Aloha snow! Winter weather advisory issued in Hawaii

HILO, Hawaii - It snowed successful Hawaii connected Friday. While astir of the authorities enjoys a tropical clime year-round, Hawaii's mountaintops are nary alien to winter weather.

A University of Hawaii web camera showed snowfall connected the crushed on the guardrails of 1 the Mauna Kea astronomy observatories connected Friday morning.

Snow falls connected Mauna Kea  on Friday, April 18, 2025.

(University of Hawaii)

A slow-moving debased unit strategy is making its mode done Hawaii earlier exiting aboriginal Saturday, bringing snowfall to the summits connected the Big Island. 

A Winter Weather Advisory was issued until 6:00 a.m. Saturday section time. Forecasters are calling for up to 2 inches of snow.

Hawaii's mountains are chiefly volcanoes, including Mauna Kea connected the Big Island, whose acme is astir 14,000 feet supra oversea level. Mauna Kea is the tallest upland connected the satellite erstwhile measured from it's basal which extends beneath the ocean floor.

While snowfall is not uncommon among the gangly peaks of Hawaii's Big Island, you mightiness deliberation by April the snowfall would beryllium done. 

But implicit the past 20 years, the Big Island has averaged astir 1 snowfall advisory successful April. Snow advisories person been issued arsenic precocious arsenic June. 

That comes arsenic Kilaueua, 1 of the world's astir progressive volcanoes, erupted for the 18th clip since past December earlier this week.

While the strategy volition bring snowfall to the upland peaks, that moisture volition beryllium conscionable plain rainfall person to oversea level. 

Temperatures successful Hilo volition marque it up into the 80s this weekend.