Forecast Details for Salem, AL

Recent Locations: Salem, AL  
Current Alerts for Salem, AL: Dense Fog Advisory
Overnight: Showers likely and possibly a thunderstorm before 3am, then a slight chance of showers. Widespread dense fog, mainly after 5am. Otherwise, cloudy, with a low around 54. Southeast wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday: A 50 percent chance of showers and thunderstorms after noon. Widespread dense fog, mainly before 8am. Otherwise, cloudy, with a high near 69. Southeast wind around 5 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night: Showers and possibly a thunderstorm. Low around 61. South wind 5 to 15 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Sunday: Showers likely and possibly a thunderstorm before noon. Cloudy, then gradually becoming mostly sunny, with a high near 70. South wind 5 to 15 mph becoming west in the afternoon. Chance of precipitation is 60%.
Sunday Night: Partly cloudy, with a low around 46. West wind around 5 mph becoming calm in the evening.
Monday: Mostly sunny, with a high near 67.
Monday Night: Mostly clear, with a low around 49.
Tuesday: Mostly sunny, with a high near 68.
Tuesday Night: Mostly clear, with a low around 41.
New Year's Day: Sunny, with a high near 57.
Wednesday Night: Mostly clear, with a low around 33.
Thursday: Sunny, with a high near 51.
Thursday Night: Mostly clear, with a low around 31.
Friday: Sunny, with a high near 52.

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Current U.S. National Radar--Current

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Current U.S. National Radar

National Weather Forecast--Current

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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