Our Proprietary 10-Day Forecast

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Current warnings over South Chicago Heights, Illinois
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<p>Warnings from F5Weather</a></div>

United States weather warnings are issued by various organizations under NOAA. Most from the National Weather Service, but also Storm Prediction Center and National Hurricane Center.

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Current radar over South Chicago Heights, Illinois red dot
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<p>Live radar from F5Weather</a></div>

Our radar is based off of US NEXRAD and Canadian weather radar sites through the quality controlled MRMS system. It compiles various sources for radar data and filters out erroneous returns such as sun spikes and ground clutter. We then colorize the precipitation based on our methods for determining precipitation type. Rain is in shades of green, mixed precipitation and freezing rain in shades of pink and snow is in shades of blue.

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Current satellite over South Chicago Heights, Illinois red dot
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<p>Live satellite from F5Weather</a></div>

Our satellite is from the GOES-16. It is color enhanced by using a geocolor terrain background during the day and black marble city lights at night. The daytime satellite data is Visible satellite imagery, and nighttime uses Infrared bands. The bluish clouds are fog and low cloud. The whiteest clouds are the coldest, highest cloud tops.

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Current surface weather map around Cook County, IL

This surface map is from the HRRR computer model. It is a 1-hour forecast, updated hourly, which is a good estimate of the current surface conditions. This map shows the current high and low pressure centers, pressure isobar contours, wind streamlines and thickness contours. It also shows the currently depicted preciptiation estimates, although this should not be a substitute for actual live radar. The purple dashed contour is the 5400m thickness line, which is often a good proxy for the rain/snow line.

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Temperatures right now near South Chicago Heights, Illinois

This is the latest surface temperatures as depicted by the HRRR computer model, updated hourly. Although these are not actual observations, this model is a very good representation of current conditions as it factors in observations, terrain and physics to give you more detailed temperatures in areas that do not have reporting weather stations. For the latest reports at specific locations, like in South Chicago Heights, IL please see our current conditions data on the left and right side of this page, or go to our current conditions page.

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Surface wind speed map over South Chicago Heights, IL

This map shows the latest HRRR computer model winds. This depiction of the current wind directions and speeds is an estimate from the computer model. For actual observations in South Chicago Heights, IL, see the current conditions data on the left and right side of this page, or go to our current conditions page.

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Regional 24 hour rainfall expected near South Chicago Heights, Illinois

This is a forecast of the amount of precipitation expected over the next 24 hours from the HRRR weather forecast model. This is only one forecast depiction, and you should check other models to get a better idea of what may happen. You can view this and other models in more detail on our main weather forecast maps page. There, you will also be able to look at forecasts beyond just 24 hours and look at forecasts out to as far as 16 days.

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Area snowfall accumulation expected around Cook County, Illinois

This is snowfall forecast, with amounts anticipated in the next 24 hours. This guidance is from the HRRR weather model. For more model forecasts out to 16 days, visit our main weather forecast maps page.

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These are Convective Outlooks from the Storm Prediction Center. Click to see Days 1-3 broken down into Tornado, Wind and Hail threats, as well as days 5-8 outlooks.

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Atlantic Hurricane and Tropical Storm Tracking Map
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<p>Hurricane Tracking from F5Weather</a></div>

Our hurricane tracking map monitors for any current or forecast tropical disturbances in the Atlantic. (See our Pacific Hurricane Tracker) Various hurricane models will draw a 'spaghetti plot' in the Atlantic Basin when a disturbance is forecast or exists, showing the system's forecast track. Once a storm has developed, the National Hurricane Center will forecast their official track. This will show up on the map along with the storm's current intensity, track and name. We will also plot some of the storm's vitals and of course the spaghetti plots from the models along with the NHC forecast track will give you an idea of where it's heading, and its forecast intensity with time.

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To view the latest computer models, visit f5wx.com for access to the weather maps and guidance that meteorologists use to make their forecasts.
 
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  • American GFS
  • Canadian GDPS GEM
  • German DWD ICON
  • British MetOffice's UKMET Unified Model
  • American NAM
  • American HRRR
  • American NBM - National Blend of Models
  • GEFS, GEPS, MOGREPS & European Ensembles
  • Probabilities & Averages
  • 3-Ensemble Mean & more!
View Skew-T soundings, textual data tables for your location, and of course maps! Weather forecast maps of the basics like temperature, wind, pressure, humidity, dew point, cloud cover, simulated radar, travel weather, rainfall and snow are available. More advanced users can also get use out of our severe weather & tornado threat maps, as well as upper air & shear graphics.
 
See the latest forecast data as the models update.
 
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Climate Summary
(made with AI, use with caution)
South Chicago Heights, IL Climate Summary

Temperature

    •   Average annual temperature: 50.7°F (10.4°C)
    •   Average daily high temperature: 60.7°F (15.9°C)
    •   Average daily low temperature: 40.7°F (4.8°C)
    •   Record high temperature: 115°F (46.1°C)
    •   Record low temperature: -27°F (-32.8°C)

Precipitation

    •   Average annual precipitation: 36.8 inches (935 mm)
    •   Average number of days with precipitation: 106
    •   Heaviest 24-hour precipitation: 8.5 inches (216 mm)
    •   Snowfall: Average annual snowfall: 30.7 inches (78 cm)
    •   Average number of days with snowfall: 25

Wind

    •   Average wind speed: 10.2 mph (16.4 km/h)
    •   Prevailing wind direction: West

Humidity

    •   Average relative humidity: 70%

Sunshine

    •   Average annual sunshine: 2,460 hours
    •   Average number of sunny days: 200

Climate Type

    •   Humid continental climate (Köppen climate classification: Dfa)

Climate Summary

South Chicago Heights, Illinois has a humid continental climate, with hot, humid summers and cold, snowy winters. The average annual temperature is 50.7°F (10.4°C), with average daily high temperatures ranging from 60.7°F (15.9°C) in July to 30.7°F (-0.7°C) in January. Average daily low temperatures range from 40.7°F (4.8°C) in July to 17.7°F (-7.9°C) in January.

The average annual precipitation is 36.8 inches (935 mm), with the majority of precipitation occurring in the spring and summer months. The average number of days with precipitation is 106, with the most precipitation occurring in May and June. The average annual snowfall is 30.7 inches (78 cm), with the most snowfall occurring in January and February.

The prevailing wind direction is west, and the average wind speed is 10.2 mph (16.4 km/h). The average relative humidity is 70%. The average annual sunshine is 2,460 hours, with the most sunshine occurring in July and August.

South Chicago Heights's climate is influenced by its location in the Midwest, which is characterized by a continental climate. The climate is also influenced by the Great Lakes, which help to moderate temperatures and provide moisture.

Facts & Historical Information
(made with AI, use with caution)
Natural History

  • Prairie Ecosystem:

    South Chicago Heights was once part of the vast prairie ecosystem, home to diverse flora and fauna.

  • Wetlands:

    The area boasts several wetlands, including the Thorn Creek Woods Nature Preserve, providing habitats for various wildlife.

    Science

  • Argonne National Laboratory:

    The nearby Argonne National Laboratory is a world-renowned research facility focusing on nuclear science, energy, and environmental studies.

    Personalities

  • Dr. Charles Drew:

    The renowned blood transfusion pioneer resided in South Chicago Heights during his early life.

  • Dr. Susan La Flesche Picotte:

    The first Native American female physician in the US, she practiced medicine in the area in the late 19th century.

  • Dr. George Washington Carver:

    The celebrated agricultural scientist and inventor had a connection to the region through his work with the Tuskegee Institute.

    • Tourist Attractions
    1.Roosevelt University - South Chicago Campus

    is a private university with a campus in South Chicago Heights. The campus offers a variety of undergraduate and graduate programs, as well as continuing education courses. The campus is home to the Roosevelt University Library, which is one of the largest academic libraries in the Chicago area.

    2.The South Chicago Heights Public Library

    is a public library that serves the residents of South Chicago Heights. The library offers a variety of services, including book lending, computer access, and free Wi-Fi. The library also hosts a variety of events, such as story time for children and book clubs for adults.

    3.The South Chicago Heights Park District

    is a park district that operates a variety of parks and recreation facilities in South Chicago Heights. The park district offers a variety of programs and activities, such as sports leagues, fitness classes, and special events. The park district also maintains a number of parks, including the South Chicago Heights Park, which is home to a playground, a picnic area, and a walking trail.

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