Forecast Details for Kirkwood, CA

Recent Locations: Wood River, IL Heltonville, IN Kirkwood, CA

Tonight: Areas of fog between 10pm and 11pm. Otherwise, mostly cloudy, with a low around 34. Southwest wind 3 to 5 mph.

Thursday: Mostly sunny, with a high near 54. West southwest wind 3 to 5 mph.

Thursday Night: Mostly cloudy, with a low around 34. Light and variable wind.

Friday: Partly sunny, with a high near 58. Light and variable wind.

Friday Night: Mostly cloudy, with a low around 36. Light southeast wind.

Saturday: A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 54.

Saturday Night: A chance of rain before 1am, then a chance of rain and snow. Some thunder is also possible. Mostly cloudy, with a low around 34. Chance of precipitation is 30%. Little or no snow accumulation expected.

Sunday: A slight chance of rain and snow before 7am, then a slight chance of snow between 7am and 10am, then a chance of rain after 10am. Mostly cloudy, with a high near 46.

Sunday Night: A chance of snow. Mostly cloudy, with a low around 27.

Monday: A chance of snow, mainly before 4pm. Partly sunny, with a high near 45.

Monday Night: A slight chance of snow. Partly cloudy, with a low around 28.

Tuesday: Sunny, with a high near 52.

Tuesday Night: Partly cloudy, with a low around 30.

Wednesday: Mostly sunny, with a high near 53.

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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

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 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

Weather Topic: What are Cumulus Clouds?

Home - Education - Cloud Types - 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