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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.

Overcast

72°F

22°C

Humidity 94%
Wind Speed SE 9 mph
Barometer 29.93 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 30 Apr 12:21 pm HST
Extended Forecast for

Hilo HI

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

    NOW until
    6:00pm Sun

    Flash Flood Watch

  • This
    Afternoon

    This Afternoon: Occasional showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall.  Temperature falling to around 75 by 5pm. South southeast wind around 8 mph.  Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Heavy Rain

    High: 81 °F

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm.  Cloudy, with a low around 64. South wind 8 to 10 mph.  Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    Showers
    Likely

    Low: 64 °F

  • Monday

    Monday: Showers likely and possibly a thunderstorm.  Widespread haze. Mostly cloudy, with a high near 82. Breezy, with a southeast wind 11 to 16 mph, with gusts as high as 22 mph.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Showers
    Likely and
    Breezy

    High: 82 °F

  • Monday
    Night

    Monday Night: Scattered showers and thunderstorms.  Widespread haze. Mostly cloudy, with a low around 65. South southeast wind around 9 mph.  Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Scattered
    Showers

    Low: 65 °F

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm.  Widespread haze. Mostly cloudy, with a high near 83. East southeast wind 8 to 11 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Showers
    Likely

    High: 83 °F

  • Tuesday
    Night

    Tuesday Night: Scattered showers.  Mostly cloudy, with a low around 65. Calm wind.  Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Scattered
    Showers

    Low: 65 °F

  • Wednesday

    Wednesday: Scattered showers.  Mostly cloudy, with a high near 83. Light and variable wind becoming east 5 to 10 mph in the morning.  Chance of precipitation is 50%.

    Scattered
    Showers

    High: 83 °F

  • Wednesday
    Night

    Wednesday Night: Showers likely.  Mostly cloudy, with a low around 65. North northeast wind around 6 mph.  Chance of precipitation is 60%.

    Showers
    Likely

    Low: 65 °F

Detailed Forecast

This Afternoon
Occasional showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Temperature falling to around 75 by 5pm. South southeast wind around 8 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight
Showers likely and possibly a thunderstorm. Cloudy, with a low around 64. South wind 8 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Monday
Showers likely and possibly a thunderstorm. Widespread haze. Mostly cloudy, with a high near 82. Breezy, with a southeast wind 11 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Scattered showers and thunderstorms. Widespread haze. Mostly cloudy, with a low around 65. South southeast wind around 9 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers likely and possibly a thunderstorm. Widespread haze. Mostly cloudy, with a high near 83. East southeast wind 8 to 11 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Scattered showers. Mostly cloudy, with a low around 65. Calm wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Scattered showers. Mostly cloudy, with a high near 83. Light and variable wind becoming east 5 to 10 mph in the morning. Chance of precipitation is 50%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 65. North northeast wind around 6 mph. Chance of precipitation is 60%.
Thursday
Scattered showers. Partly sunny, with a high near 83. East northeast wind 6 to 13 mph. Chance of precipitation is 50%.
Thursday Night
Showers likely. Mostly cloudy, with a low around 64. North wind around 6 mph. Chance of precipitation is 60%.
Friday
Scattered showers. Partly sunny, with a high near 83. East northeast wind 6 to 13 mph. Chance of precipitation is 50%.
Friday Night
Showers likely. Mostly cloudy, with a low around 64. East wind around 5 mph. Chance of precipitation is 60%.
Saturday
Scattered showers. Partly sunny, with a high near 82. East wind 5 to 13 mph. Chance of precipitation is 50%.
Click Map For Forecast
Point Forecast:
Hilo HI
 19.7°N 155.11°W (Elev. 545 ft)
9:31 am HST Apr 30, 2017
12pm HST Apr 30, 2017-6pm HST May 6, 2017
 
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