Forecast Details for Lowell, MA

Recent Locations: John F Kennedy International Airport, NY   Sonora, TX   Lowell, MA  
Today: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 71. East wind 6 to 10 mph.
Tonight: A slight chance of showers after 11pm. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 51. Northeast wind 5 to 7 mph. Chance of precipitation is 20%.
Saturday: A chance of showers. Cloudy, with a high near 61. Northeast wind 6 to 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night: A slight chance of showers before 9pm. Mostly cloudy, with a low around 51. North wind 3 to 6 mph. Chance of precipitation is 20%.
Sunday: Partly sunny, with a high near 68. North wind 5 to 8 mph.
Sunday Night: Partly cloudy, with a low around 48. East wind around 6 mph becoming calm in the evening.
Monday: Mostly sunny, with a high near 76. Calm wind becoming east 5 to 7 mph in the afternoon.
Monday Night: Mostly clear, with a low around 51. Southeast wind around 6 mph becoming calm in the evening.
Tuesday: Sunny, with a high near 82. Calm wind becoming south 5 to 7 mph in the afternoon.
Tuesday Night: Partly cloudy, with a low around 55. Southwest wind around 7 mph.
Wednesday: Mostly sunny, with a high near 83. Southwest wind 6 to 10 mph.
Wednesday Night: A chance of showers. Mostly cloudy, with a low around 60. South wind 6 to 8 mph. Chance of precipitation is 30%.
Thursday: A chance of showers. Partly sunny, with a high near 80. Southwest wind 6 to 10 mph. Chance of precipitation is 30%.

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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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Tomorrows National Weather Map

North America Water Vapor (Moisture)

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North American Water Vapor Map

Weather Topic: What are Contrails?

Home - Education - Cloud Types - Contrails

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

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