Forecast Details for Pittsburgh, PA

Recent Locations: Gilbert, AZ Honolulu, HI Pittsburgh, PA

Tonight: Mostly cloudy, with a low around 50. South wind 6 to 8 mph.

Monday: Scattered showers before 11am, then isolated showers after 5pm. Mostly cloudy, with a high near 66. Southwest wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.

Monday Night: Scattered showers and thunderstorms before midnight, then showers likely and possibly a thunderstorm between midnight and 2am, then rain likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 59. Southwest wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tuesday: Rain likely and possibly a thunderstorm before 8am, then a chance of rain between 8am and 2pm. Mostly cloudy, with a high near 77. Southwest wind 11 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tuesday Night: A slight chance of thunderstorms, then a chance of rain and thunderstorms after 8pm. Mostly cloudy, with a low around 60. Southwest wind 11 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday: Rain, with thunderstorms also possible after 2pm. High near 72. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday Night: Rain likely and possibly a thunderstorm before 2am, then a chance of rain. Mostly cloudy, with a low around 52. Chance of precipitation is 60%.

Thursday: Rain likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 77. Chance of precipitation is 70%.

Thursday Night: Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.

Friday: Rain likely, mainly after 8am. Mostly cloudy, with a high near 75. Chance of precipitation is 60%.

Friday Night: A chance of rain. Mostly cloudy, with a low around 54. Chance of precipitation is 40%.

Saturday: Rain likely. Mostly cloudy, with a high near 77. Chance of precipitation is 60%.

Saturday Night: Rain likely. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.

Sunday: Rain likely. Mostly cloudy, with a high near 75. Chance of precipitation is 60%.

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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

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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