Forecast Details for Sheffield, MA

Recent Locations: Lyons, NE Sheffield, MA

Current Alerts for Sheffield, MA: Wind Advisory

Overnight: Showers likely. Cloudy, with a steady temperature around 58. West wind around 10 mph, with gusts as high as 33 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Thursday: Snow showers likely, possibly mixed with rain showers and sleet before noon, then a chance of snow showers. Cloudy, with a temperature falling to around 34 by 4pm. Northwest wind 16 to 18 mph, with gusts as high as 41 mph. Chance of precipitation is 60%. New snow and sleet accumulation of less than a half inch possible.

Thursday Night: Cloudy during the early evening, then gradual clearing, with a low around 23. Northwest wind 8 to 14 mph.

Friday: A chance of snow after 2pm. Increasing clouds, with a high near 41. Calm wind becoming south 5 to 8 mph in the afternoon. Chance of precipitation is 30%. Little or no snow accumulation expected.

Friday Night: A chance of rain and snow before 11pm, then a chance of rain between 11pm and 2am. Mostly cloudy, with a low around 30. South wind around 7 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

Saturday: Mostly sunny, with a high near 43.

Saturday Night: Partly cloudy, with a low around 25.

Sunday: A chance of snow before 2pm. Mostly cloudy, with a high near 44. Chance of precipitation is 30%.

Sunday Night: Rain, mainly after 2am. Low around 35. Chance of precipitation is 80%.

Monday: Rain. High near 60. Chance of precipitation is 90%.

Monday Night: Rain and snow likely. Mostly cloudy, with a low around 27. Chance of precipitation is 70%.

Tuesday: A chance of rain and snow. Partly sunny, with a high near 37. Chance of precipitation is 30%.

Tuesday Night: Partly cloudy, with a low around 17.

Wednesday: Mostly sunny, with a high near 35.

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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 is Sleet?

Home - Education - Precipitation - Sleet

Sleet Next Topic: Snow

Sleet is a form of precipitation in which small ice pellets are the primary components. These ice pellets are smaller and more translucent than hailstones, and harder than graupel. Sleet is caused by specific atmospheric conditions and therefore typically doesn't last for extended periods of time.

The condition which leads to sleet formation requires a warmer body of air to be wedged in between two sub-freezing bodies of air. When snow falls through a warmer layer of air it melts, and as it falls through the next sub-freezing body of air it freezes again, forming ice pellets known as sleet. In some cases, water droplets don't have time to freeze before reaching the surface and the result is freezing rain.

Next Topic: Snow

Weather Topic: What are Stratocumulus Clouds?

Home - Education - Cloud Types - Stratocumulus Clouds

Next Topic: Stratus Clouds

Stratocumulus clouds are similar to altocumulus clouds in their fluffy appearance, but have a slightly darker shade due to their additional mass.

A good way to distinguish the two cloud types is to hold your hand out and measure the size of an individual cloud; if it is the size of your thumb it is generally an altocumulus cloud, if it is the size of your hand it is generally a stratocumulus cloud.

It is uncommon for stratocumulus clouds to produce precipitation, but if they do it is usually a light rain or snow.

Next Topic: Stratus Clouds