New York City and the surrounding area saw the first heat wave of 2025 this week, as summer officially begins. Temperatures soared into the 90s Sunday and stayed there for days. Here's everything to ...

Temperatures this week are some of the hottest we have seen the entire year now as we get to the end of July. This is a perfect opportunity to explain what the Heat Index is and how it is all ...

The official start of summer is on the horizon and it's bringing dangerous heat with it. With Delaware expected to have a hot summer, it's good to know how to prepare for the weather. Excessive heat ...

You know what high temperatures are and you know what humidity is. You also know how they feel. But do you know what heat index is? With a heat wave hitting South Jersey, meteorologists are talking ...

The heat index measures how hot it really feels outside. The heat index is calculated based on air temperature and relative humidity. The National Weather Service will issue alerts when the heat index ...

Heat waves can affect your health and need to be taken seriously, medical experts say. That's especially true now that daily highs are in the 90s again. There are different heat-related illnesses with ...

Beach trips, cookouts and other outdoor activities are in full swing as summer arrives and the first widespread heat wave of 2025 hits. For many people, summer is their favourite time of year. However ...

NEW YORK -- The Tri-State Area is baking under high heat so far season. . Summers can sizzle around the New York City area, where the hottest normal high is 85 degrees in July. The hottest temperature ...

PORTLAND, Ore. (KOIN) — With three days of 100-degree heat forecast for the Portland area, the National Weather Service is warning the public about the dangers of excessive heat. “Now is the time to ...

The mercury is really cranking up. Here's what you need to know to protect yourself. Summer is upon us, and so too is the first heat wave of the year -- a suffocating stretch of 90-plus-degree days ...

There are four advisories for heat, according to the National Weather Service: Excessive heat outlooks: The outlooks are issued when the potential exists for excessive heat within the next three to ...

We've all heard: "It's not the heat; it's the humidity." Well, it's not just a cliché; there is truth to it. According to the National Weather Service, the heat index is what the temperature feels ...