Forecast Details for Erie, PA

Recent Locations: Dallas, TX Fontana, CA Erie, PA

Tonight: Mostly cloudy, with a low around 13. West wind around 6 mph becoming calm after midnight.

Friday: Mostly sunny, with a high near 33. Light southwest wind increasing to 5 to 9 mph in the morning.

Friday Night: A chance of snow, mainly before 1am. Mostly cloudy, with a low around 26. South wind 8 to 11 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

Saturday: Partly sunny, with a high near 34. West wind 3 to 6 mph.

Saturday Night: Mostly cloudy, with a low around 25. Calm wind becoming south around 5 mph after midnight.

Sunday: Partly sunny, with a high near 39.

Sunday Night: Mostly cloudy, with a low around 30.

Washington's Birthday: Partly sunny, with a high near 39.

Monday Night: Partly cloudy, with a low around 32.

Tuesday: Partly sunny, with a high near 43.

Tuesday Night: A chance of rain. Mostly cloudy, with a low around 37. Chance of precipitation is 40%.

Wednesday: Rain likely. Mostly cloudy, with a high near 46. Chance of precipitation is 70%.

Wednesday Night: Rain likely. Mostly cloudy, with a low around 33. Chance of precipitation is 60%.

Thursday: A chance of rain. Mostly cloudy, with a high near 40. Chance of precipitation is 50%.

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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 Mammatus Clouds?

Home - Education - Cloud Types - Mammatus Clouds

Mammatus Clouds Next Topic: Nimbostratus Clouds

A mammatus cloud is a cloud with a unique feature which resembles a web of pouches hanging along the base of the cloud.

In the United States, mammatus clouds tend to form in the warmer months, commonly in the Midwest and eastern regions.

While they usually form at the bottom of a cumulonimbis cloud, they can also form under altostratus, altocumulus, stratocumulus, and cirrus clouds. Mammatus clouds warn that severe weather is close.

Next Topic: Nimbostratus Clouds

Weather Topic: What is Precipitation?

Home - Education - Precipitation - Precipitation

Next Topic: Rain

Precipitation can refer to many different forms of water that may fall from clouds. Precipitation occurs after a cloud has become saturated to the point where its water particles are more dense than the air below the cloud.

In most cases, precipitation will reach the ground, but it is not uncommon for precipitation to evaporate before it reaches the earth's surface. When precipitation evaporates before it contacts the ground it is called Virga. Graupel, hail, sleet, rain, drizzle, and snow are forms of precipitation, but fog and mist are not considered precipitation because the water vapor which constitutes them isn't dense enough to fall to the ground.

Next Topic: Rain