NBC News
MADISON, Wis. — Tens of millions of people across the Midwest and East endured dangerously hot temperatures again on Sunday as a rare June heat wave that gripped much of the U.S. was expected to last into the coming week
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Eastern half of U.S. sweltering again, with dangerous heat wave expected to last until midweek
The Associated Press
09:28
MADISON, Wis. — Tens of millions of people across the Midwest and East endured dangerously hot temperatures again on Sunday as a rare June heat wave that gripped much of the U.S. was expected to last into the coming week