Forecast Details for Story, WY

Recent Locations: Story, WY  
Tonight: A 30 percent chance of snow showers after midnight. Mostly cloudy, with a low around 23. Light and variable wind becoming west 5 to 8 mph in the evening. Little or no snow accumulation expected.
Friday: Sunny, with a high near 47. West wind 6 to 8 mph becoming south southeast in the afternoon.
Friday Night: Partly cloudy, with a low around 25. Southwest wind 6 to 9 mph.
Saturday: Partly sunny, with a high near 54. Southwest wind 5 to 7 mph becoming southeast in the afternoon.
Saturday Night: Mostly cloudy, with a low around 29. Southwest wind 6 to 8 mph.
Sunday: A chance of rain and snow showers before noon, then rain showers likely between noon and 3pm, then rain and snow showers likely after 3pm. Mostly cloudy, with a high near 45. West northwest wind 6 to 11 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Sunday Night: Rain and snow showers likely, becoming all snow after 9pm. Mostly cloudy, with a low around 22. Northwest wind 9 to 11 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Monday: A 40 percent chance of snow showers before noon. Mostly sunny, with a high near 43. West northwest wind 8 to 10 mph.
Monday Night: A 40 percent chance of snow showers after midnight. Partly cloudy, with a low around 22. West southwest wind 6 to 11 mph.
Tuesday: Snow showers likely, mainly before noon. Mostly cloudy, with a high near 43. West wind 10 to 14 mph. Chance of precipitation is 60%.
Tuesday Night: A 50 percent chance of snow showers. Mostly cloudy, with a low around 20. West northwest wind around 11 mph.
Wednesday: A 40 percent chance of snow showers. Mostly sunny, with a high near 43. West wind around 10 mph becoming north in the afternoon.
Wednesday Night: Mostly clear, with a low around 24. West southwest wind 8 to 10 mph.
Thursday: Sunny, with a high near 55. West southwest wind 6 to 9 mph becoming south 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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North America Water Vapor (Moisture)

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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