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

Hazardous Weather Conditions

Current conditions at

Kaneohe, Marine Corps Air Station (PHNG)

Lat: 21.45°NLon: 157.77°WElev: 16ft.

Mostly Cloudy

73°F

23°C

Humidity	76%
Wind Speed	E 12 G 22 mph
Barometer	29.91 in (1012.4 mb)
Dewpoint	65°F (18°C)
Visibility	7.00 mi
Last update	9 Mar 6:57 am HST

More Information:

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

Extended Forecast for

2 Miles SE Waimanalo Beach HI

Flood Watch March 10, 06:00pm until March 14, 06:00pm

Click here for hazard details and duration

Flood Watch

Today
High: 77 °F
Isolated
Showers
Tonight
Low: 72 °F
Scattered
Showers then
Heavy Rain
Tuesday
High: 78 °F
Heavy Rain
and Breezy
Tuesday Night
Low: 73 °F
Heavy Rain
and Breezy
Wednesday
High: 78 °F
Heavy Rain
and Breezy
Wednesday Night
Low: 73 °F
Heavy Rain
and Breezy
Thursday
High: 78 °F
Heavy Rain
and Breezy
Thursday Night
Low: 72 °F
Heavy Rain
and Windy
Friday
High: 77 °F
Heavy Rain
and Windy

Detailed Forecast

Today

Isolated showers. Widespread haze after 11am. Mostly cloudy, with a high near 77. East southeast wind 10 to 14 mph. Chance of precipitation is 20%.

Tonight

Scattered showers, then showers likely and possibly a thunderstorm after midnight. Some of the storms could produce heavy rainfall. Widespread haze. Mostly cloudy, with a low around 72. East southeast wind 6 to 11 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tuesday

Showers likely and possibly a thunderstorm before 11am, then scattered showers and thunderstorms after 11am. Some of the storms could produce heavy rainfall. Widespread haze. Mostly cloudy, with a high near 78. Breezy, with a southeast wind 6 to 11 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tuesday Night

Showers likely. The rain could be heavy at times. Mostly cloudy, with a low around 73. Breezy, with a south wind 15 to 21 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New precipitation 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 78. Breezy, with a south wind 17 to 21 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

Wednesday Night

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 73. Breezy, with a south southwest wind around 17 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

Thursday

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 78. Breezy, with a south wind 11 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 90%.

Thursday Night

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 72. Windy, with a south wind 11 to 16 mph increasing to 18 to 23 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 100%.

Friday

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 77. Windy, with a south wind 23 to 25 mph, with gusts as high as 32 mph. Chance of precipitation is 80%.

Friday Night

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 73. Windy, with a south wind 24 to 30 mph, with gusts as high as 39 mph. Chance of precipitation is 90%.

Saturday

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 78. Windy, with a south southwest wind 28 to 30 mph, with gusts as high as 39 mph. Chance of precipitation is 80%.

Saturday Night

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 72. Windy, with a south southwest wind 24 to 29 mph, with gusts as high as 37 mph. Chance of precipitation is 90%.

Sunday

Scattered showers. Mostly cloudy, with a high near 78. Windy, with a southwest wind 20 to 24 mph, with gusts as high as 31 mph. Chance of precipitation is 40%.