Snow-covered Mount Hood peeking out from behind Happy Valley, Oregon on a clear, sunny day as seen from Southwest Portland on ...

The National Weather Service released an updated winter storm warning at 1:24 p.m. on Friday valid from Saturday 11 a.m.

At 4:37 p.m. on Thursday, the NWS Hanford CA released an updated severe thunderstorm warning in effect until 5 p.m. for Kern ...

Los Angeles County is under an updated winter storm warning which was released by the National Weather Service on Friday at 2 ...

Yosemite was placed under an updated winter storm warning by the National Weather Service on Friday at 1:54 a.m. The warning ...

A red flag warning does not necessarily mean there is a fire ongoing – extreme fire weather conditions are either occurring ...

Yosemite is included in an updated winter storm warning released by the National Weather Service on Thursday at 9:02 p.m. The ...

A winter storm warning has been issued for Oregon's Cascade Mountain roads for between 2 to 4 feet of snow and gusting winds ...

Today is a Weather Alert day across Iowa.Thunderstorms developed over far southwest and southern Iowa earlier today. The ...

In some extreme cases, thunderstorms can spawn a derecho, a long-lived windstorm with gusts over 100 mph, strong enough to ...

We all hear the terms when there's a threat of severe weather. But what does each alert mean, and how does it affect you?