Forecast Details for Alexander, IA

Recent Locations: Bruce, WI DeKalb, IL Alexander, IA

Today: Showers and possibly a thunderstorm, mainly before 5pm, then a chance of showers and thunderstorms after 5pm. Patchy fog between 9am and 10am. High near 46. Breezy, with an east wind 13 to 18 mph becoming north northwest in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

Tonight: A 10 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 31. Blustery, with a west northwest wind 7 to 17 mph, with gusts as high as 24 mph.

Friday: A chance of showers and thunderstorms between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 51. Breezy, with an east wind 8 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Friday Night: Rain showers likely before 4am, then a slight chance of rain and snow showers. Some thunder is also possible. Mostly cloudy, with a low around 33. Breezy, with an east wind 14 to 18 mph becoming west after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

Saturday: A 10 percent chance of snow showers before 7am. Mostly cloudy, with a high near 42. Windy, with a west wind 20 to 28 mph, with gusts as high as 33 mph.

Saturday Night: Mostly cloudy, with a low around 28. Windy.

Sunday: Sunny, with a high near 53. Breezy.

Sunday Night: Partly cloudy, with a low around 32.

Monday: Partly sunny, with a high near 48. Breezy.

Monday Night: Partly cloudy, with a low around 26.

Tuesday: Partly sunny, with a high near 49. Windy.

Tuesday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 37. Windy.

Wednesday: A 30 percent chance of showers. Partly sunny, with a high near 66. Windy.

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National Weather Forecast--Current

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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