Forecast Details for Witten, SD

Recent Locations: Witten, SD

Today: Mostly cloudy, with a high near 43. Wind chill values as low as 17. Breezy, with a northwest wind 23 to 28 mph, with gusts as high as 41 mph.

Tonight: Partly cloudy, with a low around 29. Northwest wind 10 to 17 mph becoming west after midnight. Winds could gust as high as 25 mph.

Sunday: Sunny, with a high near 57. Wind chill values as low as 20 early. West wind 11 to 18 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph.

Sunday Night: A slight chance of rain before 2am, then a slight chance of rain and snow between 2am and 4am, then a slight chance of snow after 4am. Increasing clouds, with a low around 29. Northeast wind 6 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

Monday: A 20 percent chance of snow before 1pm. Mostly cloudy, with a high near 42. Northeast wind 9 to 15 mph, with gusts as high as 23 mph.

Monday Night: Mostly cloudy, with a low around 25. Southeast wind 14 to 16 mph, with gusts as high as 24 mph.

Tuesday: Partly sunny, with a high near 56. Breezy, with a south wind 18 to 26 mph, with gusts as high as 37 mph.

Tuesday Night: Partly cloudy, with a low around 40. Breezy, with a south wind around 22 mph, with gusts as high as 33 mph.

Wednesday: Mostly sunny, with a high near 65. Breezy.

Wednesday Night: A chance of rain before 4am, then a chance of rain and snow. Mostly cloudy, with a low around 30. Blustery.

Thursday: A chance of rain and snow. Mostly cloudy, with a high near 47. Breezy.

Thursday Night: Rain and snow likely. Mostly cloudy, with a low around 29.

Friday: A chance of rain and snow. Mostly cloudy, with a high near 48.

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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)

This map shows recent moisture content over North America. Bright and colored areas show high moisture (ie, clouds); brown indicates very little moisture present; black indicates no moisture.

Weather Topic: What are Nimbostratus Clouds?

Home - Education - Cloud Types - Nimbostratus Clouds

Nimbostratus Clouds Next Topic: Precipitation

A nimbostratus cloud is similar to a stratus cloud in its formless, smooth appearance. However, a nimbostratus cloud is darker than a stratus cloud, because it is thicker.

Unlike a stratus cloud, a nimbostratus cloud typically brings with it the threat of moderate to heavy precipitation. In some cases, the precipitation may evaporate before reaching the ground, a phenomenon known as virga.

Next Topic: Precipitation

Weather Topic: What is Rain?

Home - Education - Precipitation - Rain

Rain Next Topic: Shelf Clouds

Precipitation in the form of water droplets is called rain. Rain generally has a tendency to fall with less intensity over a greater period of time, and when rainfall is more severe it is usually less sustained.

Rain is the most common form of precipitation and happens with greater frequency depending on the season and regional influences. Cities have been shown to have an observable effect on rainfall, due to an effect called the urban heat island. Compared to upwind, monthly rainfall between twenty and forty miles downwind of cities is 30% greater.

Next Topic: Shelf Clouds