Our Proprietary 10-Day Forecast

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Current warnings over Round Lake Beach, 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 Beach, 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 Beach, 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 Beach, 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 Beach, 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 Beach, 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 Beach, 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 Beach, 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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  • 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.
 
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Climate Summary
(made with AI, use with caution)
Climate Summary for Round Lake Beach, IL

General Climate


Round Lake Beach, Illinois has a humid continental climate, characterized by hot, humid summers and cold, snowy winters. The city experiences four distinct seasons, with spring and fall serving as transitional periods between the extreme temperatures of summer and winter.

Average Temperatures


    •   Summer (June     •   August): Average high temperatures range from 80°F (26.7°C) to 85°F (29.4°C), while average low temperatures hover around 60°F (15.6°C) to 65°F (18.3°C).
    •   Winter (December     •   February): Average high temperatures range from 30°F (-1.1°C) to 35°F (1.7°C), while average low temperatures drop to 15°F (-9.4°C) to 20°F (-6.7°C).
    •   Spring (March     •   May): Average high temperatures rise from 45°F (7.2°C) in March to 70°F (21.1°C) in May, while average low temperatures range from 25°F (-3.9°C) to 50°F (10°C).
    •   Fall (September     •   November): Average high temperatures decrease from 75°F (23.9°C) in September to 45°F (7.2°C) in November, while average low temperatures fall from 55°F (12.8°C) to 30°F (-1.1°C).

Precipitation


    •   Annual Precipitation: Round Lake Beach receives an average of 35 inches (889 mm) of precipitation per year, distributed fairly evenly throughout the year.
    •   Snowfall: The city experiences an average of 33 inches (83.8 cm) of snowfall annually, with the heaviest snowfall occurring between December and February.

Humidity


    •   Humidity levels are generally high throughout the year, with average relative humidity ranging from 65% to 80%.

Wind


    •   Prevailing Winds: The prevailing wind direction in Round Lake Beach is from the west-southwest.
    •   Wind Speed: Average wind speeds range from 10 to 15 miles per hour (16 to 24 kilometers per hour).

Severe Weather


    •   Tornadoes: Round Lake Beach is located in an area with a moderate risk of tornadoes, with the highest risk occurring during the spring and summer months.
    •   Thunderstorms: Thunderstorms are common during the summer months, often accompanied by heavy rain, lightning, and hail.
    •   Winter Storms: Blizzards and ice storms can occur during the winter months, causing hazardous driving conditions and power outages.

Overall, Round Lake Beach's climate is characterized by hot, humid summers, cold, snowy winters, and moderate precipitation throughout the year. Residents experience all four seasons, with distinct changes in temperature and weather patterns.

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

    •   Round Lake Beach is home to the Round Lake Marsh, a 1,200-acre wetland complex that provides habitat for diverse wildlife, including migratory birds, amphibians, and reptiles.

    •   The marsh is part of the Des Plaines River watershed and plays a crucial role in flood control and water filtration.

Science

    •   The Fermi National Accelerator Laboratory (Fermilab) is located just west of Round Lake Beach. It is one of the world's leading centers for particle physics research and has made significant contributions to our understanding of the universe.

Personalities

    •   John Bardeen, a Nobel Prize-winning physicist, lived in Round Lake Beach from 1945 to 1951. He co-invented the transistor, a fundamental component of modern electronics.

    •   Ray Bradbury, the renowned science fiction author, lived in Round Lake Beach from 1953 to 1957. His classic novel \

Tourist Attractions
1.Six Flags Great America

is a large theme park located in Gurnee, Illinois, just a short drive from Round Lake Beach. The park features over 100 rides, shows, and attractions, including roller coasters, water slides, and live entertainment.

2.Lake County Discovery Museum

is a children's museum located in Wauconda, Illinois, about 10 miles from Round Lake Beach. The museum features interactive exhibits on science, technology, engineering, and math, as well as a planetarium and a live animal exhibit.

3.Chicago Botanic Garden

is a botanical garden located in Glencoe, Illinois, about 20 miles from Round Lake Beach. The garden features over 2,000 acres of gardens, including formal gardens, natural areas, and a Japanese garden.

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