A new type of lidar is allowing physicists to study cloud tops at a resolution 100 to 1,000 times higher than before.

The city of Philadelphia may get between 1 and 4 inches of snow on Friday night. Philadelphia is unlikely to have a white ...

MERRY CHRISTMAS from all of us here on the Weather First team!!!It’s a foggy one out there this morning, it’s a good thing ...

Dense fog settles in on this Christmas morning. When it will clear up before cold snow chances return this weekend in your ...

As the holiday season approaches, Philadelphia is bracing for its second snowfall of the season, with an expected accumulation of 1 to 4 inches of snow on Friday night. While a white Christmas may not ...

Stormy conditions are expected to continue throughout Christmas Day, with a state of emergency declared in six Californian ...

Christmas will be cloudy with showers in the morning, but mostly dry conditions in the afternoon with a few showers around.

Foggy and mild to start Wednesday Some dense fog advisories are in place for portions of the Bluegrass, mainly west of I-75.

Atmospheric rivers are massive plumes of moisture carried across the sky that can dump heavy rains or snow over land. Here’s a look at the phenomenon: Where do atmospheric rivers come ...

During the evening and night, precipitation will fall as rain, sleet, and snow in hilly and mountainous areas, while local snow showers are expected toward the end of the week, the State ...

Meteorologist Tony Pann said there will be an inch or less of snow, but there could be up to half an inch of sleet.

Finally, the wavy jet stream became locked in place by persistent high-pressure systems, anchoring storm tracks over the same regions. This led to repeated episodes of heavy rainfall and catastrophic ...