Our Proprietary 10-Day Forecast

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Current warnings over Round Lake 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 Round Lake 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 Round Lake 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 Lake 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 Round Lake 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 Round Lake 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 Round Lake 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 Round Lake 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 Round Lake 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 Lake 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
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  • American HRRR
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  • 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)
Round Lake Heights, Illinois Climate Summary

General Climate

    •   Round Lake Heights has a humid continental climate, characterized by hot, humid summers and cold, snowy winters.
    •   The city experiences four distinct seasons, with average temperatures ranging from 20°F (-7°C) in January to 75°F (24°C) in July.
    •   Annual precipitation averages around 35 inches (89 cm), with most falling during the spring and summer months.

Summer

    •   Summers in Round Lake Heights are hot and humid, with average temperatures in the mid-70s to low 80s Fahrenheit (24-28°C).
    •   High humidity levels can make the heat feel even more oppressive.
    •   Thunderstorms are common during the summer months, and severe weather, such as tornadoes and hail, can occur.

Winter

    •   Winters in Round Lake Heights are cold and snowy, with average temperatures in the low 20s to mid-30s Fahrenheit (-6 to 2°C).
    •   Snowfall averages around 30 inches (76 cm) per year, and the city can experience occasional blizzards.
    •   Wind chills can make the temperature feel much colder, especially during windy days.

Spring and Fall

    •   Spring and fall in Round Lake Heights are generally mild, with average temperatures in the 40s to 60s Fahrenheit (4-18°C).
    •   These seasons are often characterized by variable weather, with periods of warm and sunny days followed by cooler, rainy spells.

Climate Change

    •   Like many other regions around the world, Round Lake Heights is experiencing the effects of climate change.
    •   Average temperatures have been rising in recent decades, and the city has seen an increase in the frequency and intensity of extreme weather events, such as heat waves, heavy rainfall, and severe storms.

Overall, Round Lake Heights has a humid continental climate with four distinct seasons. Summers are hot and humid, winters are cold and snowy, and spring and fall are generally mild. The city is also experiencing the effects of climate change, with rising temperatures and more frequent extreme weather events.

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

    •   Round Lake Heights lies within the Des Plaines River watershed, home to diverse aquatic ecosystems.

    •   The area was once a vast wetland, with numerous marshes, ponds, and streams.

    •   Today, the Round Lake Area Park District preserves 1,100 acres of natural areas, including wetlands, prairies, and woodlands.

Science

    •   In 1959, the Argonne National Laboratory established a facility in Round Lake Heights to conduct nuclear research.

    •   The lab played a significant role in developing the world's first nuclear reactor and the atomic bomb.

    •   Today, the facility is known as the Argonne National Laboratory-East and continues to conduct cutting-edge scientific research.

Personalities

  • George Beadle:

    Nobel Prize-winning geneticist who conducted groundbreaking research at the Argonne National Laboratory in the 1940s and 1950s.

  • Jack Benny:

    Comedian and actor who had a summer home in Round Lake Heights.

  • Walter Payton:

    NFL Hall of Fame running back who grew up in Round Lake Heights and attended Round Lake High School.

    • Tourist Attractions
    1.Round Lake Beach Historic District:

    A charming area with well-preserved Victorian and Edwardian homes, offering a glimpse into the town's past.

    2.Round Lake Beach Cultural & Civic Center:

    A multi-purpose facility that hosts events, exhibitions, and classes, showcasing the local arts and culture scene.

    3.Round Lake Beach Splash Pad:

    A popular water park for kids and families, featuring interactive water features and a shaded picnic area.

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