The long days of summer are fading, and early hints of fall are starting to creep in. The impending seasonal shift is already noticeable, not in the leaves just yet, but in the light. Sunset is now ...

Wind shear, which is the change in wind speed or direction in the atmosphere, can disrupt a developing tropical system. "We expect this mass of showers and thunderstorms to overcome wind shear and ...

Cold air to trigger frost, freeze across interior Northeast as autumn chill takes hold A sharp chill will bring widespread frost and freeze conditions to the interior Northeast and mid-Atlantic late ...

Rachel to make rare sweep into Southern California; Southwest flooding, gusty winds upcoming While millions are counting the hours to the end of the heat wave, Rachel, with its drenching rain, cooler ...

The heat will coincide with an elevated wildfire risk. Through Sunday, a few weak disturbances are expected to traverse the large dome of high pressure over the Southwest, resulting in periods of ...

Waters across much of the eastern Pacific are several degrees warmer than the historical average. Combined with low wind shear, these conditions are favorable for rapid intensification. Simon has ...

Given the heavy rain that has already fallen across much of this region, additional downpours are expected to trigger flash flooding, especially in low-lying and poor drainage areas. Reduced ...

Four days of persistent wind, flooding and dangerous surf have left coastal communities in Virginia and North Carolina dealing with inundated streets and damaged pavement as the season’s first ...

California faces additional coastal threats in October thanks to a spin-off from the developing super El Niño, known as a Kelvin wave, expected to bring a few inches to half a foot of sea-level rise, ...

Much colder air, snow coming to western US in dramatic weather shift Temperatures will plummet, rain will pour down and snow will fly this weekend into early next week as a major pattern change ...

In the past week, Polo's winds reached 180 mph on two separate occasions, which is extremely rare for a tropical cyclone in any basin on the planet. The storm strengthened from a tropical storm to a ...