Forecast Details for Duvall, WA

Recent Locations: Holcomb, IL Scottsville, VA Duvall, WA

Tonight: A 50 percent chance of showers, mainly after 9pm. Cloudy, with a low around 63. Calm wind.

Thursday: A 30 percent chance of showers, mainly before 11am. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 83. Calm wind.

Thursday Night: Patchy fog after 5am. Otherwise, partly cloudy, with a low around 61. Calm wind.

Friday: Patchy fog between 7am and 8am. Otherwise, mostly sunny, with a high near 86. Calm wind.

Friday Night: Partly cloudy, with a low around 59. Calm wind.

Saturday: A 20 percent chance of showers after 11am. Patchy fog before 8am. Otherwise, partly sunny, with a high near 80.

Saturday Night: A chance of showers and thunderstorms. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 57. Chance of precipitation is 40%.

Sunday: A slight chance of showers before 11am. Patchy fog before 9am. Otherwise, partly sunny, with a high near 76.

Sunday Night: Patchy fog after 5am. Otherwise, partly cloudy, with a low around 55.

Labor Day: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 79.

Monday Night: Patchy fog. Otherwise, partly cloudy, with a low around 57.

Tuesday: Patchy fog. Otherwise, sunny, with a high near 82.

Tuesday Night: Mostly clear, with a low around 59.

Wednesday: Mostly sunny, with a high near 84.

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Current U.S. National Radar--Current

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National Weather Forecast--Current

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National Weather Forecast for Tomorrow

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North America Water Vapor (Moisture)

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Weather Topic: What is Precipitation?

Home - Education - Precipitation - Precipitation

Next Topic: Rain

Precipitation can refer to many different forms of water that may fall from clouds. Precipitation occurs after a cloud has become saturated to the point where its water particles are more dense than the air below the cloud.

In most cases, precipitation will reach the ground, but it is not uncommon for precipitation to evaporate before it reaches the earth's surface. When precipitation evaporates before it contacts the ground it is called Virga. Graupel, hail, sleet, rain, drizzle, and snow are forms of precipitation, but fog and mist are not considered precipitation because the water vapor which constitutes them isn't dense enough to fall to the ground.

Next Topic: Rain

Weather Topic: What are Shelf Clouds?

Home - Education - Cloud Types - Shelf Clouds

Shelf Clouds Next Topic: Sleet

A shelf cloud is similar to a wall cloud, but forms at the front of a storm cloud, instead of at the rear, where wall clouds form.

A shelf cloud is caused by a series of events set into motion by the advancing storm; first, cool air settles along the ground where precipitation has just fallen. As the cool air is brought in, the warmer air is displaced, and rises above it, because it is less dense. When the warmer air reaches the bottom of the storm cloud, it begins to cool again, and the resulting condensation is a visible shelf cloud.

Next Topic: Sleet