Forecast Details for Avoca, WI

Recent Locations: Kernersville, NC Primghar, IA Avoca, WI

Overnight: Patchy fog after 3am. Otherwise, mostly clear, with a low around 26. Calm wind.

Wednesday: Patchy fog before 9am. Otherwise, sunny, with a high near 56. Calm wind becoming southeast around 5 mph.

Wednesday Night: A 30 percent chance of rain, mainly after 4am. Patchy fog between 3am and 4am. Otherwise, increasing clouds, with a low around 38. Calm wind.

Thursday: A 40 percent chance of rain before noon. Mostly cloudy, with a high near 51. East wind around 5 mph.

Thursday Night: A 30 percent chance of rain after 3am. Mostly cloudy, with a low around 41. Southeast wind around 5 mph.

Friday: Rain and possibly a thunderstorm. High near 65. South wind 5 to 10 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

Friday Night: Rain and possibly a thunderstorm before midnight, then rain likely. Low around 37. South wind around 10 mph becoming west after midnight. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Saturday: A 20 percent chance of rain before noon. Mostly sunny, with a high near 50. Northwest wind 5 to 10 mph.

Saturday Night: Mostly clear, with a low around 33.

Sunday: Mostly sunny, with a high near 61.

Sunday Night: Mostly clear, with a low around 39.

Monday: Sunny, with a high near 68.

Monday Night: A 20 percent chance of rain. Mostly clear, with a low around 47.

Tuesday: Rain likely. Partly sunny, with a high near 62. Chance of precipitation is 60%.

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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 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

Weather Topic: What is Snow?

Home - Education - Precipitation - Snow

Snow Next Topic: Stratocumulus Clouds

Snow is precipitation taking the form of ice crystals. Each ice crystal, or snowflake, has unique characteristics, but all of them grow in a hexagonal structure. Snowfall can last for sustained periods of time and result in significant buildup of snow on the ground.

On the earth's surface, snow starts out light and powdery, but as it begins to melt it tends to become more granular, producing small bits of ice which have the consistency of sand. After several cycles of melting and freezing, snow can become very dense and ice-like, commonly known as snow pack.

Next Topic: Stratocumulus Clouds