Forecast Details for Donnellson, IL

Recent Locations: Donnellson, IL  
Tonight: Showers and thunderstorms before 4am, then showers likely and possibly a thunderstorm between 4am and 5am, then a chance of showers and thunderstorms after 5am. Some of the storms could produce heavy rainfall. Low around 60. South wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Monday: A 40 percent chance of showers and thunderstorms, mainly before 9am. Cloudy, with a high near 73. Southwest wind 8 to 11 mph.
Monday Night: Mostly cloudy, then gradually becoming clear, with a low around 54. West wind 3 to 7 mph.
Tuesday: Sunny, with a high near 77. East wind 5 to 8 mph becoming south in the afternoon.
Tuesday Night: Mostly clear, with a low around 60. South wind 8 to 10 mph.
Wednesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 82.
Wednesday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 62. Chance of precipitation is 20%.
Thursday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 81. Breezy. Chance of precipitation is 60%.
Thursday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 60. Chance of precipitation is 70%.
Friday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 72.
Friday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 50.
Saturday: A 20 percent chance of showers. Mostly sunny, with a high near 71.
Saturday Night: A 20 percent chance of showers. Partly cloudy, with a low around 52.
Sunday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 73.

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Weather Topic: What are Cirrocumulus Clouds?

Home - Education - Cloud Types - Cirrocumulus Clouds

Cirrocumulus Clouds Next Topic: Cirrostratus Clouds

Cirrocumulus clouds form at high altitudes (usually around 5 km) and have distinguishing characteristics displayed in a fine layer of small cloud patches. These small cloud patches are sometimes referred to as "cloudlets" in relation to the whole cloud formation.

Cirrocumulus clouds are formed from ice crystals and water droplets. Often, the water droplets in the cloud freeze into ice crystals and the cloud becomes a cirrostratus cloud. Because of this common occurrence, cirrocumulus cloud formations generally pass rapidly.

Next Topic: Cirrostratus Clouds

Weather Topic: What are Cirrus Clouds?

Home - Education - Cloud Types - Cirrus Clouds

Cirrus Clouds Next Topic: Condensation

Cirrus clouds are high-level clouds that occur above 20,000 feet and are composed mainly of ice crystals. They are thin and wispy in appearance.

What do they indicate?
They are often the first sign of an approaching storm.

Next Topic: Condensation