As a large heat dome builds from the Great Lakes to the northeastern United States and southeastern Canada, rounds of heavy downpours will increase the risk of dangerous flash flooding from parts of ...

Friday begins with some cloud coverage as a warm front continues to shift to the north. There is a slight chance of an ...

An Air Quality Alert is active until Thursday night at midnight. People with sensitivities should take precautions.

Thursday begins with a good deal of sunshine, but as temperatures heat up, clouds will build towards lunchtime and into the ...

Texas Democrats broke quorum in an attempt to prevent Republicans from voting on redistricting in the southern state. A group ...

A derecho is a long-lived line of storms that often produces extreme wind damage, said Gino Izzi, a meteorologist at the ...

Two wildfires burning in the western United States — including one that has become a “megafire” on the North Rim of the Grand ...

CNN By Matt Rehbein, Hanna Park, Martin Goillandeau, Lauren Mascarenhas, Mike Figliola, Mary Gilbert, CNN (CNN) — Severe ...

Here’s what you need to know about this uncommon form of extreme weather.

Prolonged wind events that unleash heavy rainfall and travel far distances sometimes qualify as derechos. Derechos can happen almost anywhere in the United States but are most common in the central ...