Impacts from Lowell to impact the islands through Tuesday

Lowell is expected to bring various impacts to all islands through Tuesday. High surf will continue through Monday night. Flooding will be possible as showers and thunderstorms develop Sunday night through Tuesday, and there is the possibility for some tornadoes/waterspouts Monday and Monday night. Tropical storm force winds are expected to reach Kauai and Niihau late Monday through Monday night. Read More >

Hazardous Weather Conditions

Flood Watch until September 8, 06:00 PM HST

Current conditions at

Kahului, Kahului Airport (PHOG)

Lat: 20.89°NLon: 156.44°WElev: 52ft.

Partly Cloudy

86°F

30°C

Humidity	67%
Wind Speed	NE 18 G 31 mph
Barometer	29.76 in (1008.1 mb)
Dewpoint	74°F (23°C)
Visibility	10.00 mi
Heat Index	94°F (34°C)
Last update	7 Sep 10:54 am HST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

5 Miles NW Waikapu HI

Flood Watch September 7, 11:29am until September 8, 06:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch September 7, 11:29am until September 8, 06:00pm
NOW until 6:00pm Tue
Flood Watch
Labor Day
High: 78 °F
Heavy Rain
Tonight
Low: 63 °F
Tropical
Storm
Conditions
Possible
Tuesday
High: 78 °F
Heavy Rain
and Damaging
Winds
Tuesday Night
Low: 62 °F
Showers
Likely
Wednesday
High: 77 °F
Showers
Likely
Wednesday Night
Low: 60 °F
Showers
Likely
Thursday
High: 75 °F
Scattered
Showers
Thursday Night
Low: 59 °F
Scattered
Showers

Detailed Forecast

Labor Day

Frequent showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 78. East wind 8 to 13 mph becoming south in the afternoon. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

Tonight

Tropical storm conditions possible. Frequent showers. The rain could be heavy at times. Low around 63. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

Tuesday

Frequent showers. The rain could be heavy at times. High near 78. Strong and damaging winds, with a south southwest wind 30 to 40 mph decreasing to 10 to 20 mph. Winds could gust as high as 48 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Tuesday Night

Showers likely, mainly before midnight. Mostly cloudy, with a low around 62. South wind 5 to 10 mph becoming light and variable after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Wednesday

Showers likely, mainly before noon. Mostly cloudy, with a high near 77. Light east wind becoming east northeast 5 to 9 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Wednesday Night

Showers likely, mainly before midnight. Mostly cloudy, with a low around 60. East northeast wind 6 to 9 mph. Chance of precipitation is 60%.

Thursday

Scattered showers. Partly sunny, with a high near 75. East northeast wind 6 to 8 mph. Chance of precipitation is 40%.

Thursday Night

Scattered showers, mainly before midnight. Mostly cloudy, with a low around 59. East northeast wind around 8 mph. Chance of precipitation is 40%.

Friday

Isolated showers. Mostly sunny, with a high near 75. East northeast wind 6 to 8 mph. Chance of precipitation is 20%.

Friday Night

Scattered showers, mainly before midnight. Partly cloudy, with a low around 59. East wind 5 to 8 mph. Chance of precipitation is 30%.

Saturday

Scattered showers. Mostly sunny, with a high near 75. Calm wind becoming east 5 to 7 mph in the afternoon. Chance of precipitation is 30%.