Forecast Details for Norris, TN

Recent Locations: Norris, TN  
Current Alerts for Norris, TN: Special Weather Statement
Tonight: A chance of showers and thunderstorms before 4am, then a slight chance of showers between 4am and 5am. Mostly cloudy, with a low around 71. Calm wind. Chance of precipitation is 30%.
Friday: A 40 percent chance of showers and thunderstorms, mainly between 2pm and 5pm. Patchy fog between 7am and 8am. Otherwise, mostly sunny, with a high near 84. Calm wind becoming north around 5 mph in the afternoon.
Friday Night: A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 66. North wind around 5 mph.
Saturday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 81. Northeast wind around 5 mph. Chance of precipitation is 50%.
Saturday Night: A chance of showers and thunderstorms before 2am, then a chance of showers between 2am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 66. Calm wind. Chance of precipitation is 40%.
Sunday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 81. Calm wind becoming east around 5 mph. Chance of precipitation is 60%.
Sunday Night: Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am. Mostly cloudy, with a low around 64. Calm wind. Chance of precipitation is 60%.
Monday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 40%.
Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.
Tuesday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 50%.
Tuesday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Wednesday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
Wednesday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Thursday: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.

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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

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