Forecast Details for Tiller, OR

Recent Locations: Tiller, OR  
Today: Rain, mainly before 11am. Snow level 3500 feet. High near 50. West northwest wind around 8 mph. Chance of precipitation is 80%.
Tonight: A 30 percent chance of snow after 5am. Snow level 3800 feet lowering to 2300 feet after midnight . Mostly cloudy, with a low around 37. West northwest wind 5 to 8 mph becoming calm in the evening. Little or no snow accumulation expected.
Tuesday: A chance of rain and snow before 8am, then a chance of rain. Snow level 2100 feet rising to 3800 feet in the afternoon. Partly sunny, with a high near 50. Light and variable wind becoming west 5 to 10 mph in the morning. Chance of precipitation is 30%. Little or no snow accumulation expected.
Tuesday Night: Partly cloudy, with a low around 39. Northwest wind 5 to 9 mph becoming light and variable after midnight.
Wednesday: Sunny, with a high near 58. Light and variable wind becoming northwest 5 to 8 mph in the afternoon.
Wednesday Night: Mostly clear, with a low around 43.
Thursday: A 30 percent chance of rain, mainly before 11am. Snow level 4600 feet rising to 6300 feet in the afternoon. Mostly sunny, with a high near 61.
Thursday Night: Mostly clear, with a low around 45.
Friday: Mostly sunny, with a high near 67.
Friday Night: A chance of rain. Mostly cloudy, with a low around 48.
Saturday: Rain likely. Mostly cloudy, with a high near 57.
Saturday Night: A chance of rain. Snow level 5700 feet lowering to 4800 feet after midnight . Mostly cloudy, with a low around 45.
Sunday: A chance of rain. Snow level 4700 feet rising to 5700 feet in the afternoon. Partly sunny, with a high near 57.

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Current U.S. National Radar--Current

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Current U.S. National Radar

National Weather Forecast--Current

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Today's National Weather Map

National Weather Forecast for Tomorrow

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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 are Cumulus Clouds?

Home - Education - Cloud Types - Cumulus Clouds

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

Weather Topic: What is Evaporation?

Home - Education - Precipitation - Evaporation

Evaporation Next Topic: Fog

Evaporation is the process which returns water from the earth back to the atmosphere, and is another crucial process in the water cycle.

Evaporation is the transformation of liquid into gas, and it happens because molecules are excited by the application of energy and turn into vapor. In order for water to evaporate it has to be on the surface of a body of water.

Next Topic: Fog