Forecast Details for Anchorage, AK

Recent Locations: Anchorage, AK  
Today: Mostly cloudy, with a high near 32. North wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight: A chance of freezing rain before 9pm, then a chance of rain between 9pm and midnight, then a chance of freezing rain after midnight. Mostly cloudy, with a low around 30. North wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Sunday: A chance of freezing rain before 9am. Mostly cloudy, with a high near 34. North wind around 10 mph. Chance of precipitation is 30%.
Sunday Night: Mostly cloudy, with a low around 28. North wind 5 to 10 mph.
Monday: Cloudy, with a high near 35. Northeast wind around 5 mph becoming calm in the morning.
Monday Night: A chance of freezing rain after 3am. Mostly cloudy, with a low around 28. Northeast wind around 5 mph. Chance of precipitation is 40%.
Tuesday: A chance of freezing rain before 9am, then a chance of snow between 9am and 3pm. Cloudy, with a high near 32. Chance of precipitation is 40%.
Tuesday Night: A chance of snow after 3am. Mostly cloudy, with a low around 25.
Christmas Day: A chance of snow. Mostly cloudy, with a high near 31.
Wednesday Night: A chance of snow. Mostly cloudy, with a low around 22.
Thursday: A chance of snow. Mostly cloudy, with a high near 30.
Thursday Night: Snow likely. Cloudy, with a low around 19.
Friday: Snow likely. Cloudy, with a high near 26.

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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

National Weather Forecast--Current

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Today's National Weather Map

National Weather Forecast for Tomorrow

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

Tomorrows National Weather Map

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 is Rain?

Home - Education - Precipitation - Rain

Rain Next Topic: Shelf Clouds

Precipitation in the form of water droplets is called rain. Rain generally has a tendency to fall with less intensity over a greater period of time, and when rainfall is more severe it is usually less sustained.

Rain is the most common form of precipitation and happens with greater frequency depending on the season and regional influences. Cities have been shown to have an observable effect on rainfall, due to an effect called the urban heat island. Compared to upwind, monthly rainfall between twenty and forty miles downwind of cities is 30% greater.

Next Topic: Shelf Clouds

Weather Topic: What is Sleet?

Home - Education - Precipitation - Sleet

Sleet Next Topic: Snow

Sleet is a form of precipitation in which small ice pellets are the primary components. These ice pellets are smaller and more translucent than hailstones, and harder than graupel. Sleet is caused by specific atmospheric conditions and therefore typically doesn't last for extended periods of time.

The condition which leads to sleet formation requires a warmer body of air to be wedged in between two sub-freezing bodies of air. When snow falls through a warmer layer of air it melts, and as it falls through the next sub-freezing body of air it freezes again, forming ice pellets known as sleet. In some cases, water droplets don't have time to freeze before reaching the surface and the result is freezing rain.

Next Topic: Snow