Forecast Details for Annapolis Junction, MD

Recent Locations: Annapolis Junction, MD  
Current Alerts for Annapolis Junction, MD: Coastal Flood Advisory
Tonight: Mostly cloudy, with a low around 43. Southeast wind 5 to 8 mph.
Saturday: Scattered showers, mainly between 11am and 5pm. Cloudy, with a high near 57. Southeast wind 6 to 11 mph. Chance of precipitation is 30%.
Saturday Night: Cloudy, then gradually becoming partly cloudy, with a low around 50. South wind 5 to 8 mph.
Sunday: Mostly sunny, with a high near 83. Southwest wind 6 to 8 mph.
Sunday Night: Mostly clear, with a low around 61. Southwest wind around 6 mph.
Monday: Sunny, with a high near 88.
Monday Night: Mostly clear, with a low around 63.
Tuesday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. Chance of precipitation is 30%.
Tuesday Night: A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
Wednesday: Mostly sunny, with a high near 83.
Wednesday Night: Partly cloudy, with a low around 59.
Thursday: Mostly sunny, with a high near 81.
Thursday Night: Partly cloudy, with a low around 58.
Friday: Mostly sunny, with a high near 80.

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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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Today's National Weather Map

National Weather Forecast for Tomorrow

Tomorrow National Weather Forecast and Tomorrow National Weather Map are show below.

Tomorrows National Weather Map

North America Water Vapor (Moisture)

This map shows recent moisture content over North America. Bright and colored areas show high moisture (ie, clouds); brown indicates very little moisture present; black indicates no moisture.

North American Water Vapor Map

Weather Topic: What is Condensation?

Home - Education - Precipitation - Condensation

Condensation Next Topic: Contrails

Condensation is the process which creates clouds, and therefore it is a crucial process in the water cycle. Condensation is the change of matter from a state of gas into a state of liquid, and it happens because water molecules release heat into the atmosphere and become organized into a more closely packed structure, what we might see as water droplets.

Water is always present in the air around us as a vapor, but it's too small for us to see. When water undergoes the process of condensation it becomes organized into visible water droplets. You've probably seen condensation happen before on the surface of a cold drink!

Next Topic: Contrails

Weather Topic: What are Cumulonimbus Clouds?

Home - Education - Cloud Types - Cumulonimbus Clouds

Cumulonimbus Clouds Next Topic: Cumulus Clouds

The final form taken by a growing cumulus cloud is the cumulonimbus cloud, which is very tall and dense. The tower of a cumulonimbus cloud can soar 23 km into the atmosphere, although most commonly they stop growing at an altitude of 6 km.

Even small cumulonimbus clouds appear very large in comparison to other cloud types. They can signal the approach of stormy weather, such as thunderstorms or blizzards.

Next Topic: Cumulus Clouds