Forecast Details for Sumpter, OR

Recent Locations: Pioneer, CA Matthews, NC Sumpter, OR

Overnight: Patchy smoke. Mostly cloudy, with a low around 55. North northwest wind around 5 mph becoming calm.

Saturday: Scattered showers, with thunderstorms also possible after 11am. Patchy smoke before 3pm. Mostly cloudy, with a high near 80. Calm wind. Chance of precipitation is 50%.

Saturday Night: Scattered showers and thunderstorms. Patchy smoke before 8pm, then patchy smoke after 9pm. Mostly cloudy, with a low around 50. Calm wind. Chance of precipitation is 40%.

Sunday: Scattered showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 78. Light and variable wind. Chance of precipitation is 40%.

Sunday Night: Isolated showers before 11pm. Partly cloudy, with a low around 48. Calm wind. Chance of precipitation is 20%.

Monday: A chance of showers between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 74. Chance of precipitation is 40%.

Monday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 44.

Tuesday: A chance of showers, then showers likely and possibly a thunderstorm after 11am. Partly sunny, with a high near 65. Chance of precipitation is 60%.

Tuesday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 44.

Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 64. Chance of precipitation is 60%.

Wednesday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 44.

Thursday: A 50 percent chance of showers. Partly sunny, with a high near 66.

Thursday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 45.

Friday: A 40 percent chance of showers. Partly sunny, with a high near 69.

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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)

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 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

Weather Topic: What is Evaporation?

Home - Education - Precipitation - 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