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

Hazardous Weather Conditions

Hydrologic Outlook

Current conditions at

Kahului, Kahului Airport (PHOG)

Lat: 20.89°NLon: 156.44°WElev: 52ft.

A Few Clouds

75°F

24°C

Humidity	64%
Wind Speed	E 17 G 28 mph
Barometer	30.01 in (1016.8 mb)
Dewpoint	62°F (17°C)
Visibility	10.00 mi
Last update	7 Mar 8:54 pm HST

More Information:

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

Extended Forecast for

6 Miles WSW Waikapu HI

Tonight
Low: 72 °F
Mostly Clear
Sunday
High: 79 °F
Sunny
Sunday Night
Low: 71 °F
Isolated
Showers
Monday
High: 79 °F
Isolated
Showers
Monday Night
Low: 71 °F
Isolated
Showers
Tuesday
High: 80 °F
Scattered
Showers
Tuesday Night
Low: 71 °F
Heavy Rain
Wednesday
High: 78 °F
Heavy Rain
and Breezy
Wednesday Night
Low: 71 °F
Heavy Rain

Detailed Forecast

Tonight

Mostly clear, with a low around 72. North northeast wind 8 to 10 mph.

Sunday

Sunny, with a high near 79. North northeast wind 5 to 8 mph becoming calm.

Sunday Night

Isolated showers. Partly cloudy, with a low around 71. Northeast wind 3 to 6 mph. Chance of precipitation is 20%.

Monday

Isolated showers. Mostly sunny, with a high near 79. East northeast wind around 6 mph becoming calm. Chance of precipitation is 20%.

Monday Night

Isolated showers. Mostly cloudy, with a low around 71. East wind 3 to 5 mph. Chance of precipitation is 20%.

Tuesday

Scattered showers, mainly after 11am. Mostly cloudy, with a high near 80. South wind around 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Tuesday Night

Periods of rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 71. Light south southeast wind becoming south 5 to 10 mph after midnight. Chance of precipitation is 80%.

Wednesday

Periods of rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 78. Breezy, with a south wind 10 to 15 mph, with gusts as high as 18 mph. Chance of precipitation is 80%.

Wednesday Night

Periods of rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 71. South wind 10 to 13 mph. Chance of precipitation is 80%.

Thursday

Periods of rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 79. South wind around 10 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. South wind 8 to 10 mph. Chance of precipitation is 80%.

Friday

Periods of rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 79. Breezy, with a south wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 80%.

Friday Night

Showers likely. Mostly cloudy, with a low around 72. Breezy, with a south southwest wind around 21 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.

Saturday

Showers likely. Mostly cloudy, with a high near 78. Breezy, with a south southwest wind 16 to 21 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.