Forecast Details for South Holland, IL

Recent Locations: South Holland, IL  
Today: Cloudy through mid morning, then gradual clearing, with a high near 51. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Tonight: Partly cloudy, with a low around 35. West northwest wind around 5 mph becoming northeast in the evening.
Friday: Mostly sunny, with a high near 56. East wind 5 to 10 mph.
Friday Night: Showers, with thunderstorms also possible after 10pm. Low around 45. East northeast wind 5 to 10 mph becoming south southwest after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 80%.
Saturday: A slight chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 1pm. Partly sunny, with a high near 60. West southwest wind around 10 mph becoming northwest in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 20%.
Saturday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 38.
Sunday: A 40 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 52.
Sunday Night: Showers. Mostly cloudy, with a low around 44.
Monday: Showers. Mostly cloudy, with a high near 55.
Monday Night: Showers and possibly a thunderstorm. Mostly cloudy, with a low around 41.
Tuesday: A chance of showers. Mostly cloudy, with a high near 48. Breezy.
Tuesday Night: Partly cloudy, with a low around 34.
Wednesday: Mostly sunny, with a high near 50.

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Current U.S. National Radar--Current

The Current National Weather Radar is shown below with a UTC Time (subtract 5 hours from UTC to get Eastern Time).

Current U.S. National Radar

National Weather Forecast--Current

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Today's National Weather Map

National Weather Forecast for Tomorrow

Tomorrow National Weather Forecast and Tomorrow National Weather Map are show below.

Tomorrows National Weather Map

North America Water Vapor (Moisture)

This map shows recent moisture content over North America. Bright and colored areas show high moisture (ie, clouds); brown indicates very little moisture present; black indicates no moisture.

North American Water Vapor Map

Weather Topic: What are Nimbostratus Clouds?

Home - Education - Cloud Types - Nimbostratus Clouds

Nimbostratus Clouds Next Topic: Precipitation

A nimbostratus cloud is similar to a stratus cloud in its formless, smooth appearance. However, a nimbostratus cloud is darker than a stratus cloud, because it is thicker.

Unlike a stratus cloud, a nimbostratus cloud typically brings with it the threat of moderate to heavy precipitation. In some cases, the precipitation may evaporate before reaching the ground, a phenomenon known as virga.

Next Topic: Precipitation

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