Forecast Details for Villisca, IA

Recent Locations: Poolesville, MD Merritt Island, FL Villisca, IA

Today: A chance of snow showers and freezing rain before 11am, then a slight chance of snow showers between 11am and noon, then a slight chance of rain showers after noon. Patchy fog after 10am. Otherwise, cloudy, with a high near 40. East southeast wind 11 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Tonight: A chance of drizzle, mainly before 2am. Cloudy, then gradually becoming partly cloudy, with a temperature falling to near 39 by 9pm, then rising to around 43 during the remainder of the night. Breezy, with an east southeast wind 14 to 18 mph, with gusts as high as 28 mph.

Wednesday: A chance of showers between 7am and 4pm, then a chance of showers and thunderstorms after 4pm. Increasing clouds, with a high near 70. Windy, with a south southwest wind 21 to 28 mph, with gusts as high as 36 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday Night: A chance of showers and thunderstorms. Cloudy, then gradually becoming partly cloudy, with a low around 40. West wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 16 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday: A chance of showers, then showers and possibly a thunderstorm after 1pm. High near 64. Light and variable wind becoming east southeast 5 to 10 mph in the morning. Winds could gust as high as 16 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday Night: Showers and possibly a thunderstorm before 1am, then showers likely. Low around 41. Northeast wind around 9 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Friday: A 30 percent chance of showers. Mostly cloudy, with a high near 59. Northeast wind 9 to 11 mph, with gusts as high as 17 mph.

Friday Night: A chance of showers and thunderstorms, then showers likely after 1am. Mostly cloudy, with a low around 44. East northeast wind around 8 mph.

Saturday: Showers likely and possibly a thunderstorm. Cloudy, with a high near 68. Southeast wind 9 to 17 mph, with gusts as high as 24 mph.

Saturday Night: A chance of showers and thunderstorms, then showers likely after 1am. Cloudy, with a low around 55. South southeast wind 14 to 16 mph, with gusts as high as 24 mph.

Sunday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 72. Breezy, with a south wind 15 to 23 mph, with gusts as high as 32 mph.

Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Breezy, with a south wind 15 to 18 mph, with gusts as high as 26 mph.

Monday: A chance of showers and thunderstorms. Mostly sunny, with a high near 77. Breezy, with a south southwest wind 14 to 18 mph, with gusts as high as 26 mph.

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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