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

Hazardous Weather Conditions

Current conditions at

Kailua / Kona, Keahole Airport (PHKO)

Lat: 19.74°NLon: 156.05°WElev: 43ft.

Fair

74°F

23°C

Humidity	67%
Wind Speed	NE 9 mph
Barometer	29.96 in (1014.4 mb)
Dewpoint	62°F (17°C)
Visibility	10.00 mi
Last update	9 Mar 12:53 am HST

More Information:

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

Extended Forecast for

Captain Cook HI

Overnight
Low: 65 °F
Haze
Monday
High: 80 °F
Isolated
Showers
Monday Night
Low: 66 °F
Isolated
Showers
Tuesday
High: 80 °F
Scattered
Showers
Tuesday Night
Low: 69 °F
Scattered
Showers
Wednesday
High: 82 °F
Heavy Rain
and Breezy
Wednesday Night
Low: 72 °F
Heavy Rain
and Breezy
Thursday
High: 82 °F
Heavy Rain
and Breezy
Thursday Night
Low: 70 °F
Heavy Rain

Detailed Forecast

Overnight

Widespread haze. Partly cloudy, with a low around 65. Light east wind.

Monday

Isolated showers. Widespread haze. Mostly sunny, with a high near 80. Calm wind becoming west 5 to 9 mph. Chance of precipitation is 20%.

Monday Night

Isolated showers. Widespread haze. Partly cloudy, with a low around 66. Light west northwest wind. Chance of precipitation is 20%.

Tuesday

Scattered showers, mainly after noon. Widespread haze before noon. Mostly sunny, with a high near 80. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Tuesday Night

Scattered showers. Mostly cloudy, with a low around 69. Light south southwest wind becoming south 5 to 10 mph after midnight. Chance of precipitation is 30%.

Wednesday

Scattered showers and thunderstorms. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 82. Breezy, with a south southwest wind 10 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

Scattered showers and thunderstorms. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 72. Breezy, with a south wind 11 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.

Thursday

Scattered showers and thunderstorms. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 82. Breezy, with a south southwest wind 11 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.

Thursday Night

Scattered showers and thunderstorms. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 70. South southeast wind 5 to 11 mph. Chance of precipitation is 50%.

Friday

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 84. Windy, with a south wind 10 to 15 mph increasing to 18 to 23 mph in the morning. Winds could gust as high as 32 mph. Chance of precipitation is 80%.

Friday Night

Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 71. Windy, with a south wind 21 to 25 mph, with gusts as high as 36 mph. Chance of precipitation is 70%.

Saturday

Scattered showers and thunderstorms. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 83. Windy, with a south wind 24 to 29 mph, with gusts as high as 41 mph. Chance of precipitation is 50%.

Saturday Night

Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 70. Windy, with a south wind 23 to 25 mph, with gusts as high as 37 mph. Chance of precipitation is 70%.

Sunday

Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 83. Windy, with a south wind 18 to 23 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 60%.