

    Low: 73 °F

    Showers
    Likely

  • Thursday

    Thursday: Scattered showers. Partly sunny, with a high near 82. East northeast wind around 7 mph. Chance of precipitation is 30%.

    High: 82 °F

    Scattered
    Showers

Detailed Forecast

Overnight
Occasional showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 73. South wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Labor Day
Frequent showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 85. Breezy, with a southeast wind 11 to 18 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Monday Night
Frequent showers. The rain could be heavy at times. Low around 75. Breezy, with a southeast wind 13 to 18 mph becoming light and variable after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.
Tuesday
Frequent showers, with thunderstorms also possible after noon. Some of the storms could produce heavy rainfall. High near 86. Breezy, with a light and variable wind becoming east southeast 10 to 15 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 75. Southeast wind around 9 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Showers likely, mainly after noon. Mostly cloudy, with a high near 84. East wind around 10 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 73. East wind 6 to 8 mph. Chance of precipitation is 70%.
Thursday
Scattered showers. Partly sunny, with a high near 82. East northeast wind around 7 mph. Chance of precipitation is 30%.
Thursday Night
Scattered showers, mainly before midnight. Partly cloudy, with a low around 71. Light east wind. Chance of precipitation is 40%.
Friday
Scattered showers after noon. Mostly sunny, with a high near 83. East wind 6 to 8 mph. Chance of precipitation is 30%.
Friday Night
Scattered showers. Partly cloudy, with a low around 72. Light east wind. Chance of precipitation is 40%.
Saturday
Scattered showers. Mostly sunny, with a high near 83. East wind 5 to 8 mph. Chance of precipitation is 30%.
Saturday Night
Scattered showers. Partly cloudy, with a low around 73. East northeast wind around 5 mph becoming calm after midnight. Chance of precipitation is 30%.
Sunday
Scattered showers. Mostly sunny, with a high near 84. North northeast wind around 6 mph. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hakalau HI
 19.88°N 155.11°W (Elev. 141 ft)
Last Update:
4:01 am HST Sep 7, 2026
Forecast Valid:
4am HST Sep 7, 2026-6pm HST Sep 13, 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