Forecast Details for Pocatello, ID

Recent Locations: Chester, NJ Castleton, VA Pocatello, ID

Tonight: Partly cloudy, with a low around 45. West wind 6 to 13 mph becoming south after midnight. Winds could gust as high as 21 mph.

Sunday: Mostly sunny, with a high near 70. South southeast wind 6 to 13 mph becoming west in the afternoon. Winds could gust as high as 24 mph.

Sunday Night: Mostly cloudy, with a low around 47. West wind 6 to 11 mph becoming south southeast after midnight. Winds could gust as high as 22 mph.

Monday: Mostly cloudy, with a high near 63. South southwest wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 33 mph.

Monday Night: A slight chance of rain before 9pm, then a slight chance of rain and snow between 9pm and 3am, then a slight chance of snow after 3am. Mostly cloudy, with a low around 34. West southwest wind 16 to 21 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 20%.

Tuesday: A slight chance of snow before noon, then a chance of rain and snow between noon and 3pm, then a chance of rain after 3pm. Mostly sunny, with a high near 58. Chance of precipitation is 30%. Little or no snow accumulation expected.

Tuesday Night: A 30 percent chance of rain. Mostly cloudy, with a low around 38.

Wednesday: Rain likely, mainly after noon. Partly sunny, with a high near 57. Chance of precipitation is 60%.

Wednesday Night: Rain likely, mainly after midnight. Mostly cloudy, with a low around 40. Chance of precipitation is 60%.

Thursday: Rain likely. Mostly cloudy, with a high near 49. Breezy. Chance of precipitation is 70%.

Thursday Night: A 30 percent chance of snow. Partly cloudy, with a low around 30. Breezy.

Friday: A 30 percent chance of snow. Partly sunny, with a high near 48.

Friday Night: Partly cloudy, with a low around 30.

Saturday: Sunny, with a high near 56.

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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