Forecast Details for Greenville, MO

Recent Locations: Greenville, MO  
Current Alerts for Greenville, MO: Hydrologic Outlook
Today: A 30 percent chance of rain, mainly between 1pm and 2pm. Mostly cloudy, with a high near 48. East wind around 6 mph.
Tonight: A 30 percent chance of rain before midnight. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 36. Light and variable wind.
Saturday: A 40 percent chance of rain after noon. Areas of dense fog before 8am. Otherwise, partly sunny, with a high near 58. Calm wind becoming south southeast 5 to 7 mph in the afternoon.
Saturday Night: Rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 47. South southeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 90%.
Sunday: A 30 percent chance of rain, mainly before noon. Cloudy, with a high near 59. Calm wind becoming northwest around 6 mph in the morning.
Sunday Night: A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 32. North northwest wind around 6 mph becoming calm after midnight.
Monday: Mostly sunny, with a high near 53. Calm wind becoming north around 5 mph.
Monday Night: A slight chance of rain and snow showers between midnight and 1am, then a slight chance of snow showers after 1am. Mostly clear, with a low around 30. Light northeast wind.
Tuesday: A chance of snow showers before 8am, then a chance of rain and snow showers between 8am and 9am, then a chance of rain showers after 9am. Mostly sunny, with a high near 51. Calm wind becoming southeast around 6 mph. Winds could gust as high as 18 mph.
Tuesday Night: Partly cloudy, with a low around 33. Calm wind.
Wednesday: Mostly sunny, with a high near 58. Light southwest wind.
Wednesday Night: A chance of showers. Partly cloudy, with a low around 37. Light northwest wind.
Thursday: A slight chance of showers. Mostly sunny, with a high near 57. North northwest wind 3 to 7 mph.

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Current U.S. National Radar--Current

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National Weather Forecast--Current

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North America Water Vapor (Moisture)

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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