Forecast Details for Seattle, WA

Recent Locations: Seattle, WA

Today: Mostly cloudy, with a high near 74. West wind 3 to 5 mph.

Tonight: Mostly cloudy, with a low around 57. Light and variable wind becoming south around 5 mph after midnight.

Monday: Cloudy, then gradually becoming mostly sunny, with a high near 75. South southwest wind around 6 mph.

Monday Night: Mostly cloudy, with a low around 58. South wind around 5 mph.

Tuesday: Mostly cloudy, with a high near 76. South southwest wind 5 to 7 mph.

Tuesday Night: A 30 percent chance of rain, mainly after 11pm. Mostly cloudy, with a low around 61.

Wednesday: Rain likely, mainly after 11am. Cloudy, with a high near 72. Chance of precipitation is 60%.

Wednesday Night: Showers likely and possibly a thunderstorm before 11pm, then a chance of rain after 11pm. Mostly cloudy, with a low around 61.

Thursday: A chance of rain. Mostly cloudy, with a high near 72.

Thursday Night: A slight chance of rain before 11pm. Mostly cloudy, with a low around 58.

Friday: Partly sunny, with a high near 76.

Friday Night: Mostly clear, with a low around 58.

Saturday: Sunny, with a high near 79.

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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 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

Weather Topic: What are Cirrus Clouds?

Home - Education - Cloud Types - Cirrus Clouds

Next Topic: Condensation

Cirrus clouds are high-level clouds that occur above 20,000 feet and are composed mainly of ice crystals. They are thin and wispy in appearance.

What do they indicate?
They are often the first sign of an approaching storm.

Next Topic: Condensation