Forecast Details for Viola, WI

Recent Locations: Cleveland, SC Georgetown, TN Viola, WI

Current Alerts for Viola, WI: Flood Warning

This Afternoon: A chance of flurries before 1pm, then a chance of sprinkles and flurries. Mostly sunny, with a high near 40. Northwest wind 10 to 14 mph, with gusts as high as 23 mph.

Tonight: Partly cloudy, with a low around 18. Northwest wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 18 mph.

Tuesday: Sunny, with a high near 46. Calm wind becoming south 5 to 7 mph in the afternoon.

Tuesday Night: Rain and snow showers likely, becoming all rain after 4am. Mostly cloudy, with a low around 32. Southeast wind 6 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Wednesday: Showers likely, mainly after 1pm. Partly sunny, with a high near 65. Breezy, with a south wind 13 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Wednesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 38. Southwest wind 5 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

Thursday: A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 59. West wind 5 to 8 mph.

Thursday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 36. Calm wind.

Friday: A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 59. Calm wind becoming north around 5 mph.

Friday Night: Partly cloudy, with a low around 33. Calm wind.

Saturday: A 30 percent chance of showers. Mostly sunny, with a high near 61. Calm wind becoming southeast 5 to 8 mph in the morning.

Saturday Night: Showers likely. Mostly cloudy, with a low around 47. Southeast wind around 8 mph, with gusts as high as 18 mph. Chance of precipitation is 70%.

Sunday: Showers and possibly a thunderstorm. High near 72. South wind 8 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.

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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 Wall Clouds?

Home - Education - Cloud Types - Wall Clouds

Wall Clouds Next Topic: Altocumulus Clouds

A wall cloud forms underneath the base of a cumulonimbus cloud, and can be a hotbed for deadly tornadoes.

Wall clouds are formed by air flowing into the cumulonimbus clouds, which can result in the wall cloud descending from the base of the cumulonimbus cloud, or rising fractus clouds which join to the base of the storm cloud as the wall cloud takes shape.

Wall clouds can be very large, and in the Northern Hemisphere they generally form at the southern edge of cumulonimbus clouds.

Next Topic: Altocumulus Clouds

Weather Topic: What are Altostratus Clouds?

Home - Education - Cloud Types - Altostratus Clouds

Next Topic: Cirrocumulus Clouds

Altostratus clouds form at mid to high-level altitudes (between 2 and 7 km) and are created by a warm, stable air mass which causes water vapor to condense as it rise through the atmosphere. Usually altostratus clouds are featureless sheets characterized by a uniform color.

In some cases, wind punching through the cloud formation may give it a waved appearance, called altostratus undulatus. Altostratus clouds are commonly seen with other cloud formations accompanying them.

Next Topic: Cirrocumulus Clouds