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March 2026 Severe Weather and Flash Flooding - 3/10 to 3/24

Hazardous Weather Conditions

Flood Watch in effect from April 8, 06:00 AM HST until April 10, 06:00 PM HST
High Surf Advisory in effect from April 7, 07:40 PM HST until April 9, 06:00 AM HST

Current conditions at

Kekaha, Pacific Missile Test Facility Barking Sands (PHBK)

Lat: 22.04°NLon: 159.79°WElev: 13ft.

Fair

70°F

21°C

Humidity	87%
Wind Speed	E 3 mph
Barometer	29.92 in (1013.5 mb)
Dewpoint	66°F (19°C)
Visibility	10.00 mi
Last update	7 Apr 8:51 pm HST

More Information:

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

Extended Forecast for

Waimea HI

Flood Watch April 8, 06:00am until April 10, 06:00pm

High Surf Advisory until April 9, 06:00am

Click here for hazard details and duration

Flood Watch

High Surf Advisory

High Surf Advisory until April 9, 06:00am
NOW until 6:00am Thu
High Surf Advisory
Tonight
Low: 67 °F
Heavy Rain
Wednesday
High: 84 °F
Heavy Rain
and Breezy
Wednesday Night
Low: 68 °F
Heavy Rain
and Breezy
Thursday
High: 81 °F
Heavy Rain
and Windy
Thursday Night
Low: 67 °F
Heavy Rain
and Breezy
Friday
High: 83 °F
Heavy Rain
Friday Night
Low: 67 °F
Heavy Rain
then Mostly
Cloudy
Saturday
High: 83 °F
Mostly Cloudy

Detailed Forecast

Tonight

Scattered showers, mainly before midnight. The rain could be heavy at times. Partly cloudy, with a low around 67. East wind 6 to 8 mph. Chance of precipitation is 30%.

Wednesday

Showers likely, mainly after noon. The rain could be heavy at times. Cloudy, with a high near 84. Breezy, with an east northeast wind 6 to 16 mph becoming southeast in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

Wednesday Night

Occasional showers, with thunderstorms also possible after 2am. Some of the storms could produce heavy rainfall. Low around 68. Breezy, with an east southeast wind 11 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

Thursday

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 81. Windy, with a southeast wind 18 to 24 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New rainfall amounts between 2 and 3 inches possible.

Thursday Night

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 67. Breezy, with a southeast wind 15 to 20 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 100%. New rainfall amounts between 2 and 3 inches possible.

Friday

Showers and possibly a thunderstorm before 2pm, then a slight chance of showers and thunderstorms after 2pm. Some of the storms could produce heavy rainfall. High near 83. West southwest wind around 8 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

Friday Night

A 20 percent chance of showers and thunderstorms before 8pm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 67. Southwest wind around 9 mph.

Saturday

Mostly cloudy, with a high near 83. Southwest wind 5 to 10 mph.

Saturday Night

Isolated showers after midnight. Cloudy, with a low around 67. West wind around 5 mph. Chance of precipitation is 20%.

Sunday

Isolated showers. Cloudy, with a high near 81. West wind around 6 mph. Chance of precipitation is 20%.

Sunday Night

Isolated showers. Cloudy, with a low around 65. North northwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 20%.

Monday

Isolated showers. Cloudy, with a high near 79. Light north wind. Chance of precipitation is 20%.

Monday Night

Isolated showers. Cloudy, with a low around 66. Calm wind becoming west southwest around 5 mph after midnight. Chance of precipitation is 20%.