Forecast Details for Seattle-Tacoma International Airport, WA

This Afternoon: Partly sunny, with a high near 64. Southwest wind 8 to 10 mph.
Tonight: A 20 percent chance of rain after 4am. Mostly cloudy, with a low around 49. South southwest wind 9 to 13 mph.
Wednesday: A 10 percent chance of rain before 7am. Mostly cloudy, with a high near 61. Southwest wind 8 to 10 mph.
Wednesday Night: Mostly cloudy, with a low around 46. South southeast wind 5 to 10 mph.
Thursday: A 20 percent chance of rain after 11am. Mostly cloudy, with a high near 57. South southeast wind 6 to 8 mph becoming southwest in the afternoon.
Thursday Night: A 30 percent chance of rain before 11pm. Mostly cloudy, with a low around 48.
Friday: A 30 percent chance of rain, mainly after 11am. Mostly cloudy, with a high near 61.
Friday Night: A chance of rain. Mostly cloudy, with a low around 49.
Saturday: A chance of rain. Mostly cloudy, with a high near 63.
Saturday Night: A chance of showers and thunderstorms before 11pm. Mostly cloudy, with a low around 49.
Sunday: Partly sunny, with a high near 64.
Sunday Night: A slight chance of rain. Mostly cloudy, with a low around 48.
Monday: A slight chance of rain. Partly sunny, with a high near 64.

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Current U.S. National Radar--Current

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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)

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 Drizzle?

Home - Education - Precipitation - Drizzle

Drizzle Next Topic: Evaporation

Drizzle is precipitation in the form of water droplets which are smaller than raindrops.

Drizzle is characterized by fine, gently falling droplets and typically does not impact human habitation in a negative way. The exception to this is freezing drizzle, a condition where drizzle freezes immediately upon reaching earth's surface. Freezing drizzle is still less dangerous than freezing rain, but can potentially result in hazardous road conditions.

Next Topic: Evaporation

Weather Topic: What is Fog?

Home - Education - Cloud Types - Fog

Fog Next Topic: Fractus Clouds

Fog is technically a type of stratus cloud, which lies along the ground and obscures visibility.

It is usually created when humidity in the air condenses into tiny water droplets. Because of this, some places are more prone to foggy weather, such as regions close to a body of water.

Fog is similar to mist; both are the appearance of water droplets suspended in the air, but fog is the term applied to the condition when visibility is less than 1 km.

Next Topic: Fractus Clouds

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