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 7 mph
Barometer 29.82 in (1009.8 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 7 Sep 1:53 am HST
Extended Forecast for

Papaikou HI

Flood Watch September 7, 02:12am until September 8, 06:00pm
High Surf Advisory September 7, 02:12am until September 8, 06:00am
Click here for hazard details and duration
Flood Watch
High Surf Advisory
  •  
    Flood Watch September 7, 02:12am until September 8, 06:00pm
    High Surf Advisory September 7, 02:12am until September 8, 06:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Overnight

    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 82. Breezy, with a southeast wind 6 to 16 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between 2 and 3 inches possible.

    High: 82 °F

    Heavy Rain
    and Breezy

  • Monday Night

    Monday Night: Frequent showers. The rain could be heavy at times. Low around 73. Breezy, with a southeast wind 11 to 16 mph becoming light and variable. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.

    Low: 73 °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 84. Breezy, with a light and variable wind becoming east 10 to 15 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Heavy Rain
    and Breezy

  • Tuesday Night

    Tuesday Night: Showers likely, mainly before midnight. Mostly cloudy, with a low around 73. Southeast wind around 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 73 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Frequent showers, mainly after noon. The rain could be heavy at times. High near 82. East wind around 8 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 82 °F

    Scattered
    Showers then
    Heavy Rain

  • Wednesday Night

    Wednesday Night: Showers likely. Mostly cloudy, with a low around 71. East northeast wind around 6 mph. Chance of precipitation is 70%.

    Low: 71 °F

    Showers
    Likely

  • Thursday

    Thursday: Scattered showers. Partly sunny, with a high near 80. Northeast wind around 7 mph. Chance of precipitation is 50%.

    High: 80 °F

    Scattered
    Showers

Detailed Forecast

Overnight
Occasional showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 71. West southwest wind 7 to 9 mph. Chance of precipitation is 90%. 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 82. Breezy, with a southeast wind 6 to 16 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between 2 and 3 inches possible.
Monday Night
Frequent showers. The rain could be heavy at times. Low around 73. Breezy, with a southeast wind 11 to 16 mph becoming light and variable. Winds could gust as high as 20 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 84. Breezy, with a light and variable wind becoming east 10 to 15 mph in the afternoon. 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, mainly before midnight. Mostly cloudy, with a low around 73. Southeast wind around 8 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 82. East wind around 8 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 71. East northeast wind around 6 mph. Chance of precipitation is 70%.
Thursday
Scattered showers. Partly sunny, with a high near 80. Northeast wind around 7 mph. Chance of precipitation is 50%.
Thursday Night
Scattered showers before midnight. Partly cloudy, with a low around 69. Calm wind. Chance of precipitation is 40%.
Friday
Scattered showers after noon. Mostly sunny, with a high near 80. East wind 3 to 7 mph. Chance of precipitation is 30%.
Friday Night
Scattered showers. Partly cloudy, with a low around 69. Calm wind. Chance of precipitation is 40%.
Saturday
Isolated showers. Mostly sunny, with a high near 81. Calm wind becoming east northeast 5 to 7 mph in the afternoon. Chance of precipitation is 20%.
Saturday Night
Scattered showers. Partly cloudy, with a low around 70. Northeast wind around 5 mph becoming light and variable after midnight. Chance of precipitation is 40%.
Sunday
Isolated showers. Mostly sunny, with a high near 81. North wind 5 to 7 mph. Chance of precipitation is 20%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Papaikou HI
 19.79°N 155.11°W (Elev. 600 ft)
Last Update:
1:10 am HST Sep 7, 2026
Forecast Valid:
2am 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