Forecast Details for Seattle, WA

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Today: Mostly cloudy, with a high near 49. North wind 5 to 9 mph becoming calm in the afternoon.
Tonight: Mostly cloudy, with a low around 42. East northeast wind around 6 mph.
Monday: Partly sunny, with a high near 49. Light and variable wind.
Monday Night: Mostly cloudy, with a low around 40. Light and variable wind becoming south southeast 5 to 9 mph in the evening.
Tuesday: A 50 percent chance of rain, mainly after 10am. Mostly cloudy, with a high near 48. South wind around 11 mph.
Tuesday Night: A 30 percent chance of rain. Mostly cloudy, with a low around 44.
Wednesday: Rain likely, mainly after 4pm. Mostly cloudy, with a high near 50. Chance of precipitation is 60%.
Wednesday Night: Rain. Cloudy, with a low around 46.
Thursday: Rain, mainly before 4pm. Cloudy, with a high near 51.
Thursday Night: Rain likely, mainly after 10pm. Mostly cloudy, with a low around 45.
Friday: Rain likely. Cloudy, with a high near 49.
Friday Night: A chance of rain. Mostly cloudy, with a low around 42.
Saturday: A chance of rain. Mostly 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

The Current National Weather Forecast and National Weather Map are shown below.

Today's National Weather Map

National Weather Forecast for Tomorrow

Tomorrow National Weather Forecast and Tomorrow National Weather Map are show below.

Tomorrows National Weather Map

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.

North American Water Vapor Map

Weather Topic: What is Snow?

Home - Education - Precipitation - Snow

Snow Next Topic: Stratocumulus Clouds

Snow is precipitation taking the form of ice crystals. Each ice crystal, or snowflake, has unique characteristics, but all of them grow in a hexagonal structure. Snowfall can last for sustained periods of time and result in significant buildup of snow on the ground.

On the earth's surface, snow starts out light and powdery, but as it begins to melt it tends to become more granular, producing small bits of ice which have the consistency of sand. After several cycles of melting and freezing, snow can become very dense and ice-like, commonly known as snow pack.

Next Topic: Stratocumulus Clouds

Weather Topic: What are Stratus Clouds?

Home - Education - Cloud Types - Stratus Clouds

Stratus Clouds Next Topic: Wall Clouds

Stratus clouds are similar to altostratus clouds, but form at a lower altitude and are identified by their fog-like appearance, lacking the distinguishing features of most clouds.

Stratus clouds are wider than most clouds, and their base has a smooth, uniform look which is lighter in color than a nimbostratus cloud. The presence of a stratus cloud indicates the possibility of minor precipitation, such as drizzle, but heavier precipitation does not typically arrive in the form of a stratus cloud.

Next Topic: Wall Clouds