NYC anticipates sunny days with rising temperatures, potentially leading to a heatwave, and a chance of weekend thunderstorms ...

Chances for isolated thunderstorms remain low but not impossible today on the western slope. Chance of precipitation for the ...

The chances for a scattered area of showers and thunderstorms to develop into something more increased overnight, but remain low, forecasters said.

STATEN ISLAND, N.Y. — A dangerous heat wave is set to grip Staten Island, with temperatures potentially exceeding 100 degrees ...

The heat index considers the actual temperature and amount of moisture in the air using the dew point or relative humidity.

A heat advisory will be in effect from 11 a.m. Monday until 9 p.m. Tuesday for the following counties in central Alabama: ...

The National Weather Service forecasts hot temperatures in Houston today, with a 50% chance of thunderstorms and a high ...

The break from the heat and humidity will come to abrupt end by Thursday and Friday, when heat indexes could near 100 degrees ...

The building heat and humidity comes as Chicago's air quality readings early Monday morning were "unhealthy for sensitive groups," the website AirNow.gov said. The air quality ranked as a level three ...

Microwave imaging is crucial for detecting storms at night and providing advance notice for hurricanes. The DOD plans to stop ...

A blast of crisp, fall-like air is pushing into the Finger Lakes early Monday, setting up a rare July cooldown before intense ...

The National Weather Service forecast for the greater San Francisco Bay Area for Monday calls for cloud cover, slight chances of drizzle, and patchy fog in multiple parts of the region.