Forecast Details for Clayton, WI

Recent Locations: Skull Valley, AZ Onalaska, TX Clayton, WI

Current Alerts for Clayton, WI: Winter Storm Watch

Overnight: Mostly cloudy, with a low around 27. North northeast wind around 5 mph.

Wednesday: A 10 percent chance of snow showers after 3pm. Increasing clouds, with a high near 43. East wind 5 to 15 mph.

Wednesday Night: Rain showers, snow showers, and sleet before 3am, then sleet, possibly mixed with snow showers between 3am and 4am, then sleet, possibly mixed with snow showers and freezing rain after 4am. The sleet could be heavy at times. Low around 29. Breezy, with an east wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New ice accumulation of less than a 0.1 of an inch possible. New snow and sleet accumulation of 1 to 2 inches possible.

Thursday: Sleet, possibly mixed with freezing rain before 10am, then rain showers and sleet, possibly mixed with freezing rain between 10am and noon, then rain showers after noon. High near 34. Breezy, with an east wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New ice accumulation of less than a 0.1 of an inch possible. New sleet accumulation of less than a half inch possible.

Thursday Night: A chance of rain showers, mixing with snow after 10pm, then gradually ending. Cloudy, with a low around 28. North northwest wind 5 to 10 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

Friday: Showers likely and possibly a thunderstorm, mainly after 4pm. Mostly cloudy, with a high near 43. North wind 5 to 10 mph becoming east northeast in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday Night: Rain showers before 4am, then rain, possibly mixed with snow showers. Some thunder is also possible. Low around 32. East northeast wind around 10 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Saturday: Rain and snow showers likely, becoming all snow after 4pm. Mostly cloudy, with a high near 37. West northwest wind 10 to 15 mph. Chance of precipitation is 60%.

Saturday Night: A 30 percent chance of snow showers before 1am. Mostly cloudy, with a low around 24. Northwest wind around 15 mph, with gusts as high as 25 mph.

Sunday: Mostly sunny, with a high near 43. Northwest wind 10 to 15 mph.

Sunday Night: Mostly cloudy, with a low around 28. West northwest wind 5 to 10 mph.

Monday: A chance of rain and snow showers. Mostly cloudy, with a high near 43. West wind 5 to 10 mph becoming north in the afternoon. Chance of precipitation is 40%.

Monday Night: Partly cloudy, with a low around 23. North wind 5 to 10 mph.

Tuesday: Mostly sunny, with a high near 44. Northeast wind 5 to 10 mph becoming southeast in the afternoon.

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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 are Contrails?

Home - Education - Cloud Types - Contrails

Next Topic: Cumulonimbus Clouds

A contrail is an artificial cloud, created by the passing of an aircraft.

Contrails form because water vapor in the exhaust of aircraft engines is suspended in the air under certain temperatures and humidity conditions. These contrails are called exhaust contrails.

Another type of contrail can form due to a temporary reduction in air pressure moving over the plane's surface, causing condensation. These are called aerodynamic contrails.

When you can see your breath on a cold day, it is also because of condensation. The reason contrails last longer than the condensation from your breath is because the water in contrails freezes into ice particles.

Next Topic: Cumulonimbus Clouds

Weather Topic: What are Cumulus Clouds?

Home - Education - Cloud Types - Cumulus Clouds

Next Topic: Drizzle

Cumulus clouds are fluffy and textured with rounded tops, and may have flat bottoms. The border of a cumulus cloud is clearly defined, and can have the appearance of cotton or cauliflower.

Cumulus clouds form at low altitudes (rarely above 2 km) but can grow very tall, becoming cumulus congestus and possibly the even taller cumulonimbus clouds. When cumulus clouds become taller, they have a greater chance of producing precipitation.

Next Topic: Drizzle