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

Hazardous Weather Conditions

Flood Watch until March 14, 06:00 PM HST

Current conditions at

Kekaha, Pacific Missile Test Facility Barking Sands (PHBK)

Lat: 22.04°NLon: 159.79°WElev: 13ft.

Light Rain

73°F

23°C

Humidity	90%
Wind Speed	SE 13 G 22 mph
Barometer	29.79 in (1008.9 mb)
Dewpoint	70°F (21°C)
Visibility	9.00 mi
Last update	11 Mar 7:51 am HST

More Information:

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

Extended Forecast for

Waimea HI

Flood Watch March 11, 07:59am until March 14, 06:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch March 11, 07:59am until March 14, 06:00pm
NOW until 6:00pm Sat
Flood Watch
Today
High: 82 °F
Heavy Rain
and Breezy
Tonight
Low: 69 °F
Heavy Rain
and Breezy
Thursday
High: 81 °F
Heavy Rain
Thursday Night
Low: 68 °F
Heavy Rain
and Breezy
Friday
High: 81 °F
Heavy Rain
and Breezy
Friday Night
Low: 68 °F
Heavy Rain
and Breezy
Saturday
High: 82 °F
Breezy. Heavy
Rain then
Scattered
Showers
Saturday Night
Low: 69 °F
Heavy Rain
and Breezy

Detailed Forecast

Today

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Widespread haze. High near 82. Breezy, with a south wind 10 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

Tonight

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Widespread haze. Low around 69. Breezy, with a southwest wind 6 to 15 mph becoming east southeast after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

Thursday

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Widespread haze. High near 81. South southeast wind 6 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

Thursday Night

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Widespread haze. Low around 68. Breezy, with a south wind 14 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New rainfall amounts between 3 and 4 inches possible.

Friday

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Widespread haze before 10am. High near 81. Breezy, with a southwest wind 16 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New rainfall amounts between 2 and 3 inches possible.

Friday Night

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 68. Breezy, with a west southwest wind around 21 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

Saturday

Showers and possibly a thunderstorm before noon, then scattered showers and thunderstorms after noon. Some of the storms could produce heavy rainfall. High near 82. Breezy, with a southwest wind around 21 mph, with gusts as high as 29 mph. Chance of precipitation is 100%.

Saturday Night

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 69. Breezy, with a west southwest wind 16 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 90%.

Sunday

Showers likely. The rain could be heavy at times. Mostly cloudy, with a high near 82. Breezy, with a west southwest wind 9 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.

Sunday Night

Scattered showers. Mostly cloudy, with a low around 68. West southwest wind 7 to 9 mph. Chance of precipitation is 50%.

Monday

Scattered showers. Partly sunny, with a high near 83. West northwest wind 5 to 8 mph. Chance of precipitation is 50%.

Monday Night

Scattered showers. Mostly cloudy, with a low around 68. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.

Tuesday

Partly sunny, with a high near 83. Light and variable wind.