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

Lahaina - West Maui (PHJH)

Lat: 20.96°NLon: 156.67°WElev: 210ft.

Rain and Breezy

77°F

25°C

Humidity 94%
Wind Speed N 25 G 37 mph
Barometer 29.88 in
Dewpoint 75°F (24°C)
Visibility 5.00 mi
Heat Index78°F (26°C)
Last update 23 Jul 12:44 pm HST
Extended Forecast for

6 Miles WSW Waikapu HI

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

    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 86. Northeast wind 26 to 31 mph, with gusts as high as 37 mph.  Chance of precipitation is 70%. New precipitation amounts between three quarters and one inch possible.

    Tropical
    Storm
    Conditions
    Possible

    High: 86 °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 75. 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: 75 °F

  • Sunday

    Sunday: Tropical storm conditions expected. Rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall.  High near 87. East wind 32 to 37 mph becoming south 22 to 27 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
    Expected

    High: 87 °F

  • Sunday
    Night

    Sunday Night: Frequent showers. The rain could be heavy at times.  Low around 75. Breezy, with a southeast wind 10 to 18 mph, with gusts as high as 29 mph.  Chance of precipitation is 90%. New precipitation amounts between 2 and 3 inches possible.

    Heavy Rain
    and Breezy
    then Heavy
    Rain

    Low: 75 °F

  • Monday

    Monday: Showers likely, mainly before noon. The rain could be heavy at times.  Mostly cloudy, with a high near 88. East wind 7 to 10 mph.  Chance of precipitation is 60%. New precipitation amounts between three quarters and one inch possible.

    Heavy Rain

    High: 88 °F

  • Monday
    Night

    Monday Night: Scattered showers, mainly after midnight.  Partly cloudy, with a low around 75. East wind 9 to 13 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Scattered
    Showers

    Low: 75 °F

  • Tuesday

    Tuesday: Scattered showers, mainly after noon.  Mostly sunny, with a high near 88. East wind 11 to 13 mph.  Chance of precipitation is 30%.

    Scattered
    Showers

    High: 88 °F

  • Tuesday
    Night

    Tuesday Night: Scattered showers, mainly after midnight.  Partly cloudy, with a low around 75. East wind around 10 mph.  Chance of precipitation is 30%.

    Scattered
    Showers

    Low: 75 °F

Detailed Forecast

This Afternoon
Tropical storm conditions possible. Showers likely. The rain could be heavy at times. Mostly cloudy, with a high near 86. Northeast wind 26 to 31 mph, with gusts as high as 37 mph. Chance of precipitation is 70%. New precipitation amounts between three quarters and one 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 75. 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 expected. Rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 87. East wind 32 to 37 mph becoming south 22 to 27 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 75. Breezy, with a southeast wind 10 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New precipitation amounts between 2 and 3 inches possible.
Monday
Showers likely, mainly before noon. The rain could be heavy at times. Mostly cloudy, with a high near 88. East wind 7 to 10 mph. Chance of precipitation is 60%. New precipitation amounts between three quarters and one inch possible.
Monday Night
Scattered showers, mainly after midnight. Partly cloudy, with a low around 75. East wind 9 to 13 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Scattered showers, mainly after noon. Mostly sunny, with a high near 88. East wind 11 to 13 mph. Chance of precipitation is 30%.
Tuesday Night
Scattered showers, mainly after midnight. Partly cloudy, with a low around 75. East wind around 10 mph. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 88. Breezy, with a northeast wind 10 to 16 mph, with gusts as high as 22 mph.
Wednesday Night
Mostly clear, with a low around 75. Breezy, with a northeast wind around 16 mph, with gusts as high as 22 mph.
Thursday
Sunny, with a high near 88. Breezy, with a northeast wind 15 to 18 mph, with gusts as high as 25 mph.
Thursday Night
Isolated showers. Partly cloudy, with a low around 75. Breezy, with a northeast wind 15 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Friday
Sunny, with a high near 88. Breezy, with a northeast wind 15 to 18 mph, with gusts as high as 25 mph.
Click Map For Forecast
Point Forecast:
6 Miles WSW Waikapu HI
 20.82°N 156.62°W (Elev. 190 ft)
7:06 am HST Jul 23, 2016
1pm HST Jul 23, 2016-6pm HST Jul 29, 2016
 
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Additional Resources

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