Interactive NWS Alert

Radar valid at 1115 pm HST, Sep 17th 2026

HIC001-180915-
/O.EXT.PHFO.FA.Y.0156.000000T0000Z-260918T0915Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Hawaii HI-
759 PM HST Thu Sep 17 2026

...FLOOD ADVISORY NOW IN EFFECT UNTIL 1115 PM HST THIS EVENING...

* WHAT...Flooding caused by excessive rainfall continues.

* WHERE...The island of Hawaii in Hawaii County...

* WHEN...Until 1115 PM HST.

* IMPACTS...Minor flooding on roads, poor drainage areas, and in
streams.

* ADDITIONAL DETAILS...
- At 748 PM HST, Doppler radar and automated rain gauges continued
to indicate moderate to locally heavy rain over the South Hilo,
Puna, and Ka'u districts. Though the thunderstorms have weakened
in the area and stream gauges plateaued, minor flooding may still
persist for the next several hours. Rain was falling at a rate of
0.5 to 1 inch per hour.
- Some locations that will experience flooding include...
Hilo, Hawaiian Paradise Park, Volcano, Glenwood, Mountain View,
Hawaii Volcanoes National Park, Hawaiian Acres, Orchidlands
Estates, Keaau, Pahoa and Wood Valley.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Stay away from streams, drainage ditches and low lying areas prone to
flooding.

&&

LAT...LON 1928 15559 1952 15553 1975 15550 1984 15533
1988 15515 1987 15507 1977 15506 1976 15499
1965 15496 1952 15478 1944 15482 1932 15497
1924 15516 1923 15529 1913 15543 1911 15549
1896 15556

iNWS is an experimental service intended for NWS core partners, including emergency managers, community leaders and other government agencies only.