Forecast Details for Montezuma, IA

Recent Locations: Montezuma, IA  
Tonight: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4am. Some of the storms could produce heavy rainfall. Low around 52. Breezy, with a north northeast wind 6 to 16 mph becoming east after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday: Showers and thunderstorms. Some of the storms could produce heavy rainfall. High near 69. Breezy, with an east wind around 17 mph becoming south in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Thursday Night: Showers and thunderstorms likely, mainly before 10pm. Cloudy, then gradually becoming partly cloudy, with a low around 49. Southwest wind 10 to 13 mph becoming north northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Friday: Sunny, with a high near 70. North wind around 10 mph.
Friday Night: Mostly clear, with a low around 49. East northeast wind around 8 mph.
Saturday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 67. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 47.
Sunday: Mostly sunny, with a high near 71.
Sunday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 54.
Monday: Showers likely. Partly sunny, with a high near 75. Breezy. Chance of precipitation is 60%.
Monday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 59. Windy. Chance of precipitation is 70%.
Tuesday: A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 75. Windy.
Tuesday Night: A 30 percent chance of showers. Partly cloudy, with a low around 53. Breezy.
Wednesday: Mostly sunny, with a high near 72. Windy.

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Current U.S. National Radar--Current

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North America Water Vapor (Moisture)

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Weather Topic: What are Shelf Clouds?

Home - Education - Cloud Types - Shelf Clouds

Shelf Clouds Next Topic: Sleet

A shelf cloud is similar to a wall cloud, but forms at the front of a storm cloud, instead of at the rear, where wall clouds form.

A shelf cloud is caused by a series of events set into motion by the advancing storm; first, cool air settles along the ground where precipitation has just fallen. As the cool air is brought in, the warmer air is displaced, and rises above it, because it is less dense. When the warmer air reaches the bottom of the storm cloud, it begins to cool again, and the resulting condensation is a visible shelf cloud.

Next Topic: Sleet

Weather Topic: What is Snow?

Home - Education - Precipitation - Snow

Snow Next Topic: Stratocumulus Clouds

Snow is precipitation taking the form of ice crystals. Each ice crystal, or snowflake, has unique characteristics, but all of them grow in a hexagonal structure. Snowfall can last for sustained periods of time and result in significant buildup of snow on the ground.

On the earth's surface, snow starts out light and powdery, but as it begins to melt it tends to become more granular, producing small bits of ice which have the consistency of sand. After several cycles of melting and freezing, snow can become very dense and ice-like, commonly known as snow pack.

Next Topic: Stratocumulus Clouds