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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.

Light Rain

74°F

23°C

Humidity	76%
Wind Speed	SW 10 mph
Barometer	29.87 in (1011.5 mb)
Dewpoint	66°F (19°C)
Visibility	10.00 mi
Last update	11 Mar 3:53 am HST

More Information:

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

Extended Forecast for

Keauhou HI

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

Click here for hazard details and duration

Flood Watch

Today
High: 85 °F
Heavy Rain
Tonight
Low: 71 °F
Heavy Rain
Thursday
High: 86 °F
Heavy Rain
Thursday Night
Low: 73 °F
Heavy Rain
Friday
High: 87 °F
Heavy Rain
and Windy
Friday Night
Low: 71 °F
Heavy Rain
and Windy
Saturday
High: 82 °F
Heavy Rain
and Windy
Saturday Night
Low: 70 °F
Showers
Likely and
Breezy
Sunday
High: 85 °F
Heavy Rain
and Breezy

Detailed Forecast

Today

Showers likely, with thunderstorms also possible after noon. Some of the storms could produce heavy rainfall. Cloudy, with a high near 85. Light and variable wind becoming south 5 to 10 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

Tonight

Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Cloudy, with a low around 71. South wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Thursday

Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Cloudy, with a high near 86. Light and variable wind becoming west southwest 5 to 8 mph in the morning. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

Thursday Night

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 73. Light east southeast wind becoming south 8 to 13 mph after midnight. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 87. Windy, with a south wind 13 to 23 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

Friday Night

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 71. Windy, with a south wind 23 to 28 mph, with gusts as high as 40 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Saturday

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 82. Windy, with a south wind 20 to 28 mph, with gusts as high as 40 mph. Chance of precipitation is 80%.

Saturday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 70. Breezy, with a south wind 15 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 60%.

Sunday

Showers. The rain could be heavy at times. High near 85. Breezy, with a south wind 10 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 80%.

Sunday Night

Showers likely. The rain could be heavy at times. Cloudy, with a low around 71. South wind 8 to 10 mph. Chance of precipitation is 60%.

Monday

Showers likely. The rain could be heavy at times. Mostly cloudy, with a high near 85. South wind 5 to 8 mph becoming calm in the afternoon. Chance of precipitation is 60%.

Monday Night

Scattered showers. Mostly cloudy, with a low around 72. Calm wind. Chance of precipitation is 40%.

Tuesday

Scattered showers. Mostly cloudy, with a high near 85. Calm wind becoming west northwest around 6 mph. Chance of precipitation is 30%.