Forecast Details for Story, WY

Recent Locations: Story, WY  
Today: A 50 percent chance of snow, mainly after noon. Increasing clouds, with a high near 42. West northwest wind around 7 mph becoming north northeast in the afternoon. Little or no snow accumulation expected.
Tonight: A slight chance of snow before midnight, then a slight chance of snow after 3am. Cloudy, then gradually becoming partly cloudy, with a low around 25. North northwest wind 5 to 10 mph becoming south southeast in the evening. Chance of precipitation is 20%.
Saturday: Snow likely, mainly after noon. Mostly cloudy, with a high near 40. South wind 5 to 10 mph becoming north in the morning. Chance of precipitation is 70%. Little or no snow accumulation expected.
Saturday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 24. North northwest wind 5 to 11 mph. New snow accumulation of less than one inch possible.
Sunday: Snow. High near 36. Northeast wind 5 to 11 mph. Chance of precipitation is 90%. New snow accumulation of around 3 inches.
Sunday Night: Snow likely, mainly before midnight. Cloudy, with a low around 22. North wind 9 to 11 mph. Chance of precipitation is 70%. New snow accumulation of around 2 inches.
Monday: Partly sunny, with a high near 41. Northwest wind 8 to 10 mph.
Monday Night: Mostly clear, with a low around 27. West wind around 10 mph.
Tuesday: Sunny, with a high near 52. North northwest wind 9 to 14 mph.
Tuesday Night: Mostly clear, with a low around 35. Northwest wind around 11 mph becoming west southwest in the evening.
Wednesday: A 20 percent chance of rain. Mostly sunny, with a high near 62. West southwest wind 11 to 14 mph becoming north northwest in the afternoon.
Wednesday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 34. West southwest wind around 11 mph.
Thursday: A 50 percent chance of rain. Partly sunny, with a high near 56. West southwest wind 11 to 13 mph becoming north northeast in the afternoon.

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Current U.S. National Radar--Current

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Current U.S. National Radar

National Weather Forecast--Current

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Today's National Weather Map

National Weather Forecast for Tomorrow

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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 are Mammatus Clouds?

Home - Education - Cloud Types - Mammatus Clouds

Mammatus Clouds Next Topic: Nimbostratus Clouds

A mammatus cloud is a cloud with a unique feature which resembles a web of pouches hanging along the base of the cloud.

In the United States, mammatus clouds tend to form in the warmer months, commonly in the Midwest and eastern regions.

While they usually form at the bottom of a cumulonimbis cloud, they can also form under altostratus, altocumulus, stratocumulus, and cirrus clouds. Mammatus clouds warn that severe weather is close.

Next Topic: Nimbostratus Clouds

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