Forecast Details for Pittsburgh, PA

Your Recent Locations:  Pittsburgh, PA  
Today: Patchy drizzle between 10am and 2pm, then patchy drizzle with a slight chance of light rain after 2pm. Cloudy, with a high near 43. Southwest wind 5 to 9 mph. Chance of precipitation is 20%.
Tonight: Patchy drizzle with a slight chance of light rain before 4am, then patchy drizzle after 4am. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 39. Southwest wind around 9 mph. Chance of precipitation is 20%.
Tuesday: Patchy drizzle before 1pm. Mostly cloudy, with a high near 50. Southwest wind 10 to 14 mph.
Tuesday Night: Mostly cloudy, with a low around 31. West wind 7 to 10 mph.
Wednesday: Mostly sunny, with a high near 39. Northwest wind 5 to 7 mph.
Wednesday Night: Partly cloudy, with a low around 25.
Thursday: Mostly sunny, with a high near 44.
Thursday Night: Mostly cloudy, with a low around 34.
Friday: A chance of rain after 1pm. Mostly cloudy, with a high near 52. Chance of precipitation is 40%.
Friday Night: Rain likely, mainly after 9pm. Cloudy, with a low around 40. Chance of precipitation is 70%.
Saturday: Rain likely. Mostly cloudy, with a high near 50. Chance of precipitation is 60%.
Saturday Night: A chance of rain. Mostly cloudy, with a low around 33. Chance of precipitation is 30%.
Sunday: A chance of rain and snow. Mostly cloudy, with a high near 42. Chance of precipitation is 40%.

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Weather Topic: What are Cumulonimbus Clouds?

Home - Education - Cloud Types - Cumulonimbus Clouds

cumulonimbus clouds Next Topic: Stratus Clouds

The final form taken by a growing cumulus cloud is the cumulonimbus cloud, which is very tall and dense. The tower of a cumulonimbus cloud can soar 23 km into the atmosphere, although most commonly they stop growing at an altitude of 6 km.

Even small cumulonimbus clouds appear very large in comparison to other cloud types. They can signal the approach of stormy weather, such as thunderstorms or blizzards.

Next Topic: Stratus Clouds

Weather Topic: What are Nimbostratus Clouds?

Home - Education - Cloud Types - Nimbostratus Clouds

nimbostratus clouds Next Topic: Stratocumulus Clouds

A nimbostratus cloud is similar to a stratus cloud in its formless, smooth appearance. However, a nimbostratus cloud is darker than a stratus cloud, because it is thicker.

Unlike a stratus cloud, a nimbostratus cloud typically brings with it the threat of moderate to heavy precipitation. In some cases, the precipitation may evaporate before reaching the ground, a phenomenon known as virga.

Next Topic: Stratocumulus Clouds