Forecast Details for Seattle, WA

Recent Locations: Springfield, IL Lexington, KY Seattle, WA

This Afternoon: Mostly sunny, with a high near 59. Light northwest wind.

Tonight: Partly cloudy, with a low around 42. Light south southeast wind.

Friday: Mostly sunny, with a high near 59. Calm wind becoming south around 5 mph in the afternoon.

Friday Night: A 30 percent chance of rain after 4am. Increasing clouds, with a low around 45. South southeast wind around 6 mph.

Saturday: Rain, mainly after 10am. High near 53. South wind 6 to 8 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

Saturday Night: Rain. Low around 48. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Sunday: Rain. High near 52. Chance of precipitation is 80%.

Sunday Night: Rain likely, mainly before 10pm. Mostly cloudy, with a low around 43.

Monday: Rain likely, mainly after 10am. Mostly cloudy, with a high near 50.

Monday Night: A chance of rain. Mostly cloudy, with a low around 41.

Tuesday: A chance of rain. Mostly cloudy, with a high near 49.

Tuesday Night: Mostly cloudy, with a low around 38.

Wednesday: A slight chance of rain. Partly sunny, with a high near 50.

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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).

National Weather Forecast--Current

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

National Weather Forecast for Tomorrow

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

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.

Weather Topic: What are Altocumulus Clouds?

Home - Education - Cloud Types - Altocumulus Clouds

Next Topic: Altostratus Clouds

Similar to cirrocumulus clouds, altocumulus clouds are characterized by cloud patches. They are distinguished by larger cloudlets than cirrocumulus clouds but are still smaller than stratocumulus clouds.

Altocumulus clouds most commonly form in middle altitudes (between 2 and 5 km) and may resemble, at times, the shape of a flying saucer. These uncommon formations, called altocumulus lenticularis, are created by uplift in the atmosphere and are most often seen in close proximity to mountains.

Next Topic: Altostratus Clouds

Weather Topic: What are Cirrocumulus Clouds?

Home - Education - Cloud Types - Cirrocumulus Clouds

Next Topic: Cirrostratus Clouds

Cirrocumulus clouds form at high altitudes (usually around 5 km) and have distinguishing characteristics displayed in a fine layer of small cloud patches. These small cloud patches are sometimes referred to as "cloudlets" in relation to the whole cloud formation.

Cirrocumulus clouds are formed from ice crystals and water droplets. Often, the water droplets in the cloud freeze into ice crystals and the cloud becomes a cirrostratus cloud. Because of this common occurrence, cirrocumulus cloud formations generally pass rapidly.

Next Topic: Cirrostratus Clouds