5-Day Forecast for Las Vegas, NV

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5-Day Forecast

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Change Units:    °F and mph  -   °C and km/h  -   °C and mph (U.K.)

North America Current Weather Conditions - Infrared

This infrared image shows clouds and precipation across North America by displaying the relative warmth of objects. Colder objects are brighter and warmer objects are darker. Lower layers of clouds are generally warmer and are gray. Colder and higher clouds tops are highlighted in colors.

Infrared Weather Radar 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

National Weather Conditions--Current

National Weather Map--Today

Todays National Weather Map

National Weather Forecast--Tomorrow

National Weather Map--Tomorrow

Tomorrows National Weather Map

National Weather Alerts and Warnings

National Weather Alerts and Warnings. Note that Coordinated Universal Time (UTC) is a 24-hour time standard, is determined using atomic clocks, and expresses the mean solar time at the Earth's prime meridian (zero degrees longitude) located near Greenwich, England. Time zones around the world are expressed as positive or negative offsets from UTC (Eastern Time is -4 hours and Pacific Time is -7 hours). UTC is also often casually interchanged with Greenwich Mean Time (GMT).

National Weather Alerts Map







Weather Topic: What is Precipitation?

Home - Education - Precipitation - Precipitation

precipitation Next Topic: Rain

Precipitation can refer to many different forms of water that may fall from clouds. Precipitation occurs after a cloud has become saturated to the point where its water particles are more dense than the air below the cloud.

In most cases, precipitation will reach the ground, but it is not uncommon for precipitation to evaporate before it reaches the earth's surface. When precipitation evaporates before it contacts the ground it is called Virga. Graupel, hail, sleet, rain, drizzle, and snow are forms of precipitation, but fog and mist are not considered precipitation because the water vapor which constitutes them isn't dense enough to fall to the ground.

Next Topic: Rain

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

This page shows the 5-day weather forecast for the following ZIP codes:
89101, 89102, 89103, 89104, 89105, 89106, 89107, 89108, 89109, 89110, 89111, 89112, 89113, 89114, 89115, 89116, 89117, 89118, 89119, 89120, 89121, 89122, 89123, 89124, 89125, 89126, 89127, 89128, 89129, 89130, 89131, 89132, 89133, 89134, 89135, 89136, 89137, 89138, 89139, 89140, 89141, 89142, 89143, 89144, 89145, 89146, 89147, 89148, 89149, 89150, 89151, 89152, 89153, 89154, 89155, 89156, 89157, 89159, 89160, 89161, 89162, 89164, 89165, 89166, 89169, 89170, 89173, 89177, 89178, 89179, 89180, 89183, 89193, 89195, 89199