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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.

Fair

82°F

28°C

Humidity	58%
Wind Speed	SE 16 G 29 mph
Barometer	29.92 in (1012.9 mb)
Dewpoint	66°F (19°C)
Visibility	10.00 mi
Heat Index	84°F (29°C)
Last update	9 Apr 11:53 am HST

More Information:

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

Extended Forecast for

2 Miles W Wainaku HI

Flood Watch April 9, 12:33pm until April 10, 06:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch April 9, 12:33pm until April 10, 06:00pm
NOW until 6:00pm Fri
Flood Watch
This Afternoon
High: 78 °F
Heavy Rain
and Breezy
Tonight
Low: 67 °F
Heavy Rain
Friday
High: 75 °F
Heavy Rain
Friday Night
Low: 68 °F
Heavy Rain
Saturday
High: 78 °F
Scattered
Showers then
Showers
Likely
Saturday Night
Low: 68 °F
Showers
Likely then
Isolated
Showers
Sunday
High: 79 °F
Isolated
Showers then
Scattered
Showers
Sunday Night
Low: 66 °F
Heavy Rain

Detailed Forecast

This Afternoon

Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Cloudy, with a high near 78. Breezy, with a south wind 14 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 67. South southwest wind 7 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.

Friday

Frequent showers and possibly a thunderstorm before 2pm, then scattered showers and thunderstorms after 2pm. Some of the storms could produce heavy rainfall. High near 75. South wind 6 to 11 mph becoming light west southwest. Chance of precipitation is 80%. New rainfall amounts between 2 and 3 inches possible.

Friday Night

Scattered showers and thunderstorms. Some of the storms could produce heavy rainfall. Cloudy, with a low around 68. South southeast wind 5 to 9 mph becoming light and variable. Chance of precipitation is 50%. New precipitation amounts between a half and three quarters of an inch possible.

Saturday

Showers likely, mainly after noon. Cloudy, with a high near 78. East southeast wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

Saturday Night

Showers likely, mainly before midnight. Cloudy, with a low around 68. South wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Sunday

Scattered showers, mainly after noon. Mostly cloudy, with a high near 79. Southeast wind 6 to 9 mph. Chance of precipitation is 50%.

Sunday Night

Scattered showers. The rain could be heavy at times. Cloudy, with a low around 66. East southeast wind around 6 mph becoming south southwest after midnight. Chance of precipitation is 50%.

Monday

Showers likely, mainly after noon. Cloudy, with a high near 77. South southwest wind around 7 mph becoming east southeast in the morning. Chance of precipitation is 60%.

Monday Night

Showers likely, mainly before midnight. Cloudy, with a low around 68. South wind around 7 mph. Chance of precipitation is 60%.

Tuesday

Scattered showers. Cloudy, with a high near 78. South wind around 7 mph becoming east in the morning. Chance of precipitation is 30%.

Tuesday Night

Scattered showers. Cloudy, with a low around 67. South wind around 6 mph. Chance of precipitation is 30%.

Wednesday

Scattered showers. Cloudy, with a high near 78. East wind 5 to 8 mph becoming calm in the afternoon. Chance of precipitation is 30%.