Forecast Details for Westerville, OH

Recent Locations: Westerville, OH  
Tonight: Showers, mainly before midnight. Low around 43. Breezy, with a southwest wind 13 to 20 mph becoming west after midnight. Winds could gust as high as 33 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday: Mostly sunny, with a high near 58. Northwest wind 7 to 9 mph.
Friday Night: Mostly clear, with a low around 35. Light northeast wind.
Saturday: Sunny, with a high near 62. Light east wind.
Saturday Night: Mostly clear, with a low around 40. East wind around 5 mph.
Sunday: A chance of showers. Partly sunny, with a high near 64. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night: A chance of showers. Mostly cloudy, with a low around 56. Chance of precipitation is 50%.
Monday: A chance of showers before 2pm. Mostly cloudy, with a high near 75. Chance of precipitation is 30%.
Monday Night: Mostly cloudy, with a low around 61.
Tuesday: A chance of showers after 2pm. Mostly cloudy, with a high near 78. Breezy. Chance of precipitation is 50%.
Tuesday Night: Showers likely. Mostly cloudy, with a low around 51. Chance of precipitation is 70%.
Wednesday: A chance of showers. Partly sunny, with a high near 63. Chance of precipitation is 30%.
Wednesday Night: Partly cloudy, with a low around 41.
Thursday: Sunny, with a high near 60.

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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 Contrails?

Home - Education - Cloud Types - Contrails

Contrails Next Topic: Cumulonimbus Clouds

A contrail is an artificial cloud, created by the passing of an aircraft.

Contrails form because water vapor in the exhaust of aircraft engines is suspended in the air under certain temperatures and humidity conditions. These contrails are called exhaust contrails.

Another type of contrail can form due to a temporary reduction in air pressure moving over the plane's surface, causing condensation. These are called aerodynamic contrails.

When you can see your breath on a cold day, it is also because of condensation. The reason contrails last longer than the condensation from your breath is because the water in contrails freezes into ice particles.

Next Topic: Cumulonimbus Clouds

Weather Topic: What are Cumulus Clouds?

Home - Education - Cloud Types - Cumulus Clouds

Cumulus Clouds Next Topic: Drizzle

Cumulus clouds are fluffy and textured with rounded tops, and may have flat bottoms. The border of a cumulus cloud is clearly defined, and can have the appearance of cotton or cauliflower.

Cumulus clouds form at low altitudes (rarely above 2 km) but can grow very tall, becoming cumulus congestus and possibly the even taller cumulonimbus clouds. When cumulus clouds become taller, they have a greater chance of producing precipitation.

Next Topic: Drizzle