Forecast Details for Westby, WI

Recent Locations: Queensbury, NY Westby, WI

Today: Cloudy, with a high near 58. Breezy, with a west wind 16 to 18 mph, with gusts as high as 29 mph.

Tonight: Mostly cloudy, with a low around 40. Northwest wind 7 to 14 mph, with gusts as high as 23 mph.

Sunday: Mostly sunny, with a high near 65. North wind around 6 mph.

Sunday Night: Partly cloudy, with a low around 40. East wind 6 to 13 mph, with gusts as high as 23 mph.

Monday: A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 58. Breezy, with an east wind 14 to 17 mph, with gusts as high as 28 mph.

Monday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 43. Breezy, with an east wind around 18 mph, with gusts as high as 30 mph. New precipitation amounts of less than a tenth of an inch possible.

Tuesday: Showers likely. Mostly cloudy, with a high near 54. Breezy, with an east wind 18 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 70%.

Tuesday Night: Showers likely. Mostly cloudy, with a low around 39. Breezy, with an east wind 14 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 70%.

Wednesday: A 40 percent chance of showers. Partly sunny, with a high near 63. Northeast wind 13 to 15 mph, with gusts as high as 23 mph.

Wednesday Night: A 20 percent chance of showers before 1am. Partly cloudy, with a low around 39. North wind 7 to 10 mph, with gusts as high as 20 mph.

Thursday: Mostly sunny, with a high near 66. North wind 8 to 11 mph, with gusts as high as 20 mph.

Thursday Night: Partly cloudy, with a low around 41. North wind 5 to 8 mph.

Friday: A 20 percent chance of showers. Mostly sunny, with a high near 67. North wind 6 to 8 mph becoming south in the morning.

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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 is Precipitation?

Home - Education - Precipitation - Precipitation

Next Topic: Rain

Precipitation can refer to many different forms of water that may fall from clouds. Precipitation occurs after a cloud has become saturated to the point where its water particles are more dense than the air below the cloud.

In most cases, precipitation will reach the ground, but it is not uncommon for precipitation to evaporate before it reaches the earth's surface. When precipitation evaporates before it contacts the ground it is called Virga. Graupel, hail, sleet, rain, drizzle, and snow are forms of precipitation, but fog and mist are not considered precipitation because the water vapor which constitutes them isn't dense enough to fall to the ground.

Next Topic: Rain

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