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

Kailua / Kona, Keahole Airport (PHKO)

Lat: 19.74°NLon: 156.05°WElev: 43ft.

A Few Clouds

81°F

27°C

Humidity 67%
Wind Speed NE 16 mph
Barometer 29.86 in (1011.3 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 22 Jul 11:53 pm HST
Extended Forecast for

Kailua Kona HI

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

    NOW until
    6:00pm Sun

    Flash Flood Watch

  • Overnight

    Overnight: Isolated showers.  Partly cloudy, with a low around 74. Very windy, with a northeast wind 13 to 18 mph increasing to 26 to 31 mph. Winds could gust as high as 38 mph.  Chance of precipitation is 20%.

    Isolated
    Showers and
    Very Windy

    Low: 74 °F

  • Saturday

    Saturday: Frequent showers before noon, then rain and possibly a thunderstorm after noon. Some of the storms could produce heavy rainfall.  High near 88. Strong and damaging winds, with a north wind 37 to 42 mph increasing to 45 to 50 mph in the afternoon. Winds could gust as high as 65 mph.  Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    Heavy Rain
    and Damaging
    Winds

    High: 88 °F

  • Saturday
    Night

    Saturday Night: Tropical storm conditions expected. Rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall.  Low around 74. Northwest wind 45 to 55 mph becoming southwest 31 to 36 mph. Winds could gust as high as 65 mph.  Chance of precipitation is 100%. New rainfall amounts between 3 and 4 inches possible.

    Tropical
    Storm
    Conditions
    Expected

    Low: 74 °F

  • Sunday

    Sunday: Tropical storm conditions expected. Showers likely. The rain could be heavy at times.  Mostly cloudy, with a high near 88. South wind 28 to 33 mph decreasing to 14 to 19 mph. Winds could gust as high as 40 mph.  Chance of precipitation is 70%. New precipitation amounts between 2 and 3 inches possible.

    Tropical
    Storm
    Conditions
    Expected

    High: 88 °F

  • Sunday
    Night

    Sunday Night: Tropical storm conditions possible. Scattered showers.  Mostly cloudy, with a low around 74. Chance of precipitation is 40%. New precipitation amounts between 1 and 2 inches possible.

    Tropical
    Storm
    Conditions
    Possible

    Low: 74 °F

  • Monday

    Monday: Scattered showers, mainly after noon.  Mostly sunny, with a high near 88. West wind 5 to 7 mph.  Chance of precipitation is 30%. New precipitation amounts between a half and three quarters of an inch possible.

    Scattered
    Showers

    High: 88 °F

  • Monday
    Night

    Monday Night: Scattered showers, mainly before midnight.  Widespread haze. Mostly cloudy, with a low around 74. East wind around 6 mph.  Chance of precipitation is 40%.

    Scattered
    Showers

    Low: 74 °F

  • Tuesday

    Tuesday: Isolated showers after noon.  Widespread haze. Partly sunny, with a high near 88. Northwest wind 3 to 5 mph.  Chance of precipitation is 20%.

    Haze then
    Isolated
    Showers

    High: 88 °F

Detailed Forecast

Overnight
Isolated showers. Partly cloudy, with a low around 74. Very windy, with a northeast wind 13 to 18 mph increasing to 26 to 31 mph. Winds could gust as high as 38 mph. Chance of precipitation is 20%.
Saturday
Frequent showers before noon, then rain and possibly a thunderstorm after noon. Some of the storms could produce heavy rainfall. High near 88. Strong and damaging winds, with a north wind 37 to 42 mph increasing to 45 to 50 mph in the afternoon. Winds could gust as high as 65 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Saturday Night
Tropical storm conditions expected. Rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 74. Northwest wind 45 to 55 mph becoming southwest 31 to 36 mph. Winds could gust as high as 65 mph. Chance of precipitation is 100%. New rainfall amounts between 3 and 4 inches possible.
Sunday
Tropical storm conditions expected. Showers likely. The rain could be heavy at times. Mostly cloudy, with a high near 88. South wind 28 to 33 mph decreasing to 14 to 19 mph. Winds could gust as high as 40 mph. Chance of precipitation is 70%. New precipitation amounts between 2 and 3 inches possible.
Sunday Night
Tropical storm conditions possible. Scattered showers. Mostly cloudy, with a low around 74. Chance of precipitation is 40%. New precipitation amounts between 1 and 2 inches possible.
Monday
Scattered showers, mainly after noon. Mostly sunny, with a high near 88. West wind 5 to 7 mph. Chance of precipitation is 30%. New precipitation amounts between a half and three quarters of an inch possible.
Monday Night
Scattered showers, mainly before midnight. Widespread haze. Mostly cloudy, with a low around 74. East wind around 6 mph. Chance of precipitation is 40%.
Tuesday
Isolated showers after noon. Widespread haze. Partly sunny, with a high near 88. Northwest wind 3 to 5 mph. Chance of precipitation is 20%.
Tuesday Night
Widespread haze. Partly cloudy, with a low around 74. Light east wind.
Wednesday
Isolated showers after noon. Widespread haze. Mostly sunny, with a high near 88. Light and variable wind becoming northwest around 6 mph in the morning. Chance of precipitation is 20%.
Wednesday Night
Widespread haze. Partly cloudy, with a low around 74. North wind around 6 mph.
Thursday
Widespread haze. Mostly sunny, with a high near 88. Northwest wind around 6 mph.
Thursday Night
Widespread haze. Partly cloudy, with a low around 74. Northwest wind around 6 mph becoming calm in the evening.
Friday
Widespread haze. Mostly sunny, with a high near 88. Calm wind becoming northwest around 6 mph in the morning.
Click Map For Forecast
Point Forecast:
Kailua Kona HI
 19.63°N 156°W (Elev. 0 ft)
11:15 pm HST Jul 22, 2016
12am HST Jul 23, 2016-6pm HST Jul 28, 2016
 
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Additional Resources

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