National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Vigorous System Impacting the Northwest; Large System To Affect East

A potent storm system is delivering heavy rainfall, strong winds, rough surf and beach erosion along the Pacific Northwest coast with mountain snow inland. Expect a couple more systems to arrive late week into the weekend. Meanwhile, another developing large scale system will deliver a heavy rain and renewed flood threat to much of the East late Wednesday through Friday, which may impact travel. Read More >

Hazardous Weather Conditions

Current conditions at

Hilo, Hilo International Airport (PHTO)

Lat: 19.72°NLon: 155.06°WElev: 36ft.

Fair

75°F

24°C

Humidity 58%
Wind Speed SW 6 mph
Barometer 30.13 in (1020.0 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 18 Dec 8:53 am HST
Extended Forecast for

Pahoa HI

High Surf Advisory until December 19, 06:00pm
Click here for hazard details and duration
High Surf Advisory
  •  
    High Surf Advisory until December 19, 06:00pm

    NOW until
    6:00pm Wed

    High Surf Advisory

  • Today

    Today: Scattered showers, mainly before noon. Partly sunny, with a high near 79. Northwest wind 6 to 10 mph becoming northeast in the morning. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Scattered
    Showers

    High: 79 °F

  • Tonight

    Tonight: Showers likely, mainly after midnight. Mostly cloudy, with a low around 63. Breezy, with a north northwest wind 9 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Scattered
    Showers then
    Showers
    Likely and
    Breezy

    Low: 63 °F

  • Wednesday

    Wednesday: Showers likely. Mostly cloudy, with a high near 76. Breezy, with a north wind 14 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Showers
    Likely and
    Breezy

    High: 76 °F

  • Wednesday
    Night

    Wednesday Night: Showers likely. Mostly cloudy, with a low around 64. North wind 9 to 14 mph becoming west northwest in the evening. Winds could gust as high as 18 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Showers
    Likely

    Low: 64 °F

  • Thursday

    Thursday: Showers likely, mainly before noon. Partly sunny, with a high near 79. West northwest wind around 9 mph becoming northeast in the morning. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Showers
    Likely then
    Scattered
    Showers

    High: 79 °F

  • Thursday
    Night

    Thursday Night: Scattered showers. Mostly cloudy, with a low around 63. Northeast wind 5 to 8 mph becoming northwest in the evening. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Scattered
    Showers

    Low: 63 °F

  • Friday

    Friday: Scattered showers, mainly before noon. Partly sunny, with a high near 81. Northwest wind 5 to 7 mph becoming northeast in the morning. Chance of precipitation is 50%.

    Scattered
    Showers then
    Isolated
    Showers

    High: 81 °F

  • Friday
    Night

    Friday Night: Scattered showers, mainly after midnight. Mostly cloudy, with a low around 63. North northeast wind around 6 mph becoming light and variable. Chance of precipitation is 50%.

    Isolated
    Showers then
    Scattered
    Showers

    Low: 63 °F

Detailed Forecast

Today
Scattered showers, mainly before noon. Partly sunny, with a high near 79. Northwest wind 6 to 10 mph becoming northeast in the morning. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Showers likely, mainly after midnight. Mostly cloudy, with a low around 63. Breezy, with a north northwest wind 9 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Showers likely. Mostly cloudy, with a high near 76. Breezy, with a north wind 14 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 64. North wind 9 to 14 mph becoming west northwest in the evening. Winds could gust as high as 18 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Showers likely, mainly before noon. Partly sunny, with a high near 79. West northwest wind around 9 mph becoming northeast in the morning. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Scattered showers. Mostly cloudy, with a low around 63. Northeast wind 5 to 8 mph becoming northwest in the evening. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Scattered showers, mainly before noon. Partly sunny, with a high near 81. Northwest wind 5 to 7 mph becoming northeast in the morning. Chance of precipitation is 50%.
Friday Night
Scattered showers, mainly after midnight. Mostly cloudy, with a low around 63. North northeast wind around 6 mph becoming light and variable. Chance of precipitation is 50%.
Saturday
Scattered showers, mainly before noon. Partly sunny, with a high near 80. West northwest wind 5 to 8 mph becoming east northeast in the morning. Chance of precipitation is 50%.
Saturday Night
Scattered showers, mainly after midnight. Mostly cloudy, with a low around 63. Northeast wind 5 to 7 mph becoming north northwest in the evening. Chance of precipitation is 50%.
Sunday
Scattered showers. Partly sunny, with a high near 80. East wind 6 to 9 mph. Chance of precipitation is 50%.
Sunday Night
Occasional showers. Low around 63. East northeast wind 5 to 7 mph becoming west northwest after midnight. Chance of precipitation is 80%.
Monday
Occasional showers. High near 80. West northwest wind 5 to 9 mph becoming east northeast in the morning. Chance of precipitation is 80%.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Pahoa HI
 19.5°N 154.95°W (Elev. 666 ft)
Last Update:
6:00 am HST Dec 18, 2018
Forecast Valid:
9am HST Dec 18, 2018-6pm HST Dec 24, 2018
 
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