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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.

Heavy Rain Fog/Mist

69°F

21°C

Humidity	93%
Wind Speed	S 7 G 20 mph
Barometer	29.83 in (1009.5 mb)
Dewpoint	67°F (19°C)
Visibility	3.00 mi
Last update	11 Mar 3:57 am HST

More Information:

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

Extended Forecast for

3 Miles SSW Maunawili HI

Flood Watch March 11, 05:05am until March 14, 06:00pm

Flood Advisory March 11, 05:05am until March 11, 05:45am

Click here for hazard details and duration

Flood Watch

Flood Advisory

Flood Watch March 11, 05:05am until March 14, 06:00pm
Flood Advisory March 11, 05:05am until March 11, 05:45am
NOW: Multiple hazards in effect
Click HERE for Details
Overnight
Low: 68 °F
Heavy Rain
and Breezy
Wednesday
High: 75 °F
Heavy Rain
and Breezy
Wednesday Night
Low: 67 °F
Heavy Rain
and Breezy
Thursday
High: 74 °F
Heavy Rain
and Breezy
Thursday Night
Low: 66 °F
Heavy Rain
and Windy
Friday
High: 73 °F
Heavy Rain
and Very
Windy
Friday Night
Low: 66 °F
Heavy Rain
and Very
Windy
Saturday
High: 75 °F
Heavy Rain
and Very
Windy

Detailed Forecast

Overnight

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 68. Breezy, with a south wind around 17 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Widespread haze after noon. High near 75. Breezy, with a south southwest wind 17 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New rainfall amounts between 2 and 3 inches possible.

Wednesday Night

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Widespread haze. Low around 67. Breezy, with a south southwest wind 13 to 20 mph, with gusts as high as 28 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. Widespread haze. High near 74. Breezy, with a south southwest wind 16 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

Thursday Night

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Widespread haze. Low around 66. Windy, with a south wind 16 to 21 mph increasing to 23 to 28 mph after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

Friday

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Widespread haze before 10am. High near 73. Very windy, with a south wind 28 to 34 mph, with gusts as high as 50 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

Friday Night

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 66. Very windy, with a south southwest wind 32 to 34 mph, with gusts as high as 50 mph. Chance of precipitation is 100%.

Saturday

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 75. Very windy, with a southwest wind 26 to 32 mph, with gusts as high as 47 mph. Chance of precipitation is 100%.

Saturday Night

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 67. Windy, with a southwest wind 25 to 28 mph, with gusts as high as 40 mph. Chance of precipitation is 90%.

Sunday

Scattered showers. Mostly cloudy, with a high near 75. Windy, with a southwest wind 17 to 25 mph, with gusts as high as 36 mph. Chance of precipitation is 30%.

Sunday Night

Isolated showers. Mostly cloudy, with a low around 67. Breezy, with a southwest wind 11 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

Monday

Scattered showers. Partly sunny, with a high near 75. West southwest wind 6 to 13 mph becoming north northwest in the afternoon. Chance of precipitation is 30%.

Monday Night

Scattered showers. Mostly cloudy, with a low around 66. North northwest wind around 6 mph becoming calm after midnight. Chance of precipitation is 30%.

Tuesday

Scattered showers. Mostly cloudy, with a high near 74. Calm wind becoming north northeast around 5 mph in the afternoon. Chance of precipitation is 30%.