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

Hazardous Weather Conditions

Hydrologic Outlook

Current conditions at

Kailua / Kona, Keahole Airport (PHKO)

Lat: 19.74°NLon: 156.05°WElev: 43ft.

Partly Cloudy

79°F

26°C

Humidity	65%
Wind Speed	S 7 mph
Barometer	30.01 in
Dewpoint	66°F (19°C)
Visibility	10.00 mi
Heat Index	81°F (27°C)
Last update	7 Mar 8:52 pm HST

More Information:

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

Extended Forecast for

4 Miles ESE Honaunau-Napoopoo HI

Tonight
Low: 54 °F
Isolated
Showers then
Mostly Clear
Sunday
High: 68 °F
Sunny then
Scattered
Showers
Sunday Night
Low: 54 °F
Scattered
Showers
Monday
High: 66 °F
Scattered
Showers
Monday Night
Low: 55 °F
Scattered
Showers
Tuesday
High: 68 °F
Heavy Rain
Tuesday Night
Low: 58 °F
Scattered
Showers
Wednesday
High: 68 °F
Breezy.
Scattered
Showers then
Heavy Rain
Wednesday Night
Low: 58 °F
Scattered
Showers

Detailed Forecast

Tonight

Isolated showers before midnight. Partly cloudy, with a low around 54. Calm wind. Chance of precipitation is 20%.

Sunday

Scattered showers after noon. Mostly sunny, with a high near 68. Calm wind becoming west around 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Sunday Night

Scattered showers, mainly before midnight. Partly cloudy, with a low around 54. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Monday

Scattered showers, mainly after 11am. Partly sunny, with a high near 66. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

Monday Night

Scattered showers, mainly before 7pm. Mostly cloudy, with a low around 55. Calm wind. Chance of precipitation is 40%.

Tuesday

Isolated showers, then periods of rain and possibly a thunderstorm after 11am. Some of the storms could produce heavy rainfall. High near 68. Light and variable wind. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tuesday Night

Scattered showers. Cloudy, with a low around 58. Light south southeast wind increasing to 5 to 10 mph after midnight. Chance of precipitation is 50%.

Wednesday

Scattered showers, then periods of rain and possibly a thunderstorm after noon. Some of the storms could produce heavy rainfall. High near 68. Breezy, with a south wind 10 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 80%.

Wednesday Night

Scattered showers. Cloudy, with a low around 58. South wind around 10 mph. Chance of precipitation is 40%.

Thursday

Scattered showers. Cloudy, with a high near 69. South wind 6 to 9 mph. Chance of precipitation is 50%.

Thursday Night

Periods of rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 59. South southeast wind 6 to 10 mph. Chance of precipitation is 80%.

Friday

Periods of rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 71. Breezy, with a south wind 10 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.

Friday Night

Showers likely. Mostly cloudy, with a low around 60. Breezy, with a south wind 16 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

Saturday

Showers likely. Mostly cloudy, with a high near 70. Breezy, with a south wind 11 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.