Hazardous Weather Conditions

Current conditions at

Hilo, Hilo International Airport (PHTO)

Lat: 19.72°NLon: 155.06°WElev: 36ft.

Mostly Cloudy

82°F

28°C

Humidity 65%
Wind Speed SE 17 G 26 mph
Barometer 29.84 in (1010.2 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 20 Mar 9:53 am HST
Extended Forecast for

4 Miles WNW Volcano HI

Flood Watch March 20, 10:02am until March 22, 06:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch March 20, 10:02am until March 22, 06:00pm

    NOW until 6:00pm Sun

    Flood Watch

  • Today

    High: 66 °F

    Showers
    Likely and
    Breezy

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before 8pm, then isolated showers and thunderstorms after 8pm. Some of the storms could produce heavy rainfall.  Mostly cloudy, with a low around 57. West southwest wind 6 to 10 mph.  Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Heavy Rain

  • Saturday

    Saturday: Isolated showers and thunderstorms, then showers and possibly a thunderstorm after 8am. Some of the storms could produce heavy rainfall.  High near 67. South wind 7 to 13 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 67 °F

    Heavy Rain

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 8pm, then scattered showers and thunderstorms after 8pm. Some of the storms could produce heavy rainfall.  Low around 56. South southwest wind 6 to 10 mph.  Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.

    Low: 56 °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 65. South wind around 7 mph.  Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    High: 65 °F

    Heavy Rain

  • Sunday Night

    Sunday Night: Scattered showers.  Cloudy, with a low around 55. South southwest wind 5 to 7 mph becoming west northwest after midnight.  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 63. West northwest wind 5 to 8 mph becoming east in the morning.  Chance of precipitation is 80%.

    High: 63 °F

    Showers

  • Monday Night

    Monday Night: Showers, mainly before 8pm.  Low around 52. North wind 6 to 8 mph.  Chance of precipitation is 80%.

    Low: 52 °F

    Showers then
    Isolated
    Showers

Detailed Forecast

Today
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 66. Breezy, with a south southwest wind 10 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers likely and possibly a thunderstorm before 8pm, then isolated showers and thunderstorms after 8pm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 57. West southwest wind 6 to 10 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Isolated showers and thunderstorms, then showers and possibly a thunderstorm after 8am. Some of the storms could produce heavy rainfall. High near 67. South wind 7 to 13 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Showers and possibly a thunderstorm before 8pm, then scattered showers and thunderstorms after 8pm. Some of the storms could produce heavy rainfall. Low around 56. South southwest wind 6 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
Sunday
Scattered showers and thunderstorms, then showers and possibly a thunderstorm after 8am. Some of the storms could produce heavy rainfall. High near 65. South wind around 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. South southwest wind 5 to 7 mph becoming west northwest after midnight. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Showers, mainly after 8am. High near 63. West northwest wind 5 to 8 mph becoming east in the morning. Chance of precipitation is 80%.
Monday Night
Showers, mainly before 8pm. Low around 52. North wind 6 to 8 mph. Chance of precipitation is 80%.
Tuesday
Scattered showers after 8am. Partly sunny, with a high near 63. Northeast wind 7 to 9 mph. Chance of precipitation is 50%.
Tuesday Night
Scattered showers, mainly before midnight. Mostly cloudy, with a low around 52. Northeast wind 7 to 9 mph becoming north northwest after midnight. Chance of precipitation is 50%.
Wednesday
Scattered showers. Partly sunny, with a high near 63. North northwest wind 5 to 7 mph becoming east in the morning. Chance of precipitation is 40%.
Wednesday Night
Scattered showers. Mostly cloudy, with a low around 52. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.
Thursday
Scattered showers. Partly sunny, with a high near 63. Calm wind becoming east around 6 mph. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Volcano HI
 19.52°N 155.28°W (Elev. 4541 ft)
6:01 am HST Mar 20, 2026
10am HST Mar 20, 2026-6pm HST Mar 26, 2026
 
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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