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

Hazardous Weather Conditions

Current conditions at

Hilo, Hilo International Airport (PHTO)

Lat: 19.72°NLon: 155.06°WElev: 36ft.

Partly Cloudy

73°F

23°C

Humidity	94%
Wind Speed	SE 5 mph
Barometer	29.97 in (1014.7 mb)
Dewpoint	71°F (22°C)
Visibility	10.00 mi
Last update	8 Apr 8:53 am HST

More Information:

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

Extended Forecast for

8 Miles SE Hawaiian Beaches HI

Flood Watch until April 10, 06:00pm

High Surf Advisory April 8, 09:18am until April 9, 06:00am

Flash Flood Warning until April 8, 12:15pm

Click here for hazard details and duration

Flood Watch

High Surf Advisory

Flash Flood Warning

Flood Watch until April 10, 06:00pm
High Surf Advisory April 8, 09:18am until April 9, 06:00am
Flash Flood Warning until April 8, 12:15pm
NOW: Multiple hazards in effect
Click HERE for Details
Today
High: 77 °F
Heavy Rain
and Breezy
Tonight
Low: 71 °F
Heavy Rain
Thursday
High: 77 °F
Heavy Rain
Thursday Night
Low: 69 °F
Heavy Rain
Friday
High: 77 °F
Heavy Rain
Friday Night
Low: 71 °F
Heavy Rain
and Breezy
Saturday
High: 80 °F
Showers
Likely
Saturday Night
Low: 71 °F
Showers
Likely then
Scattered
Showers

Detailed Forecast

Today

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 77. Breezy, with a southeast wind 11 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

Tonight

Showers likely and possibly a thunderstorm before 8pm, then scattered showers and thunderstorms after 8pm. Some of the storms could produce heavy rainfall. Cloudy, with a low around 71. South southeast wind 11 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

Thursday

Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Cloudy, with a high near 77. South southeast wind 8 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday Night

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 69. Southeast wind 8 to 13 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.

Friday

Frequent showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 77. South southeast wind 8 to 13 mph. Chance of precipitation is 80%. New rainfall amounts between 2 and 3 inches possible.

Friday Night

Showers likely and possibly a thunderstorm before 8pm, then scattered showers. Some of the storms could produce heavy rainfall. Cloudy, with a low around 71. Breezy, with a south wind 8 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts between a half and three quarters of an inch possible.

Saturday

Showers likely, mainly after noon. Cloudy, with a high near 80. South wind 6 to 13 mph. Chance of precipitation is 60%.

Saturday Night

Showers likely, mainly before midnight. Cloudy, with a low around 71. South wind 6 to 8 mph. Chance of precipitation is 60%.

Sunday

Showers likely. Cloudy, with a high near 79. South southeast wind 6 to 8 mph becoming north northeast in the afternoon. Chance of precipitation is 60%.

Sunday Night

Showers likely, mainly before midnight. Cloudy, with a low around 71. Light and variable wind becoming southeast 5 to 7 mph after midnight. Chance of precipitation is 60%.

Monday

Scattered showers. Cloudy, with a high near 79. Southeast wind 3 to 7 mph. Chance of precipitation is 30%.

Monday Night

Scattered showers. Cloudy, with a low around 71. Light and variable wind becoming west southwest 8 to 13 mph after midnight. Chance of precipitation is 30%.

Tuesday

Isolated showers. Cloudy, with a high near 79. West southwest wind 7 to 13 mph becoming northeast in the afternoon. Chance of precipitation is 10%.