Forecast Details for Waverly, IA

Recent Locations: Floyd, IA Moncure, NC Waverly, IA

This Afternoon: Mostly cloudy, with a high near 44. Breezy, with a north northwest wind around 18 mph, with gusts as high as 24 mph.

Tonight: Mostly cloudy, with a low around 23. North northwest wind 8 to 14 mph becoming northeast after midnight. Winds could gust as high as 20 mph.

Tuesday: A 20 percent chance of snow showers after 1pm. Mostly sunny, with a high near 42. East northeast wind 7 to 15 mph becoming south southeast in the afternoon. Winds could gust as high as 20 mph.

Tuesday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 35. Windy, with a south southeast wind 15 to 22 mph, with gusts as high as 30 mph. New precipitation amounts of less than a tenth of an inch possible.

Wednesday: A chance of showers, with thunderstorms also possible after 4pm. Partly sunny, with a high near 66. Windy, with a south wind 22 to 29 mph, with gusts as high as 38 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 44. Breezy. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday: A 40 percent chance of showers. Partly sunny, with a high near 61.

Thursday Night: A 30 percent chance of showers, mainly before 1am. Partly cloudy, with a low around 39.

Friday: Mostly sunny, with a high near 59.

Friday Night: A 30 percent chance of showers. Partly cloudy, with a low around 42.

Saturday: A 50 percent chance of showers. Mostly cloudy, with a high near 62.

Saturday Night: Showers likely. Mostly cloudy, with a low around 53. Chance of precipitation is 60%.

Sunday: Showers likely. Mostly cloudy, with a high near 73. Breezy. Chance of precipitation is 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 Contrails?

Home - Education - Cloud Types - Contrails

Next Topic: Cumulonimbus Clouds

A contrail is an artificial cloud, created by the passing of an aircraft.

Contrails form because water vapor in the exhaust of aircraft engines is suspended in the air under certain temperatures and humidity conditions. These contrails are called exhaust contrails.

Another type of contrail can form due to a temporary reduction in air pressure moving over the plane's surface, causing condensation. These are called aerodynamic contrails.

When you can see your breath on a cold day, it is also because of condensation. The reason contrails last longer than the condensation from your breath is because the water in contrails freezes into ice particles.

Next Topic: Cumulonimbus Clouds

Weather Topic: What are Cumulus Clouds?

Home - Education - Cloud Types - Cumulus Clouds

Next Topic: Drizzle

Cumulus clouds are fluffy and textured with rounded tops, and may have flat bottoms. The border of a cumulus cloud is clearly defined, and can have the appearance of cotton or cauliflower.

Cumulus clouds form at low altitudes (rarely above 2 km) but can grow very tall, becoming cumulus congestus and possibly the even taller cumulonimbus clouds. When cumulus clouds become taller, they have a greater chance of producing precipitation.

Next Topic: Drizzle