Forecast Details for Marchand, PA

Recent Locations: Ben Hur, VA   Lentner, MO   Marchand, PA  
Tonight: Patchy fog after 4am. Otherwise, mostly clear, with a low around 55. Calm wind.
Monday: Patchy fog before 8am. Otherwise, sunny, with a high near 83. Light and variable wind.
Monday Night: Mostly clear, with a low around 59. Calm wind.
Tuesday: Sunny, with a high near 85. Calm wind becoming southwest around 6 mph in the morning.
Tuesday Night: Mostly clear, with a low around 63. Calm wind becoming south around 5 mph after midnight.
Wednesday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 50%.
Thursday: Showers likely, with thunderstorms also possible after 2pm. Partly sunny, with a high near 75. Chance of precipitation is 60%.
Thursday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 52. Chance of precipitation is 30%.
Friday: Sunny, with a high near 75.
Friday Night: A chance of showers. Partly cloudy, with a low around 51. Chance of precipitation is 30%.
Saturday: A chance of showers. Mostly sunny, with a high near 76. Chance of precipitation is 40%.
Saturday Night: A chance of showers. Partly cloudy, with a low around 57. Chance of precipitation is 40%.
Sunday: A chance of showers. Partly sunny, with a high near 79. Chance of precipitation is 50%.

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Current U.S. National Radar--Current

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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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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 is Condensation?

Home - Education - Precipitation - Condensation

Condensation Next Topic: Contrails

Condensation is the process which creates clouds, and therefore it is a crucial process in the water cycle. Condensation is the change of matter from a state of gas into a state of liquid, and it happens because water molecules release heat into the atmosphere and become organized into a more closely packed structure, what we might see as water droplets.

Water is always present in the air around us as a vapor, but it's too small for us to see. When water undergoes the process of condensation it becomes organized into visible water droplets. You've probably seen condensation happen before on the surface of a cold drink!

Next Topic: Contrails

Weather Topic: What are Cumulonimbus Clouds?

Home - Education - Cloud Types - Cumulonimbus Clouds

Cumulonimbus Clouds Next Topic: Cumulus Clouds

The final form taken by a growing cumulus cloud is the cumulonimbus cloud, which is very tall and dense. The tower of a cumulonimbus cloud can soar 23 km into the atmosphere, although most commonly they stop growing at an altitude of 6 km.

Even small cumulonimbus clouds appear very large in comparison to other cloud types. They can signal the approach of stormy weather, such as thunderstorms or blizzards.

Next Topic: Cumulus Clouds