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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.

Volcanic Ash

75°F

24°C

Humidity	69%
Wind Speed	SE 8 mph
Barometer	29.86 in (1011.1 mb)
Dewpoint	64°F (18°C)
Visibility	10.00 mi
Last update	10 Mar 5:53 pm HST

More Information:

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

Extended Forecast for

4 Miles WNW Volcano HI

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

Ashfall Advisory March 10, 06:33pm until March 10, 11:00pm

Click here for hazard details and duration

Flood Watch

...

Ashfall Advisory March 10, 06:33pm until March 10, 11:00pm
NOW until 11:00pm Tue
Ashfall Advisory
Tonight
Low: 53 °F
Mostly Cloudy
and Breezy
Wednesday
High: 65 °F
Heavy Rain
and Breezy
Wednesday Night
Low: 54 °F
Scattered
Showers
Thursday
High: 66 °F
Scattered
Showers
Thursday Night
Low: 56 °F
Isolated
T-storms and
Windy
Friday
High: 64 °F
Scattered
T-storms and
Windy
Friday Night
Low: 56 °F
Heavy Rain
and Very
Windy
Saturday
High: 64 °F
Heavy Rain
and Very
Windy

Detailed Forecast

Tonight

Mostly cloudy, with a low around 53. Breezy, with a southwest wind 11 to 20 mph, with gusts as high as 28 mph.

Wednesday

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 65. Breezy, with a southwest wind 16 to 21 mph decreasing to 9 to 14 mph in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

Scattered showers and thunderstorms. Mostly cloudy, with a low around 54. Southwest wind 9 to 11 mph. Chance of precipitation is 40%.

Thursday

Scattered showers and thunderstorms. Partly sunny, with a high near 66. South southwest wind 10 to 13 mph. 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. Mostly cloudy, with a low around 56. Windy, with a south southwest wind 13 to 23 mph, with gusts as high as 32 mph. Chance of precipitation is 20%.

Friday

Scattered showers and thunderstorms. Mostly cloudy, with a high near 64. Windy, with a south southwest wind 23 to 26 mph, with gusts as high as 38 mph. Chance of precipitation is 50%. New rainfall amounts between three quarters and one inch possible.

Friday Night

Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Cloudy, with a low around 56. Very windy, with a south southwest wind 25 to 33 mph, with gusts as high as 48 mph. Chance of precipitation is 70%.

Saturday

Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Cloudy, with a high near 64. Very windy, with a south southwest wind 25 to 33 mph, with gusts as high as 48 mph. Chance of precipitation is 70%.

Saturday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 58. Windy, with a south southwest wind 18 to 25 mph, with gusts as high as 36 mph. Chance of precipitation is 60%.

Sunday

Showers. The rain could be heavy at times. High near 67. Breezy, with a south southwest wind 10 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

Sunday Night

Showers likely. The rain could be heavy at times. Cloudy, with a low around 57. West southwest wind 6 to 10 mph. Chance of precipitation is 60%.

Monday

Showers likely. The rain could be heavy at times. Mostly cloudy, with a high near 68. Southwest wind around 6 mph becoming calm in the afternoon. Chance of precipitation is 60%.

Monday Night

Showers likely. Mostly cloudy, with a low around 56. Light and variable wind. Chance of precipitation is 60%.

Tuesday

Scattered showers. Mostly cloudy, with a high near 67. Light and variable wind. Chance of precipitation is 40%.