Hurricane warning issued for westernmost Hawaiian islands

Hurricane Lowell is forecast to turn northward and approach the islands of Kauaʻi and Niʻihau on Monday, the National Weather Service reported.

Storm, which may make impact as soon as Monday, is third system in weeks to threaten state during hurricane season

Isolated 16 inches of rain could produce flash floods, and could cause streams to overflow. Power outages and storm surge also possible.