Forecast Details for Birchwood, WI

Recent Locations: Birchwood, WI  
Today: Sunny, with a high near 56. East wind around 5 mph becoming calm.
Tonight: Mostly clear, with a low around 32. Calm wind becoming south around 5 mph after midnight.
Thursday: Sunny, with a high near 63. South wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night: A 20 percent chance of rain after 1am. Partly cloudy, with a low around 41. Breezy, with a southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Friday: Showers, with thunderstorms also possible after 4pm. High near 57. Windy, with a southeast wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night: Showers and possibly a thunderstorm. Low around 47. Windy, with a southeast wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Saturday: Showers and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 65. Breezy, with a south wind 15 to 20 mph becoming west in the afternoon. Winds could gust as high as 30 mph.
Saturday Night: A chance of showers. Mostly cloudy, with a low around 42. Breezy, with a northwest wind around 15 mph becoming northeast after midnight. Winds could gust as high as 25 mph.
Sunday: Showers likely, then showers and possibly a thunderstorm after 1pm. Cloudy, with a high near 53. Breezy, with a northeast wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 42. Breezy, with a northeast wind around 15 mph, with gusts as high as 25 mph.
Monday: A chance of showers. Mostly cloudy, with a high near 55. Breezy, with a southeast wind 10 to 15 mph becoming west in the afternoon. Winds could gust as high as 25 mph.
Monday Night: Mostly cloudy, with a low around 39. Breezy, with a west wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday: Mostly sunny, with a high near 65. Breezy, with a west wind 10 to 15 mph, with gusts as high as 20 mph.

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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