The storm lashed the Northern Mariana Islands for hours, slowing just to inflict more damage across the islands of Tinian and Saipan, home to nearly 50,000 people.
In Maui, so-called kona storms are affecting the areas where wildfires have grown more frequent and intense, creating a feedback loop of environmental consequences.
As heat blasts the Southwest, a polar vortex is forecast for the Midwest and East. Snow is expected in the Great Lakes, and an atmospheric river is on tap for Hawaii.