Forecast Details for Mendon, MA

Recent Locations: Mendon, MA  
Today: A chance of showers and thunderstorms, mainly before 9am. Mostly cloudy, with a high near 57. Southeast wind 6 to 8 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight: A chance of rain, mainly after 10pm. Patchy fog after 3am. Otherwise, cloudy, with a low around 44. Northeast wind around 6 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday: A chance of rain, mainly before 11am. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 60. Northeast wind around 7 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night: Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 44. East wind around 7 mph becoming south after midnight.
Thursday: A chance of showers, mainly between 2pm and 3pm. Patchy fog before 7am. Otherwise, partly sunny, with a high near 66. South wind 6 to 10 mph. Chance of precipitation is 30%.
Thursday Night: A slight chance of showers before 9pm. Mostly cloudy, with a low around 45. West wind around 11 mph becoming north after midnight. Chance of precipitation is 20%.
Friday: Partly sunny, with a high near 60. Northeast wind around 11 mph.
Friday Night: Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 44. East wind 6 to 10 mph.
Saturday: Mostly cloudy, with a high near 59. Northeast wind 8 to 11 mph.
Saturday Night: Mostly cloudy, with a low around 44. Southeast wind 7 to 10 mph.
Sunday: A chance of showers. Mostly cloudy, with a high near 62. South wind 9 to 13 mph. Chance of precipitation is 30%.
Sunday Night: A chance of showers. Mostly cloudy, with a low around 48. South wind 9 to 11 mph. Chance of precipitation is 50%.
Monday: A chance of showers. Partly sunny, with a high near 72. West wind 10 to 14 mph. Chance of precipitation is 30%.

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Current U.S. National Radar--Current

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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.

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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