Forecast Details for Des Moines, IA

Recent Locations: Des Moines, IA  
Overnight: Mostly clear, with a steady temperature around 45. Calm wind.
Sunday: Sunny, with a high near 68. Calm wind becoming southeast 5 to 8 mph in the morning.
Sunday Night: Mostly clear, with a low around 50. East southeast wind 6 to 8 mph.
Monday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 75. Breezy, with a southeast wind 9 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.
Monday Night: Showers and possibly a thunderstorm. Low around 57. Windy, with a southeast wind 17 to 22 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Tuesday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 75. Breezy. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 52.
Wednesday: A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 75. Chance of precipitation is 40%.
Wednesday Night: Mostly clear, with a low around 50.
Thursday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 68. Breezy.
Thursday Night: Partly cloudy, with a low around 48.
Friday: A 30 percent chance of showers. Mostly sunny, with a high near 66. Breezy.
Friday Night: Partly cloudy, with a low around 46.
Saturday: Mostly sunny, with a high near 70. Breezy.

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Current U.S. National Radar--Current

The Current National Weather Radar is shown below with a UTC Time (subtract 5 hours from UTC to get Eastern Time).

Current U.S. National Radar

National Weather Forecast--Current

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Today's National Weather Map

National Weather Forecast for Tomorrow

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Tomorrows National Weather Map

North America Water Vapor (Moisture)

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North American Water Vapor Map

Weather Topic: What are Cirrus Clouds?

Home - Education - Cloud Types - Cirrus Clouds

Cirrus Clouds Next Topic: Condensation

Cirrus clouds are high-level clouds that occur above 20,000 feet and are composed mainly of ice crystals. They are thin and wispy in appearance.

What do they indicate?
They are often the first sign of an approaching storm.

Next Topic: Condensation

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