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

Hazardous Weather Conditions

Hydrologic Outlook

Current conditions at

Kekaha, Pacific Missile Test Facility Barking Sands (PHBK)

Lat: 22.04°NLon: 159.79°WElev: 13ft.

Fair

71°F

22°C

Humidity	81%
Wind Speed	E 5 mph
Barometer	30.00 in (1015.9 mb)
Dewpoint	65°F (18°C)
Visibility	10.00 mi
Last update	7 Mar 11:51 pm HST

More Information:

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

Extended Forecast for

Kaumakani HI

Overnight
Low: 70 °F
Isolated
Showers and
Breezy
Sunday
High: 83 °F
Isolated
Showers and
Breezy
Sunday Night
Low: 70 °F
Scattered
Showers
Monday
High: 82 °F
Scattered
Showers
Monday Night
Low: 70 °F
Scattered
Showers then
Heavy Rain
Tuesday
High: 82 °F
Heavy Rain
and Breezy
Tuesday Night
Low: 69 °F
Heavy Rain
and Breezy
Wednesday
High: 80 °F
Heavy Rain
Wednesday Night
Low: 70 °F
Heavy Rain

Detailed Forecast

Overnight

Isolated showers. Partly cloudy, with a low around 70. Breezy, with an east wind 13 to 15 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.

Sunday

Isolated showers. Mostly sunny, with a high near 83. Breezy, with an east wind 8 to 18 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

Sunday Night

Scattered showers. Mostly cloudy, with a low around 70. East wind around 9 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Monday

Scattered showers. Partly sunny, with a high near 82. Southeast wind 6 to 10 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

Monday Night

Scattered showers, then periods of rain and possibly a thunderstorm after midnight. Some of the storms could produce heavy rainfall. Low around 70. Southeast wind 6 to 14 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tuesday

Periods of rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 82. Breezy, with a south southeast wind 14 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

Tuesday Night

Periods of rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 69. Breezy, with a south wind 14 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 100%.

Wednesday

Periods of rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 80. South southwest wind 11 to 14 mph. Chance of precipitation is 100%.

Wednesday Night

Periods of rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 70. South wind around 11 mph. Chance of precipitation is 80%.

Thursday

Periods of rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 81. South wind 11 to 13 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 69. South wind around 13 mph. Chance of precipitation is 80%.

Friday

Periods of rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 81. Breezy, with a south southwest wind 13 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

Friday Night

Showers likely. Mostly cloudy, with a low around 71. Breezy, with a southwest wind around 17 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.

Saturday

Showers likely. Mostly cloudy, with a high near 82. Breezy, with a southwest wind 16 to 18 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.