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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.

Overcast

74°F

23°C

Humidity	79%
Wind Speed	E 13 G 26 mph
Barometer	30.00 in (1015.3 mb)
Dewpoint	67°F (19°C)
Visibility	10.00 mi
Last update	7 Mar 11:57 pm HST

More Information:

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

Extended Forecast for

3 Miles ESE Waimanalo Beach HI

Overnight
Low: 73 °F
Mostly Clear
and Breezy
Sunday
High: 78 °F
Sunny and
Breezy
Sunday Night
Low: 72 °F
Isolated
Showers and
Breezy
Monday
High: 77 °F
Isolated
Showers
Monday Night
Low: 72 °F
Scattered
Showers
Tuesday
High: 78 °F
Heavy Rain
and Breezy
Tuesday Night
Low: 72 °F
Heavy Rain
and Breezy
Wednesday
High: 77 °F
Heavy Rain
and Breezy
Wednesday Night
Low: 72 °F
Heavy Rain
and Breezy

Detailed Forecast

Overnight

Mostly clear, with a low around 73. Breezy, with an east wind around 21 mph, with gusts as high as 26 mph.

Sunday

Sunny, with a high near 78. Breezy, with an east wind 16 to 21 mph, with gusts as high as 26 mph.

Sunday Night

Isolated showers. Partly cloudy, with a low around 72. Breezy, with an east wind 11 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

Monday

Isolated showers. Mostly sunny, with a high near 77. East wind 7 to 11 mph. Chance of precipitation is 20%.

Monday Night

Scattered showers, mainly after 7pm. Cloudy, with a low around 72. Southeast wind 5 to 10 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

Tuesday

Scattered showers, then periods of rain and possibly a thunderstorm after 11am. Some of the storms could produce heavy rainfall. High near 78. Breezy, with a south wind 10 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tuesday Night

Periods of rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 72. Breezy, with a south wind 17 to 21 mph, with gusts as high as 26 mph. Chance of precipitation is 90%.

Wednesday

Periods of rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 77. Breezy, with a south wind 17 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.

Wednesday Night

Periods of rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 72. Breezy, with a south wind around 17 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.

Thursday

Periods of rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 78. Breezy, with a south wind around 17 mph, with gusts as high as 22 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 71. Breezy, with a south wind 16 to 18 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.

Friday

Periods of rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 77. Windy, with a south wind 18 to 24 mph, with gusts as high as 31 mph. Chance of precipitation is 80%.

Friday Night

Showers likely. Mostly cloudy, with a low around 73. Windy, with a south southwest wind around 24 mph, with gusts as high as 31 mph. Chance of precipitation is 60%.

Saturday

Showers likely. Mostly cloudy, with a high near 78. Windy, with a south southwest wind 21 to 23 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.