Forecast Details for Harrisburg, PA

Recent Locations: Carey, ID Ben Bolt, TX Harrisburg, PA

Current Alerts for Harrisburg, PA: Winter Weather Advisory

Overnight: A chance of snow before 5am, then snow and freezing rain likely. Cloudy, with a low around 29. Southeast wind around 5 mph. Chance of precipitation is 60%. Little or no ice accumulation expected. Total nighttime snow accumulation of less than a half inch possible.

Tuesday: Rain, snow, freezing rain, and sleet, becoming all rain after noon. High near 39. Southeast wind around 6 mph. Chance of precipitation is 90%. New ice accumulation of less than a 0.1 of an inch possible. New snow and sleet accumulation of less than a half inch possible.

Tuesday Night: Rain, mainly before 1am. Low around 38. Light and variable wind. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

Wednesday: A chance of rain after 1pm. Mostly cloudy, with a high near 53. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Wednesday Night: Rain. Low around 45. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

Thursday: Rain likely, with thunderstorms also possible after 4pm. Cloudy, with a high near 58. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday Night: Rain. Low around 48. Chance of precipitation is 80%.

Friday: Mostly cloudy, with a high near 63.

Friday Night: Mostly cloudy, with a low around 46.

Saturday: A chance of rain after 1pm. Mostly cloudy, with a high near 67. Chance of precipitation is 30%.

Saturday Night: Rain likely. Mostly cloudy, with a low around 53. Chance of precipitation is 60%.

Sunday: Mostly cloudy, with a high near 67.

Sunday Night: Mostly cloudy, with a low around 51.

Monday: Partly sunny, with a high near 69.

Want more detail? Get the Complete 7 Day and Night Detailed Forecast!

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).

National Weather Forecast--Current

The Current National Weather Forecast and National Weather Map are shown below.

National Weather Forecast for Tomorrow

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

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.

Weather Topic: What is Hail?

Home - Education - Precipitation - Hail

Hail Next Topic: Hole Punch Clouds

Hail is a form of precipitation which is recognized by large solid balls or clumps of ice. Hail is created by thunderstorm clouds with strong updrafts of wind. As the hailstones remain in the updraft, ice is deposited onto them until their weight becomes heavy enough for them to fall to the earth's surface.

Hail storms can cause significant damage to crops, aircrafts, and man-made structures, despite the fact that the duration is usually less than ten minutes.

Next Topic: Hole Punch Clouds

Weather Topic: What are Mammatus Clouds?

Home - Education - Cloud Types - Mammatus Clouds

Mammatus Clouds Next Topic: Nimbostratus Clouds

A mammatus cloud is a cloud with a unique feature which resembles a web of pouches hanging along the base of the cloud.

In the United States, mammatus clouds tend to form in the warmer months, commonly in the Midwest and eastern regions.

While they usually form at the bottom of a cumulonimbis cloud, they can also form under altostratus, altocumulus, stratocumulus, and cirrus clouds. Mammatus clouds warn that severe weather is close.

Next Topic: Nimbostratus Clouds