Forecast Details for Whitewood, SD

Recent Locations: Allenton, WI Purvis, MS Whitewood, SD

Today: A chance of rain, snow, and freezing rain before 10am, then rain. High near 43. Breezy, with an east wind 16 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. Little or no ice accumulation expected. Little or no snow accumulation expected.

Tonight: Rain and snow before 5am, then a chance of rain. Low around 32. East wind 8 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

Thursday: Rain likely, mainly after noon. Partly sunny, with a high near 52. Breezy, with an east wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 70%.

Thursday Night: Rain before 2am, then rain and snow between 2am and 4am, then snow after 4am. Low around 29. East wind 13 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

Friday: Snow. Steady temperature around 32. Breezy, with a northeast wind 13 to 20 mph becoming northwest in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

Friday Night: Snow. Steady temperature around 30. Blustery, with a northwest wind 18 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

Saturday: A 30 percent chance of snow before noon. Mostly cloudy, then gradually becoming sunny, with a high near 45. Breezy, with a northwest wind 16 to 21 mph, with gusts as high as 32 mph.

Saturday Night: Mostly clear, with a low around 31. Northwest wind 8 to 16 mph becoming southwest after midnight. Winds could gust as high as 25 mph.

Sunday: Mostly sunny, with a high near 59.

Sunday Night: A slight chance of rain after midnight. Partly cloudy, with a low around 34.

Monday: A chance of rain and snow. Partly sunny, with a high near 50.

Monday Night: A slight chance of rain and snow. Mostly cloudy, with a low around 32.

Tuesday: Mostly sunny, with a high near 63.

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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