The heat and humidity will continue to build across Northeast Florida and Southeast Georgia this week. In fact, temperatures ...

Delaware will face dangerously high temperatures and heat index values as a heat wave takes hold of the region. The First ...

An extreme heat warning is in effect for the Jersey Shore. Here’s when the heat wave peaks and how to check the heat index.

Michigan's heat wave this week will feel even warmer because of high humidity. Here's how the heat index works.

The new Vaisala Humidity Calculator is a web-based, easy-to-use tool for converting several humidity parameters from a known humidity value. The new Vaisala Humidity Calculator is a ...

Attribution researches the influence of climate change on local weather and impacts. We issues alerts in many instances when the Climate Shift Index identifies a notable extreme weather event around ...

Meteorologist Ray Petelin joined the KDKA Weather Team in October 2018, but is no stranger to the weather in Pittsburgh and Western Pennsylvania. He has been forecasting in Pittsburgh since 2011 and ...

Nature is a riot of color. In the animal kingdom, many species, from insects to cephalopods, use their permanent color or change it for communication, camouflage, and thermoregulation. While this type ...

When the weather gets muggy, iridescent bees shift their metallic hue. The insects are a rich blue-green when ambient humidity is low. But as the amount of moisture in the air increases, the bees turn ...

DEHUM: The basic operating principle of a dehumidifier is to remove water vapor from the air without overcooling the space. April 20, 2026 Humidity, aside from temperature, is perhaps the most ...