The weather story this week centers around two major events. In the Pacific Northwest, a powerful atmospheric river is flooding the region with several days of heavy rain, gusty winds, and mountain snow. Meanwhile, a series of clipper systems are spreading snow and biting cold from the Northern Plains into the Great Lakes and Northeast. Arctic air follows behind, dropping temperatures sharply and triggering hazardous flash freeze conditions. In contrast, the Southwest and Deep South stay mild and dry.
Read More
An active and impactful weather pattern is setting up across much of North America through next week. Multiple rounds of severe thunderstorms are expected from the eastern Canadian Prairies, U.S. Plains into the Mississippi Valley, bringing the risk of damaging winds, large hail, and tornadoes. Heavy rainfall may lead to localized flooding from the Northern Plains to the Southeast, while wildfire concerns continue across the Four Corners region. At the same time, summer heat is building, with the East experiencing its hottest temperatures of the season late this week before above-average warmth expands westward during the weekend.