Hazardous Weather Conditions

Current conditions at

Hilo, Hilo International Airport (PHTO)

Lat: 19.72°NLon: 155.06°WElev: 36ft.

Partly Cloudy

70°F

21°C

Humidity 87%
Wind Speed SW 3 mph
Barometer 29.85 in (1010.6 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 21 Mar 5:53 am HST
Extended Forecast for

4 Miles WNW Volcano HI

Flood Watch March 21, 06:28am until March 22, 06:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch March 21, 06:28am until March 22, 06:00pm

    NOW until 6:00pm Sun

    Flood Watch

  • Today

    High: 68 °F

    Heavy Rain

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 8pm, then scattered showers and thunderstorms after 8pm. Some of the storms could produce heavy rainfall.  Low around 57. South southwest wind 5 to 8 mph.  Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    Low: 57 °F

    Heavy Rain

  • Sunday

    Sunday: Scattered showers and thunderstorms, then showers and possibly a thunderstorm after 8am. Some of the storms could produce heavy rainfall.  High near 64. South wind 3 to 7 mph.  Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    High: 64 °F

    Heavy Rain

  • Sunday Night

    Sunday Night: Scattered showers.  Cloudy, with a low around 55. Light and variable wind.  Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 55 °F

    Scattered
    Showers

  • Monday

    Monday: Showers, mainly after 8am.  High near 61. Light and variable wind becoming north northeast 5 to 10 mph in the afternoon.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 61 °F

    Showers

  • Monday Night

    Monday Night: Showers, mainly before 8pm.  Low around 52. North wind 7 to 10 mph.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 52 °F

    Showers then
    Isolated
    Showers

  • Tuesday

    Tuesday: Scattered showers after 8am.  Partly sunny, with a high near 62. Northeast wind 9 to 11 mph.  Chance of precipitation is 50%.

    High: 62 °F

    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Scattered showers, mainly before midnight.  Mostly cloudy, with a low around 52. North wind 9 to 11 mph.  Chance of precipitation is 50%.

    Low: 52 °F

    Scattered
    Showers then
    Isolated
    Showers

Detailed Forecast

Today
Isolated showers and thunderstorms, then showers and possibly a thunderstorm after 8am. Some of the storms could produce heavy rainfall. High near 68. South wind 5 to 11 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and possibly a thunderstorm before 8pm, then scattered showers and thunderstorms after 8pm. Some of the storms could produce heavy rainfall. Low around 57. South southwest wind 5 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Sunday
Scattered showers and thunderstorms, then showers and possibly a thunderstorm after 8am. Some of the storms could produce heavy rainfall. High near 64. South wind 3 to 7 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Sunday Night
Scattered showers. Cloudy, with a low around 55. Light and variable wind. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Showers, mainly after 8am. High near 61. Light and variable wind becoming north northeast 5 to 10 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
Showers, mainly before 8pm. Low around 52. North wind 7 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
Scattered showers after 8am. Partly sunny, with a high near 62. Northeast wind 9 to 11 mph. Chance of precipitation is 50%.
Tuesday Night
Scattered showers, mainly before midnight. Mostly cloudy, with a low around 52. North wind 9 to 11 mph. Chance of precipitation is 50%.
Wednesday
Scattered showers, mainly after noon. Mostly sunny, with a high near 62. Northeast wind around 9 mph. Chance of precipitation is 40%.
Wednesday Night
Scattered showers before midnight. Mostly cloudy, with a low around 51. North wind 6 to 9 mph. Chance of precipitation is 40%.
Thursday
Scattered showers. Partly sunny, with a high near 64. North wind 6 to 10 mph. Chance of precipitation is 30%.
Thursday Night
Scattered showers. Mostly cloudy, with a low around 51. North wind 6 to 9 mph. Chance of precipitation is 30%.
Friday
Scattered showers. Partly sunny, with a high near 63. Northeast wind 3 to 6 mph. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Volcano HI
 19.52°N 155.28°W (Elev. 4541 ft)
6:02 am HST Mar 21, 2026
6am HST Mar 21, 2026-6pm HST Mar 27, 2026
 
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