Forecast Details for Philadelphia International Airport, PA

Recent Locations: George Bush Intercontinental/Houston Airport, TX Miami International Airport, FL Philadelphia International Airport, PA

Tonight: A chance of light snow. Cloudy, with a low around 13. Southwest wind 5 to 10 mph becoming northwest 10 to 15 mph after midnight. Chance of precipitation is 50%. Total nighttime snow accumulation of less than a half inch possible.

Saturday: Partly sunny, with a temperature falling to around 11 by 10am. Wind chill values as low as -10. Windy, with a northwest wind 25 to 30 mph, with gusts as high as 55 mph.

Saturday Night: Mostly clear, with a low around 5. Wind chill values as low as -11. Blustery, with a northwest wind 15 to 25 mph, with gusts as high as 45 mph.

Sunday: Sunny, with a high near 20. Wind chill values as low as -10. Northwest wind around 15 mph, with gusts as high as 30 mph.

Sunday Night: Mostly clear, with a low around 6. Northwest wind around 5 mph.

Monday: Partly sunny, with a high near 26.

Monday Night: Partly cloudy, with a low around 15.

Tuesday: Mostly sunny, with a high near 36.

Tuesday Night: Mostly cloudy, with a low around 25.

Wednesday: A chance of rain and snow. Mostly cloudy, with a high near 38. Chance of precipitation is 50%.

Wednesday Night: A chance of rain and snow. Mostly cloudy, with a low around 26. Chance of precipitation is 40%.

Thursday: Mostly cloudy, with a high near 35.

Thursday Night: Partly cloudy, with a low around 22.

Friday: Mostly sunny, with a high near 34.

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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 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

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