Forecast Details for Donovan, IL

Recent Locations: Saint Marks, FL Agra, KS Donovan, IL

Overnight: Showers and possibly a thunderstorm. Low around 41. North northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday: Showers and possibly a thunderstorm before noon, then a chance of showers between noon and 4pm, then a chance of showers and thunderstorms after 4pm. High near 49. Northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Wednesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 10pm. Cloudy, with a low around 42. East wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 74. Breezy, with a south wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 80%.

Thursday Night: Showers likely and possibly a thunderstorm before 1am, then a slight chance of showers. Mostly cloudy, with a low around 56. Breezy, with a southwest wind 15 to 20 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 70%.

Friday: A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 75.

Friday Night: Showers and possibly a thunderstorm. Low around 55. Chance of precipitation is 90%.

Saturday: Showers, mainly before 1pm. Mostly cloudy, with a high near 66.

Saturday Night: A chance of showers before 1am. Mostly cloudy, with a low around 34.

Sunday: Partly sunny, with a high near 50.

Sunday Night: Mostly clear, with a low around 31.

Monday: Mostly sunny, with a high near 58.

Monday Night: A chance of showers. Mostly cloudy, with a low around 35.

Tuesday: Partly sunny, with a high near 52.

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Weather Topic: What is Precipitation?

Home - Education - Precipitation - Precipitation

Next Topic: Rain

Precipitation can refer to many different forms of water that may fall from clouds. Precipitation occurs after a cloud has become saturated to the point where its water particles are more dense than the air below the cloud.

In most cases, precipitation will reach the ground, but it is not uncommon for precipitation to evaporate before it reaches the earth's surface. When precipitation evaporates before it contacts the ground it is called Virga. Graupel, hail, sleet, rain, drizzle, and snow are forms of precipitation, but fog and mist are not considered precipitation because the water vapor which constitutes them isn't dense enough to fall to the ground.

Next Topic: Rain

Weather Topic: What are Shelf Clouds?

Home - Education - Cloud Types - Shelf Clouds

Shelf Clouds Next Topic: Sleet

A shelf cloud is similar to a wall cloud, but forms at the front of a storm cloud, instead of at the rear, where wall clouds form.

A shelf cloud is caused by a series of events set into motion by the advancing storm; first, cool air settles along the ground where precipitation has just fallen. As the cool air is brought in, the warmer air is displaced, and rises above it, because it is less dense. When the warmer air reaches the bottom of the storm cloud, it begins to cool again, and the resulting condensation is a visible shelf cloud.

Next Topic: Sleet