Forecast Details for Anchorage, AK

Recent Locations: Anchorage, AK  
Overnight: Mostly cloudy, with a low around 26. Calm wind.
Friday: Snow likely, mainly after 1pm. Cloudy, with a high near 40. Southeast wind 5 to 10 mph becoming southeast 10 to 15 mph in the afternoon. Chance of precipitation is 60%. Little or no snow accumulation expected.
Friday Night: A chance of rain and snow, mainly before 1am. Mostly cloudy, with a low around 31. East wind 5 to 15 mph becoming north after midnight. Chance of precipitation is 40%.
Saturday: Rain and snow likely after 7am, becoming all rain after 4pm. Cloudy, with a high near 40. North wind around 5 mph. Chance of precipitation is 70%.
Saturday Night: A chance of rain before 10pm, then a chance of rain and snow. Cloudy, with a low around 29. East wind 5 to 15 mph becoming south in the evening. Winds could gust as high as 25 mph. Chance of precipitation is 50%.
Sunday: Snow, mainly before 4pm. High near 39. South wind 15 to 20 mph, with gusts as high as 40 mph. Chance of precipitation is 90%.
Sunday Night: Rain and snow likely after 10pm, becoming all snow after 4am. Cloudy, with a low around 26. Chance of precipitation is 70%.
Monday: A chance of snow before 10am, then a chance of rain and snow. Cloudy, with a high near 36.
Monday Night: A chance of rain and snow before 10pm, then a chance of snow. Cloudy, with a low around 13.
Tuesday: Snow likely. Mostly cloudy, with a high near 27.
Tuesday Night: A chance of snow. Mostly cloudy, with a low around 20.
Wednesday: Partly sunny, with a high near 37.
Wednesday Night: A chance of snow. Mostly cloudy, with a low around 22.
Thursday: A chance of snow. Mostly cloudy, with a high near 39.

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Current U.S. National Radar--Current

The Current National Weather Radar is shown below with a UTC Time (subtract 5 hours from UTC to get Eastern Time).

Current U.S. National Radar

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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 Shelf Clouds?

Home - Education - Cloud Types - Shelf Clouds

Shelf Clouds Next Topic: Sleet

A shelf cloud is similar to a wall cloud, but forms at the front of a storm cloud, instead of at the rear, where wall clouds form.

A shelf cloud is caused by a series of events set into motion by the advancing storm; first, cool air settles along the ground where precipitation has just fallen. As the cool air is brought in, the warmer air is displaced, and rises above it, because it is less dense. When the warmer air reaches the bottom of the storm cloud, it begins to cool again, and the resulting condensation is a visible shelf cloud.

Next Topic: Sleet

Weather Topic: What is Snow?

Home - Education - Precipitation - Snow

Snow Next Topic: Stratocumulus Clouds

Snow is precipitation taking the form of ice crystals. Each ice crystal, or snowflake, has unique characteristics, but all of them grow in a hexagonal structure. Snowfall can last for sustained periods of time and result in significant buildup of snow on the ground.

On the earth's surface, snow starts out light and powdery, but as it begins to melt it tends to become more granular, producing small bits of ice which have the consistency of sand. After several cycles of melting and freezing, snow can become very dense and ice-like, commonly known as snow pack.

Next Topic: Stratocumulus Clouds