Forecast Details for Chicago, IL

Recent Locations: New York City, NY Melbourne Airport, 07 Chicago, IL

Current Alerts for Chicago, IL: Hydrologic Outlook

Tonight: Mostly cloudy, with a low around 40. North northeast wind 5 to 10 mph, with gusts as high as 15 mph.

Friday: A 40 percent chance of showers, mainly after 4pm. Mostly cloudy, with a high near 45. East northeast wind 10 to 15 mph.

Friday Night: Showers before 10pm, then showers and possibly a thunderstorm between 10pm and 4am, then showers after 4am. Low around 40. Northeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Saturday: A 40 percent chance of showers. Cloudy, with a high near 49. North wind around 15 mph, with gusts as high as 20 mph.

Saturday Night: A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 36. North wind 10 to 15 mph.

Sunday: Mostly sunny, with a high near 43.

Sunday Night: Partly cloudy, with a low around 36.

Monday: A chance of rain and snow showers before 1pm, then a chance of snow showers. Partly sunny, with a high near 40.

Monday Night: Partly cloudy, with a low around 28.

Tuesday: Sunny, with a high near 41.

Tuesday Night: Mostly clear, with a low around 33.

Wednesday: Mostly sunny, with a high near 52.

Wednesday Night: A chance of showers. Mostly cloudy, with a low around 42.

Thursday: A chance of showers. Partly sunny, with a high near 60.

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 Stratus Clouds?

Home - Education - Cloud Types - Stratus Clouds

Next Topic: Wall Clouds

Stratus clouds are similar to altostratus clouds, but form at a lower altitude and are identified by their fog-like appearance, lacking the distinguishing features of most clouds.

Stratus clouds are wider than most clouds, and their base has a smooth, uniform look which is lighter in color than a nimbostratus cloud. The presence of a stratus cloud indicates the possibility of minor precipitation, such as drizzle, but heavier precipitation does not typically arrive in the form of a stratus cloud.

Next Topic: Wall Clouds

Weather Topic: What are Altocumulus Clouds?

Home - Education - Cloud Types - Altocumulus Clouds

Next Topic: Altostratus Clouds

Similar to cirrocumulus clouds, altocumulus clouds are characterized by cloud patches. They are distinguished by larger cloudlets than cirrocumulus clouds but are still smaller than stratocumulus clouds.

Altocumulus clouds most commonly form in middle altitudes (between 2 and 5 km) and may resemble, at times, the shape of a flying saucer. These uncommon formations, called altocumulus lenticularis, are created by uplift in the atmosphere and are most often seen in close proximity to mountains.

Next Topic: Altostratus Clouds