Forecast Details for Palmyra, PA

Recent Locations: Palmyra, PA  
Tonight: Showers and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms, mainly between 2am and 3am. Low around 53. East wind 7 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday: Mostly cloudy, with a high near 63. East wind around 8 mph.
Thursday Night: Mostly cloudy, with a low around 44. East wind 8 to 10 mph.
Friday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 63. Southeast wind 8 to 11 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 48. South wind 7 to 9 mph becoming west after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday: Partly sunny, with a high near 62.
Saturday Night: Partly cloudy, with a low around 39.
Sunday: Partly sunny, with a high near 59.
Sunday Night: Partly cloudy, with a low around 39.
Monday: Sunny, with a high near 64.
Monday Night: Partly cloudy, with a low around 42.
Tuesday: Partly sunny, with a high near 66.
Tuesday Night: A chance of showers. Mostly cloudy, with a low around 48. Chance of precipitation is 40%.
Wednesday: A chance of showers. Partly sunny, with a high near 64. 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

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Today's National Weather Map

National Weather Forecast for Tomorrow

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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 Cumulus Clouds?

Home - Education - Cloud Types - Cumulus Clouds

Cumulus Clouds Next Topic: Drizzle

Cumulus clouds are fluffy and textured with rounded tops, and may have flat bottoms. The border of a cumulus cloud is clearly defined, and can have the appearance of cotton or cauliflower.

Cumulus clouds form at low altitudes (rarely above 2 km) but can grow very tall, becoming cumulus congestus and possibly the even taller cumulonimbus clouds. When cumulus clouds become taller, they have a greater chance of producing precipitation.

Next Topic: Drizzle

Weather Topic: What is Evaporation?

Home - Education - Precipitation - Evaporation

Evaporation Next Topic: Fog

Evaporation is the process which returns water from the earth back to the atmosphere, and is another crucial process in the water cycle.

Evaporation is the transformation of liquid into gas, and it happens because molecules are excited by the application of energy and turn into vapor. In order for water to evaporate it has to be on the surface of a body of water.

Next Topic: Fog