A flash flood warning for Hawaii island has expired.

Highway 11 was reopened about 2.5 hours after being closed about 6 p.m. between the 58 and 59 mile markers (Kawa Flats) in the Kau district between Pahala and Naalehu.

Weather officials said heavy rain Thursday afternoon was causing runoff flooding the highway.

Motorists are urged to drive with caution and to be aware of possible ponding and runoff.

A flood advisory also expired at 7:30 p.m. after radar at 5:20 p.m. Thursday indicated that most of the heavy showers over the leeward side of Hawaii island have dissipated with just a few spotty showers continuing. Runoff remained high from earlier heavy rains.