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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.

Mostly Cloudy

77°F

25°C

Humidity	79%
Wind Speed	S 9 G 17 mph
Barometer	29.97 in (1014.7 mb)
Dewpoint	70°F (21°C)
Visibility	10.00 mi
Heat Index	79°F (26°C)
Last update	8 Apr 10:53 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 until April 10, 06:00pm

High Surf Advisory April 8, 11:32am until April 9, 06:00am

Click here for hazard details and duration

Flood Watch

High Surf Advisory

Flood Watch until April 10, 06:00pm
High Surf Advisory April 8, 11:32am until April 9, 06:00am
NOW: Multiple hazards in effect
Click HERE for Details
Today
High: 80 °F
Heavy Rain
Tonight
Low: 71 °F
Heavy Rain
Thursday
High: 80 °F
Heavy Rain
Thursday Night
Low: 71 °F
Heavy Rain
Friday
High: 81 °F
Heavy Rain
Friday Night
Low: 72 °F
Heavy Rain
Saturday
High: 85 °F
Showers
Likely
Saturday Night
Low: 73 °F
Showers
Likely then
Scattered
Showers

Detailed Forecast

Today

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 80. Calm wind becoming east southeast 5 to 9 mph in the afternoon. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

Tonight

Showers and possibly a thunderstorm before 8pm, then scattered showers and thunderstorms after 8pm. Some of the storms could produce heavy rainfall. Low around 71. East wind around 6 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

Thursday

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 80. Calm wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Thursday Night

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 71. Northwest wind around 7 mph becoming northeast in the evening. Chance of precipitation is 90%. New rainfall amounts between 2 and 3 inches possible.

Friday

Frequent showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 81. North wind 6 to 8 mph becoming south in the morning. Chance of precipitation is 90%. New rainfall amounts between 3 and 4 inches possible.

Friday Night

Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Cloudy, with a low around 72. South southwest wind 6 to 11 mph. Chance of precipitation is 60%. New precipitation amounts between 1 and 2 inches possible.

Saturday

Showers likely, mainly after noon. Cloudy, with a high near 85. South southwest wind 5 to 9 mph. Chance of precipitation is 60%.

Saturday Night

Showers likely, mainly before midnight. Cloudy, with a low around 73. Southwest wind around 5 mph. Chance of precipitation is 60%.

Sunday

Showers likely, mainly after noon. Cloudy, with a high near 84. South wind around 6 mph becoming east northeast in the afternoon. Chance of precipitation is 60%.

Sunday Night

Showers likely, mainly before midnight. Cloudy, with a low around 72. East northeast wind around 6 mph becoming light and variable. Chance of precipitation is 60%.

Monday

Scattered showers. Cloudy, with a high near 84. South southeast wind 5 to 8 mph. Chance of precipitation is 30%.

Monday Night

Showers likely. Cloudy, with a low around 72. East northeast wind 5 to 8 mph. Chance of precipitation is 60%.

Tuesday

Isolated showers. Cloudy, with a high near 83. Northeast wind around 9 mph. Chance of precipitation is 10%.