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Very Heavy Rain, Severe Thunderstorms, and High Flash Flood Risk moves into the Mississippi Valley and Midwest

Thunderstorms, some severe, with very heavy rain have moved into the Mid South and Tennessee Valley today. Flash flooding and severe thunderstorms will be possible from the central Gulf Coast to the Upper Great Lakes. The greatest threat of excessive rains will be in portions of the Lower and Middle Mississippi Valleys. This storm system has a history of producing life threatening flash floods. Read More >

Current conditions at

Hilo, Hilo International Airport (PHTO)

Lat: 19.72°NLon: 155.06°WElev: 36ft.

Rain Fog/Mist

73°F

23°C

Humidity 94%
Wind Speed Vrbl 3 mph
Barometer 29.87 in (1011.5 mb)
Dewpoint 71°F (22°C)
Visibility 1.00 mi
Last update 30 Apr 3:53 pm HST
Extended Forecast for

Hawaii Volcanoes National Park HI

Flash Flood Watch until May 1, 06:00am
Click here for hazard details and duration
Flash Flood Watch
  •  
    Flash Flood Watch until May 1, 06:00am

    NOW until
    6:00am Mon

    Flash Flood Watch

  • This
    Afternoon

    This Afternoon: Occasional showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall.  High near 70. South wind around 8 mph.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Heavy Rain

    High: 70 °F

  • Tonight

    Tonight: Occasional showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall.  Low around 53. South wind 7 to 11 mph becoming west after midnight.  Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    Heavy Rain

    Low: 53 °F

  • Monday

    Monday: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a high near 71. West wind 6 to 11 mph becoming south southeast in the morning.  Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    Showers
    Likely

    High: 71 °F

  • Monday
    Night

    Monday Night: Showers likely and possibly a thunderstorm before 7pm, then scattered showers and thunderstorms after 7pm.  Mostly cloudy, with a low around 54. South wind 5 to 8 mph becoming light and variable  after midnight.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Showers
    Likely

    Low: 54 °F

  • Tuesday

    Tuesday: Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 7am.  Mostly cloudy, with a high near 72. Light and variable wind becoming east southeast 5 to 9 mph in the morning.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Showers
    Likely

    High: 72 °F

  • Tuesday
    Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 7pm, then scattered showers.  Mostly cloudy, with a low around 54. East southeast wind 6 to 9 mph becoming north northeast in the evening.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Showers
    Likely

    Low: 54 °F

  • Wednesday

    Wednesday: Scattered showers.  Partly sunny, with a high near 72. North northeast wind 6 to 10 mph becoming east in the morning.  Chance of precipitation is 40%.

    Scattered
    Showers

    High: 72 °F

  • Wednesday
    Night

    Wednesday Night: Scattered showers.  Mostly cloudy, with a low around 54. East wind around 10 mph becoming north northeast in the evening.  Chance of precipitation is 50%.

    Scattered
    Showers

    Low: 54 °F

Detailed Forecast

This Afternoon
Occasional showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 70. South wind around 8 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Occasional showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 53. South wind 7 to 11 mph becoming west after midnight. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Monday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 71. West wind 6 to 11 mph becoming south southeast in the morning. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Showers likely and possibly a thunderstorm before 7pm, then scattered showers and thunderstorms after 7pm. Mostly cloudy, with a low around 54. South wind 5 to 8 mph becoming light and variable after midnight. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 7am. Mostly cloudy, with a high near 72. Light and variable wind becoming east southeast 5 to 9 mph in the morning. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Showers likely and possibly a thunderstorm before 7pm, then scattered showers. Mostly cloudy, with a low around 54. East southeast wind 6 to 9 mph becoming north northeast in the evening. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Scattered showers. Partly sunny, with a high near 72. North northeast wind 6 to 10 mph becoming east in the morning. Chance of precipitation is 40%.
Wednesday Night
Scattered showers. Mostly cloudy, with a low around 54. East wind around 10 mph becoming north northeast in the evening. Chance of precipitation is 50%.
Thursday
Scattered showers. Mostly sunny, with a high near 72. Breezy, with an east northeast wind 9 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.
Thursday Night
Scattered showers. Mostly cloudy, with a low around 53. Breezy, with a north northeast wind 10 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.
Friday
Scattered showers. Mostly sunny, with a high near 72. Breezy, with an east northeast wind 10 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.
Friday Night
Scattered showers. Partly cloudy, with a low around 53. Breezy, with a north northeast wind 9 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.
Saturday
Scattered showers. Mostly sunny, with a high near 71. Breezy, with an east wind 9 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.
Saturday Night
Scattered showers. Mostly cloudy, with a low around 53. Breezy, with a northeast wind 7 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.
Sunday
Scattered showers. Mostly sunny, with a high near 72. East wind 7 to 11 mph. Chance of precipitation is 50%.
Click Map For Forecast
Point Forecast:
Hawaii Volcanoes National Park HI
 19.43°N 155.26°W (Elev. 3983 ft)
9:31 am HST Apr 30, 2017
4pm HST Apr 30, 2017-6pm HST May 7, 2017
 
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