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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

72°F

22°C

Humidity	79%
Wind Speed	SE 10 mph
Barometer	29.94 in (1013.6 mb)
Dewpoint	65°F (18°C)
Visibility	10.00 mi
Last update	9 Apr 7:53 am HST

More Information:

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

Extended Forecast for

4 Miles E Hilo International Airport HI

Flood Watch April 9, 08:31am until April 10, 06:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch April 9, 08:31am until April 10, 06:00pm
NOW until 6:00pm Fri
Flood Watch
Today
High: 81 °F
Heavy Rain
and Breezy
Tonight
Low: 68 °F
Heavy Rain
Friday
High: 78 °F
Heavy Rain
Friday Night
Low: 69 °F
Heavy Rain
Saturday
High: 81 °F
Scattered
Showers then
Showers
Likely
Saturday Night
Low: 69 °F
Showers
Likely then
Scattered
Showers
Sunday
High: 82 °F
Scattered
Showers then
Showers
Likely
Sunday Night
Low: 68 °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 81. Breezy, with a south southeast wind 13 to 18 mph, with gusts as high as 25 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 68. South southeast 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 78. Light and variable wind becoming south southeast 8 to 13 mph in the afternoon. 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 69. South southeast wind 8 to 13 mph. Chance of precipitation is 40%. New precipitation amounts between a half and three quarters of an inch possible.

Saturday

Showers likely, mainly after noon. Cloudy, with a high near 81. Southeast wind 8 to 11 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 69. South southeast wind around 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Sunday

Showers likely, mainly after noon. Mostly cloudy, with a high near 82. East southeast wind 8 to 11 mph. Chance of precipitation is 60%.

Sunday Night

Scattered showers. The rain could be heavy at times. Cloudy, with a low around 68. East southeast wind around 8 mph becoming south after midnight. Chance of precipitation is 40%.

Monday

Showers likely, mainly after noon. Mostly cloudy, with a high near 80. South wind 7 to 11 mph becoming east southeast in the morning. Chance of precipitation is 60%.

Monday Night

Intermittent showers, mainly before midnight. The rain could be heavy at times. Cloudy, with a low around 68. South wind around 7 mph. Chance of precipitation is 30%.

Tuesday

Scattered showers. Cloudy, with a high near 82. South wind 6 to 9 mph becoming east in the morning. Chance of precipitation is 30%.

Tuesday Night

Scattered showers. Cloudy, with a low around 69. South southeast wind around 7 mph. Chance of precipitation is 30%.

Wednesday

Scattered showers. Cloudy, with a high near 81. East wind 6 to 11 mph becoming light east southeast in the afternoon. Chance of precipitation is 30%.