Forecast Details for Williamstown, NY

Recent Locations: Danboro, PA   Carville, LA   Williamstown, NY  
Overnight: Partly cloudy, with a low around 61. Calm wind.
Tuesday: A slight chance of showers after 2pm. Partly sunny, with a high near 84. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 20%.
Tuesday Night: Partly cloudy, with a low around 65. Calm wind becoming southeast around 5 mph after midnight.
Wednesday: A chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 83. South wind 7 to 9 mph. 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, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 64. Southeast wind around 9 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday: Showers and possibly a thunderstorm. High near 75. South wind 7 to 10 mph becoming west in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 57. South wind 3 to 6 mph. Chance of precipitation is 60%.
Friday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 70. Southwest wind 5 to 8 mph. Chance of precipitation is 60%.
Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 54. Chance of precipitation is 40%.
Saturday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 68. Chance of precipitation is 60%.
Saturday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 54. Chance of precipitation is 60%.
Sunday: Showers likely. Mostly cloudy, with a high near 70. Chance of precipitation is 60%.
Sunday Night: Showers likely. Mostly cloudy, with a low around 54. Chance of precipitation is 60%.
Monday: A chance of showers. Partly sunny, with a high near 70. Chance of precipitation is 50%.

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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

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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 Evaporation?

Home - Education - Precipitation - Evaporation

Evaporation Next Topic: Fog

Evaporation is the process which returns water from the earth back to the atmosphere, and is another crucial process in the water cycle.

Evaporation is the transformation of liquid into gas, and it happens because molecules are excited by the application of energy and turn into vapor. In order for water to evaporate it has to be on the surface of a body of water.

Next Topic: Fog

Weather Topic: What are Fractus Clouds?

Home - Education - Cloud Types - Fractus Clouds

Fractus Clouds Next Topic: Freezing Rain

A fractus cloud (scud) is a fragmented, tattered cloud which has likely been sheared off of another cloud. They are accessory clouds, meaning they develop from parent clouds, and are named in a way which describes the original cloud which contained them.

Fractus clouds which have originated from cumulus clouds are referred to as cumulus fractus, while fractus clouds which have originated from stratus clouds are referred to as stratus fractus. Under certain conditions a fractus cloud might merge with another cloud, or develop into a cumulus cloud, but usually a fractus cloud seen by itself will dissipate rapidly.

They are often observed on the leading and trailing edges of storm clouds, and are a display of wind activity.

Next Topic: Freezing Rain