Forecast Details for Vancouver, WA

Recent Locations: Salinas, CA Glendale, CA Vancouver, WA

Tonight: Areas of frost after 4am. Otherwise, mostly clear, with a low around 34. East southeast wind around 5 mph becoming calm in the evening.

Friday: Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 58. Calm wind.

Friday Night: Partly cloudy, with a low around 41. Calm wind.

Saturday: Rain, mainly after 4pm. High near 55. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

Saturday Night: Rain. Low around 48. South southeast wind around 6 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Sunday: Rain. High near 53. Chance of precipitation is 90%.

Sunday Night: Rain, mainly before 10pm. Low around 42. Chance of precipitation is 80%.

Monday: A chance of rain. Mostly cloudy, with a high near 51.

Monday Night: A chance of rain. Mostly cloudy, with a low around 39.

Tuesday: A chance of rain, mainly before 4pm. Mostly cloudy, with a high near 50.

Tuesday Night: A slight chance of rain. Mostly cloudy, with a low around 35.

Wednesday: Partly sunny, with a high near 52.

Wednesday Night: A slight chance of rain. Mostly cloudy, with a low around 36.

Thursday: A chance of rain. Mostly cloudy, with a high near 50.

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Current U.S. National Radar--Current

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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 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