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Story summary
- Record heat across the eastern United States has given way to a sharp drop.
- Fire Weather Warnings cover 50 million people across 20 states due to dry conditions and strong winds.
- A cold front has dropped temperatures by 20–30 degrees in the Carolinas and Georgia.
- Humidity around 15–20% raises wildfire risk across the Plains and Southeast.
- Despite cooler air, record highs are expected in Las Vegas and Phoenix this weekend.
