To go with the somewhat unusual forecast, the Bay Area saw an unusual cloud Wednesday afternoon. The long cloud hanging in the blue sky was a volutus, or roll cloud, and it most frequently forms ...

Weather When rain clouds travel say from west to east, how does all that water stay in the sky for so long? If I were to throw a bucket of water in the air, gravity would cause it to fall back down.

Rain falls when gaseous water vapour in clouds condenses, forming tiny water droplets about 15 µm in diameter that must grow to about 100 µm before they fall as rain. Once the droplets reach around 40 ...

Clouds at –30 or –35ºF are often entirely liquid because they do not contain any efficient ice-nucleating particles. And yet scientists also see clouds that are much warmer, even 10ºF, that are full ...

More clouds than sun is expected with a daily rain shower or sprinkle possible, mainly in the afternoon or early evening. NEXT WEEKEND: A lower chance for rain with warmer temperatures.

Long Island weather: Spring brings clouds and evening rain Thursday before clear weekend. ... An 80% chance of rain is forecast for Monday, the service said.

Wednesday will have mostly sunny skies with some high clouds. Rain returns Thursday. ... Current long-range forecasts show Saturday and Sunday as showery with highs in the low-to-mid 60s.

Rain ending, decreasing clouds. Skies dry out late and turn cooler for Tuesday. Find out how long the fall-like temperatures stick around in the detailed forecast.

PITTSBURGH (KDKA) — Clouds have kept temperatures very mild through the overnight hours ahead of a system that will bring the Pittsburgh area's long-awaited rain chance on Sunday. Most of ...

Long Island's weekend weather includes rain and clouds, with temperatures in the 60s, according to the National Weather Service.

PITTSBURGH (KDKA) — Clouds have kept temperatures very mild through the overnight hours ahead of a system that will bring the Pittsburgh area's long-awaited rain chance on Sunday. Most of ...