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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

76°F

24°C

Humidity	69%
Wind Speed	E 12 G 22 mph
Barometer	29.94 in (1013.2 mb)
Dewpoint	65°F (18°C)
Visibility	7.00 mi
Heat Index	78°F (26°C)
Last update	9 Mar 8:57 am HST

More Information:

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

Extended Forecast for

4 Miles SSW Waimanalo HI

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

Click here for hazard details and duration

Flood Watch

Today
High: 76 °F
Isolated
Showers
Tonight
Low: 69 °F
Scattered
Showers then
Heavy Rain
Tuesday
High: 76 °F
Heavy Rain
and Breezy
Tuesday Night
Low: 70 °F
Heavy Rain
and Windy
Wednesday
High: 76 °F
Heavy Rain
and Windy
Wednesday Night
Low: 70 °F
Heavy Rain
and Breezy
Thursday
High: 76 °F
Heavy Rain
and Breezy
Thursday Night
Low: 70 °F
Heavy Rain
and Windy
Friday
High: 75 °F
Heavy Rain
and Windy

Detailed Forecast

Today

Isolated showers. Widespread haze after 11am. Mostly cloudy, with a high near 76. East southeast wind 8 to 14 mph, with gusts as high as 18 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 69. East wind 3 to 8 mph. Chance of precipitation is 70%. 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 76. Breezy, with a light and variable wind becoming south 13 to 18 mph in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 70%. 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 70. Windy, with a south wind 17 to 23 mph, with gusts as high as 32 mph. Chance of precipitation is 70%. New precipitation amounts between three quarters and one inch possible.

Wednesday

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 76. Windy, with a south wind 18 to 23 mph, with gusts as high as 32 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 70. Breezy, with a south southwest wind 18 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. High near 76. Breezy, with a south wind 15 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.

Thursday Night

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 70. Windy, with a south wind 15 to 25 mph, with gusts as high as 36 mph. Chance of precipitation is 100%.

Friday

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 75. Windy, with a south wind 25 to 29 mph, with gusts as high as 41 mph. Chance of precipitation is 80%.

Friday Night

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 70. Windy, with a south wind 28 to 30 mph, with gusts as high as 44 mph. Chance of precipitation is 90%.

Saturday

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 75. Windy, with a south southwest wind around 30 mph, with gusts as high as 44 mph. Chance of precipitation is 80%.

Saturday Night

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 69. Windy, with a south southwest wind 25 to 30 mph, with gusts as high as 44 mph. Chance of precipitation is 90%.

Sunday

Scattered showers. Mostly cloudy, with a high near 75. Windy, with a southwest wind 21 to 25 mph, with gusts as high as 36 mph. Chance of precipitation is 40%.