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

Hazardous Weather Conditions

Current conditions at

Kahului, Kahului Airport (PHOG)

Lat: 20.89°NLon: 156.44°WElev: 52ft.

Overcast

73°F

23°C

Humidity	71%
Wind Speed	NE 16 G 25 mph
Barometer	30.01 in (1016.7 mb)
Dewpoint	63°F (17°C)
Visibility	10.00 mi
Last update	8 Mar 10:54 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: 71 °F
Partly Cloudy
Monday
High: 79 °F
Isolated
Showers then
Haze
Monday Night
Low: 72 °F
Haze then
Isolated
Showers
Tuesday
High: 79 °F
Isolated
Showers
Tuesday Night
Low: 74 °F
Scattered
Showers
Wednesday
High: 78 °F
Heavy Rain
Wednesday Night
Low: 74 °F
Heavy Rain
Thursday
High: 78 °F
Heavy Rain
Thursday Night
Low: 74 °F
Heavy Rain

Detailed Forecast

Tonight

Partly cloudy, with a low around 71. North wind around 5 mph becoming calm after midnight.

Monday

Isolated showers before noon. Widespread haze. Mostly sunny, with a high near 79. Calm wind becoming west around 5 mph. Chance of precipitation is 10%.

Monday Night

Isolated showers after midnight. Widespread haze. Partly cloudy, with a low around 72. Calm wind becoming southeast 5 to 8 mph after midnight. Chance of precipitation is 10%.

Tuesday

Isolated showers. Widespread haze before noon. Mostly sunny, with a high near 79. South wind 5 to 8 mph. Chance of precipitation is 20%.

Tuesday Night

Scattered showers. Mostly cloudy, with a low around 74. South wind 5 to 10 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

Wednesday

Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Cloudy, with a high near 78. South southeast wind 10 to 13 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

Wednesday Night

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 74. South wind 11 to 13 mph. Chance of precipitation is 80%.

Thursday

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 78. South wind 7 to 13 mph. Chance of precipitation is 80%.

Thursday Night

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 74. South southeast wind 7 to 13 mph. Chance of precipitation is 80%.

Friday

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 79. Breezy, with a south wind 13 to 21 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.

Friday Night

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 73. Windy, with a south wind 21 to 28 mph, with gusts as high as 36 mph. Chance of precipitation is 100%.

Saturday

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 78. Windy, with a south wind around 26 mph, with gusts as high as 33 mph. Chance of precipitation is 90%.

Saturday Night

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 74. Windy, with a south wind around 26 mph, with gusts as high as 33 mph. Chance of precipitation is 100%.

Sunday

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 78. Windy, with a south wind 20 to 25 mph decreasing to 14 to 19 mph in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 90%.