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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.

Overcast

67°F

19°C

Humidity	93%
Wind Speed	Calm
Barometer	29.97 in (1014.6 mb)
Dewpoint	65°F (18°C)
Visibility	10.00 mi
Last update	9 Mar 3:53 am HST

More Information:

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

Extended Forecast for

Wainaku HI

Overnight
Low: 65 °F
Scattered
Showers
Monday
High: 77 °F
Scattered
Showers
Monday Night
Low: 66 °F
Scattered
Showers
Tuesday
High: 79 °F
Heavy Rain
Tuesday Night
Low: 68 °F
Isolated
Showers
Wednesday
High: 80 °F
Heavy Rain
Wednesday Night
Low: 68 °F
Heavy Rain
Thursday
High: 81 °F
Heavy Rain
and Breezy
Thursday Night
Low: 69 °F
Heavy Rain

Detailed Forecast

Overnight

Scattered showers. Mostly cloudy, with a low around 65. East southeast wind around 5 mph becoming south. Chance of precipitation is 30%.

Monday

Scattered showers. Partly sunny, with a high near 77. South wind 5 to 9 mph becoming east southeast in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Monday Night

Scattered showers. Mostly cloudy, with a low around 66. East southeast wind 5 to 8 mph becoming south southwest after midnight. Chance of precipitation is 30%. New precipitation amounts between a quarter and half of an inch possible.

Tuesday

Scattered showers. The rain could be heavy at times. Partly sunny, with a high near 79. Southeast wind 6 to 13 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.

Tuesday Night

Isolated showers. Mostly cloudy, with a low around 68. South southeast wind 9 to 11 mph. Chance of precipitation is 20%.

Wednesday

Scattered showers and thunderstorms. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 80. Southeast wind 9 to 14 mph. Chance of precipitation is 40%. New rainfall amounts between a quarter and half of an inch possible.

Wednesday Night

Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 68. South wind 6 to 9 mph. Chance of precipitation is 60%.

Thursday

Scattered showers and thunderstorms. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 81. Breezy, with a southeast wind 11 to 16 mph becoming light in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 50%.

Thursday Night

Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 69. Light southeast wind becoming south southeast 9 to 14 mph after midnight. Chance of precipitation is 60%.

Friday

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 81. Windy, with a south southeast wind 14 to 23 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.

Friday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 70. Breezy, with a south wind 16 to 18 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.

Saturday

Scattered showers and thunderstorms. Partly sunny, with a high near 81. Windy, with a south wind 17 to 23 mph, with gusts as high as 30 mph. Chance of precipitation is 50%.

Saturday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 71. Breezy, with a south wind 17 to 20 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.

Sunday

Showers. The rain could be heavy at times. High near 83. Breezy, with a south wind 15 to 20 mph becoming light southwest in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 80%.