Meteorologists warn extreme heat and sudden storms could force cancellations or alter plans for communities nationwide.
Canadian wildfire smoke may blanket parts of the Midwest and Northeast into August, raising air-quality and health concerns.
This Fourth of July, Americans may experience contrasting weather conditions, with a significant heat wave affecting the West ...
A sprawling and chaotic weather pattern is sweeping across the United States this week — bringing severe storms and flash flooding to some regions while others bake under an early-season heat wave.
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