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Heavy Rains and Potential for Flash Floods

Severe thunderstorms with damaging winds and heavy rains will be possible from the Ohio Valley to the Northeast Tuesday. In addition, heavy rains possible in the central Plains and southern Rockies. Heavy rain threat moves into the southern Mid-Atlantic Wednesday. Dry conditions remain out west where isolated dry thunderstorms could exacerbate ongoing fires and start new fires. Read More >

Hazardous Weather Conditions

Current conditions at

Hilo, Hilo International Airport (PHTO)

Lat: 19.72°NLon: 155.06°WElev: 36ft.

Light Rain

75°F

24°C

Humidity 94%
Wind Speed S 8 mph
Barometer 30.01 in
Dewpoint 73°F (23°C)
Visibility 8.00 mi
Last update 21 Aug 8:05 pm HST
Extended Forecast for

Hawaiian Beaches HI

  • Tonight

    Tonight: Frequent showers. The rain could be heavy at times.  Low around 70. North wind around 6 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Heavy Rain

    Low: 70 °F

  • Tuesday

    Tuesday: Frequent showers, with thunderstorms also possible after noon. Some of the storms could produce heavy rainfall.  High near 86. Northwest wind 6 to 8 mph becoming north northeast in the morning.  Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Heavy Rain

    High: 86 °F

  • Tuesday
    Night

    Tuesday Night: Occasional showers.  Low around 71. North wind 7 to 10 mph.  Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    Showers

    Low: 71 °F

  • Wednesday

    Wednesday: Showers likely, mainly before noon.  Mostly cloudy, with a high near 85. Northeast wind 8 to 14 mph, with gusts as high as 18 mph.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Showers
    Likely

    High: 85 °F

  • Wednesday
    Night

    Wednesday Night: Scattered showers after midnight.  Partly cloudy, with a low around 71. North northeast wind 8 to 10 mph.  Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Mostly Clear
    then
    Scattered
    Showers

    Low: 71 °F

  • Thursday

    Thursday: Scattered showers before noon.  Mostly sunny, with a high near 86. Northeast wind 9 to 13 mph.  Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Scattered
    Showers then
    Sunny

    High: 86 °F

  • Thursday
    Night

    Thursday Night: Scattered showers after midnight.  Partly cloudy, with a low around 71. North northeast wind around 9 mph.  Chance of precipitation is 50%.

    Mostly Clear
    then
    Scattered
    Showers

    Low: 71 °F

  • Friday

    Friday: Scattered showers before noon.  Mostly sunny, with a high near 86. Northeast wind 8 to 10 mph.  Chance of precipitation is 50%.

    Scattered
    Showers then
    Sunny

    High: 86 °F

  • Friday
    Night

    Friday Night: Scattered showers.  Mostly cloudy, with a low around 71. North northeast wind 7 to 9 mph.  Chance of precipitation is 50%.

    Scattered
    Showers

    Low: 71 °F

Detailed Forecast

Tonight
Frequent showers. The rain could be heavy at times. Low around 70. North wind around 6 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Frequent showers, with thunderstorms also possible after noon. Some of the storms could produce heavy rainfall. High near 86. Northwest wind 6 to 8 mph becoming north northeast in the morning. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Occasional showers. Low around 71. North wind 7 to 10 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Showers likely, mainly before noon. Mostly cloudy, with a high near 85. Northeast wind 8 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Scattered showers after midnight. Partly cloudy, with a low around 71. North northeast wind 8 to 10 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Scattered showers before noon. Mostly sunny, with a high near 86. Northeast wind 9 to 13 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Scattered showers after midnight. Partly cloudy, with a low around 71. North northeast wind around 9 mph. Chance of precipitation is 50%.
Friday
Scattered showers before noon. Mostly sunny, with a high near 86. Northeast wind 8 to 10 mph. Chance of precipitation is 50%.
Friday Night
Scattered showers. Mostly cloudy, with a low around 71. North northeast wind 7 to 9 mph. Chance of precipitation is 50%.
Saturday
Scattered showers before noon. Mostly sunny, with a high near 86. East northeast wind 7 to 11 mph. Chance of precipitation is 50%.
Saturday Night
Occasional showers. Low around 71. Northeast wind 5 to 7 mph becoming calm. Chance of precipitation is 80%.
Sunday
Occasional showers. High near 86. East northeast wind 6 to 10 mph. Chance of precipitation is 80%.
Sunday Night
Occasional showers. Low around 71. North northwest wind 3 to 7 mph. Chance of precipitation is 80%.
Monday
Occasional showers. High near 86. Light and variable wind becoming east 5 to 10 mph in the afternoon. Chance of precipitation is 80%.
Click Map For Forecast
Point Forecast:
Hawaiian Beaches HI
 19.54°N 154.9°W (Elev. 200 ft)
6:29 pm HST Aug 21, 2017
8pm HST Aug 21, 2017-6pm HST Aug 28, 2017
 
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