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March 2026 Severe Weather and Flash Flooding - 3/10 to 3/24

Hazardous Weather Conditions

Flood Watch until April 13, 06:00 PM HST

Current conditions at

Daniel K Inouye International Airport (PHNL)

Lat: 21.33°NLon: 157.94°WElev: 10ft.

Mostly Cloudy

75°F

24°C

Humidity	84%
Wind Speed	S 6 mph
Barometer	30.00 in (1015.8 mb)
Dewpoint	70°F (21°C)
Visibility	10.00 mi
Last update	11 Apr 9:53 pm HST

More Information:

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

Extended Forecast for

Honolulu HI

Flood Watch April 11, 10:33pm until April 13, 06:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch April 11, 10:33pm until April 13, 06:00pm
NOW until 6:00pm Mon
Flood Watch
Tonight
Low: 74 °F
Heavy Rain
Sunday
High: 79 °F
Heavy Rain
Sunday Night
Low: 71 °F
Heavy Rain
Monday
High: 81 °F
Heavy Rain
Monday Night
Low: 74 °F
Heavy Rain
then Cloudy
Tuesday
High: 82 °F
Cloudy then
Isolated
Showers
Tuesday Night
Low: 74 °F
Isolated
Showers then
Cloudy
Wednesday
High: 82 °F
Cloudy then
Scattered
Showers

Detailed Forecast

Tonight

Scattered showers, then showers and possibly a thunderstorm after 2am. Some of the storms could produce heavy rainfall. Low around 74. Light and variable wind becoming north northwest 5 to 8 mph after midnight. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

Sunday

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 79. North wind 5 to 8 mph. Chance of precipitation is 90%. New rainfall amounts between 2 and 3 inches possible.

Sunday Night

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 71. North wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

Monday

Showers and possibly a thunderstorm before 8am, then isolated showers. Some of the storms could produce heavy rainfall. High near 81. Light and variable wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Monday Night

Isolated showers before 8pm. The rain could be heavy at times. Cloudy, with a low around 74. Calm wind. Chance of precipitation is 20%.

Tuesday

Isolated showers after 2pm. Cloudy, with a high near 82. Light south wind. Chance of precipitation is 20%.

Tuesday Night

Isolated showers before 8pm. Cloudy, with a low around 74. Calm wind becoming east northeast around 6 mph after midnight. Chance of precipitation is 20%.

Wednesday

Scattered showers after noon. Cloudy, with a high near 82. East northeast wind 5 to 7 mph. Chance of precipitation is 30%.

Wednesday Night

Scattered showers. Mostly cloudy, with a low around 74. East northeast wind 7 to 9 mph. Chance of precipitation is 40%.

Thursday

Scattered showers, mainly before 10am. Mostly cloudy, with a high near 83. East wind 7 to 9 mph. Chance of precipitation is 40%.

Thursday Night

Scattered showers. Mostly cloudy, with a low around 74. East northeast wind 8 to 11 mph. Chance of precipitation is 40%.

Friday

Scattered showers. Mostly cloudy, with a high near 82. East northeast wind 8 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.

Friday Night

Scattered showers. Mostly cloudy, with a low around 73. East northeast wind 7 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 40%.

Saturday

Scattered showers. Partly sunny, with a high near 83. Northeast wind 5 to 7 mph. Chance of precipitation is 30%.