Forecast Details for Pittsburgh, PA

Recent Locations: Pittsburgh, PA  
Overnight: Patchy fog after 5am. Otherwise, mostly clear, with a low around 57. Calm wind.
Saturday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 80. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night: Clear, with a low around 60. Light south wind.
Sunday: Mostly sunny, with a high near 82. Southwest wind 3 to 7 mph.
Sunday Night: Partly cloudy, with a low around 63. Southwest wind around 5 mph becoming calm in the evening.
Monday: A chance of showers after 2pm. Mostly sunny, with a high near 82. Chance of precipitation is 30%.
Monday Night: A chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 40%.
Tuesday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 68. Chance of precipitation is 70%.
Tuesday Night: A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 52. Chance of precipitation is 50%.
Wednesday: A chance of showers after 2pm. Partly sunny, with a high near 67. Chance of precipitation is 30%.
Wednesday Night: A chance of showers. Mostly cloudy, with a low around 49. Chance of precipitation is 30%.
Thursday: A chance of showers. Mostly sunny, with a high near 63. Chance of precipitation is 40%.
Thursday Night: Mostly cloudy, with a low around 44.
Friday: A chance of showers. Partly sunny, with a high near 59. Chance of precipitation is 30%.

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Current U.S. National Radar--Current

The Current National Weather Radar is shown below with a UTC Time (subtract 5 hours from UTC to get Eastern Time).

Current U.S. National Radar

National Weather Forecast--Current

The Current National Weather Forecast and National Weather Map are shown below.

Today's National Weather Map

National Weather Forecast for Tomorrow

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

Tomorrows National Weather Map

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.

North American Water Vapor Map

Weather Topic: What is Snow?

Home - Education - Precipitation - Snow

Snow Next Topic: Stratocumulus Clouds

Snow is precipitation taking the form of ice crystals. Each ice crystal, or snowflake, has unique characteristics, but all of them grow in a hexagonal structure. Snowfall can last for sustained periods of time and result in significant buildup of snow on the ground.

On the earth's surface, snow starts out light and powdery, but as it begins to melt it tends to become more granular, producing small bits of ice which have the consistency of sand. After several cycles of melting and freezing, snow can become very dense and ice-like, commonly known as snow pack.

Next Topic: Stratocumulus Clouds

Weather Topic: What are Stratus Clouds?

Home - Education - Cloud Types - Stratus Clouds

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