Forecast Details for Sisters, OR

Recent Locations: Pala, CA Lansing, IA Sisters, OR

Overnight: A 30 percent chance of rain. Cloudy, with a low around 28. Calm wind.

Saturday: Rain likely before 10am, then rain, possibly mixed with snow. Snow level 4300 feet. High near 39. Calm wind. Chance of precipitation is 80%. Little or no snow accumulation expected.

Saturday Night: Rain likely before 1am, then a slight chance of rain and snow after 4am. Snow level 4400 feet lowering to 3700 feet after midnight . Cloudy, with a low around 28. Calm wind. Chance of precipitation is 60%. Little or no snow accumulation expected.

Sunday: A slight chance of rain and snow before 7am, then a chance of rain. Snow level 3800 feet rising to 4900 feet in the afternoon. Mostly cloudy, with a high near 45. Calm wind. Chance of precipitation is 40%.

Sunday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 28. Calm wind. New precipitation amounts of less than a tenth of an inch possible.

Washington's Birthday: Rain and snow, becoming all snow after 1pm. Snow level 3300 feet. High near 39. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

Monday Night: Snow likely, mainly before 10pm. Mostly cloudy, with a low around 19. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

Tuesday: Snow likely. Mostly cloudy, with a high near 35. Chance of precipitation is 70%.

Tuesday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 17.

Wednesday: Snow likely, mainly after 10am. Partly sunny, with a high near 34.

Wednesday Night: A chance of snow. Mostly cloudy, with a low around 19.

Thursday: Snow likely. Mostly cloudy, with a high near 35.

Thursday Night: Snow likely. Mostly cloudy, with a low around 21.

Friday: Snow likely. Mostly cloudy, with a high near 36.

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Current U.S. National Radar--Current

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North America Water Vapor (Moisture)

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Weather Topic: What are Stratocumulus Clouds?

Home - Education - Cloud Types - Stratocumulus Clouds

Next Topic: Stratus Clouds

Stratocumulus clouds are similar to altocumulus clouds in their fluffy appearance, but have a slightly darker shade due to their additional mass.

A good way to distinguish the two cloud types is to hold your hand out and measure the size of an individual cloud; if it is the size of your thumb it is generally an altocumulus cloud, if it is the size of your hand it is generally a stratocumulus cloud.

It is uncommon for stratocumulus clouds to produce precipitation, but if they do it is usually a light rain or snow.

Next Topic: Stratus Clouds

Weather Topic: What are Wall Clouds?

Home - Education - Cloud Types - Wall Clouds

Wall Clouds Next Topic: Altocumulus Clouds

A wall cloud forms underneath the base of a cumulonimbus cloud, and can be a hotbed for deadly tornadoes.

Wall clouds are formed by air flowing into the cumulonimbus clouds, which can result in the wall cloud descending from the base of the cumulonimbus cloud, or rising fractus clouds which join to the base of the storm cloud as the wall cloud takes shape.

Wall clouds can be very large, and in the Northern Hemisphere they generally form at the southern edge of cumulonimbus clouds.

Next Topic: Altocumulus Clouds