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

Hazardous Weather Conditions

Hydrologic Outlook

Current conditions at

Kaneohe, Marine Corps Air Station (PHNG)

Lat: 21.45°NLon: 157.77°WElev: 16ft.

Mostly Cloudy

75°F

24°C

Humidity	76%
Wind Speed	E 12 G 24 mph
Barometer	30.02 in (1015.9 mb)
Dewpoint	67°F (19°C)
Visibility	7.00 mi
Last update	7 Mar 9:57 pm HST

More Information:

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

Extended Forecast for

4 Miles SW Waimanalo Beach HI

Tonight
Low: 71 °F
Isolated
Showers and
Breezy
Sunday
High: 77 °F
Isolated
Showers and
Breezy
Sunday Night
Low: 70 °F
Scattered
Showers and
Breezy
Monday
High: 77 °F
Isolated
Showers
Monday Night
Low: 69 °F
Scattered
Showers then
Heavy Rain
Tuesday
High: 78 °F
Heavy Rain
and Breezy
Tuesday Night
Low: 70 °F
Heavy Rain
and Windy
Wednesday
High: 76 °F
Heavy Rain
and Breezy
Wednesday Night
Low: 70 °F
Heavy Rain
and Breezy

Detailed Forecast

Tonight

Isolated showers. Partly cloudy, with a low around 71. Breezy, with an east wind around 15 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

Sunday

Isolated showers. Mostly sunny, with a high near 77. Breezy, with an east wind 14 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

Sunday Night

Scattered showers, mainly after midnight. Partly cloudy, with a low around 70. Breezy, with an east wind 10 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Monday

Isolated showers. Mostly sunny, with a high near 77. East southeast wind 7 to 10 mph. Chance of precipitation is 20%.

Monday Night

Scattered showers, then periods of rain and possibly a thunderstorm after midnight. Some of the storms could produce heavy rainfall. Low around 69. Southeast wind 5 to 11 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tuesday

Periods of rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 78. Breezy, with a south wind 11 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Tuesday Night

Periods of rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 70. Windy, with a south wind 18 to 23 mph, with gusts as high as 32 mph. Chance of precipitation is 100%.

Wednesday

Periods of rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 76. Breezy, with a south wind 18 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 100%.

Wednesday Night

Periods of rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 70. Breezy, with a south wind 16 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 80%.

Thursday

Periods of rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 77. Breezy, with a south wind around 17 mph, with gusts as high as 24 mph. Chance of precipitation is 80%.

Thursday Night

Periods of rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 70. Breezy, with a south wind 17 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 80%.

Friday

Periods of rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 76. Windy, with a south wind 21 to 25 mph, with gusts as high as 36 mph. Chance of precipitation is 80%.

Friday Night

Showers likely. Mostly cloudy, with a low around 70. Windy, with a south southwest wind around 25 mph, with gusts as high as 36 mph. Chance of precipitation is 60%.

Saturday

Showers likely. Mostly cloudy, with a high near 78. Windy, with a south southwest wind around 25 mph, with gusts as high as 36 mph. Chance of precipitation is 60%.