Forecast Details for Arapahoe, WY

Recent Locations: Great Bend, NY Munnsville, NY Arapahoe, WY

This Afternoon: A 10 percent chance of showers and thunderstorms. Areas of smoke after 5pm. Mostly cloudy, with a high near 83. North northeast wind around 7 mph.

Tonight: Areas of smoke before 9pm. Mostly cloudy, with a low around 56. North wind 5 to 8 mph.

Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 82. Calm wind becoming northeast 5 to 7 mph in the afternoon. Chance of precipitation is 30%.

Tuesday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and 3am, then a chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 59. North northeast wind 6 to 9 mph becoming west after midnight. Chance of precipitation is 40%.

Wednesday: Showers and possibly a thunderstorm. High near 74. West wind 6 to 8 mph becoming northeast in the morning. Chance of precipitation is 80%.

Wednesday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 54. North wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 60%.

Thursday: A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly sunny, with a high near 80. Calm wind becoming northwest 5 to 7 mph in the afternoon. Chance of precipitation is 60%.

Thursday Night: A 40 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 51.

Friday: A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 79.

Friday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 52. Chance of precipitation is 40%.

Saturday: A chance of showers and thunderstorms. Mostly sunny, with a high near 76.

Saturday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 49.

Sunday: A slight chance of showers and thunderstorms. Sunny, with a high near 80.

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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 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