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

Hazardous Weather Conditions

Current conditions at

Hilo, Hilo International Airport (PHTO)

Lat: 19.72°NLon: 155.06°WElev: 36ft.

Mostly Cloudy

72°F

22°C

Humidity	84%
Wind Speed	SW 5 mph
Barometer	29.91 in (1012.7 mb)
Dewpoint	67°F (19°C)
Visibility	10.00 mi
Last update	10 Mar 10:53 pm HST

More Information:

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

Extended Forecast for

2 Miles SE Papaaloa HI

Flood Watch March 11, 06:00pm until March 14, 06:00pm

Click here for hazard details and duration

Flood Watch

Tonight
Low: 63 °F
Mostly Cloudy
Wednesday
High: 79 °F
Breezy.
Scattered
Showers then
Heavy Rain
Wednesday Night
Low: 65 °F
Scattered
Showers then
Mostly Cloudy
Thursday
High: 79 °F
Isolated
T-storms then
Scattered
Showers
Thursday Night
Low: 65 °F
Isolated
T-storms then
Mostly Cloudy
Friday
High: 79 °F
Mostly Cloudy
then Isolated
Showers
Friday Night
Low: 65 °F
Isolated
T-storms
Saturday
High: 80 °F
Scattered
Showers
Saturday Night
Low: 66 °F
Showers
Likely

Detailed Forecast

Tonight

Mostly cloudy, with a low around 63. South southeast wind around 14 mph, with gusts as high as 18 mph.

Wednesday

Scattered showers and thunderstorms, then showers and possibly a thunderstorm after noon. Some of the storms could produce heavy rainfall. High near 79. Breezy, with a southeast wind 15 to 20 mph becoming light south in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Wednesday Night

Scattered showers and thunderstorms before midnight. Mostly cloudy, with a low around 65. Light south southwest wind. Chance of precipitation is 40%.

Thursday

Scattered showers and thunderstorms, mainly after noon. Mostly cloudy, with a high near 79. Calm wind becoming south southeast around 5 mph in the afternoon. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday Night

Isolated showers and thunderstorms before midnight. Mostly cloudy, with a low around 65. South wind 5 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.

Friday

Isolated showers after noon. Mostly cloudy, with a high near 79. South wind 10 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.

Friday Night

Isolated showers and thunderstorms. Cloudy, with a low around 65. South wind 10 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

Saturday

Scattered showers and thunderstorms. Mostly cloudy, with a high near 80. South wind 6 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

Saturday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. South southwest wind 3 to 6 mph. Chance of precipitation is 70%.

Sunday

Showers. The rain could be heavy at times. High near 80. Light west northwest wind. Chance of precipitation is 80%.

Sunday Night

Showers likely. The rain could be heavy at times. Cloudy, with a low around 66. Calm wind. Chance of precipitation is 60%.

Monday

Showers. The rain could be heavy at times. High near 79. Calm wind. Chance of precipitation is 80%.

Monday Night

Showers. Low around 66. Light and variable wind. Chance of precipitation is 80%.

Tuesday

Scattered showers. Mostly cloudy, with a high near 78. Light and variable wind becoming northeast around 6 mph in the afternoon. Chance of precipitation is 40%.