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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.

Light Rain Fog/Mist

72°F

22°C

Humidity	87%
Wind Speed	S 8 mph
Barometer	29.88 in (1011.6 mb)
Dewpoint	68°F (20°C)
Visibility	6.00 mi
Last update	11 Mar 2:53 am HST

More Information:

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

Extended Forecast for

14 Miles SE Hawaii Volcanoes National Park HI

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

Flood Advisory until March 11, 06:30am

Click here for hazard details and duration

Flood Watch

Flood Advisory

Flood Advisory until March 11, 06:30am
NOW until 6:30am Wed
Flood Advisory
Overnight
Low: 70 °F
Heavy Rain
Wednesday
High: 81 °F
Heavy Rain
Wednesday Night
Low: 70 °F
Heavy Rain
Thursday
High: 82 °F
Scattered
Showers
Thursday Night
Low: 71 °F
Heavy Rain
Friday
High: 81 °F
Heavy Rain
Friday Night
Low: 71 °F
Heavy Rain
and Breezy
Saturday
High: 81 °F
Heavy Rain
and Breezy

Detailed Forecast

Overnight

Showers likely. The rain could be heavy at times. Mostly cloudy, with a low around 70. Light west wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Wednesday

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 81. Light west wind becoming southwest 5 to 10 mph in the morning. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Wednesday Night

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 70. Southwest wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Thursday

Scattered showers and thunderstorms. Partly sunny, with a high near 82. South southwest wind 6 to 8 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

Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 71. Southwest wind 6 to 8 mph. Chance of precipitation is 70%. New rainfall amounts between 1 and 2 inches possible.

Friday

Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Cloudy, with a high near 81. Southwest wind 8 to 11 mph. Chance of precipitation is 70%. New rainfall amounts between 1 and 2 inches possible.

Friday Night

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 71. Breezy, with a southwest wind 11 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 100%.

Saturday

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 81. Breezy, with a south southwest wind around 21 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.

Saturday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 73. Breezy, with a southwest wind 17 to 20 mph, with gusts as high as 26 mph. Chance of precipitation is 70%.

Sunday

Showers. The rain could be heavy at times. High near 84. Breezy, with a southwest wind 13 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 90%.

Sunday Night

Showers likely. The rain could be heavy at times. Cloudy, with a low around 74. Southwest wind 8 to 13 mph. Chance of precipitation is 70%.

Monday

Showers likely. The rain could be heavy at times. Mostly cloudy, with a high near 84. Southwest wind 5 to 8 mph becoming calm in the afternoon. Chance of precipitation is 70%.

Monday Night

Showers likely. Mostly cloudy, with a low around 73. Calm wind becoming northeast around 6 mph after midnight. Chance of precipitation is 60%.

Tuesday

Scattered showers. Mostly cloudy, with a high near 83. East wind 6 to 11 mph. Chance of precipitation is 50%.