Forecast Details for Avon, MT

Recent Locations: Middlesex, NY Flora, IN Avon, MT

Tonight: Rain and snow before 5am, then a chance of snow. Snow level 6100 feet lowering to 4800 feet after midnight . Low around 28. West wind 7 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of less than a half inch possible.

Thursday: Snow before noon, then snow showers, mainly between noon and 4pm. Some thunder is also possible. High near 39. West wind 7 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

Thursday Night: Snow. Low around 19. North northwest wind 5 to 8 mph becoming calm in the evening. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

Friday: Snow. High near 37. North northeast wind 5 to 9 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

Friday Night: A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 12. North wind 5 to 8 mph becoming calm after midnight. New snow accumulation of less than a half inch possible.

Saturday: A 30 percent chance of snow, mainly after noon. Mostly sunny, with a high near 39. Little or no snow accumulation expected.

Saturday Night: Mostly cloudy, with a low around 16.

Sunday: A chance of snow, mainly after noon. Partly sunny, with a high near 40.

Sunday Night: A slight chance of snow. Mostly cloudy, with a low around 20.

Monday: A chance of snow, mainly after noon. Partly sunny, with a high near 48.

Monday Night: Partly cloudy, with a low around 23.

Tuesday: A chance of rain. Snow level rising to 5900 feet in the afternoon. Mostly sunny, with a high near 54.

Tuesday Night: Partly cloudy, with a low around 28.

Wednesday: A slight chance of rain. Snow level 5400 feet rising to 6400 feet in the afternoon. Mostly sunny, with a high near 57.

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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