Forecast Details for Salem, WI

Recent Locations: Salem, WI  
Today: Sunny, with a high near 48. West wind 10 to 15 mph.
Tonight: Clear, with a low around 26. North wind around 5 mph.
Friday: Increasing clouds, with a high near 49. Light and variable wind becoming east 5 to 10 mph in the morning.
Friday Night: A chance of rain before 10pm, then rain and possibly a thunderstorm between 10pm and 4am, then a chance of rain after 4am. Low around 38. East wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday: A 30 percent chance of rain before 7am. Partly sunny, with a high near 56. Northwest wind 5 to 10 mph.
Saturday Night: Mostly cloudy, with a low around 33. North wind around 10 mph.
Sunday: A 30 percent chance of rain after 1pm. Mostly cloudy, with a high near 46. East wind 10 to 15 mph.
Sunday Night: Rain likely. Mostly cloudy, with a low around 38. Northeast wind 10 to 15 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday: Rain. High near 49. Chance of precipitation is 80%.
Monday Night: Rain likely, mainly before 1am. Mostly cloudy, with a low around 37. Breezy. Chance of precipitation is 70%.
Tuesday: A 30 percent chance of rain. Partly sunny, with a high near 48. Breezy.
Tuesday Night: A 20 percent chance of rain. Partly cloudy, with a low around 33.
Wednesday: Mostly sunny, with a high near 50.

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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 is Rain?

Home - Education - Precipitation - Rain

Rain Next Topic: Shelf Clouds

Precipitation in the form of water droplets is called rain. Rain generally has a tendency to fall with less intensity over a greater period of time, and when rainfall is more severe it is usually less sustained.

Rain is the most common form of precipitation and happens with greater frequency depending on the season and regional influences. Cities have been shown to have an observable effect on rainfall, due to an effect called the urban heat island. Compared to upwind, monthly rainfall between twenty and forty miles downwind of cities is 30% greater.

Next Topic: Shelf Clouds

Weather Topic: What is Sleet?

Home - Education - Precipitation - Sleet

Sleet Next Topic: Snow

Sleet is a form of precipitation in which small ice pellets are the primary components. These ice pellets are smaller and more translucent than hailstones, and harder than graupel. Sleet is caused by specific atmospheric conditions and therefore typically doesn't last for extended periods of time.

The condition which leads to sleet formation requires a warmer body of air to be wedged in between two sub-freezing bodies of air. When snow falls through a warmer layer of air it melts, and as it falls through the next sub-freezing body of air it freezes again, forming ice pellets known as sleet. In some cases, water droplets don't have time to freeze before reaching the surface and the result is freezing rain.

Next Topic: Snow