Forecast Details for Yoncalla, OR

Recent Locations: Yoncalla, OR

Today: Rain, mainly after 2pm. High near 64. South southwest wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

Tonight: Rain. Low around 39. South wind 5 to 10 mph becoming west northwest after midnight. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

Saturday: Showers. Snow level 2200 feet rising to 3200 feet in the afternoon. High near 52. South southeast wind 6 to 9 mph becoming northwest in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

Saturday Night: Showers likely, mainly before 11pm. Snow level 3100 feet. Mostly cloudy, with a low around 39. West wind 6 to 10 mph. Chance of precipitation is 60%.

Sunday: Showers likely. Snow level 3000 feet rising to 4000 feet in the afternoon. Mostly cloudy, with a high near 55. South southwest wind 6 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Sunday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 43.

Monday: Showers, with thunderstorms also possible after 11am. High near 52. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Monday Night: Showers likely, mainly before 11pm. Snow level 4000 feet lowering to 3200 feet after midnight . Mostly cloudy, with a low around 40.

Tuesday: A chance of showers. Snow level 3200 feet rising to 3800 feet in the afternoon. Partly sunny, with a high near 57.

Tuesday Night: A slight chance of showers before 11pm. Snow level 4000 feet lowering to 3200 feet after midnight . Partly cloudy, with a low around 37.

Wednesday: Mostly sunny, with a high near 62.

Wednesday Night: Mostly clear, with a low around 38.

Thursday: Sunny, with a high near 70.

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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 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

Weather Topic: What are Cumulus Clouds?

Home - Education - Cloud Types - Cumulus Clouds

Next Topic: Drizzle

Cumulus clouds are fluffy and textured with rounded tops, and may have flat bottoms. The border of a cumulus cloud is clearly defined, and can have the appearance of cotton or cauliflower.

Cumulus clouds form at low altitudes (rarely above 2 km) but can grow very tall, becoming cumulus congestus and possibly the even taller cumulonimbus clouds. When cumulus clouds become taller, they have a greater chance of producing precipitation.

Next Topic: Drizzle