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National Weather Service
Heat wave: Tens of millions endure scorching temperatures ... - NBC News
Weather - NBC News
Warnings issued for more than 100 million across the U.S. - NBC News
Weather and forecasts | CNN
24/7 First Alert Weather - 12 On Your Side
Severe Weather Warnings & Watches | AccuWeather
US heatwave: Tens of millions remain under dangerous heat warnings …
Active Alerts - National Weather Service
Heat wave: Over 70 million in US under alerts | AP News