Forecast Details for Williams, MN

Recent Locations: Notasulga, AL Renton, WA Williams, MN

This Afternoon: Sunny, with a high near 63. South wind around 10 mph.

Tonight: Partly cloudy, with a low around 38. South southwest wind 5 to 8 mph becoming north northeast after midnight.

Thursday: Partly sunny, with a high near 58. North northeast wind 7 to 14 mph becoming west southwest in the afternoon.

Thursday Night: A chance of rain between 11pm and 4am, then a chance of snow after 4am. Mostly cloudy, with a low around 30. North wind 11 to 14 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

Friday: A chance of snow before 10am, then a chance of rain and snow between 10am and 1pm, then a chance of snow after 1pm. Mostly cloudy, with a high near 40. North northwest wind 11 to 15 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

Friday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 19. North northwest wind around 16 mph.

Saturday: Partly sunny, with a high near 30. North northwest wind 16 to 18 mph, with gusts as high as 28 mph.

Saturday Night: Mostly cloudy, with a low around 18. North northwest wind 13 to 18 mph decreasing to 7 to 12 mph after midnight.

Sunday: Sunny, with a high near 39. Northwest wind around 8 mph.

Sunday Night: Mostly clear, with a low around 23. Northwest wind 5 to 8 mph becoming south southeast after midnight.

Monday: Mostly sunny, with a high near 54. South wind 10 to 15 mph.

Monday Night: Partly cloudy, with a low around 35. West southwest wind 10 to 13 mph.

Tuesday: Mostly sunny, with a high near 54. West northwest wind around 11 mph.

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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 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