Extreme heat is impacting states across the country. See maps of high temperature forecasts and heat index levels.

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

Several states are expecting extreme heat, with the heat index, or feels-like temperature, surging past 100 degrees.

Temperatures in Florida, Georgia, Arkansas, Tennessee, Kentucky, Indiana, Illinois, North Carolina, and Virginia could feel ...

The National Weather Service has extended the heat advisory for central Ohio until June 27. COTA has extended free rides as a ...

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

The National Weather Service has issued an Extreme Heat Warning for New York City and much of the Tri-State area through ...

The hottest day of 2025 so far was recorded on 21 June in Charlwood, Surrey, when temperatures hit 33.2C. It comes as an ...

Unless society stops pumping more greenhouse gases in the air, “we can expect multiple factors to worsen summer extremes,” a ...