Forecast Details for Lockport, NY

Recent Locations: Amity, OR Milford, DE Lockport, NY

Tonight: Showers and possibly a thunderstorm before 4am, then a chance of showers. Some of the storms could produce heavy rainfall. Low around 43. Breezy, with a southwest wind 16 to 20 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

Sunday: Showers likely, mainly after 4pm. Cloudy, with a high near 46. Breezy, with a southwest wind 16 to 22 mph, with gusts as high as 40 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

Sunday Night: Rain and snow showers likely before 11pm, then a chance of snow showers between 11pm and 2am. Mostly cloudy, with a low around 32. West wind 13 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

Monday: Rain likely, possibly mixed with snow showers, becoming all rain after 5pm. Mostly cloudy, with a high near 42. West wind 9 to 11 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

Monday Night: Rain and snow showers likely before 2am, then snow showers. Low around 25. Northwest wind 9 to 11 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Tuesday: Snow showers, mainly before 8am. High near 34. Northwest wind 13 to 16 mph. Chance of precipitation is 80%.

Tuesday Night: Mostly clear, with a low around 22. Northwest wind around 6 mph becoming southwest after midnight.

Wednesday: Sunny, with a high near 50. South wind around 7 mph.

Wednesday Night: Partly cloudy, with a low around 40.

Thursday: A chance of showers after 2pm. Partly sunny, with a high near 61. Chance of precipitation is 30%.

Thursday Night: A chance of showers. Mostly cloudy, with a low around 41. Chance of precipitation is 30%.

Friday: A chance of showers. Partly sunny, with a high near 55. Chance of precipitation is 30%.

Friday Night: A chance of showers. Mostly cloudy, with a low around 40. Chance of precipitation is 30%.

Saturday: Partly sunny, with a high near 61.

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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 Shelf Clouds?

Home - Education - Cloud Types - Shelf Clouds

Shelf Clouds Next Topic: Sleet

A shelf cloud is similar to a wall cloud, but forms at the front of a storm cloud, instead of at the rear, where wall clouds form.

A shelf cloud is caused by a series of events set into motion by the advancing storm; first, cool air settles along the ground where precipitation has just fallen. As the cool air is brought in, the warmer air is displaced, and rises above it, because it is less dense. When the warmer air reaches the bottom of the storm cloud, it begins to cool again, and the resulting condensation is a visible shelf cloud.

Next Topic: Sleet

Weather Topic: What is Snow?

Home - Education - Precipitation - Snow

Snow Next Topic: Stratocumulus Clouds

Snow is precipitation taking the form of ice crystals. Each ice crystal, or snowflake, has unique characteristics, but all of them grow in a hexagonal structure. Snowfall can last for sustained periods of time and result in significant buildup of snow on the ground.

On the earth's surface, snow starts out light and powdery, but as it begins to melt it tends to become more granular, producing small bits of ice which have the consistency of sand. After several cycles of melting and freezing, snow can become very dense and ice-like, commonly known as snow pack.

Next Topic: Stratocumulus Clouds