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Overview of the intense rainfall event over Oahu on February 21, 2026

Hazardous Weather Conditions

Current conditions at

Daniel K Inouye International Airport (PHNL)

Lat: 21.33°NLon: 157.94°WElev: 10ft.

Overcast

77°F

25°C

Humidity	66%
Wind Speed	SE 10 mph
Barometer	29.84 in (1010.2 mb)
Dewpoint	65°F (18°C)
Visibility	10.00 mi
Heat Index	79°F (26°C)
Last update	10 Mar 5:53 pm HST

More Information:

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

Extended Forecast for

Waipahu HI

Flood Watch until March 14, 06:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch until March 14, 06:00pm
NOW until 6:00pm Sat
Flood Watch
Tonight
Low: 71 °F
Heavy Rain
and Breezy
Wednesday
High: 79 °F
Heavy Rain
and Breezy
Wednesday Night
Low: 70 °F
Heavy Rain
Thursday
High: 79 °F
Heavy Rain
Thursday Night
Low: 70 °F
Heavy Rain
and Breezy
Friday
High: 77 °F
Heavy Rain
and Windy
Friday Night
Low: 70 °F
Heavy Rain
and Windy
Saturday
High: 79 °F
Heavy Rain
and Breezy

Detailed Forecast

Tonight

Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 71. Breezy, with a south wind 11 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

Wednesday

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 79. Breezy, with a south wind 10 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

Wednesday Night

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 70. South southwest wind around 11 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

Thursday

Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Cloudy, with a high near 79. South southwest wind 11 to 13 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

Thursday Night

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 70. Breezy, with a south wind 11 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between 2 and 3 inches possible.

Friday

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 77. Windy, with a south wind 18 to 25 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New rainfall amounts between 3 and 4 inches possible.

Friday Night

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 70. Windy, with a south southwest wind 22 to 25 mph, with gusts as high as 37 mph. Chance of precipitation is 100%.

Saturday

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 79. Breezy, with a southwest wind 18 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 90%.

Saturday Night

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 71. Breezy, with a southwest wind 18 to 20 mph, with gusts as high as 26 mph. Chance of precipitation is 90%.

Sunday

Scattered showers. Cloudy, with a high near 79. Breezy, with a southwest wind 10 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 50%.

Sunday Night

Scattered showers. Mostly cloudy, with a low around 70. Southwest wind 5 to 10 mph. Chance of precipitation is 50%.

Monday

Scattered showers. Mostly cloudy, with a high near 79. West wind 5 to 8 mph becoming north northwest in the afternoon. Chance of precipitation is 50%.

Monday Night

Scattered showers. Mostly cloudy, with a low around 69. North northwest wind 5 to 7 mph becoming light and variable in the evening. Chance of precipitation is 40%.

Tuesday

Scattered showers. Mostly cloudy, with a high near 77. Light and variable wind. Chance of precipitation is 30%.