Forecast Details for Fincastle, VA

Recent Locations: Fincastle, VA  
Current Alerts for Fincastle, VA: Flash Flood Watch
Overnight: Showers likely. Areas of fog. Otherwise, cloudy, with a low around 69. Calm wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Saturday: Showers, with thunderstorms also possible after 9am. Some of the storms could produce heavy rain. Areas of fog before 10am. High near 72. Light northeast wind. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Saturday Night: Showers likely, mainly before 11pm. Cloudy, with a low around 64. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday: A chance of showers, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 79. Calm wind. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night: A slight chance of showers before 2am. Partly cloudy, with a low around 63. Calm wind. Chance of precipitation is 20%.
Monday: Mostly sunny, with a high near 85.
Monday Night: Mostly clear, with a low around 62.
Tuesday: Mostly sunny, with a high near 85.
Tuesday Night: Partly cloudy, with a low around 62.
Wednesday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 40%.
Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.
Thursday: A chance of showers and thunderstorms. Partly sunny, with a high near 82. Chance of precipitation is 50%.
Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.
Friday: A chance of showers. Partly sunny, with a high near 85. Chance of precipitation is 30%.

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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.

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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

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