Forecast Details for Rochester Mills, PA

Recent Locations: Troy, MI Marion, IL Rochester Mills, PA

Current Alerts for Rochester Mills, PA: Winter Storm Warning Winter Weather Advisory

Tonight: A chance of snow between 9pm and 3am. Mostly cloudy, with a low around 14. Northwest wind 13 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 30%. Total nighttime snow accumulation of less than a half inch possible.

Tuesday: Cloudy through mid morning, then gradual clearing, with a high near 32. West wind 7 to 11 mph, with gusts as high as 23 mph.

Tuesday Night: Snow, mainly after 1am. Low around 26. South wind 6 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

Wednesday: A chance of snow before 1pm. Mostly cloudy, with a high near 41. Southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 40%. New snow accumulation of less than one inch possible.

Wednesday Night: Mostly cloudy, with a low around 22. West wind 5 to 9 mph, with gusts as high as 20 mph.

Thursday: Rain and snow likely, mainly after 1pm. Mostly cloudy, with a high near 38. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

Thursday Night: A chance of rain and snow before 1am. Mostly cloudy, with a low around 24. Chance of precipitation is 30%.

Friday: Mostly sunny, with a high near 41.

Friday Night: Mostly clear, with a low around 29.

Saturday: Sunny, with a high near 51.

Saturday Night: Partly cloudy, with a low around 27.

Sunday: Partly sunny, with a high near 38.

Sunday Night: A chance of rain and snow. Mostly cloudy, with a low around 22. Chance of precipitation is 40%.

Monday: A chance of rain and snow. Mostly cloudy, with a high near 35. Chance of precipitation is 50%.

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Current U.S. National Radar--Current

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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 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