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

Long Duration Winter Storm for the Pacific Northwest; Heavy Rains in the Southeast and Hawaii

A long-duration winter storm will impact the Northwest through the weekend. The coastal ranges and lower elevations of the Cascades will have moderate to heavy rain, and periods of heavy snow will impact many mountain passes. Scattered storms and heavy rains may produce localized flash flooding across the central Gulf Coast into the Southeast and Hawaii. Read More >

Hazardous Weather Conditions

Current conditions at

Hilo, Hilo International Airport (PHTO)

Lat: 19.72°NLon: 155.06°WElev: 36ft.

A Few Clouds

70°F

21°C

Humidity 100%
Wind Speed SE 6 mph
Barometer 29.96 in (1014.3 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 1 Dec 3:53 am HST
Extended Forecast for

2 Miles W Wainaku HI

Flood Watch until December 1, 06:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch until December 1, 06:00pm

    NOW until
    6:00pm Fri

    Flood Watch

  • Overnight

    Overnight: Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Cloudy, with a low around 63. South wind 5 to 8 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Heavy Rain

    Low: 63 °F

  • Friday

    Friday: Scattered showers and thunderstorms. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 77. South wind 6 to 10 mph becoming east southeast in the afternoon. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Heavy Rain

    High: 77 °F

  • Friday
    Night

    Friday Night: Scattered showers. Mostly cloudy, with a low around 63. South southwest wind around 7 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Scattered
    Showers

    Low: 63 °F

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 77. South southwest wind 6 to 9 mph becoming east in the afternoon.

    Slight Chance
    T-storms

    High: 77 °F

  • Saturday
    Night

    Saturday Night: Isolated showers. Mostly cloudy, with a low around 63. South wind around 6 mph. Chance of precipitation is 20%.

    Isolated
    Showers

    Low: 63 °F

  • Sunday

    Sunday: Isolated showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 77. East southeast wind 5 to 8 mph. Chance of precipitation is 20%.

    Isolated
    Showers then
    Slight Chance
    T-storms

    High: 77 °F

  • Sunday
    Night

    Sunday Night: Scattered showers. Mostly cloudy, with a low around 63. East northeast wind 3 to 5 mph. Chance of precipitation is 50%.

    Scattered
    Showers

    Low: 63 °F

  • Monday

    Monday: Scattered showers. Mostly sunny, with a high near 77. East northeast wind 3 to 5 mph. Chance of precipitation is 50%.

    Scattered
    Showers

    High: 77 °F

Detailed Forecast

Overnight
Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Cloudy, with a low around 63. South wind 5 to 8 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Scattered showers and thunderstorms. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 77. South wind 6 to 10 mph becoming east southeast in the afternoon. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Scattered showers. Mostly cloudy, with a low around 63. South southwest wind around 7 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 77. South southwest wind 6 to 9 mph becoming east in the afternoon.
Saturday Night
Isolated showers. Mostly cloudy, with a low around 63. South wind around 6 mph. Chance of precipitation is 20%.
Sunday
Isolated showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 77. East southeast wind 5 to 8 mph. Chance of precipitation is 20%.
Sunday Night
Scattered showers. Mostly cloudy, with a low around 63. East northeast wind 3 to 5 mph. Chance of precipitation is 50%.
Monday
Scattered showers. Mostly sunny, with a high near 77. East northeast wind 3 to 5 mph. Chance of precipitation is 50%.
Monday Night
Scattered showers. Mostly cloudy, with a low around 63. North northeast wind 3 to 5 mph. Chance of precipitation is 50%.
Tuesday
Scattered showers. Mostly sunny, with a high near 77. Northeast wind 3 to 8 mph. Chance of precipitation is 50%.
Tuesday Night
Scattered showers. Mostly cloudy, with a low around 63. Light and variable wind. Chance of precipitation is 50%.
Wednesday
Scattered showers. Mostly sunny, with a high near 77. Calm wind becoming east 5 to 7 mph. Chance of precipitation is 50%.
Wednesday Night
Scattered showers. Mostly cloudy, with a low around 63. Calm wind. Chance of precipitation is 50%.
Thursday
Scattered showers. Mostly sunny, with a high near 77. Calm wind becoming east 5 to 7 mph. Chance of precipitation is 50%.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
2 Miles W Wainaku HI
 19.75°N 155.14°W (Elev. 1188 ft)
Last Update:
4:00 am HST Dec 1, 2023
Forecast Valid:
4am HST Dec 1, 2023-6pm HST Dec 7, 2023
 
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