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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

67°F

19°C

Humidity	91%
Wind Speed	NW 3 mph
Barometer	29.89 in (1012.8 mb)
Dewpoint	64°F (18°C)
Visibility	10.00 mi
Last update	11 Mar 6:54 am HST

More Information:

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

Extended Forecast for

Waikapu 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: 73 °F
Heavy Rain
and Breezy
Tonight
Low: 68 °F
Heavy Rain
Thursday
High: 74 °F
Heavy Rain
Thursday Night
Low: 67 °F
Heavy Rain
and Windy
Friday
High: 72 °F
Heavy Rain
and Very
Windy
Friday Night
Low: 67 °F
Heavy Rain
and Very
Windy
Saturday
High: 71 °F
Heavy Rain
and Very
Windy
Saturday Night
Low: 68 °F
Heavy Rain
and Windy

Detailed Forecast

Today

Showers, with thunderstorms also possible after noon. Some of the storms could produce heavy rainfall. Widespread haze. High near 73. Breezy, with a south southwest wind 6 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter 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 68. Southwest wind 10 to 14 mph, with gusts as high as 18 mph. 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 74. Southwest wind 8 to 13 mph becoming light south. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

Thursday Night

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Widespread haze. Low around 67. Windy, with a south wind 13 to 23 mph becoming east southeast in the evening. Winds could gust as high as 32 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

Friday

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Widespread haze. High near 72. Very windy, with a south wind 23 to 31 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

Friday Night

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Widespread haze. Low around 67. Very windy, with a south wind 31 to 34 mph, with gusts as high as 50 mph. Chance of precipitation is 100%. New rainfall amounts between 2 and 3 inches possible.

Saturday

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Widespread haze before noon. High near 71. Very windy, with a south southwest wind 28 to 34 mph, with gusts as high as 50 mph. Chance of precipitation is 100%.

Saturday Night

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 68. Windy, with a south southwest wind around 28 mph, with gusts as high as 40 mph. Chance of precipitation is 90%.

Sunday

Showers likely. The rain could be heavy at times. Cloudy, with a high near 72. Windy, with a south southwest wind 21 to 28 mph, with gusts as high as 40 mph. Chance of precipitation is 70%.

Sunday Night

Scattered showers. Cloudy, with a low around 68. Breezy, with a south southwest wind 16 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 50%.

Monday

Scattered showers. Mostly cloudy, with a high near 73. Breezy, with a south southwest wind 11 to 16 mph decreasing to 5 to 10 mph in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 50%.

Monday Night

Scattered showers. Mostly cloudy, with a low around 67. West wind 3 to 5 mph. Chance of precipitation is 30%.

Tuesday

Scattered showers. Mostly cloudy, with a high near 72. Light and variable wind. Chance of precipitation is 40%.