Forecast Details for Merrillan, WI

Recent Locations: Merrillan, WI  
Overnight: Showers and possibly a thunderstorm. Steady temperature around 53. Southeast wind around 8 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday: Showers and thunderstorms, mainly before noon. High near 71. Southeast wind 6 to 8 mph becoming west in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night: Partly cloudy, with a low around 47. West wind around 6 mph becoming calm in the evening.
Friday: Sunny, with a high near 80. Calm wind becoming south 5 to 7 mph in the morning.
Friday Night: Mostly clear, with a low around 55. South wind around 5 mph becoming calm in the evening.
Saturday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Sunny, with a high near 83. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 30%.
Saturday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly clear, with a low around 49. Southwest wind around 6 mph becoming calm after midnight. Chance of precipitation is 20%.
Sunday: Sunny, with a high near 77. Calm wind becoming southwest around 6 mph in the afternoon.
Sunday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 55. Light southeast wind.
Monday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 77. South wind 5 to 7 mph. Chance of precipitation is 60%.
Monday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 54. Light and variable wind.
Tuesday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 72. Northeast wind 5 to 9 mph, with gusts as high as 18 mph.
Tuesday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 49. Northwest wind around 7 mph, with gusts as high as 18 mph.
Wednesday: A 20 percent chance of showers. Mostly sunny, with a high near 68. Northwest wind 6 to 9 mph, with gusts as high as 20 mph.

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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

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