Notice of NWS' New Version of Forecast
A new version of Forecast is coming soon!
Click here to visit the new site for details.

Increasing Risk for Flash and River Flooding Through the Weekend

A storm system will track across the central U.S. and set the stage for severe thunderstorms and widespread heavy rainfall through the weekend. There will be a threat for flash and river flooding for portions of the Southern Plains into the Upper Midwest. Read More >

Current conditions at

Hilo, Hilo International Airport (PHTO)

Lat: 19.72°NLon: 155.06°WElev: 36ft.

Overcast

81°F

27°C

Humidity 61%
Wind Speed SE 12 mph
Barometer 30.00 in (1015.7 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 28 Apr 9:53 am HST
Extended Forecast for

Hawaii Volcanoes National Park HI

Flash Flood Watch April 29, 06:00am until April 30, 06:00pm
Click here for hazard details and duration
Flash Flood Watch
  • Today

    Today: Isolated showers, then scattered showers and thunderstorms after noon. Some of the storms could produce heavy rainfall.  Widespread haze before noon. Partly sunny, with a high near 66. Southeast wind 7 to 9 mph.  Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

    Isolated
    Showers then
    Heavy Rain

    High: 66 °F

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall.  Cloudy, with a low around 53. Calm wind.  Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    Heavy Rain

    Low: 53 °F

  • Saturday

    Saturday: Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Some of the storms could produce heavy rainfall.  Widespread haze. Mostly cloudy, with a high near 64. East wind around 7 mph.  Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.

    Heavy Rain

    High: 64 °F

  • Saturday
    Night

    Saturday Night: Scattered showers and thunderstorms. Some of the storms could produce heavy rainfall.  Mostly cloudy, with a low around 54. South southeast wind around 5 mph.  Chance of precipitation is 50%. New rainfall amounts between three quarters and one inch possible.

    Heavy Rain

    Low: 54 °F

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall.  Cloudy, with a high near 64. South wind 8 to 11 mph.  Chance of precipitation is 70%. New rainfall amounts between 1 and 2 inches possible.

    Heavy Rain

    High: 64 °F

  • Sunday
    Night

    Sunday Night: Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall.  Mostly cloudy, with a low around 54. South southwest wind 6 to 8 mph becoming west after midnight.  Chance of precipitation is 60%. New rainfall amounts between 1 and 2 inches possible.

    Heavy Rain

    Low: 54 °F

  • Monday

    Monday: Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall.  Cloudy, with a high near 64. Southeast wind 6 to 8 mph.  Chance of precipitation is 70%.

    Heavy Rain

    High: 64 °F

  • Monday
    Night

    Monday Night: Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall.  Cloudy, with a low around 55. West northwest wind around 5 mph.  Chance of precipitation is 60%.

    Heavy Rain

    Low: 55 °F

  • Tuesday

    Tuesday: Showers likely.  Mostly cloudy, with a high near 66. West northwest wind 5 to 8 mph becoming southeast in the morning.  Chance of precipitation is 60%.

    Showers
    Likely

    High: 66 °F

Detailed Forecast

Today
Isolated showers, then scattered showers and thunderstorms after noon. Some of the storms could produce heavy rainfall. Widespread haze before noon. Partly sunny, with a high near 66. Southeast wind 7 to 9 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Cloudy, with a low around 53. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Some of the storms could produce heavy rainfall. Widespread haze. Mostly cloudy, with a high near 64. East wind around 7 mph. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.
Saturday Night
Scattered showers and thunderstorms. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 54. South southeast wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts between three quarters and one inch possible.
Sunday
Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Cloudy, with a high near 64. South wind 8 to 11 mph. Chance of precipitation is 70%. New rainfall amounts between 1 and 2 inches possible.
Sunday Night
Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 54. South southwest wind 6 to 8 mph becoming west after midnight. Chance of precipitation is 60%. New rainfall amounts between 1 and 2 inches possible.
Monday
Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Cloudy, with a high near 64. Southeast wind 6 to 8 mph. Chance of precipitation is 70%.
Monday Night
Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Cloudy, with a low around 55. West northwest wind around 5 mph. Chance of precipitation is 60%.
Tuesday
Showers likely. Mostly cloudy, with a high near 66. West northwest wind 5 to 8 mph becoming southeast in the morning. Chance of precipitation is 60%.
Tuesday Night
Scattered showers. Mostly cloudy, with a low around 56. West northwest wind around 5 mph. Chance of precipitation is 50%.
Wednesday
Scattered showers. Partly sunny, with a high near 67. West northwest wind 5 to 8 mph becoming east southeast in the morning. Chance of precipitation is 50%.
Wednesday Night
Isolated showers. Partly cloudy, with a low around 56. Northeast wind around 6 mph. Chance of precipitation is 20%.
Thursday
Scattered showers. Partly sunny, with a high near 68. East northeast wind 6 to 9 mph. Chance of precipitation is 40%.
Click Map For Forecast
Point Forecast:
Hawaii Volcanoes National Park HI
 19.43°N 155.26°W (Elev. 3983 ft)
7:58 am HST Apr 28, 2017
10am HST Apr 28, 2017-6pm HST May 4, 2017
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database