Forecast Details for Oak Lawn, IL

Recent Locations: Carver, MA West Yarmouth, MA Oak Lawn, IL

Current Alerts for Oak Lawn, IL: Air Quality Alert

Tonight: Mostly clear, with a low around 62. East northeast wind around 5 mph becoming calm in the evening.

Sunday: Widespread haze. Patchy smoke. Mostly sunny, with a high near 82. Light northeast wind becoming east 5 to 10 mph in the morning.

Sunday Night: Widespread haze. Patchy smoke. Mostly clear, with a low around 65. East northeast wind around 5 mph, with gusts as high as 10 mph.

Monday: Mostly sunny, with a high near 84. East wind 5 to 10 mph.

Monday Night: Partly cloudy, with a low around 68. East wind around 5 mph.

Tuesday: Mostly sunny, with a high near 85.

Tuesday Night: Partly cloudy, with a low around 69.

Wednesday: Sunny, with a high near 89.

Wednesday Night: Mostly clear, with a low around 70.

Thursday: Mostly sunny, with a high near 90.

Thursday Night: Mostly clear, with a low around 72.

Friday: Mostly sunny, with a high near 90.

Friday Night: Partly cloudy, with a low around 74.

Saturday: Mostly sunny, with a high near 91.

Want more detail? Get the Complete 7 Day and Night Detailed Forecast!

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).

National Weather Forecast--Current

The Current National Weather Forecast and National Weather Map are shown below.

National Weather Forecast for Tomorrow

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

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.

Weather Topic: What are Cirrocumulus Clouds?

Home - Education - Cloud Types - 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

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