Forecast Details for Shell Rock, IA

Recent Locations: Haskell, TX Spring Brook, NY Shell Rock, IA

Tonight: Cloudy, with a low around 33. West northwest wind 6 to 13 mph, with gusts as high as 20 mph.

Friday: A chance of showers and thunderstorms between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 57. North wind 6 to 15 mph becoming east in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday Night: Showers and possibly a thunderstorm before 11pm, then a chance of showers and thunderstorms between 11pm and 1am, then a chance of showers after 1am. Low around 36. Breezy, with an east wind 14 to 16 mph becoming west in the evening. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

Saturday: A slight chance of rain showers before 10am, then a slight chance of rain and snow showers between 10am and 1pm, then a slight chance of rain showers after 1pm. Mostly cloudy, with a high near 45. Windy, with a west wind 18 to 25 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.

Saturday Night: Mostly cloudy, with a low around 31. Windy, with a west northwest wind 15 to 23 mph, with gusts as high as 30 mph.

Sunday: Mostly sunny, with a high near 53.

Sunday Night: Partly cloudy, with a low around 32.

Monday: Mostly sunny, with a high near 48. Breezy.

Monday Night: Mostly clear, with a low around 24. Blustery.

Tuesday: Mostly sunny, with a high near 46.

Tuesday Night: A chance of rain and snow showers. Mostly cloudy, with a low around 35. Windy. Chance of precipitation is 30%.

Wednesday: A 30 percent chance of showers. Partly sunny, with a high near 66. Windy.

Wednesday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 41. Breezy.

Thursday: A 40 percent chance of showers. Mostly cloudy, with a high near 58. Breezy.

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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 Mammatus Clouds?

Home - Education - Cloud Types - Mammatus Clouds

Mammatus Clouds Next Topic: Nimbostratus Clouds

A mammatus cloud is a cloud with a unique feature which resembles a web of pouches hanging along the base of the cloud.

In the United States, mammatus clouds tend to form in the warmer months, commonly in the Midwest and eastern regions.

While they usually form at the bottom of a cumulonimbis cloud, they can also form under altostratus, altocumulus, stratocumulus, and cirrus clouds. Mammatus clouds warn that severe weather is close.

Next Topic: Nimbostratus Clouds

Weather Topic: What is Precipitation?

Home - Education - Precipitation - Precipitation

Next Topic: Rain

Precipitation can refer to many different forms of water that may fall from clouds. Precipitation occurs after a cloud has become saturated to the point where its water particles are more dense than the air below the cloud.

In most cases, precipitation will reach the ground, but it is not uncommon for precipitation to evaporate before it reaches the earth's surface. When precipitation evaporates before it contacts the ground it is called Virga. Graupel, hail, sleet, rain, drizzle, and snow are forms of precipitation, but fog and mist are not considered precipitation because the water vapor which constitutes them isn't dense enough to fall to the ground.

Next Topic: Rain