Forecast Details for Port Wing, WI

Recent Locations: Alma, CO Harrison, NE Port Wing, WI

Current Alerts for Port Wing, WI: Winter Storm Watch Winter Weather Advisory

Today: Snow before 3pm, then snow, possibly mixed with sleet between 3pm and 5pm, then snow after 5pm. High near 33. Windy, with a northeast wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 90%. Total daytime snow and sleet accumulation of 2 to 4 inches possible.

Tonight: Snow, possibly mixed with sleet before 1am, then a slight chance of snow between 1am and 4am. Low around 29. Windy, with a northeast wind 20 to 25 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 80%. New snow and sleet accumulation of 1 to 2 inches possible.

Friday: A chance of snow after 1pm, mixing with sleet after 4pm. Mostly cloudy, with a high near 36. Breezy, with a north wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

Friday Night: Rain, snow, freezing rain, and sleet likely before 1am, then rain, snow, and freezing rain between 1am and 4am, then snow, possibly mixed with rain after 4am. Low around 31. Breezy, with an east wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New ice accumulation of around a 0.1 of an inch possible. New snow and sleet accumulation of 1 to 2 inches possible.

Saturday: Snow, possibly mixed with rain, becoming all snow after 4pm. High near 37. Breezy, with an east wind 10 to 15 mph becoming north in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

Saturday Night: A 40 percent chance of snow before 1am. Mostly cloudy, with a low around 28. Northwest wind around 10 mph, with gusts as high as 20 mph.

Sunday: Mostly sunny, with a high near 43. West wind 5 to 10 mph, with gusts as high as 15 mph.

Sunday Night: A chance of rain before 1am, then a chance of snow. Mostly cloudy, with a low around 30. West wind 5 to 10 mph, with gusts as high as 15 mph.

Monday: A chance of snow. Mostly cloudy, with a high near 38. North wind around 10 mph, with gusts as high as 20 mph.

Monday Night: Partly cloudy, with a low around 21. North wind around 5 mph.

Tuesday: Mostly sunny, with a high near 40. East wind around 5 mph.

Tuesday Night: A chance of rain and snow. Mostly cloudy, with a low around 31. South wind 5 to 10 mph, with gusts as high as 20 mph.

Wednesday: A chance of rain. Mostly cloudy, with a high near 49. South wind around 10 mph, with gusts as high as 20 mph.

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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