Forecast Details for Williamstown, VT

Recent Locations: Williamstown, VT  
Today: Rain. High near 51. South wind 13 to 15 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight: Showers likely, mainly before 10pm. Cloudy, with a low around 47. South wind 7 to 11 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday: A 30 percent chance of showers, mainly before 10am. Mostly cloudy, then gradually becoming sunny, with a high near 68. Light and variable wind becoming northwest 5 to 8 mph in the morning. New precipitation amounts of less than a tenth of an inch possible.
Monday Night: Patchy fog after 1am. Otherwise, mostly clear, with a low around 45. Northwest wind 3 to 5 mph.
Tuesday: Sunny, with a high near 69. Northwest wind 3 to 8 mph.
Tuesday Night: A 30 percent chance of showers after 2am. Partly cloudy, with a low around 47. North wind around 5 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch possible.
Wednesday: Showers, mainly after 8am. High near 62. Light southeast wind. Chance of precipitation is 80%.
Wednesday Night: Mostly cloudy, with a low around 46. North wind around 7 mph.
Thursday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 58. North wind around 5 mph becoming calm in the morning. Chance of precipitation is 60%.
Thursday Night: Showers likely, mainly before 2am. Mostly cloudy, with a low around 43. Light southeast wind. Chance of precipitation is 70%.
Friday: Showers likely. Mostly cloudy, with a high near 52. South wind 3 to 8 mph. Chance of precipitation is 60%.
Friday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 41. Southeast wind 5 to 8 mph becoming calm after midnight.
Saturday: Showers likely. Mostly cloudy, with a high near 52. Southeast wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

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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 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