Forecast Details for Peoria Heights, IL

Recent Locations: Peoria Heights, IL  
Today: A 40 percent chance of showers and thunderstorms. Cloudy, with a high near 75. Breezy, with a south wind 14 to 21 mph, with gusts as high as 31 mph.
Tonight: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 10pm. Low around 62. South southwest wind 10 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Monday: A chance of showers and thunderstorms before 1pm, then a slight chance of showers. Mostly cloudy, with a high near 70. South southwest wind 14 to 17 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Monday Night: Mostly clear, with a low around 50. West wind 5 to 10 mph, with gusts as high as 16 mph.
Tuesday: Sunny, with a high near 77. South wind 5 to 10 mph, with gusts as high as 16 mph.
Tuesday Night: A chance of showers before 10pm, then a chance of showers and thunderstorms between 10pm and 4am, then a chance of showers after 4am. Partly cloudy, with a low around 61. South southeast wind 11 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 50%.
Wednesday: A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 81. South wind 9 to 11 mph, with gusts as high as 18 mph.
Wednesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Thursday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 80. Chance of precipitation is 70%.
Thursday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.
Friday: A chance of showers and thunderstorms. Partly sunny, with a high near 69.
Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 49.
Saturday: Mostly sunny, with a high near 67.

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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