Forecast Details for Vivian, SD

Recent Locations: Elk Point, SD Justin, TX Vivian, SD

Today: A chance of snow before 3pm, then rain likely. Mostly cloudy, with a high near 42. Breezy, with an east southeast wind 18 to 24 mph, with gusts as high as 33 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.

Tonight: Rain and snow. Low around 31. Breezy, with an east southeast wind 11 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

Thursday: Rain and snow, mainly before 9am. High near 44. Northeast wind around 11 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

Thursday Night: A chance of rain before 1am, then freezing rain between 1am and 4am, then snow and freezing rain after 4am. Low around 27. East wind around 14 mph. Chance of precipitation is 90%. New ice accumulation of around a 0.1 of an inch possible. New snow accumulation of less than a half inch possible.

Friday: Snow before 10am, then snow, possibly mixed with rain between 10am and 4pm, then snow after 4pm. High near 36. Northeast wind 10 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

Friday Night: Snow likely, mainly before 1am. Patchy blowing snow after 3am. Cloudy, with a low around 25. Blustery, with a northwest wind 17 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

Saturday: A slight chance of snow before 1pm. Patchy blowing snow before 1pm. Mostly sunny, with a high near 41. Breezy, with a northwest wind 22 to 26 mph, with gusts as high as 36 mph. Chance of precipitation is 20%.

Saturday Night: Mostly clear, with a low around 23. North northwest wind 9 to 18 mph.

Sunday: Sunny, with a high near 57. South southwest wind 8 to 10 mph.

Sunday Night: Partly cloudy, with a low around 31.

Monday: Partly sunny, with a high near 50.

Monday Night: Mostly cloudy, with a low around 25.

Tuesday: Mostly sunny, with a high near 58. Breezy.

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Current U.S. National Radar--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 Wall Clouds?

Home - Education - Cloud Types - Wall Clouds

Wall Clouds Next Topic: Altocumulus Clouds

A wall cloud forms underneath the base of a cumulonimbus cloud, and can be a hotbed for deadly tornadoes.

Wall clouds are formed by air flowing into the cumulonimbus clouds, which can result in the wall cloud descending from the base of the cumulonimbus cloud, or rising fractus clouds which join to the base of the storm cloud as the wall cloud takes shape.

Wall clouds can be very large, and in the Northern Hemisphere they generally form at the southern edge of cumulonimbus clouds.

Next Topic: Altocumulus Clouds

Weather Topic: What are Altostratus Clouds?

Home - Education - Cloud Types - Altostratus Clouds

Next Topic: Cirrocumulus Clouds

Altostratus clouds form at mid to high-level altitudes (between 2 and 7 km) and are created by a warm, stable air mass which causes water vapor to condense as it rise through the atmosphere. Usually altostratus clouds are featureless sheets characterized by a uniform color.

In some cases, wind punching through the cloud formation may give it a waved appearance, called altostratus undulatus. Altostratus clouds are commonly seen with other cloud formations accompanying them.

Next Topic: Cirrocumulus Clouds