Forecast Details for Hanover Park, IL

Recent Locations: East Petersburg, PA Hanover Park, IL

Current Alerts for Hanover Park, IL: Flood Advisory

Tonight: Showers and thunderstorms likely, mainly before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 72. South southwest wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tuesday: Scattered showers and thunderstorms. Mostly cloudy, with a high near 83. South southwest wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 50%.

Tuesday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 66. West southwest wind 5 to 10 mph becoming northwest after midnight.

Wednesday: Sunny, with a high near 82. North northwest wind around 5 mph, with gusts as high as 10 mph.

Wednesday Night: Mostly clear, with a low around 63. North wind around 5 mph becoming calm in the evening.

Thursday: Sunny, with a high near 84.

Thursday Night: Mostly clear, with a low around 65.

Friday: Sunny, with a high near 89.

Friday Night: Partly cloudy, with a low around 72.

Saturday: Mostly sunny, with a high near 93.

Saturday Night: Partly cloudy, with a low around 72.

Sunday: A chance of showers and thunderstorms. Partly sunny, with a high near 87.

Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 69.

Monday: A chance of showers and thunderstorms. Partly sunny, with a high near 84.

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 is Condensation?

Home - Education - Precipitation - Condensation

Next Topic: Contrails

Condensation is the process which creates clouds, and therefore it is a crucial process in the water cycle. Condensation is the change of matter from a state of gas into a state of liquid, and it happens because water molecules release heat into the atmosphere and become organized into a more closely packed structure, what we might see as water droplets.

Water is always present in the air around us as a vapor, but it's too small for us to see. When water undergoes the process of condensation it becomes organized into visible water droplets. You've probably seen condensation happen before on the surface of a cold drink!

Next Topic: Contrails

Weather Topic: What are Cumulonimbus Clouds?

Home - Education - Cloud Types - Cumulonimbus Clouds

Cumulonimbus Clouds Next Topic: Cumulus Clouds

The final form taken by a growing cumulus cloud is the cumulonimbus cloud, which is very tall and dense. The tower of a cumulonimbus cloud can soar 23 km into the atmosphere, although most commonly they stop growing at an altitude of 6 km.

Even small cumulonimbus clouds appear very large in comparison to other cloud types. They can signal the approach of stormy weather, such as thunderstorms or blizzards.

Next Topic: Cumulus Clouds