The Laredo forecast from the NWS projects high relative humidity with two-thirds of upcoming mornings falling within an "oppressive" range.

The process is officially known as evapotranspiration, which is how plants, including corn, release water vapor into the ...

If the region does reach triple digits this week, it will be the latest first occurrence of 100 degrees since 2021.

Almost 85 million Americans from South Dakota to Texas and North Carolina to Florida are already under extreme heat warnings, ...

The entire state is under a heat advisory or an extreme heat warning from noon until 8 p.m. Monday, according to the National ...

A “heat dome” is expected to increase temperatures and humidity levels throughout the South and parts of the Midwest this ...

Terrebonne and Lafourche Parishes are currently under a Heat Advisory, as the local heat index is forecast to skyrocket into ...

Heat and humidity will once again smother the eastern half of the country this week, pushing the heat index to dangerous levels for tens of millions of people. In the Midwest, the humidity will be ...

The National Weather Service office in Mobile, Alabama, issued a heat advisory in Escambia, Santa Rosa and Okaloosa counties ...

Heat-related alerts had been issued for 18 states as of Monday, with the National Weather Service (NWS) urging residents to take steps to reduce the risk of heat illnesses.