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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.

Overcast

72°F

22°C

Humidity	97%
Wind Speed	W 8 mph
Barometer	29.96 in (1014.2 mb)
Dewpoint	71°F (22°C)
Visibility	10.00 mi
Last update	8 Apr 7:53 am HST

More Information:

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

Extended Forecast for

5 Miles SSW Pahoa HI

Flood Watch until April 10, 06:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch until April 10, 06:00pm
NOW until 6:00pm Fri
Flood Watch
Today
High: 70 °F
Heavy Rain
and Breezy
Tonight
Low: 65 °F
Heavy Rain
and Breezy
Thursday
High: 69 °F
Heavy Rain
and Breezy
Thursday Night
Low: 65 °F
Heavy Rain
Friday
High: 69 °F
Heavy Rain
Friday Night
Low: 66 °F
Heavy Rain
and Breezy
Saturday
High: 74 °F
Heavy Rain
Saturday Night
Low: 66 °F
Heavy Rain

Detailed Forecast

Today

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 70. Breezy, with a southeast wind 13 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters 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 65. Breezy, with a south southeast wind 14 to 17 mph, with gusts as high as 24 mph. 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 69. Breezy, with a south wind 10 to 16 mph, with gusts as high as 22 mph. 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 65. Southwest wind 8 to 14 mph becoming south southeast in the evening. Winds could gust as high as 18 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

Friday

Frequent showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 69. South wind around 9 mph. 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 66. Breezy, with a south southwest wind 9 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New precipitation amounts between three quarters and one inch possible.

Saturday

Scattered showers. The rain could be heavy at times. Cloudy, with a high near 74. South wind 6 to 11 mph. Chance of precipitation is 50%.

Saturday Night

Scattered showers. The rain could be heavy at times. Cloudy, with a low around 66. South southwest wind around 7 mph. Chance of precipitation is 50%.

Sunday

Frequent showers, mainly after noon. The rain could be heavy at times. High near 74. South wind 5 to 7 mph becoming east northeast in the afternoon. Chance of precipitation is 80%.

Sunday Night

Scattered showers. The rain could be heavy at times. Cloudy, with a low around 65. East northeast wind 5 to 8 mph becoming southeast after midnight. Chance of precipitation is 40%.

Monday

Showers likely. Cloudy, with a high near 73. South southeast wind 6 to 8 mph. Chance of precipitation is 60%.

Monday Night

Showers likely. Cloudy, with a low around 65. South wind 6 to 9 mph becoming west after midnight. Chance of precipitation is 60%.

Tuesday

Scattered showers. Cloudy, with a high near 72. West wind 6 to 9 mph becoming northeast in the afternoon. Chance of precipitation is 30%.