Forecast Details for Alleman, IA

Recent Locations: Alleman, IA  
Overnight: Mostly cloudy, with a low around 49. West southwest wind 9 to 11 mph.
Monday: Mostly cloudy, with a high near 62. Breezy, with a west wind 13 to 17 mph, with gusts as high as 25 mph.
Monday Night: Mostly clear, with a low around 46. West wind 8 to 13 mph becoming light and variable. Winds could gust as high as 18 mph.
Tuesday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Sunny, with a high near 77. Windy, with a south southeast wind 7 to 12 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night: Showers and possibly a thunderstorm before 1am, then a slight chance of showers and thunderstorms after 1am. Low around 49. Windy, with a south wind 17 to 22 mph becoming west northwest 7 to 12 mph in the evening. Winds could gust as high as 32 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday: A chance of showers, with thunderstorms also possible after 4pm. Partly sunny, with a high near 72. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night: Showers and possibly a thunderstorm. Low around 56. Breezy. Chance of precipitation is 80%.
Thursday: Showers and possibly a thunderstorm. High near 72. Breezy. Chance of precipitation is 80%.
Thursday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 49. Breezy.
Friday: Partly sunny, with a high near 64. Breezy.
Friday Night: A 30 percent chance of showers. Partly cloudy, with a low around 44. Breezy.
Saturday: A 30 percent chance of showers. Mostly sunny, with a high near 65. Breezy.
Saturday Night: Partly cloudy, with a low around 43. Breezy.
Sunday: Mostly sunny, with a high near 68.

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Current U.S. National Radar--Current

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National Weather Forecast--Current

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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

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