Forecast Details for Orson, PA

Recent Locations: Orson, PA  
This Afternoon: Sunny, with a high near 52. North wind around 8 mph.
Tonight: Clear, with a low around 28. North wind 7 to 9 mph becoming northeast after midnight.
Friday: Sunny, with a high near 56. East wind 6 to 8 mph becoming south in the afternoon.
Friday Night: Mostly clear, with a low around 34. South wind 7 to 10 mph.
Saturday: A chance of showers, mainly after 2pm. Partly sunny, with a high near 55. South wind 13 to 17 mph. Chance of precipitation is 30%.
Saturday Night: A chance of showers, with thunderstorms also possible after 2am. Mostly cloudy, with a low around 44. Chance of precipitation is 50%.
Sunday: A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 70. Chance of precipitation is 30%.
Sunday Night: A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 53. Chance of precipitation is 30%.
Monday: Mostly sunny, with a high near 77.
Monday Night: Partly cloudy, with a low around 55.
Tuesday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 69. Chance of precipitation is 70%.
Tuesday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 51. Chance of precipitation is 60%.
Wednesday: Mostly sunny, with a high near 68.

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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

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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 are Shelf Clouds?

Home - Education - Cloud Types - Shelf Clouds

Shelf Clouds Next Topic: Sleet

A shelf cloud is similar to a wall cloud, but forms at the front of a storm cloud, instead of at the rear, where wall clouds form.

A shelf cloud is caused by a series of events set into motion by the advancing storm; first, cool air settles along the ground where precipitation has just fallen. As the cool air is brought in, the warmer air is displaced, and rises above it, because it is less dense. When the warmer air reaches the bottom of the storm cloud, it begins to cool again, and the resulting condensation is a visible shelf cloud.

Next Topic: Sleet

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