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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

70°F

21°C

Humidity	76%
Wind Speed	S 9 mph
Barometer	29.93 in (1013.5 mb)
Dewpoint	62°F (17°C)
Visibility	10.00 mi
Last update	9 Apr 6:53 am HST

More Information:

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

Extended Forecast for

Hilo International Airport HI

Flood Watch April 9, 07:07am until April 10, 06:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch April 9, 07:07am until April 10, 06:00pm
NOW until 6:00pm Fri
Flood Watch
Today
High: 79 °F
Heavy Rain
and Breezy
Tonight
Low: 69 °F
Heavy Rain
Friday
High: 77 °F
Heavy Rain
Friday Night
Low: 70 °F
Heavy Rain
Saturday
High: 80 °F
Scattered
Showers then
Showers
Likely
Saturday Night
Low: 71 °F
Showers
Likely then
Isolated
Showers
Sunday
High: 81 °F
Scattered
Showers
Sunday Night
Low: 69 °F
Heavy Rain

Detailed Forecast

Today

Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Cloudy, with a high near 79. Breezy, with a south wind 8 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Tonight

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 69. South 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 before 2pm, then scattered showers and thunderstorms after 2pm. Some of the storms could produce heavy rainfall. High near 77. South wind 5 to 9 mph becoming light and variable. 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 70. South southeast wind 5 to 9 mph becoming calm. 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 80. Southeast wind around 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Saturday Night

Showers likely, mainly before midnight. Cloudy, with a low around 71. 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. Mostly cloudy, with a high near 81. Southeast wind 7 to 10 mph. Chance of precipitation is 40%.

Sunday Night

Scattered showers. The rain could be heavy at times. Cloudy, with a low around 69. East southeast wind around 7 mph becoming south in the evening. Chance of precipitation is 40%.

Monday

Showers likely, mainly after noon. Mostly cloudy, with a high near 79. South wind 6 to 9 mph becoming east southeast in the morning. Chance of precipitation is 60%.

Monday Night

Showers likely, mainly before midnight. Cloudy, with a low around 69. South wind around 6 mph. Chance of precipitation is 60%.

Tuesday

Scattered showers. Cloudy, with a high near 80. South wind 6 to 8 mph becoming east in the morning. Chance of precipitation is 30%.

Tuesday Night

Scattered showers. Cloudy, with a low around 70. South wind around 6 mph. Chance of precipitation is 30%.

Wednesday

Scattered showers. Cloudy, with a high near 80. East wind 5 to 8 mph becoming calm in the afternoon. Chance of precipitation is 30%.