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

Hazardous Weather Conditions

Hydrologic Outlook

Current conditions at

Daniel K Inouye International Airport (PHNL)

Lat: 21.33°NLon: 157.94°WElev: 10ft.

Mostly Cloudy

75°F

24°C

Humidity	74%
Wind Speed	E 8 mph
Barometer	30.00 in (1015.9 mb)
Dewpoint	66°F (19°C)
Visibility	10.00 mi
Last update	7 Mar 1:53 am HST

More Information:

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

Extended Forecast for

Waipahu HI

Overnight
Low: 70 °F
Mostly Cloudy
Saturday
High: 81 °F
Partly Sunny
and Breezy
Saturday Night
Low: 70 °F
Mostly Cloudy
Sunday
High: 81 °F
Partly Sunny
Sunday Night
Low: 68 °F
Partly Cloudy
Monday
High: 81 °F
Mostly Sunny
then Isolated
Showers
Monday Night
Low: 69 °F
Scattered
Showers
Tuesday
High: 79 °F
Scattered
Showers and
Breezy
Tuesday Night
Low: 69 °F
Showers and
Breezy

Detailed Forecast

Overnight

Mostly cloudy, with a low around 70. East wind around 8 mph.

Saturday

Partly sunny, with a high near 81. Breezy, with an east wind 7 to 17 mph, with gusts as high as 24 mph.

Saturday Night

Mostly cloudy, with a low around 70. East northeast wind 7 to 13 mph.

Sunday

Partly sunny, with a high near 81. East wind 9 to 11 mph.

Sunday Night

Partly cloudy, with a low around 68. East wind 6 to 9 mph.

Monday

Isolated showers after noon. Partly sunny, with a high near 81. East northeast wind around 7 mph becoming south in the afternoon. Chance of precipitation is 20%.

Monday Night

Scattered showers, mainly after midnight. Cloudy, with a low around 69. South southeast wind 6 to 10 mph. Chance of precipitation is 30%.

Tuesday

Scattered showers. Cloudy, with a high near 79. Breezy, with a south wind 10 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.

Tuesday Night

Occasional showers. Low around 69. Breezy, with a south wind 13 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 90%.

Wednesday

Occasional showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 76. Breezy, with a south wind around 17 mph, with gusts as high as 24 mph. Chance of precipitation is 90%.

Wednesday Night

Occasional showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 69. Breezy, with a south wind around 17 mph, with gusts as high as 24 mph. Chance of precipitation is 80%.

Thursday

Occasional showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 78. Breezy, with a south wind 15 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.

Thursday Night

Occasional showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 69. Breezy, with a south wind around 15 mph, with gusts as high as 21 mph. Chance of precipitation is 80%.

Friday

Occasional showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 78. Breezy, with a south wind 14 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 90%.