MORE: Winter Outlook Update ... That happens when cold air from the interior Northwest or Canada surges westward through the gorge and valley and becomes trapped in place as a wet Pacific storm ...

We’re watching a cool airmass dropping down from Canada that will send waves of showers inland through the middle of next ...

Hike down into the gorge below the falls to experience miles ... but are not illuminated at night and require caution in winter months when steps, rocks and paths can become icy.