Forecast Details for Leechburg, PA

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Today: Sunny, with a high near 61. Light northwest wind.
Tonight: Showers likely after 2am. Increasing clouds, with a low around 47. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday: Showers. High near 65. Light southwest wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night: Showers and possibly a thunderstorm. Low around 54. Light southwest wind. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday: A chance of showers before 2pm. Partly sunny, with a high near 66. West wind 6 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night: Showers likely, mainly after 2am. Partly cloudy, with a low around 44. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday: Showers likely, mainly before 8am. Mostly cloudy, with a high near 53. Chance of precipitation is 60%.
Thursday Night: Mostly cloudy, with a low around 34.
Friday: A chance of snow showers before 8am, then a chance of rain and snow showers between 8am and 9am, then a chance of rain showers after 9am. Mostly cloudy, with a high near 47. Chance of precipitation is 30%.
Friday Night: Mostly cloudy, with a low around 32.
Saturday: A chance of showers. Partly sunny, with a high near 53. Chance of precipitation is 30%.
Saturday Night: A chance of showers. Mostly cloudy, with a low around 38. Chance of precipitation is 30%.
Sunday: A chance of showers. Mostly cloudy, with a high near 58. Chance of precipitation is 40%.

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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 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