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

Hazardous Weather Conditions

Current conditions at

Kekaha, Pacific Missile Test Facility Barking Sands (PHBK)

Lat: 22.04°NLon: 159.79°WElev: 13ft.

Rain

75°F

24°C

Humidity	79%
Wind Speed	S 16 G 29 mph
Barometer	29.77 in (1008.4 mb)
Dewpoint	68°F (20°C)
Visibility	4.00 mi
Last update	10 Mar 1:51 pm HST

More Information:

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

Extended Forecast for

Waimea HI

Flood Watch until March 14, 06:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch until March 14, 06:00pm
NOW until 6:00pm Sat
Flood Watch
This Afternoon
High: 81 °F
Heavy Rain
and Breezy
Tonight
Low: 71 °F
Heavy Rain
and Breezy
Wednesday
High: 81 °F
Heavy Rain
and Breezy
Wednesday Night
Low: 70 °F
Heavy Rain
Thursday
High: 79 °F
Heavy Rain
Thursday Night
Low: 69 °F
Heavy Rain
and Breezy
Friday
High: 79 °F
Heavy Rain
and Windy
Friday Night
Low: 70 °F
Heavy Rain
and Windy

Detailed Forecast

This Afternoon

Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Cloudy, with a high near 81. Breezy, with a south southeast wind around 16 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight

Frequent showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 71. Breezy, with a south wind around 17 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

Wednesday

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 81. Breezy, with a south southwest wind 11 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between 2 and 3 inches possible.

Wednesday Night

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 70. South wind 11 to 13 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

Thursday

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 79. South southwest wind 10 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

Thursday Night

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 69. Breezy, with a south wind 10 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

Friday

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 79. Windy, with a south southwest wind 18 to 24 mph, with gusts as high as 34 mph. Chance of precipitation is 90%.

Friday Night

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 70. Windy, with a south southwest wind 24 to 26 mph, with gusts as high as 38 mph. Chance of precipitation is 90%.

Saturday

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 80. Windy, with a southwest wind around 26 mph, with gusts as high as 38 mph. Chance of precipitation is 90%.

Saturday Night

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 70. Windy, with a southwest wind 17 to 26 mph, with gusts as high as 38 mph. Chance of precipitation is 90%.

Sunday

Showers likely. The rain could be heavy at times. Mostly cloudy, with a high near 80. Breezy, with a southwest wind 9 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.

Sunday Night

Scattered showers. Mostly cloudy, with a low around 69. South southwest wind 6 to 9 mph. Chance of precipitation is 50%.

Monday

Scattered showers. Partly sunny, with a high near 81. South southwest wind 5 to 8 mph becoming north in the afternoon. Chance of precipitation is 50%.