Forecast Details for Eugene, OR

Recent Locations: Lansing, MI Chattanooga, TN Eugene, OR

Current Alerts for Eugene, OR: Air Stagnation Advisory

Tonight: Partly cloudy, with a low around 40. Calm wind.

Saturday: Rain, mainly after 1pm. High near 57. South wind 3 to 6 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Saturday Night: Rain. Steady temperature around 51. Light south southeast wind. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

Sunday: Rain. High near 53. South southwest wind 3 to 6 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

Sunday Night: Rain. Low around 41. South southwest wind around 6 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

Monday: A 50 percent chance of rain before 4pm. Partly sunny, with a high near 52.

Monday Night: A 20 percent chance of rain after 10pm. Partly cloudy, with a low around 34.

Tuesday: A slight chance of rain after 4pm. Mostly sunny, with a high near 50.

Tuesday Night: A slight chance of rain before 10pm. Partly cloudy, with a low around 34.

Wednesday: Mostly sunny, with a high near 52.

Wednesday Night: Mostly cloudy, with a low around 34.

Thursday: A slight chance of rain. Partly sunny, with a high near 52.

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

Friday: A chance of rain. Mostly cloudy, with a high near 48.

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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

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 Nimbostratus Clouds?

Home - Education - Cloud Types - Nimbostratus Clouds

Nimbostratus Clouds Next Topic: Precipitation

A nimbostratus cloud is similar to a stratus cloud in its formless, smooth appearance. However, a nimbostratus cloud is darker than a stratus cloud, because it is thicker.

Unlike a stratus cloud, a nimbostratus cloud typically brings with it the threat of moderate to heavy precipitation. In some cases, the precipitation may evaporate before reaching the ground, a phenomenon known as virga.

Next Topic: Precipitation

Weather Topic: What is Rain?

Home - Education - Precipitation - Rain

Rain Next Topic: Shelf Clouds

Precipitation in the form of water droplets is called rain. Rain generally has a tendency to fall with less intensity over a greater period of time, and when rainfall is more severe it is usually less sustained.

Rain is the most common form of precipitation and happens with greater frequency depending on the season and regional influences. Cities have been shown to have an observable effect on rainfall, due to an effect called the urban heat island. Compared to upwind, monthly rainfall between twenty and forty miles downwind of cities is 30% greater.

Next Topic: Shelf Clouds