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

Hazardous Weather Conditions

Hydrologic Outlook

Current conditions at

Hilo, Hilo International Airport (PHTO)

Lat: 19.72°NLon: 155.06°WElev: 36ft.

Overcast

70°F

21°C

Humidity	87%
Wind Speed	SW 8 mph
Barometer	30.08 in (1018.3 mb)
Dewpoint	66°F (19°C)
Visibility	10.00 mi
Last update	7 Mar 11:53 pm HST

More Information:

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

Extended Forecast for

2 Miles ENE Hilo International Airport HI

Overnight
Low: 65 °F
Showers
Likely
Sunday
High: 79 °F
Showers
Likely
Sunday Night
Low: 65 °F
Showers
Likely
Monday
High: 79 °F
Scattered
Showers
Monday Night
Low: 65 °F
Scattered
Showers
Tuesday
High: 81 °F
Scattered
Showers and
Breezy
Tuesday Night
Low: 68 °F
Scattered
Showers
Wednesday
High: 81 °F
Scattered
Showers then
Heavy Rain
Wednesday Night
Low: 68 °F
Scattered
Showers

Detailed Forecast

Overnight

Showers likely. Cloudy, with a low around 65. Light south southwest wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

Sunday

Showers likely, mainly before noon. Mostly cloudy, with a high near 79. Light and variable wind becoming east 5 to 10 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

Sunday Night

Showers likely, mainly after midnight. Mostly cloudy, with a low around 65. Calm wind becoming southeast around 5 mph after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Monday

Scattered showers. Partly sunny, with a high near 79. East southeast wind 5 to 9 mph. 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 65. South wind 6 to 8 mph. Chance of precipitation is 30%.

Tuesday

Scattered showers. Mostly cloudy, with a high near 81. Breezy, with a southeast wind 8 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Tuesday Night

Scattered showers. Cloudy, with a low around 68. South southeast wind 11 to 13 mph. Chance of precipitation is 40%.

Wednesday

Scattered showers, then periods of rain and possibly a thunderstorm after noon. Some of the storms could produce heavy rainfall. High near 81. South southeast wind 8 to 13 mph becoming light south southwest in the afternoon. Chance of precipitation is 80%.

Wednesday Night

Scattered showers. Mostly cloudy, with a low around 68. Calm wind becoming south 5 to 7 mph after midnight. Chance of precipitation is 50%.

Thursday

Scattered showers, then periods of rain and possibly a thunderstorm after noon. Some of the storms could produce heavy rainfall. High near 81. South southeast wind 7 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 80%.

Thursday Night

Periods of rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 68. South wind 8 to 11 mph. Chance of precipitation is 80%.

Friday

Periods of rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 82. Breezy, with a south southeast wind 10 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.

Friday Night

Showers likely. Cloudy, with a low around 70. South wind 11 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 60%.

Saturday

Showers likely. Cloudy, with a high near 84. Breezy, with a south southeast wind 8 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.