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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

68°F

20°C

Humidity	87%
Wind Speed	S 8 mph
Barometer	29.92 in (1012.9 mb)
Dewpoint	64°F (18°C)
Visibility	10.00 mi
Last update	9 Apr 4:53 am HST

More Information:

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

Extended Forecast for

4 Miles WNW Volcano HI

Flood Watch April 9, 04:59am until April 10, 06:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch April 9, 04:59am until April 10, 06:00pm
NOW until 6:00pm Fri
Flood Watch
Overnight
Low: 56 °F
Scattered
Showers and
Breezy
Thursday
High: 63 °F
Heavy Rain
and Breezy
Thursday Night
Low: 55 °F
Heavy Rain
and Breezy
Friday
High: 63 °F
Heavy Rain
Friday Night
Low: 58 °F
Heavy Rain
Saturday
High: 67 °F
Showers
Likely
Saturday Night
Low: 57 °F
Showers
Likely then
Isolated
Showers
Sunday
High: 67 °F
Heavy Rain

Detailed Forecast

Overnight

Scattered showers. Cloudy, with a low around 56. Breezy, with a southwest wind 13 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Thursday

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 63. Breezy, with a south southwest wind 16 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

Thursday Night

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 55. Breezy, with a southwest wind 17 to 22 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 80%. 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 63. South southwest wind 10 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New rainfall amounts between 3 and 4 inches possible.

Friday Night

Showers likely and possibly a thunderstorm before 8pm, then scattered showers. Some of the storms could produce heavy rainfall. Cloudy, with a low around 58. Southwest wind 6 to 10 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 67. South southeast wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

Saturday Night

Showers likely, mainly before midnight. Cloudy, with a low around 57. South wind around 7 mph. Chance of precipitation is 60%.

Sunday

Scattered showers and thunderstorms, then showers likely after noon. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 67. South southeast wind 6 to 8 mph. Chance of precipitation is 60%.

Sunday Night

Showers likely, mainly before midnight. Cloudy, with a low around 56. South wind 5 to 7 mph. Chance of precipitation is 60%.

Monday

Showers likely, mainly after noon. Mostly cloudy, with a high near 67. South southwest wind 5 to 7 mph becoming east in the afternoon. Chance of precipitation is 60%.

Monday Night

Showers likely. Cloudy, with a low around 56. East wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 60%.

Tuesday

Scattered showers. Cloudy, with a high near 67. Light and variable wind becoming east southeast 5 to 7 mph in the afternoon. Chance of precipitation is 40%.

Tuesday Night

Scattered showers. Cloudy, with a low around 56. North wind around 7 mph. Chance of precipitation is 40%.

Wednesday

Showers likely. Mostly cloudy, with a high near 67. North wind 5 to 8 mph becoming east in the morning. Chance of precipitation is 60%.