Forecast Details for Elwin, IL

Recent Locations: Elwin, IL

Overnight: A 20 percent chance of showers. Mostly cloudy, with a low around 55. East wind around 9 mph, with gusts as high as 17 mph.

Monday: A slight chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 9am, then a slight chance of showers after 9am. Mostly cloudy, with a high near 74. East southeast wind around 10 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.

Monday Night: Showers and thunderstorms likely after 4am. Mostly cloudy, with a low around 62. Southeast wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tuesday: Showers and thunderstorms, mainly before 1pm. High near 79. South southeast wind 13 to 18 mph becoming west southwest in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tuesday Night: Mostly clear, with a low around 56. West wind 7 to 13 mph becoming south southeast after midnight. Winds could gust as high as 18 mph.

Wednesday: Showers and thunderstorms likely after 1pm. Mostly sunny, with a high near 79. Southeast wind 8 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

Wednesday Night: A 50 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 55. South southwest wind 14 to 18 mph becoming west after midnight. Winds could gust as high as 28 mph.

Thursday: A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 66. Breezy.

Thursday Night: Partly cloudy, with a low around 47.

Friday: Mostly sunny, with a high near 64.

Friday Night: Partly cloudy, with a low around 47.

Saturday: A chance of showers and thunderstorms. Mostly sunny, with a high near 68.

Saturday Night: Partly cloudy, with a low around 48.

Sunday: Mostly sunny, with a high near 68.

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North America Water Vapor (Moisture)

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Weather Topic: What are Altostratus Clouds?

Home - Education - Cloud Types - Altostratus Clouds

Next Topic: Cirrocumulus Clouds

Altostratus clouds form at mid to high-level altitudes (between 2 and 7 km) and are created by a warm, stable air mass which causes water vapor to condense as it rise through the atmosphere. Usually altostratus clouds are featureless sheets characterized by a uniform color.

In some cases, wind punching through the cloud formation may give it a waved appearance, called altostratus undulatus. Altostratus clouds are commonly seen with other cloud formations accompanying them.

Next Topic: Cirrocumulus Clouds

Weather Topic: What are Cirrostratus Clouds?

Home - Education - Cloud Types - Cirrostratus Clouds

Next Topic: Cirrus Clouds

Cirrostratus clouds are high, thin clouds that form above 20,000 feet and are made mostly of ice crystals. They sometimes look like giant feathers, horse tails, or curls of hair in the sky. These clouds are pushed by the jet stream and can move at high speeds reaching 100 mph.

What do they indicate?
They indicate that a precipitation is likely within 24 hours.

Next Topic: Cirrus Clouds