Forecast Details for Eugene, OR

Recent Locations: Eugene, OR  
Today: Partly sunny, with a high near 56. North wind 3 to 7 mph.
Tonight: Patchy fog before 1am, then patchy fog after 4am. Otherwise, mostly cloudy, with a low around 38. Light west northwest wind.
Friday: Patchy fog before 7am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 56. Calm wind becoming north northwest around 6 mph in the afternoon.
Friday Night: Patchy fog between 10pm and 1am. Otherwise, partly cloudy, with a low around 38. West southwest wind 5 to 7 mph becoming calm in the evening.
Saturday: Mostly sunny, with a high near 55. Calm wind becoming north around 6 mph in the morning.
Saturday Night: Partly cloudy, with a low around 39.
Sunday: Rain likely, mainly after 4pm. Mostly cloudy, with a high near 54. Chance of precipitation is 60%.
Sunday Night: Rain. Snow level 4100 feet lowering to 2700 feet after midnight . Cloudy, with a low around 38. Breezy.
Monday: Rain. Snow level 1400 feet. Cloudy, with a high near 43.
Monday Night: Rain, possibly mixed with snow. Snow level 800 feet. Mostly cloudy, with a low around 33.
Tuesday: Rain and snow likely. Snow level 700 feet rising to 1800 feet in the afternoon. Mostly cloudy, with a high near 44.
Tuesday Night: Rain and snow. Snow level 2100 feet. Mostly cloudy, with a low around 36.
Wednesday: Rain and snow. Snow level 2700 feet rising to 3600 feet in the afternoon. Cloudy, with a high near 48.

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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).

Current U.S. National Radar

National Weather Forecast--Current

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Today's National Weather Map

National Weather Forecast for Tomorrow

Tomorrow National Weather Forecast and Tomorrow National Weather Map are show below.

Tomorrows National Weather Map

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.

North American Water Vapor Map

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

Weather Topic: What is Sleet?

Home - Education - Precipitation - Sleet

Sleet Next Topic: Snow

Sleet is a form of precipitation in which small ice pellets are the primary components. These ice pellets are smaller and more translucent than hailstones, and harder than graupel. Sleet is caused by specific atmospheric conditions and therefore typically doesn't last for extended periods of time.

The condition which leads to sleet formation requires a warmer body of air to be wedged in between two sub-freezing bodies of air. When snow falls through a warmer layer of air it melts, and as it falls through the next sub-freezing body of air it freezes again, forming ice pellets known as sleet. In some cases, water droplets don't have time to freeze before reaching the surface and the result is freezing rain.

Next Topic: Snow