Forecast Details for Eugene, OR

Recent Locations: Garland, TX El Monte, CA Eugene, OR

Overnight: A 20 percent chance of showers before 3am. Mostly cloudy, with a steady temperature around 46. Calm wind.

Wednesday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 54. Calm wind becoming west southwest 5 to 8 mph in the morning. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

Wednesday Night: A 20 percent chance of showers before 8pm. Widespread frost, mainly after 3am. Snow level 2400 feet lowering to 1500 feet after midnight . Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 32. Northwest wind around 5 mph becoming calm in the evening.

Thursday: Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 57. Calm wind becoming north 5 to 7 mph in the afternoon.

Thursday Night: Widespread frost, mainly after 4am. Otherwise, mostly clear, with a low around 32. North wind 5 to 8 mph becoming calm in the evening.

Friday: Widespread frost before 9am. Otherwise, mostly sunny, with a high near 63.

Friday Night: Partly cloudy, with a low around 37.

Saturday: Mostly sunny, with a high near 66.

Saturday Night: Partly cloudy, with a low around 41.

Sunday: Mostly cloudy, with a high near 64.

Sunday Night: A chance of rain. Mostly cloudy, with a low around 42.

Monday: A chance of rain. Mostly cloudy, with a high near 56.

Monday Night: A chance of rain. Mostly cloudy, with a low around 37.

Tuesday: Rain likely. Mostly cloudy, with a high near 57.

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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 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

Weather Topic: What are Contrails?

Home - Education - Cloud Types - Contrails

Next Topic: Cumulonimbus Clouds

A contrail is an artificial cloud, created by the passing of an aircraft.

Contrails form because water vapor in the exhaust of aircraft engines is suspended in the air under certain temperatures and humidity conditions. These contrails are called exhaust contrails.

Another type of contrail can form due to a temporary reduction in air pressure moving over the plane's surface, causing condensation. These are called aerodynamic contrails.

When you can see your breath on a cold day, it is also because of condensation. The reason contrails last longer than the condensation from your breath is because the water in contrails freezes into ice particles.

Next Topic: Cumulonimbus Clouds