The new automated system enables real-time activation of outdoor warning sirens directly from the National Weather Service.

Bay Area on alert for fire risk and rough seas, with advisories for residents and mariners to exercise caution.

EF2 tornadoes reach wind speeds between 111 mph and 135 mph and are marked by “considerable damage,” NWS meteorologists said.

The National Weather Service has rated two of the four tornadoes that hit Colorado on Sunday as EF2. Those tornadoes hit the ...

The tornadoes in the Bennett area and the Elkhorn neighborhood in northwest Elbert County both EF2, meaning the twisters had ...

San Diego experiences higher than normal temperatures, with inland areas bracing for a heatwave, while forecasters advise precautions.

As nasty tornadoes popped up from Kansas to Kentucky, a depleted National Weather Service was in scramble mode.

The National Weather Service has issued an alert for an approaching weather system that brings with it the potential for severe storms and powerful tornadoes, particularly across the Mid-South region.

We're tracking the weather forecast this week ahead of the Indianapolis 500 on Sunday. Here's what we know today.

Kentucky and southern Indiana face severe weather but NOAA radio service goes offline. Learn how you can stay informed using ...

Scheduled maintenance to the National Weather Service’s AWIPS software will impact NOAA weather radio warnings in Middle ...