Heat Map of United States in July

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US Heat Wave Warnings

Maps show heat wave forecast across much of U.S. Here's when it starts and how long it will last.

Over 140 million Americans will be under the highest-level extreme heat alerts by Sunday during a wave of above-average temperatures.

Newsweek on MSN · 1d

US Heat Wave Warnings: Live Tracker Maps

Heat dome will cause dangerously high temperatures in many places across the country this weekend, especially the Midwest and East Coast.

USA TODAY on MSN · 1d

Heat wave hits US: See where it will be the hottest

More than 37 million Americans are under heat advisories across the U.S., according to the National Weather Service. Here's the hardest hit areas.

heat dome, Extreme Temperatures

CBS News on MSN · 6h

Map shows "heat dome" that could raise temperatures to 100 degrees in Boston

A "heat dome" developing on the East Coast could send temperatures to 100 degrees in Boston next week. As a result, an extreme heat watch is going into effect Sunday morning through Tuesday for much of Massachusetts.

CNN on MSN · 10h

A potent heat dome is building over the US, sending temperatures into the triple digits

High temperatures across the Plains, Midwest, Mid-Atlantic and Northeast are expected to hit at least 15 degrees above normal next week and will mark the hottest temperatures of the year to date, rising well into the 90s. With humidity, it could feel as hot as 110 degrees — especially in the Mid-Atlantic.

U.S. News & World Report · 1d

US Cities Prepare for Extreme Temperatures as Heat Dome Blankets Country

Major cities across the United States are preparing for extreme temperatures caused by a heat dome that hit the U.S. Plains on Friday and is expected to expand to much of the rest of the country over the coming days.

2don MSN

A heat dome is about to bring extreme heat and humidity to more than 200 million

Maps show where extreme humidity and 90- or 100-degree temperatures will affect about 255 million people across the United ...

Intense Heat Wave Will Leave the Midwest Sweltering This Weekend

Many places around the country will experience their first significant heat of the year in the next few days. Here’s why it’s ...

Forbes11mon

July 4th Heat Wave: These States Will Face Extreme Heat Over Holiday Weekend

Excessive heat warnings are in place for much of the west coast and southern United States heading into the Fourth of July weekend, when millions of people will experience triple-digit ...

4don MSN

Maps show the cities about to experience extreme humidity and heat

Humidity will soon surge to extreme levels across 40 states. Find out where there will be excessive heat and humidity — and ...

Chicago Tribune11mon

Dangerously high heat builds in California and the south-central United States

Swaths of California sweltered Tuesday and things were only expected to get worse during the Fourth of July holiday week for parts of the United States with nearly 90 million people under heat ...

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