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

Hazardous Weather Conditions

Flood Watch until April 10, 06:00 PM HST

Current conditions at

Hilo, Hilo International Airport (PHTO)

Lat: 19.72°NLon: 155.06°WElev: 36ft.

Light Rain

69°F

21°C

Humidity	93%
Wind Speed	SW 5 mph
Barometer	29.93 in (1013.4 mb)
Dewpoint	67°F (19°C)
Visibility	8.00 mi
Last update	10 Apr 4:53 am HST

More Information:

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

Extended Forecast for

14 Miles SE Hawaii Volcanoes National Park HI

Flood Watch April 10, 05:55am until April 10, 06:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch April 10, 05:55am until April 10, 06:00pm
NOW until 6:00pm Fri
Flood Watch
Overnight
Low: 71 °F
Heavy Rain
Friday
High: 81 °F
Heavy Rain
Friday Night
Low: 73 °F
Heavy Rain
Saturday
High: 83 °F
Showers
Likely
Saturday Night
Low: 73 °F
Showers
Likely
Sunday
High: 84 °F
Scattered
Showers then
Showers
Likely
Sunday Night
Low: 72 °F
Showers
Likely
Monday
High: 84 °F
Scattered
Showers

Detailed Forecast

Overnight

Frequent showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 71. Northwest wind around 6 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday

Frequent showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 81. Northwest wind 6 to 9 mph becoming west southwest in the afternoon. Chance of precipitation is 90%. New rainfall amounts in excess of 4 inches possible.

Friday Night

Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 73. West southwest wind 5 to 9 mph. Chance of precipitation is 60%. New precipitation amounts between 1 and 2 inches possible.

Saturday

Showers likely, mainly after 2pm. Partly sunny, with a high near 83. West wind 5 to 7 mph becoming calm in the morning. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

Saturday Night

Showers likely, mainly before 2am. Mostly cloudy, with a low around 73. Calm wind becoming east southeast around 6 mph after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Sunday

Showers likely, mainly after 2pm. Mostly sunny, with a high near 84. East southeast wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

Sunday Night

Showers likely, mainly before 2am. Mostly cloudy, with a low around 72. East southeast wind 3 to 6 mph. Chance of precipitation is 60%.

Monday

Scattered showers. Mostly sunny, with a high near 84. Southeast wind around 6 mph becoming calm in the afternoon. Chance of precipitation is 30%.

Monday Night

Showers likely, mainly between 8pm and 2am. Partly cloudy, with a low around 73. Calm wind. Chance of precipitation is 60%.

Tuesday

Isolated showers before 8am, then isolated showers after 2pm. Sunny, with a high near 85. Calm wind becoming east southeast 5 to 7 mph in the afternoon. Chance of precipitation is 20%.

Tuesday Night

Isolated showers. Mostly clear, with a low around 72. East northeast wind around 7 mph. Chance of precipitation is 20%.

Wednesday

Isolated showers. Sunny, with a high near 85. East wind 7 to 13 mph. Chance of precipitation is 10%.

Wednesday Night

Isolated showers. Mostly clear, with a low around 72. Northeast wind 8 to 10 mph. Chance of precipitation is 10%.

Thursday

Sunny, with a high near 85. Northeast wind 9 to 13 mph.