Forecast Details for Mountlake Terrace, WA

Recent Locations: Mountlake Terrace, WA  
Tonight: Rain, mainly before 1am. Steady temperature around 47. South wind 10 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Monday: Rain likely after 4pm. Partly sunny, with a high near 51. South southeast wind 6 to 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night: Rain. Steady temperature around 47. South southeast wind 11 to 17 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday: Rain. High near 49. South wind around 11 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night: Rain likely, mainly after 4am. Mostly cloudy, with a low around 40. South wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Christmas Day: Rain. High near 46. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night: Rain. Low around 41. Chance of precipitation is 100%.
Thursday: Rain. Cloudy, with a high near 48.
Thursday Night: Rain. Cloudy, with a low around 43.
Friday: Rain. Cloudy, with a high near 49.
Friday Night: Rain. Cloudy, with a low around 42.
Saturday: Rain. Mostly cloudy, with a high near 49.
Saturday Night: Rain. Mostly cloudy, with a low around 41.
Sunday: Rain. Cloudy, with a high near 47.

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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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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