The heat will be the biggest story this week with dangerous temperatures shattering records from the upper Midwest down into the Southeast.  

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High Temperatures

Potential record-high temperatures in the eastern U.S. (Credit: Fox News)

Excessive heat watches, warnings and advisories are up for nearly a third of the U.S., lasting through the week.

East Heat

Heat over the eastern U.S. (Credit: Fox News)

Temperatures will also soar across California and the Southwest on Tuesday.  

Storm

Storms threaten the eastern U.S. (Credit: Fox News)

Strong-to-severe thunderstorms could impact portions of the upper Midwest, the Ohio Valley and the mid-Atlantic region. 

Northwest

The futuretrack for the Northwest (Credit: Fox News)

Meanwhile, it’s cold and wet weather for the Northwest and northern Rockies.

Fire

The fire outlook for the western U.S. (Credit: Fox News)

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Dry heat and gusty winds will produce another day of elevated-to-critical fire weather conditions for the Southwest and High Plains.