Forecast Details for Apollo, PA

Recent Locations: Ada, OH Hebron, CT Apollo, PA

Tonight: Showers and thunderstorms likely before 2am, then showers likely and possibly a thunderstorm between 2am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 60. Light and variable wind. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Saturday: A chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 82. Southwest wind 5 to 13 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Saturday Night: A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then showers after 2am. Low around 48. South wind 8 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

Sunday: Showers, mainly before 8am. High near 55. West wind 13 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Sunday Night: Mostly cloudy, with a low around 35. West wind 8 to 14 mph.

Monday: A chance of showers, mainly after 2pm. Partly sunny, with a high near 52. Chance of precipitation is 30%.

Monday Night: A chance of showers before 8pm. Partly cloudy, with a low around 31. Chance of precipitation is 30%.

Tuesday: Partly sunny, with a high near 44.

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

Wednesday: Mostly sunny, with a high near 61.

Wednesday Night: Partly cloudy, with a low around 38.

Thursday: Sunny, with a high near 70.

Thursday Night: Partly cloudy, with a low around 46.

Friday: Mostly sunny, with a high near 74.

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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

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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.

Weather Topic: What are Mammatus Clouds?

Home - Education - Cloud Types - Mammatus Clouds

Mammatus Clouds Next Topic: Nimbostratus Clouds

A mammatus cloud is a cloud with a unique feature which resembles a web of pouches hanging along the base of the cloud.

In the United States, mammatus clouds tend to form in the warmer months, commonly in the Midwest and eastern regions.

While they usually form at the bottom of a cumulonimbis cloud, they can also form under altostratus, altocumulus, stratocumulus, and cirrus clouds. Mammatus clouds warn that severe weather is close.

Next Topic: Nimbostratus Clouds

Weather Topic: What is Precipitation?

Home - Education - Precipitation - Precipitation

Next Topic: Rain

Precipitation can refer to many different forms of water that may fall from clouds. Precipitation occurs after a cloud has become saturated to the point where its water particles are more dense than the air below the cloud.

In most cases, precipitation will reach the ground, but it is not uncommon for precipitation to evaporate before it reaches the earth's surface. When precipitation evaporates before it contacts the ground it is called Virga. Graupel, hail, sleet, rain, drizzle, and snow are forms of precipitation, but fog and mist are not considered precipitation because the water vapor which constitutes them isn't dense enough to fall to the ground.

Next Topic: Rain