Arctic air is settling over the eastern U.S., bringing a major winter storm with heavy snow, sleet, and freezing rain from south Texas all the way to the eastern Carolinas. Meanwhile, in southern California, strong Santa Ana winds and low humidity are creating dangerously high fire risks, with critical to extremely critical conditions.
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Wildfire smoke continues impacting air quality from the Upper Midwest to the Northeast this week. Hot, dry, and windy weather brings increased fire risk to the Four Corners region, Great Basin, and the Rockies. Meanwhile, severe storms threaten parts of the Northern Plains, and heavy rain raises flood concerns in the Southeast.