Forecast Details for Pittsburgh, PA

Recent Locations: El Paso, TX Oakland, CA Pittsburgh, PA

Tonight: Mostly cloudy, with a low around 15. Light southwest wind.

Friday: Snow, mainly before 5pm. High near 31. South wind 5 to 8 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

Friday Night: Snow, mainly between 7pm and 1am. Low around 4. Wind chill values as low as -11. Northwest wind 7 to 17 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

Saturday: Partly sunny and cold, with a high near 12. Wind chill values as low as -14. Northwest wind 14 to 17 mph, with gusts as high as 29 mph.

Saturday Night: Partly cloudy, with a low around -2. Northwest wind 5 to 9 mph becoming light west after midnight. Winds could gust as high as 20 mph.

Sunday: Partly sunny, with a high near 19.

Sunday Night: Partly cloudy, with a low around 4.

Monday: Partly sunny, with a high near 28.

Monday Night: Mostly cloudy, with a low around 16.

Tuesday: Mostly sunny, with a high near 40.

Tuesday Night: A chance of snow. Partly cloudy, with a low around 30. Chance of precipitation is 30%.

Wednesday: A chance of rain and snow. Mostly cloudy, with a high near 43. Chance of precipitation is 40%.

Wednesday Night: A chance of rain and snow. Cloudy, with a low around 30. Chance of precipitation is 30%.

Thursday: A chance of rain and snow. Cloudy, with a high near 39. Chance of precipitation is 30%.

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Current U.S. National Radar--Current

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National Weather Forecast--Current

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National Weather Forecast for Tomorrow

Tomorrow National Weather Forecast and Tomorrow National Weather Map are show below.

North America Water Vapor (Moisture)

This map shows recent moisture content over North America. Bright and colored areas show high moisture (ie, clouds); brown indicates very little moisture present; black indicates no moisture.

Weather Topic: What are Stratus Clouds?

Home - Education - Cloud Types - Stratus Clouds

Next Topic: Wall Clouds

Stratus clouds are similar to altostratus clouds, but form at a lower altitude and are identified by their fog-like appearance, lacking the distinguishing features of most clouds.

Stratus clouds are wider than most clouds, and their base has a smooth, uniform look which is lighter in color than a nimbostratus cloud. The presence of a stratus cloud indicates the possibility of minor precipitation, such as drizzle, but heavier precipitation does not typically arrive in the form of a stratus cloud.

Next Topic: Wall Clouds

Weather Topic: What are Altocumulus Clouds?

Home - Education - Cloud Types - Altocumulus Clouds

Next Topic: Altostratus Clouds

Similar to cirrocumulus clouds, altocumulus clouds are characterized by cloud patches. They are distinguished by larger cloudlets than cirrocumulus clouds but are still smaller than stratocumulus clouds.

Altocumulus clouds most commonly form in middle altitudes (between 2 and 5 km) and may resemble, at times, the shape of a flying saucer. These uncommon formations, called altocumulus lenticularis, are created by uplift in the atmosphere and are most often seen in close proximity to mountains.

Next Topic: Altostratus Clouds