Climate Impact Report – 6/23

June 23, 2025

Key Facts Of The Day 6/23

On Sunday, an EF1 tornado and severe thunderstorms hit central New York, prompting a flash flood emergency and leading to three confirmed deaths.
- On Sunday, New York Governor Kathy Hochul declared a State of Emergency in 32 counties in response to the severe weather and extreme heat that have impacted communities across New York.
- As of Monday, 33,345 customers across New York were still without power.

On Sunday, wildfires in New Mexico, Nevada, and Utah destroyed more than two dozen homes and threatened to damage several structures.

A dangerous heat wave is forecast to impact 170 million Americans through late June.
- Starting this week, record-breaking high temperatures are expected in more than a dozen states, from the Plains to the East Coast.
- Temperatures are expected to reach up to 100 degrees Fahrenheit in some areas, creating a widespread risk of heat exhaustion and heatstroke.
- Some metropolitan areas are expected to see nighttime temperatures that stay above 80 degrees.
- On Monday and Tuesday, peak temperatures could cause over 250 daily record temperature records to be broken, including both record highs and record warm lows.
- On Monday, nearly 150 million people were under heat alerts.
- As of Monday, a level 4-of-4 extreme heat risk was in place from the Midwest to the Mid-Atlantic. The advisory was expected to be in place at least through Thursday.
A new study found that the chances of experiencing sleep apnea problems overnight go up by almost 50% when it’s 80 degrees Fahrenheit or warmer, compared to when temperatures are in the 50s.
- Severe cases of sleep apnea, where an individual may stop breathing more than 30 times in a single hour, increase by about 40%.