Dangerous heat and humidity from the central U.S. to East Coast this weekend

Hot and very humid conditions will push the heat index to well over 100 degrees across a large portion of the central and eastern U.S. Excessive Heat Warnings and Heat Advisories are in effect for much of the Plains, Miss. Valley, Midwest, Ohio Valley, Mid-Atlantic and southern states. Be very cautious if you must do outdoor activities in these areas during the afternoon and evening this weekend. Read More >

Current conditions at

Kahului, Kahului Airport (PHOG)

Lat: 20.89°NLon: 156.44°WElev: 52ft.

Partly Cloudy

79°F

26°C

Humidity 88%
Wind Speed NE 17 G 25 mph
Barometer 29.85 in (1011.3 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 23 Jul 2:54 pm HST
Extended Forecast for

Waikapu HI

Flash Flood Watch until July 24, 06:00pm
Flood Advisory until July 23, 03:45pm
High Surf Warning until July 24, 06:00am
Click here for hazard details and duration
Flash Flood Watch
Flood Advisory
High Surf Warning
  •  
    Flash Flood Watch until July 24, 06:00pm
    Flood Advisory until July 23, 03:45pm
    High Surf Warning until July 24, 06:00am

    NOW: Multiple
    hazards in effect

    Click HERE for Details

  • This
    Afternoon

    This Afternoon: Tropical storm conditions possible. Showers likely. The rain could be heavy at times.  Mostly cloudy, with a high near 83. Northeast wind 27 to 32 mph, with gusts as high as 38 mph.  Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Tropical
    Storm
    Conditions
    Possible

    High: 83 °F

  • Tonight

    Tonight: Tropical storm conditions expected. Frequent showers before midnight, then rain and possibly a thunderstorm after midnight. Some of the storms could produce heavy rainfall.  Low around 68. Northeast wind 32 to 37 mph, with gusts as high as 49 mph.  Chance of precipitation is 100%. New rainfall amounts between 2 and 3 inches possible.

    Tropical
    Storm
    Conditions
    Expected

    Low: 68 °F

  • Sunday

    Sunday: Tropical storm conditions possible. Rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall.  High near 83. Southeast wind 32 to 37 mph decreasing to 20 to 25 mph. Winds could gust as high as 49 mph.  Chance of precipitation is 100%. New rainfall amounts between 3 and 4 inches possible.

    Tropical
    Storm
    Conditions
    Possible

    High: 83 °F

  • Sunday
    Night

    Sunday Night: Frequent showers. The rain could be heavy at times.  Low around 68. Breezy, with a southeast wind 10 to 16 mph, with gusts as high as 28 mph.  Chance of precipitation is 90%. New precipitation amounts between 2 and 3 inches possible.

    Heavy Rain
    and Breezy
    then Heavy
    Rain

    Low: 68 °F

  • Monday

    Monday: Showers likely. The rain could be heavy at times.  Mostly cloudy, with a high near 85. East wind around 10 mph.  Chance of precipitation is 60%. New precipitation amounts between 1 and 2 inches possible.

    Heavy Rain

    High: 85 °F

  • Monday
    Night

    Monday Night: Scattered showers, mainly after midnight.  Partly cloudy, with a low around 68. East wind 11 to 14 mph.  Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.

    Scattered
    Showers

    Low: 68 °F

  • Tuesday

    Tuesday: Scattered showers.  Partly sunny, with a high near 85. East wind around 14 mph.  Chance of precipitation is 30%.

    Scattered
    Showers

    High: 85 °F

  • Tuesday
    Night

    Tuesday Night: Scattered showers, mainly after midnight.  Partly cloudy, with a low around 68. Breezy, with a northeast wind 13 to 16 mph, with gusts as high as 20 mph.  Chance of precipitation is 30%.

    Scattered
    Showers and
    Breezy

    Low: 68 °F

Detailed Forecast

This Afternoon
Tropical storm conditions possible. Showers likely. The rain could be heavy at times. Mostly cloudy, with a high near 83. Northeast wind 27 to 32 mph, with gusts as high as 38 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
Tropical storm conditions expected. Frequent showers before midnight, then rain and possibly a thunderstorm after midnight. Some of the storms could produce heavy rainfall. Low around 68. Northeast wind 32 to 37 mph, with gusts as high as 49 mph. Chance of precipitation is 100%. New rainfall amounts between 2 and 3 inches possible.
Sunday
Tropical storm conditions possible. Rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 83. Southeast wind 32 to 37 mph decreasing to 20 to 25 mph. Winds could gust as high as 49 mph. Chance of precipitation is 100%. New rainfall amounts between 3 and 4 inches possible.
Sunday Night
Frequent showers. The rain could be heavy at times. Low around 68. Breezy, with a southeast wind 10 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between 2 and 3 inches possible.
Monday
Showers likely. The rain could be heavy at times. Mostly cloudy, with a high near 85. East wind around 10 mph. Chance of precipitation is 60%. New precipitation amounts between 1 and 2 inches possible.
Monday Night
Scattered showers, mainly after midnight. Partly cloudy, with a low around 68. East wind 11 to 14 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Scattered showers. Partly sunny, with a high near 85. East wind around 14 mph. Chance of precipitation is 30%.
Tuesday Night
Scattered showers, mainly after midnight. Partly cloudy, with a low around 68. Breezy, with a northeast wind 13 to 16 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Wednesday
Isolated showers before noon. Mostly sunny, with a high near 85. Breezy, with a north wind 16 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Wednesday Night
Isolated showers before midnight. Partly cloudy, with a low around 68. Breezy, with a northeast wind around 18 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Thursday
Sunny, with a high near 85. Breezy, with a north wind 18 to 21 mph, with gusts as high as 29 mph.
Thursday Night
Isolated showers. Partly cloudy, with a low around 68. Breezy, with a northeast wind 18 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.
Friday
Isolated showers. Mostly sunny, with a high near 85. Breezy, with a north wind 18 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.
Friday Night
Isolated showers. Partly cloudy, with a low around 68. Breezy, with a northeast wind 18 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.
Saturday
Isolated showers. Mostly sunny, with a high near 85. Breezy, with a north wind 18 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.
Click Map For Forecast
Point Forecast:
Waikapu HI
 20.82°N 156.52°W (Elev. 906 ft)
7:06 am HST Jul 23, 2016
3pm HST Jul 23, 2016-6pm HST Jul 30, 2016
 
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Additional Resources

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