Forecast Details for River Falls, WI

Recent Locations: River Falls, WI

Today: Showers, mainly after 2pm. High near 57. East northeast wind around 5 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Tonight: Showers, mainly before 4am. Low around 44. Northeast wind 5 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Friday: A 30 percent chance of showers before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 57. North northeast wind 10 to 15 mph.

Friday Night: Mostly clear, with a low around 35. North northeast wind 5 to 10 mph becoming light northeast after midnight.

Saturday: Sunny, with a high near 63. Calm wind becoming east around 5 mph in the morning.

Saturday Night: Mostly cloudy, with a low around 45. South southeast wind around 5 mph.

Sunday: A 30 percent chance of showers after 1pm. Partly sunny, with a high near 64. South southeast wind 10 to 15 mph.

Sunday Night: Showers and possibly a thunderstorm. Low around 55. South southeast wind 10 to 15 mph. Chance of precipitation is 80%.

Monday: Showers and possibly a thunderstorm. High near 76. South southeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

Monday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 49. South wind around 15 mph becoming west southwest after midnight. Chance of precipitation is 70%.

Tuesday: A 30 percent chance of showers. Partly sunny, with a high near 60. West northwest wind around 15 mph.

Tuesday Night: Partly cloudy, with a low around 37. North wind 5 to 10 mph.

Wednesday: Sunny, with a high near 62. North northeast wind 5 to 10 mph becoming south southwest in the afternoon.

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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