Forecast Details for Lowell, MA

Recent Locations: Lowell, MA

Overnight: Cloudy, with a low around 52. West wind around 16 mph, with gusts as high as 29 mph.

Monday: Isolated showers after 8am. Mostly cloudy, with a high near 58. Breezy, with a northwest wind 17 to 20 mph, with gusts as high as 34 mph. Chance of precipitation is 20%.

Monday Night: Mostly cloudy, with a low around 45. Northwest wind 10 to 17 mph.

Tuesday: Mostly cloudy, with a high near 60. North wind 7 to 11 mph.

Tuesday Night: A chance of showers, mainly between 10pm and 3am. Mostly cloudy, with a low around 47. Calm wind. Chance of precipitation is 30%.

Wednesday: A slight chance of showers after noon. Mostly cloudy, with a high near 55. East wind 5 to 9 mph. Chance of precipitation is 20%.

Wednesday Night: Showers likely, mainly after 3am. Cloudy, with a low around 45. East wind around 6 mph. Chance of precipitation is 60%.

Thursday: Showers. High near 50. East wind 11 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.

Thursday Night: Showers. Low around 44. North wind 8 to 13 mph. Chance of precipitation is 80%.

Friday: Showers likely. Mostly cloudy, with a high near 58. North wind around 8 mph. Chance of precipitation is 60%.

Friday Night: A chance of showers. Mostly cloudy, with a low around 45. Light northwest wind. Chance of precipitation is 50%.

Saturday: A chance of showers. Mostly cloudy, with a high near 62. Northwest wind 5 to 7 mph. Chance of precipitation is 50%.

Saturday Night: A chance of showers. Mostly cloudy, with a low around 46. Light northwest wind. Chance of precipitation is 40%.

Sunday: A chance of showers. Mostly sunny, with a high near 68. Northwest wind 3 to 7 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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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