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

2 Miles SE Papaaloa HI

Flood Watch September 7, 04:24am until September 8, 06:00pm
High Surf Advisory September 7, 04:24am until September 8, 06:00pm
Click here for hazard details and duration
Flood Watch
High Surf Advisory
  •  
    Flood Watch September 7, 04:24am until September 8, 06:00pm
    High Surf Advisory September 7, 04:24am until September 8, 06:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Overnight

    Low: 70 °F

    Heavy Rain
    and Windy

  • Labor Day

    Labor Day: Frequent showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 82. Windy, with a southeast wind 21 to 26 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    High: 82 °F

    Heavy Rain
    and Windy

  • Monday Night

    Monday Night: Frequent showers. The rain could be heavy at times. Low around 72. Windy, with a south southeast wind 16 to 26 mph becoming south southeast 5 to 10 mph after midnight. Winds could gust as high as 34 mph. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.

    Low: 72 °F

    Heavy Rain
    and Windy

  • Tuesday

    Tuesday: Showers likely, with thunderstorms also possible after noon. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 84. Breezy, with a light and variable wind becoming east southeast 11 to 16 mph in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 70%. 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 after midnight. Mostly cloudy, with a low around 72. Southeast wind around 11 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 72 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely, mainly after noon. Mostly cloudy, with a high near 82. East southeast wind around 14 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 82 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely. Mostly cloudy, with a low around 69. East wind 7 to 9 mph. Chance of precipitation is 60%.

    Low: 69 °F

    Showers
    Likely

  • Thursday

    Thursday: Scattered showers. Partly sunny, with a high near 79. East wind around 7 mph. Chance of precipitation is 40%.

    High: 79 °F

    Scattered
    Showers

Detailed Forecast

Overnight
Occasional showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 70. Windy, with a southeast wind 22 to 25 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Labor Day
Frequent showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 82. Windy, with a southeast wind 21 to 26 mph, with gusts as high as 34 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 72. Windy, with a south southeast wind 16 to 26 mph becoming south southeast 5 to 10 mph after midnight. Winds could gust as high as 34 mph. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.
Tuesday
Showers likely, with thunderstorms also possible after noon. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 84. Breezy, with a light and variable wind becoming east southeast 11 to 16 mph in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers likely, mainly after midnight. Mostly cloudy, with a low around 72. Southeast wind around 11 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 82. East southeast wind around 14 mph, with gusts as high as 18 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 69. East wind 7 to 9 mph. Chance of precipitation is 60%.
Thursday
Scattered showers. Partly sunny, with a high near 79. East wind around 7 mph. Chance of precipitation is 40%.
Thursday Night
Scattered showers. Mostly cloudy, with a low around 68. East southeast wind around 6 mph. Chance of precipitation is 40%.
Friday
Scattered showers. Partly sunny, with a high near 80. East wind around 9 mph. Chance of precipitation is 30%.
Friday Night
Scattered showers. Partly cloudy, with a low around 68. East southeast wind around 6 mph. Chance of precipitation is 50%.
Saturday
Isolated showers. Mostly sunny, with a high near 80. East wind around 8 mph. Chance of precipitation is 20%.
Saturday Night
Scattered showers. Partly cloudy, with a low around 69. East wind around 6 mph becoming calm after midnight. Chance of precipitation is 30%.
Sunday
Isolated showers. Mostly sunny, with a high near 81. Northeast wind 3 to 6 mph. Chance of precipitation is 20%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Papaaloa HI
 19.95°N 155.21°W (Elev. 1014 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