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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.

Partly Cloudy

80°F

27°C

Humidity	58%
Wind Speed	N 7 mph
Barometer	29.81 in (1010.1 mb)
Dewpoint	64°F (18°C)
Visibility	10.00 mi
Heat Index	82°F (28°C)
Last update	10 Mar 3:54 pm HST

More Information:

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

Extended Forecast for

2 Miles NW Waihee-Waiehu HI

Flood Watch March 11, 06:00am until March 14, 06:00pm

Click here for hazard details and duration

Flood Watch

Tonight
Low: 67 °F
Mostly Cloudy
Wednesday
High: 78 °F
Isolated
T-storms then
Heavy Rain
Wednesday Night
Low: 68 °F
Heavy Rain
Thursday
High: 77 °F
Scattered
Showers
Thursday Night
Low: 68 °F
Scattered
Showers
Friday
High: 75 °F
Heavy Rain
and Breezy
Friday Night
Low: 68 °F
Heavy Rain
and Windy
Saturday
High: 75 °F
Heavy Rain
and Breezy
Saturday Night
Low: 69 °F
Heavy Rain
and Breezy

Detailed Forecast

Tonight

Mostly cloudy, with a low around 67. East wind around 5 mph becoming calm in the evening.

Wednesday

Isolated showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 78. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Wednesday Night

Showers likely and possibly a thunderstorm before midnight, then scattered showers and thunderstorms after midnight. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 68. South wind 6 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday

Scattered showers and thunderstorms. Mostly cloudy, with a high near 77. South wind around 7 mph. Chance of precipitation is 40%. New rainfall amounts between a quarter and half of an inch possible.

Thursday Night

Scattered showers and thunderstorms. Cloudy, with a low around 68. South wind 6 to 8 mph. Chance of precipitation is 50%. New rainfall amounts between 1 and 2 inches possible.

Friday

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 75. Breezy, with a south wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between 2 and 3 inches possible.

Friday Night

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 68. Windy, with a south wind 20 to 24 mph, with gusts as high as 34 mph. Chance of precipitation is 100%.

Saturday

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 75. Breezy, with a south southwest wind 18 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 90%.

Saturday Night

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 69. Breezy, with a south southwest wind around 18 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.

Sunday

Showers likely. The rain could be heavy at times. Cloudy, with a high near 75. Breezy, with a south southwest wind 11 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 70%.

Sunday Night

Scattered showers. Cloudy, with a low around 68. South southwest wind 9 to 11 mph. Chance of precipitation is 40%.

Monday

Scattered showers. Mostly cloudy, with a high near 76. South southwest wind 5 to 9 mph becoming north northwest in the afternoon. Chance of precipitation is 40%.

Monday Night

Scattered showers. Mostly cloudy, with a low around 67. North northwest wind 5 to 7 mph becoming east after midnight. Chance of precipitation is 30%.

Tuesday

Scattered showers. Mostly cloudy, with a high near 74. East wind 3 to 5 mph. Chance of precipitation is 50%.