Forecast Details for Prospect Harbor, ME

Recent Locations: Alachua, FL   East Haven, CT   Prospect Harbor, ME  
This Afternoon: Mostly cloudy, with a high near 51. East wind around 10 mph, with gusts as high as 20 mph.
Tonight: Mostly cloudy, with a low around 47. East wind around 5 mph becoming calm in the evening.
Monday: Mostly sunny, with a high near 55. Calm wind becoming south around 6 mph in the afternoon.
Monday Night: Partly cloudy, with a low around 48. Southwest wind 3 to 5 mph.
Tuesday: Mostly sunny, with a high near 58. Southwest wind 5 to 9 mph.
Tuesday Night: Mostly cloudy, with a low around 51. Southwest wind 3 to 6 mph.
Wednesday: Mostly sunny, with a high near 63. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Wednesday Night: A slight chance of showers after 9pm. Partly cloudy, with a low around 53. Chance of precipitation is 20%.
Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 61. Chance of precipitation is 30%.
Thursday Night: A chance of showers and thunderstorms. Patchy fog between 1am and 2am. Otherwise, mostly cloudy, with a low around 51. Chance of precipitation is 30%.
Friday: A slight chance of showers. Mostly sunny, with a high near 60. Chance of precipitation is 20%.
Friday Night: Partly cloudy, with a low around 50.
Saturday: Mostly sunny, with a high near 59.

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Current U.S. National Radar--Current

The Current National Weather Radar is shown below with a UTC Time (subtract 5 hours from UTC to get Eastern Time).

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 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