Forecast Details for Union, OR

Recent Locations: Rehoboth, MA Union, OR Webster, SD

Overnight: Mostly cloudy, with a low around 39. South wind around 6 mph.

Sunday: A 20 percent chance of rain after 10am. Cloudy, with a high near 57. South wind 6 to 9 mph.

Sunday Night: A 50 percent chance of rain. Cloudy, with a low around 41. South wind around 6 mph becoming light and variable in the evening. New precipitation amounts of less than a tenth of an inch possible.

Monday: A 30 percent chance of rain before 10am. Cloudy through mid morning, then gradual clearing, with a high near 58. Northwest wind 5 to 14 mph, with gusts as high as 18 mph.

Monday Night: Mostly clear, with a low around 37. Northwest wind 6 to 9 mph becoming east after midnight.

Tuesday: Mostly cloudy, with a high near 59.

Tuesday Night: A 50 percent chance of rain, mainly after 10pm. Cloudy, with a low around 43.

Wednesday: Rain. High near 51. Chance of precipitation is 100%.

Wednesday Night: Rain likely, mainly before 10pm. Snow level 4300 feet lowering to 3700 feet after midnight . Mostly cloudy, with a low around 37. Chance of precipitation is 70%.

Thursday: Rain likely, possibly mixed with snow, becoming all rain after 1pm. Snow level 3400 feet. Mostly cloudy, with a high near 48.

Thursday Night: A chance of rain and snow. Snow level 3700 feet. Mostly cloudy, with a low around 37.

Friday: A chance of rain and snow. Snow level 3500 feet rising to 4300 feet in the afternoon. Mostly cloudy, with a high near 51.

Friday Night: A chance of rain and snow. Mostly cloudy, with a low around 36.

Saturday: A chance of rain and snow. Mostly cloudy, with a high near 51.

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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 Hole Punch Clouds?

Home - Education - Cloud Types - Hole Punch Clouds

Hole Punch Clouds Next Topic: Mammatus Clouds

A hole punch cloud is an unusual occurrence when a disk-shaped hole appears in a cirrostratus, cirrocumulus, or altocumulus cloud.

When part of the cloud forms ice crystals, water droplets in the surrounding area of the cloud evaporate. The effect of this process produces a large elliptical gap in the cloud. The hole punch cloud formation is rare, but it is not specific to any geographic area.

Other names which have been used to describe this phenomena include fallstreak hole, skypunch, and cloud hole.

Next Topic: Mammatus Clouds

Weather Topic: What are Nimbostratus Clouds?

Home - Education - Cloud Types - Nimbostratus Clouds

Nimbostratus Clouds Next Topic: Precipitation

A nimbostratus cloud is similar to a stratus cloud in its formless, smooth appearance. However, a nimbostratus cloud is darker than a stratus cloud, because it is thicker.

Unlike a stratus cloud, a nimbostratus cloud typically brings with it the threat of moderate to heavy precipitation. In some cases, the precipitation may evaporate before reaching the ground, a phenomenon known as virga.

Next Topic: Precipitation