Forecast Details for Atlanta, GA

Recent Locations: Atlanta, GA  
Tonight: A 20 percent chance of showers and thunderstorms before 2am. Mostly clear, with a low around 74. Northwest wind around 5 mph becoming calm in the evening.
Wednesday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 94. Heat index values as high as 100. North wind around 5 mph.
Wednesday Night: A 50 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 73. Northwest wind around 5 mph becoming east after midnight.
Thursday: Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 91. Heat index values as high as 99. East wind around 5 mph becoming south in the afternoon. Chance of precipitation is 70%.
Thursday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 72. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Friday: Showers and thunderstorms. High near 88. Chance of precipitation is 80%.
Friday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72.
Saturday: Showers and thunderstorms likely. Mostly sunny, with a high near 88. Chance of precipitation is 70%.
Saturday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Sunday: A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Sunday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Monday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Monday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Tuesday: A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.

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Current U.S. National Radar--Current

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Current U.S. National Radar

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Today's National Weather Map

National Weather Forecast for Tomorrow

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North America Water Vapor (Moisture)

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North American Water Vapor Map

Weather Topic: What is Rain?

Home - Education - Precipitation - Rain

Rain Next Topic: Shelf Clouds

Precipitation in the form of water droplets is called rain. Rain generally has a tendency to fall with less intensity over a greater period of time, and when rainfall is more severe it is usually less sustained.

Rain is the most common form of precipitation and happens with greater frequency depending on the season and regional influences. Cities have been shown to have an observable effect on rainfall, due to an effect called the urban heat island. Compared to upwind, monthly rainfall between twenty and forty miles downwind of cities is 30% greater.

Next Topic: Shelf Clouds

Weather Topic: What is Sleet?

Home - Education - Precipitation - Sleet

Sleet Next Topic: Snow

Sleet is a form of precipitation in which small ice pellets are the primary components. These ice pellets are smaller and more translucent than hailstones, and harder than graupel. Sleet is caused by specific atmospheric conditions and therefore typically doesn't last for extended periods of time.

The condition which leads to sleet formation requires a warmer body of air to be wedged in between two sub-freezing bodies of air. When snow falls through a warmer layer of air it melts, and as it falls through the next sub-freezing body of air it freezes again, forming ice pellets known as sleet. In some cases, water droplets don't have time to freeze before reaching the surface and the result is freezing rain.

Next Topic: Snow