Forecast Details for Melrose Park, IL

Recent Locations: Melrose Park, IL  
Today: Mostly sunny, with a high near 25. North northwest wind 5 to 10 mph.
Tonight: Mostly cloudy, with a low around 15. North wind around 5 mph becoming calm.
Sunday: Partly sunny, with a high near 32. South wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Sunday Night: A slight chance of freezing rain after midnight, mixing with drizzle after 3am. Mostly cloudy, with a low around 29. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Monday: A slight chance of drizzle or freezing rain before 9am, then a slight chance of drizzle between 9am and noon, then a chance of rain after noon. Mostly cloudy, with a high near 41. West southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Monday Night: Mostly cloudy, with a low around 29.
Tuesday: Mostly cloudy, with a high near 39.
Tuesday Night: Mostly cloudy, with a low around 32.
Christmas Day: Cloudy, with a high near 41.
Wednesday Night: Cloudy, with a low around 36.
Thursday: Cloudy, with a high near 44.
Thursday Night: A chance of rain. Cloudy, with a low around 39.
Friday: A chance of rain. Mostly cloudy, with a high near 48.

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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

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

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 is Precipitation?

Home - Education - Precipitation - Precipitation

Precipitation Next Topic: Rain

Precipitation can refer to many different forms of water that may fall from clouds. Precipitation occurs after a cloud has become saturated to the point where its water particles are more dense than the air below the cloud.

In most cases, precipitation will reach the ground, but it is not uncommon for precipitation to evaporate before it reaches the earth's surface. When precipitation evaporates before it contacts the ground it is called Virga. Graupel, hail, sleet, rain, drizzle, and snow are forms of precipitation, but fog and mist are not considered precipitation because the water vapor which constitutes them isn't dense enough to fall to the ground.

Next Topic: Rain

Weather Topic: What are Shelf Clouds?

Home - Education - Cloud Types - Shelf Clouds

Shelf Clouds Next Topic: Sleet

A shelf cloud is similar to a wall cloud, but forms at the front of a storm cloud, instead of at the rear, where wall clouds form.

A shelf cloud is caused by a series of events set into motion by the advancing storm; first, cool air settles along the ground where precipitation has just fallen. As the cool air is brought in, the warmer air is displaced, and rises above it, because it is less dense. When the warmer air reaches the bottom of the storm cloud, it begins to cool again, and the resulting condensation is a visible shelf cloud.

Next Topic: Sleet