Follow live updates as a winter storm is expected to bring heavy snowfall, icy roads and cold temperatures across the United ...

Major winter storm threatens widespread power outages across the US starting Friday. Essential tech prep tips to keep devices ...

Federal forecasters are warning that a powerful X-class solar flare could trigger strong radio blackouts and strain power ...

This index, from NOAA's National Weather Service, attempts to scale the impacts from winter weather, taking into account ...

Parts of about 27 states are partially or fully within NOAA's forecasted "view line" for the northern lights on Jan. 20. The ...

An air quality alert was reported by the National Weather Service on Tuesday at 11:15 a.m. in effect until Wednesday at 4 p.m ...

New York City can expect dangerous travel conditions and potential blizzards if the storm impacts arrive as expected.

A NOAA forecast suggest that northern lights may be visible in northern U.S. states on Jan. 20. Here's where aurora displays ...

With NOAA flagging a G4 severe geomagnetic storm watch tied to an incoming coronal mass ejection, brokers should be ...

A NOAA forecast has Northern Lights visible in northern U.S. states overnight on Monday, Jan. 19 through Tuesday, Jan. 20, as ...

On Saturday at 5:41 p.m. the National Weather Service reported an air quality alert in effect until Tuesday at noon for Lake ...

NOAA space weather forecasts indicate aurora borealis visibility across parts of the northern United States tonight, driven by solar wind conditions from a solar coronal hole.