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

Hazardous Weather Conditions

Flood Watch in effect from March 11, 06:00 AM HST until March 14, 06:00 PM HST

Current conditions at

Kahului, Kahului Airport (PHOG)

Lat: 20.89°NLon: 156.44°WElev: 52ft.

Light Rain

68°F

20°C

Humidity	90%
Wind Speed	Calm
Barometer	29.91 in (1013.3 mb)
Dewpoint	65°F (18°C)
Visibility	10.00 mi
Last update	11 Mar 7:54 am HST

More Information:

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

Extended Forecast for

5 Miles NNW Waihee-Waiehu 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
Today
High: 79 °F
Heavy Rain
Tonight
Low: 62 °F
Heavy Rain
Thursday
High: 79 °F
Heavy Rain
Thursday Night
Low: 63 °F
Heavy Rain
Friday
High: 78 °F
Heavy Rain
and Windy
Friday Night
Low: 62 °F
Heavy Rain
and Windy
Saturday
High: 77 °F
Heavy Rain
and Windy
Saturday Night
Low: 63 °F
Heavy Rain
and Breezy

Detailed Forecast

Today

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Widespread haze. High near 79. Northeast wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 100%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Widespread haze. Low around 62. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Widespread haze. High near 79. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 90%. 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. Widespread haze. Low around 63. South wind 7 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

Friday

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Widespread haze. High near 78. Windy, with a south wind 14 to 24 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

Friday Night

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Widespread haze. Low around 62. Windy, with a south wind 24 to 26 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

Saturday

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Widespread haze before noon. High near 77. Windy, with a south southwest wind 21 to 26 mph, with gusts as high as 38 mph. Chance of precipitation is 100%.

Saturday Night

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 63. Breezy, with a south southwest wind around 22 mph, with gusts as high as 31 mph. Chance of precipitation is 90%.

Sunday

Showers likely. The rain could be heavy at times. Cloudy, with a high near 78. Breezy, with a south southwest wind 15 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 70%.

Sunday Night

Scattered showers. Mostly cloudy, with a low around 63. Breezy, with a south southwest wind 11 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.

Monday

Scattered showers. Mostly cloudy, with a high near 78. South southwest wind 6 to 11 mph becoming light and variable in the afternoon. Chance of precipitation is 40%.

Monday Night

Scattered showers. Mostly cloudy, with a low around 62. Light and variable wind. Chance of precipitation is 30%.

Tuesday

Scattered showers. Mostly cloudy, with a high near 77. Calm wind becoming northeast 5 to 7 mph in the afternoon. Chance of precipitation is 40%.