Hourly Weather Forecast - Mercer Island, WAThu, Dec 4FriSatSunMonTueWed11 PM45°F30%1mphSSEArrow up30% Chance of Light RainHumidity99%Feels like45°FDew Point45°FThu, Dec 4FriSatSunMonTueWed
Deep Snowfall to Pack Slopes in the RockiesHefty snowpack additions are expected into the weekend for the Cascades and northern Rockies.Read More