Forecast Details for Cheyenne, WY

Recent Locations: Cheyenne, WY

Current Alerts for Cheyenne, WY: Dense Fog Advisory

Overnight: A chance of rain and snow, mainly before 3am. Mostly cloudy, with a low around 33. North wind 5 to 10 mph. Chance of precipitation is 30%.

Sunday: A chance of rain between noon and 3pm, then a slight chance of rain and thunderstorms after 3pm. Partly sunny, with a high near 56. North northwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

Sunday Night: A slight chance of rain and thunderstorms before 9pm, then a slight chance of rain between 9pm and midnight. Partly cloudy, with a low around 35. West wind 10 to 15 mph. Chance of precipitation is 20%.

Monday: Sunny, with a high near 67. West wind around 15 mph, with gusts as high as 25 mph.

Monday Night: A chance of sprinkles after midnight. Partly cloudy, with a low around 39. West northwest wind 10 to 15 mph.

Tuesday: A chance of sprinkles. Partly sunny, then gradually becoming sunny, with a high near 65. Windy.

Tuesday Night: A 30 percent chance of showers, mainly after midnight. Partly cloudy, with a low around 38. Breezy.

Wednesday: Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 60.

Wednesday Night: Rain showers likely before midnight, then a chance of snow. Some thunder is also possible. Mostly cloudy, with a low around 33.

Thursday: A chance of snow. Partly sunny, with a high near 44. Breezy.

Thursday Night: A chance of rain and snow. Mostly cloudy, with a low around 29.

Friday: A slight chance of rain and snow showers. Mostly sunny, with a high near 55. Breezy.

Friday Night: Partly cloudy, with a low around 33. Breezy.

Saturday: A slight chance of showers and thunderstorms. Sunny, with a high near 58.

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Current U.S. National Radar--Current

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National Weather Forecast--Current

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National Weather Forecast for Tomorrow

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North America Water Vapor (Moisture)

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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

Weather Topic: What are Stratocumulus Clouds?

Home - Education - Cloud Types - Stratocumulus Clouds

Next Topic: Stratus Clouds

Stratocumulus clouds are similar to altocumulus clouds in their fluffy appearance, but have a slightly darker shade due to their additional mass.

A good way to distinguish the two cloud types is to hold your hand out and measure the size of an individual cloud; if it is the size of your thumb it is generally an altocumulus cloud, if it is the size of your hand it is generally a stratocumulus cloud.

It is uncommon for stratocumulus clouds to produce precipitation, but if they do it is usually a light rain or snow.

Next Topic: Stratus Clouds