Forecast Details for Peosta, IA

Recent Locations: Peosta, IA  
Tonight: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3am. Some of the storms could produce heavy rainfall. Low around 59. Southeast wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday: Showers and thunderstorms, mainly before noon. Some of the storms could produce heavy rainfall. High near 72. Southeast wind 10 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night: Partly cloudy, with a low around 51. Southwest wind around 10 mph, with gusts as high as 20 mph.
Wednesday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 72. Southwest wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 40%.
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 50. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday: A 50 percent chance of showers. Partly sunny, with a high near 58. Breezy. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night: Partly cloudy, with a low around 41. Breezy.
Friday: Sunny, with a high near 65.
Friday Night: A 30 percent chance of showers before 1am. Partly cloudy, with a low around 47.
Saturday: A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 64.
Saturday Night: Mostly clear, with a low around 46.
Sunday: Mostly sunny, with a high near 69.
Sunday Night: Partly cloudy, with a low around 50.
Monday: Mostly sunny, with a high near 72.

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Current U.S. National Radar--Current

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National Weather Forecast--Current

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Weather Topic: What are Contrails?

Home - Education - Cloud Types - Contrails

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

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