Forecast Details for Lawrence, MA

Recent Locations: Isle, MN Norfork, AR Lawrence, MA

Overnight: Areas of fog after 2am. Otherwise, mostly cloudy, with a low around 48. Calm wind.

Saturday: Areas of fog before 11am. Otherwise, cloudy, with a high near 52. East wind 5 to 9 mph.

Saturday Night: A chance of showers between 9pm and 2am, then a chance of rain after 2am. Patchy fog after 9pm. Otherwise, cloudy, with a low around 43. Light southeast wind. Chance of precipitation is 30%.

Sunday: Rain before 4pm, then rain and snow likely. Some thunder is also possible. Patchy fog. High near 55. Calm wind becoming west 5 to 9 mph in the afternoon. Chance of precipitation is 90%. Little or no snow accumulation expected.

Sunday Night: Rain and snow likely before 8pm, then a chance of rain between 8pm and 11pm. Partly cloudy, with a low around 33. West wind around 7 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

Monday: Mostly sunny, with a high near 45. West wind 6 to 8 mph.

Monday Night: Partly cloudy, with a low around 30. North wind around 5 mph.

Tuesday: Sunny, with a high near 52. Light and variable wind becoming southwest around 6 mph in the morning.

Tuesday Night: Mostly cloudy, with a low around 38. South wind around 6 mph.

Wednesday: Partly sunny, with a high near 60. Southwest wind 6 to 8 mph becoming west in the afternoon.

Wednesday Night: Partly cloudy, with a low around 38. Northwest wind 3 to 5 mph.

Thursday: Mostly sunny, with a high near 61. Northwest wind 5 to 7 mph.

Thursday Night: Partly cloudy, with a low around 41. Northwest wind 3 to 5 mph.

Friday: Mostly sunny, with a high near 63. North wind 5 to 7 mph.

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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)

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Weather Topic: What are Contrails?

Home - Education - Cloud Types - Contrails

Next Topic: Cumulonimbus Clouds

A contrail is an artificial cloud, created by the passing of an aircraft.

Contrails form because water vapor in the exhaust of aircraft engines is suspended in the air under certain temperatures and humidity conditions. These contrails are called exhaust contrails.

Another type of contrail can form due to a temporary reduction in air pressure moving over the plane's surface, causing condensation. These are called aerodynamic contrails.

When you can see your breath on a cold day, it is also because of condensation. The reason contrails last longer than the condensation from your breath is because the water in contrails freezes into ice particles.

Next Topic: Cumulonimbus Clouds

Weather Topic: What are Cumulus Clouds?

Home - Education - Cloud Types - Cumulus Clouds

Next Topic: Drizzle

Cumulus clouds are fluffy and textured with rounded tops, and may have flat bottoms. The border of a cumulus cloud is clearly defined, and can have the appearance of cotton or cauliflower.

Cumulus clouds form at low altitudes (rarely above 2 km) but can grow very tall, becoming cumulus congestus and possibly the even taller cumulonimbus clouds. When cumulus clouds become taller, they have a greater chance of producing precipitation.

Next Topic: Drizzle