Forecast Details for Greeley, IA

Recent Locations: Greeley, IA  
This Afternoon: Sunny, with a high near 62. Southeast wind around 15 mph, with gusts as high as 20 mph.
Tonight: Increasing clouds, with a low around 43. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Friday: Showers likely before 4pm, then a chance of showers and thunderstorms between 4pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Cloudy, with a high near 56. Breezy, with a southeast wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Low around 52. Breezy, with a south wind around 25 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday: A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 74. Breezy. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night: Showers and possibly a thunderstorm. Low around 59. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Sunday: Showers, with thunderstorms also possible after 10am. High near 70. Breezy. Chance of precipitation is 100%.
Sunday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Low around 55. Breezy. Chance of precipitation is 90%.
Monday: A 40 percent chance of showers before 1pm. Partly sunny, with a high near 63.
Monday Night: Partly cloudy, with a low around 46.
Tuesday: Sunny, with a high near 73.
Tuesday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 50.
Wednesday: A 30 percent chance of showers. Mostly sunny, with a high near 70.

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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 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