Forecast Details for Sauk City, WI

Recent Locations: Hayes, VA Pep, NM Sauk City, WI

Today: Mostly sunny, with a high near 42. Light and variable wind becoming southwest 5 to 10 mph in the morning.

Tonight: Mostly clear, with a low around 28. Southwest wind around 5 mph.

Friday: Mostly sunny, with a high near 54. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

Friday Night: Increasing clouds, with a low around 23. Northwest wind 5 to 15 mph.

Saturday: Snow likely. Cloudy, with a high near 28. North wind 5 to 10 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

Saturday Night: Mostly cloudy during the early evening, then gradual clearing, with a low around 10. North wind around 5 mph.

Sunday: Increasing clouds, with a high near 27. Northeast wind around 5 mph.

Sunday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 14. Northeast wind around 5 mph becoming calm.

Monday: Mostly cloudy through mid morning, then becoming sunny, with a high near 36.

Monday Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 22.

Tuesday: A 20 percent chance of snow. Partly sunny, with a high near 42.

Tuesday Night: Partly cloudy, with a low around 25.

Wednesday: A 20 percent chance of rain. Partly sunny, with a high near 46.

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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