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

Hazardous Weather Conditions

Flood Watch until April 13, 06:00 PM HST

Current conditions at

Hilo, Hilo International Airport (PHTO)

Lat: 19.72°NLon: 155.06°WElev: 36ft.

Light Rain

71°F

22°C

Humidity	94%
Wind Speed	Calm
Barometer	29.95 in (1013.9 mb)
Dewpoint	69°F (21°C)
Visibility	9.00 mi
Last update	11 Apr 5:53 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 11, 06:24am until April 13, 06:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch April 11, 06:24am until April 13, 06:00pm
NOW until 6:00pm Mon
Flood Watch
Today
High: 82 °F
Showers
Tonight
Low: 70 °F
Showers
Likely
Sunday
High: 82 °F
Scattered
Showers and
Breezy
Sunday Night
Low: 70 °F
Scattered
Showers
Monday
High: 83 °F
Scattered
Showers
Monday Night
Low: 70 °F
Scattered
Showers
Tuesday
High: 83 °F
Isolated
Showers then
Scattered
Showers
Tuesday Night
Low: 70 °F
Scattered
Showers then
Isolated
Showers

Detailed Forecast

Today

Frequent showers. High near 82. East southeast wind 5 to 11 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

Tonight

Showers likely, mainly before 2am. Mostly cloudy, with a low around 70. East southeast wind 5 to 8 mph becoming light and variable. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

Sunday

Scattered showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 82. Breezy, with a south wind 6 to 15 mph becoming east southeast in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday Night

Scattered showers and thunderstorms. Mostly cloudy, with a low around 70. South southeast wind 7 to 9 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Monday

Scattered showers. Mostly cloudy, with a high near 83. East southeast wind 7 to 10 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

Monday Night

Scattered showers, mainly before 2am. Cloudy, with a low around 70. South southeast wind around 8 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

Tuesday

Scattered showers, mainly after noon. Mostly cloudy, with a high near 83. South southeast wind 7 to 10 mph becoming east in the afternoon. Chance of precipitation is 50%.

Tuesday Night

Scattered showers, mainly before 8pm. Cloudy, with a low around 70. Southeast wind 5 to 7 mph. Chance of precipitation is 50%.

Wednesday

Scattered showers, mainly after noon. Cloudy, with a high near 82. Southeast wind 6 to 9 mph becoming east northeast in the afternoon. Chance of precipitation is 40%.

Wednesday Night

Frequent showers, mainly after 8pm. Low around 69. East northeast wind 5 to 7 mph becoming south southeast in the evening. Chance of precipitation is 80%.

Thursday

Frequent showers. High near 81. Southeast wind 5 to 9 mph becoming east northeast in the afternoon. Chance of precipitation is 80%.

Thursday Night

Frequent showers. Low around 69. East northeast wind 6 to 8 mph becoming south southeast in the evening. Chance of precipitation is 80%.

Friday

Showers likely. Cloudy, with a high near 81. East wind 6 to 10 mph. Chance of precipitation is 70%.