Forecast Details for Swan Valley, ID

Recent Locations: Sumerco, WV Coronado, CA Swan Valley, ID

Today: A chance of snow showers before noon, then snow between noon and 3pm, then snow showers likely after 3pm. Some thunder is also possible. High near 41. Breezy, with a west southwest wind 15 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. Total daytime snow accumulation of less than a half inch possible.

Tonight: Snow. Low around 27. West wind 9 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

Friday: A 50 percent chance of snow before noon. Mostly cloudy, with a high near 46. West wind 8 to 11 mph, with gusts as high as 20 mph. New snow accumulation of less than a half inch possible.

Friday Night: Partly cloudy, with a low around 25. West wind 5 to 7 mph becoming light and variable.

Saturday: Sunny, with a high near 55. Light and variable wind becoming west southwest around 6 mph in the afternoon.

Saturday Night: Clear, with a low around 29.

Sunday: Sunny, with a high near 60.

Sunday Night: Mostly clear, with a low around 33.

Monday: Mostly sunny, with a high near 64.

Monday Night: Partly cloudy, with a low around 36.

Tuesday: A 20 percent chance of rain. Snow level 8000 feet rising to 8600 feet in the afternoon. Mostly sunny, with a high near 64.

Tuesday Night: A 20 percent chance of rain. Snow level 8800 feet lowering to 8200 feet after midnight . Partly cloudy, with a low around 40.

Wednesday: A 40 percent chance of rain. Snow level 8000 feet. Partly sunny, with a high near 58.

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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 Cirrus Clouds?

Home - Education - Cloud Types - 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

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