Lake-effect snow sometimes needs mountains

University of Utah researchers ran computer simulations to show that the snow-producing "lake effect" isn't always enough to cause heavy snowfall, but that mountains or other surrounding topography sometimes are necessary ...

National Weather Service cancels its union contract

In what could be the first major labor showdown of the Trump administration, the National Weather Service announced it will cancel its contract with the union representing about 3,800 of its meteorologists and other workers.

Northwest heat wave and bad air from wildfires pose danger

Temperatures were expected to soar to triple digits again Friday in Portland, Oregon, and Seattle as a heat wave bakes the Pacific Northwest, and forecasters said hot weather and wildfire smoke would pose a problem through ...

NWS: New tool confirmed Miss. tornado

(AP)—Officials say new technology allowed forecasters in Mississippi to quickly confirm the tornado that tore through Hattiesburg this week and alert the public.

Thousands evacuated as California wildfire grows

A fierce California wildfire expanded Sunday, burning several thousand acres and forcing evacuations as tens of millions of Americans sweltered through scorching heat.

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