Forecast Details for Opdyke, IL

Recent Locations: Opdyke, IL  
Overnight: Mostly cloudy, with a low around 66. South wind 11 to 14 mph, with gusts as high as 25 mph.
Sunday: Mostly sunny, with a high near 83. Breezy, with a south southwest wind 14 to 22 mph, with gusts as high as 31 mph.
Sunday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 63. South wind 14 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 70%.
Monday: Showers and possibly a thunderstorm. High near 73. South wind 13 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 90%.
Monday Night: A 40 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 54. South southwest wind 6 to 10 mph becoming northwest after midnight.
Tuesday: Sunny, with a high near 79. North northwest wind 6 to 9 mph becoming south in the morning.
Tuesday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 59. South wind around 11 mph, with gusts as high as 18 mph.
Wednesday: A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 84. Southwest wind 9 to 11 mph.
Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. South southeast wind 9 to 11 mph.
Thursday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 81. South wind 11 to 16 mph, with gusts as high as 25 mph.
Thursday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 60. South southwest wind 13 to 15 mph, with gusts as high as 23 mph.
Friday: A chance of showers and thunderstorms. Partly sunny, with a high near 76. Southwest wind around 14 mph, with gusts as high as 21 mph.
Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 54. West northwest wind 8 to 11 mph.
Saturday: A slight chance of showers and thunderstorms. Mostly sunny, with a high near 77. North northwest wind around 11 mph becoming southwest in the afternoon.

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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