Forecast Details for Salem, OR

Recent Locations: Salem, OR  
Current Alerts for Salem, OR: Winter Weather Advisory
This Afternoon: Rain, mainly before 3pm. High near 55. Southwest wind around 11 mph. Chance of precipitation is 80%.
Tonight: Rain, mainly after 11pm. Low around 47. South wind 9 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday: Rain before 10am, then showers between 10am and 11am, then showers and possibly a thunderstorm after 11am. High near 56. West southwest wind 8 to 10 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night: Showers likely and possibly a thunderstorm before 11pm, then a chance of showers. Mostly cloudy, with a low around 41. West wind 5 to 10 mph becoming light south southwest after midnight. Chance of precipitation is 70%.
Tuesday: A 50 percent chance of showers. Partly sunny, with a high near 59. Light and variable wind becoming west northwest 5 to 9 mph in the morning.
Tuesday Night: Mostly clear, with a low around 39.
Wednesday: Mostly sunny, with a high near 63.
Wednesday Night: Mostly clear, with a low around 43.
Thursday: Sunny, with a high near 76.
Thursday Night: Clear, with a low around 49. Breezy.
Friday: Sunny, with a high near 82.
Friday Night: Clear, with a low around 53.
Saturday: Sunny, with a high near 84.

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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