The chance of thunderstorms and hail continues through Sunday as a storm system moves across the state.
Pea-sized hail, about a quarter inch in diameter, was reported in Waipahu Saturday at about 11:45 a.m.
A flood advisory has also been extended for Oahu until 12:45 a.m. At 9:45 p.m. radar showed heavy rain, falling at a rate of 2 inches an hour, over the Koolau mountains and spreading westward over Mililani, Palisades, Waiawa and Nuuanu. Pali and H-3 highways will produce very low visibility.
The heaviest showers were reported between Kahuku and Kaawa, but other locations in the advisory include Laie, Punaluu, Turtle Bay and Kaneohe.
Maui County was also under a flood advisory because of heavy rains over windward slopes of East Maui. Other locations in the advisory include Nahiku, Pauwela, Paia, Makawao, Huelo, Hookipa Beach Park, Hailiimaile and Haiku.
Maui fire rescue personnel assisted three hikers stranded by rising stream water Saturday at Iao Valley Park.
Firefighters responding to the 1:55 p.m. call found an adult male and two female children stranded on the other side of a rising, turbulent stream.
The firefighters instructed the party, which was gathered safely on the far side of the stream, to remain in place until the water receded.
Once the water returned to a safe level, a rescue team crossed the stream and retrieved each of the individuals.
No injuries were reported.
A flash flood watch is in effect for all islands until at least 6 a.m. Sunday.
Residents are advised to stay away from streams and drainage ditches and low lying areas prone to flooding.
A winter weather advisory is also in effect for the summits of Mauna Kea and Mauna Loa, where up to 3 inches of snow and ice could fall through Sunday afternoon.
On Friday, the National Weather Service said hail was reported near Oceanview on Hawaii island at about 1 p.m.
Funnel clouds were reported about 5 miles south southeast of Lanai City at 11:50 a.m. and about 3 miles northeast of Honolulu at 12:12 p.m.
The funnel clouds did not touch down and no damage was reported.