Forecast Details for Sisters, OR

Recent Locations: Merced, CA Strong, AR Sisters, OR

Overnight: A 20 percent chance of rain. Areas of fog. Otherwise, cloudy, with a steady temperature around 31. Calm wind.

Sunday: A 30 percent chance of rain, mainly between 1pm and 4pm. Areas of fog before 10am. Snow level 4000 feet rising to 5300 feet in the afternoon. Otherwise, mostly cloudy, with a high near 45. Calm wind.

Sunday Night: Rain likely before 4am, then rain, possibly mixed with snow. Low around 28. Calm wind. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

Washington's Birthday: Snow, possibly mixed with rain, becoming all snow after 10am. High near 37. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

Monday Night: Snow likely, mainly after 4am. Mostly cloudy, with a low around 19. Calm wind. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Tuesday: Snow. High near 35. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

Tuesday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 17. New snow accumulation of less than a half inch possible.

Wednesday: Snow likely, mainly after 10am. Partly sunny, with a high near 33. Chance of precipitation is 70%.

Wednesday Night: Snow likely. Mostly cloudy, with a low around 18. Chance of precipitation is 70%.

Thursday: Snow likely. Mostly cloudy, with a high near 32.

Thursday Night: A chance of snow. Mostly cloudy, with a low around 17.

Friday: Snow likely. Mostly sunny, with a high near 37.

Friday Night: A chance of snow. Mostly cloudy, with a low around 20.

Saturday: A chance of snow. Mostly cloudy, with a high near 41.

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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

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

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 Cirrocumulus Clouds?

Home - Education - Cloud Types - Cirrocumulus Clouds

Next Topic: Cirrostratus Clouds

Cirrocumulus clouds form at high altitudes (usually around 5 km) and have distinguishing characteristics displayed in a fine layer of small cloud patches. These small cloud patches are sometimes referred to as "cloudlets" in relation to the whole cloud formation.

Cirrocumulus clouds are formed from ice crystals and water droplets. Often, the water droplets in the cloud freeze into ice crystals and the cloud becomes a cirrostratus cloud. Because of this common occurrence, cirrocumulus cloud formations generally pass rapidly.

Next Topic: Cirrostratus Clouds

Weather Topic: What are Cirrus Clouds?

Home - Education - Cloud Types - Cirrus Clouds

Next Topic: Condensation

Cirrus clouds are high-level clouds that occur above 20,000 feet and are composed mainly of ice crystals. They are thin and wispy in appearance.

What do they indicate?
They are often the first sign of an approaching storm.

Next Topic: Condensation