Forecast Details for Kelso, WA

Recent Locations: Forestport, NY Dobbs Ferry, NY Kelso, WA

Overnight: Rain, mainly before 5am. Low around 43. South southeast wind 3 to 6 mph. Winds could gust as high as 18 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

Wednesday: Rain. High near 52. South southeast wind 9 to 13 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

Wednesday Night: Rain, mainly before 1am. Snow level 2700 feet lowering to 2100 feet after midnight . Low around 40. South southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Thursday: Rain likely. Snow level 2200 feet rising to 3000 feet in the afternoon. Cloudy, then gradually becoming mostly sunny, with a high near 54. Calm wind becoming west 5 to 7 mph in the afternoon. Chance of precipitation is 70%.

Thursday Night: Patchy fog before 4am, then patchy fog after 5am. Patchy frost after 5am. Otherwise, partly cloudy, with a low around 37. West wind 5 to 8 mph becoming calm in the evening.

Friday: Patchy fog between 7am and 8am. Otherwise, mostly sunny, with a high near 61.

Friday Night: Mostly clear, with a low around 39.

Saturday: Mostly sunny, with a high near 67.

Saturday Night: Partly cloudy, with a low around 43.

Sunday: Mostly sunny, with a high near 70.

Sunday Night: Partly cloudy, with a low around 46.

Monday: Partly sunny, with a high near 71.

Monday Night: Mostly cloudy, with a low around 47.

Tuesday: A chance of rain. Partly sunny, with a high near 62.

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Current U.S. National Radar--Current

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National Weather Forecast--Current

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National Weather Forecast for Tomorrow

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North America Water Vapor (Moisture)

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Weather Topic: What are Cirrus Clouds?

Home - Education - Cloud Types - Cirrus Clouds

Next Topic: Condensation

Cirrus clouds are high-level clouds that occur above 20,000 feet and are composed mainly of ice crystals. They are thin and wispy in appearance.

What do they indicate?
They are often the first sign of an approaching storm.

Next Topic: Condensation

Weather Topic: What are Contrails?

Home - Education - Cloud Types - 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