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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.

A Few Clouds

70°F

21°C

Humidity	87%
Wind Speed	SW 5 mph
Barometer	29.99 in (1015.4 mb)
Dewpoint	66°F (19°C)
Visibility	10.00 mi
Last update	8 Apr 11:53 pm HST

More Information:

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

Extended Forecast for

2 Miles ESE Pahoa HI

Flood Watch April 9, 12:12am until April 10, 06:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch April 9, 12:12am until April 10, 06:00pm
NOW until 6:00pm Fri
Flood Watch
Overnight
Low: 67 °F
Heavy Rain
and Breezy
Thursday
High: 76 °F
Heavy Rain
Thursday Night
Low: 67 °F
Heavy Rain
Friday
High: 74 °F
Heavy Rain
Friday Night
Low: 68 °F
Heavy Rain
Saturday
High: 79 °F
Showers
Likely
Saturday Night
Low: 68 °F
Heavy Rain
Sunday
High: 78 °F
Heavy Rain

Detailed Forecast

Overnight

Scattered showers and thunderstorms. Some of the storms could produce heavy rainfall. Cloudy, with a low around 67. Breezy, with a south wind 10 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

Thursday

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 76. South wind 6 to 13 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

Thursday Night

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 67. South southwest wind 6 to 11 mph becoming southeast in the evening. Chance of precipitation is 90%. 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 74. South southeast wind around 8 mph. Chance of precipitation is 80%. New rainfall amounts between 3 and 4 inches possible.

Friday Night

Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Cloudy, with a low around 68. South wind 7 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New precipitation amounts between 1 and 2 inches possible.

Saturday

Showers likely, mainly after noon. Cloudy, with a high near 79. South wind 6 to 9 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

Saturday Night

Scattered showers. The rain could be heavy at times. Cloudy, with a low around 68. South wind around 7 mph. Chance of precipitation is 50%.

Sunday

Frequent showers. The rain could be heavy at times. High near 78. South southeast wind around 6 mph becoming light and variable in the afternoon. Chance of precipitation is 80%.

Sunday Night

Scattered showers. The rain could be heavy at times. Cloudy, with a low around 67. Light and variable wind becoming southeast 5 to 7 mph after midnight. Chance of precipitation is 40%.

Monday

Showers likely, mainly after noon. Mostly cloudy, with a high near 77. Southeast wind 3 to 7 mph. Chance of precipitation is 60%.

Monday Night

Scattered showers. The rain could be heavy at times. Cloudy, with a low around 67. Light south southwest wind becoming west 5 to 10 mph after midnight. Chance of precipitation is 30%.

Tuesday

Scattered showers. Cloudy, with a high near 79. West wind 6 to 10 mph becoming northeast in the afternoon. Chance of precipitation is 30%.

Tuesday Night

Scattered showers. Cloudy, with a low around 68. Northeast wind around 6 mph becoming calm after midnight. Chance of precipitation is 30%.

Wednesday

Showers likely. Cloudy, with a high near 78. Calm wind. Chance of precipitation is 60%.