The Pacific Northwest is ripe for a major earthquake — and shaking and tsunamis wouldn’t be the only threats from such an event, according to new research. Coastal land would also sink nearly ...

Numerous heat-related warnings and advisories are being issued for a dangerous heat wave blanketing the Pacific Northwest to the northern Rocky Mountains this week. High and low temperatures could ...

Officials in Seattle and Portland opened cooling centers across the cities. The Pacific Northwest is experiencing what meteorologists believe will be an unusually long heat spell for the region ...

Temperatures soared Sunday in the Pacific Northwest as Seattle broke its long-standing record for the hottest day this late in the season, reaching 88 degrees. Dry, gusty conditions helped spread ...

SEATTLE — Have you ever wondered why hurricanes are rare along the West Coast and don't hit the Pacific Northwest? Here's why: First, it's just plain colder.Water temperatures play the main role ...

Known as Axial Seamount, it’s the most active volcano in the Pacific Northwest — though one most people haven’t heard of because it lies about 300 miles offshore and just under a mile ...

Please drive carefully and bundle up. We want you all to be weather aware. Stay with the KOIN 6 Weather Team for the latest on the forecast across the Pacific Northwest as winter weather ramps up.

PORTLAND, Ore. (KOIN) — April is just days away and that typically means drier and warmer weather begins moving into the Pacific Northwest. April showers bring May flowers. That’s what’s ...