Forecast Details for Mediapolis, IA

Recent Locations: Mediapolis, IA

Tonight: Clear, with a low around 48. West wind 5 to 15 mph becoming south after midnight. Winds could gust as high as 20 mph.

Tuesday: Sunny, with a high near 77. South wind 5 to 15 mph.

Tuesday Night: A chance of showers and thunderstorms. Increasing clouds, with a low around 57. South wind 10 to 15 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 74. Northwest wind around 10 mph becoming east in the afternoon. Chance of precipitation is 30%.

Wednesday Night: Showers likely before 7pm, then showers likely and possibly a thunderstorm between 7pm and 4am, then showers likely after 4am. Mostly cloudy, with a low around 61. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday: Showers likely, then showers and possibly a thunderstorm after 7am. High near 78. Breezy. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Thursday Night: Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 57. Chance of precipitation is 70%.

Friday: A 40 percent chance of showers. Partly sunny, with a high near 68.

Friday Night: A 30 percent chance of showers before 1am. Partly cloudy, with a low around 49.

Saturday: Mostly sunny, with a high near 71.

Saturday Night: Partly cloudy, with a low around 52.

Sunday: Mostly sunny, with a high near 74.

Sunday Night: Partly cloudy, with a low around 55.

Monday: Mostly sunny, with a high near 77.

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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 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