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.

Rain Fog/Mist

76°F

24°C

Humidity 91%
Wind Speed W 5 mph
Barometer 29.84 in (1010.2 mb)
Dewpoint 73°F (23°C)
Visibility 1.50 mi
Heat Index76°F (24°C)
Last update 6 Sep 11:53 am HST
Extended Forecast for

Pepeekeo HI

Flood Watch until September 8, 06:00pm
High Surf Advisory September 6, 12:22pm 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, 12:22pm until September 8, 06:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • This Afternoon

    High: 82 °F

    Heavy Rain

  • Tonight

    Tonight: Occasional showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 72. East southeast wind 7 to 9 mph becoming south southwest in the evening. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    Low: 72 °F

    Heavy Rain

  • Labor Day

    Labor Day: Frequent showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 83. Breezy, with a southeast wind 9 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 83 °F

    Heavy Rain
    and Breezy

  • Monday Night

    Monday Night: Frequent showers. The rain could be heavy at times. Low around 74. South southeast wind 9 to 13 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 74 °F

    Heavy Rain

  • Tuesday

    Tuesday: Frequent showers, with thunderstorms also possible after noon. Some of the storms could produce heavy rainfall. High near 85. East southeast wind 9 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Heavy Rain

  • Tuesday Night

    Tuesday Night: Showers likely. Mostly cloudy, with a low around 74. Southeast wind around 9 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 74 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Frequent showers, mainly after noon. The rain could be heavy at times. High near 83. East wind 7 to 9 mph. Chance of precipitation is 80%.

    High: 83 °F

    Scattered
    Showers then
    Heavy Rain

  • Wednesday Night

    Wednesday Night: Showers likely. Mostly cloudy, with a low around 72. East northeast wind around 7 mph. Chance of precipitation is 70%.

    Low: 72 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Frequent showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 82. Southeast wind around 9 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 72. East southeast wind 7 to 9 mph becoming south southwest in the evening. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Labor Day
Frequent showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 83. Breezy, with a southeast wind 9 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Frequent showers. The rain could be heavy at times. Low around 74. South southeast wind 9 to 13 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Frequent showers, with thunderstorms also possible after noon. Some of the storms could produce heavy rainfall. High near 85. East southeast wind 9 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 74. Southeast wind around 9 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Frequent showers, mainly after noon. The rain could be heavy at times. High near 83. East wind 7 to 9 mph. Chance of precipitation is 80%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 72. East northeast wind around 7 mph. Chance of precipitation is 70%.
Thursday
Scattered showers. Partly sunny, with a high near 81. East northeast wind 3 to 7 mph. Chance of precipitation is 40%.
Thursday Night
Scattered showers before midnight. Partly cloudy, with a low around 70. Calm wind becoming east southeast around 5 mph after midnight. Chance of precipitation is 40%.
Friday
Scattered showers. Mostly sunny, with a high near 81. East wind 3 to 7 mph. Chance of precipitation is 30%.
Friday Night
Scattered showers. Partly cloudy, with a low around 71. Light and variable wind. Chance of precipitation is 40%.
Saturday
Isolated showers. Mostly sunny, with a high near 82. East wind 3 to 8 mph. Chance of precipitation is 20%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Pepeekeo HI
 19.84°N 155.11°W (Elev. 659 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

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