Our Proprietary 10-Day Forecast

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Current warnings over Lake Forest, 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 Lake Forest, 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 Lake Forest, 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 Lake Forest, 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 Lake Forest, 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 Lake Forest, 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 Lake Forest, 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 Lake Forest, 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.
 
Get access to:
  • European ECMWF HRES
  • 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)
Lake Forest, IL Climate Summary

General Climate

    •   Type

Continental climate, characterized by warm, humid summers and cold, snowy winters.

    •   Average Annual Temperature

48.9°F (9.4°C)

    •   Average Annual Precipitation

34.7 inches (88.1 cm)

    •   Average Annual Snowfall

37.1 inches (94.2 cm)

Seasonal Climate

Spring (March-May)

    •   Average Temperature

46.2°F (7.9°C)

    •   Average Precipitation

10.1 inches (25.7 cm)

    •   Average Snowfall

6.4 inches (16.3 cm)

    •   General Weather

Spring in Lake Forest is typically mild and wet, with occasional snowfall early in the season. Temperatures gradually increase as the season progresses, and the days become longer.

Summer (June-August)

    •   Average Temperature

72.4°F (22.4°C)

    •   Average Precipitation

10.6 inches (26.9 cm)

    •   Average Snowfall

0 inches (0 cm)

    •   General Weather

Summers in Lake Forest are typically warm and humid, with occasional thunderstorms. Temperatures often reach into the 80s and 90s Fahrenheit (26-35°C), and the humidity can make it feel even hotter.

Autumn (September-November)

    •   Average Temperature

52.8°F (11.6°C)

    •   Average Precipitation

8.3 inches (21.1 cm)

    •   Average Snowfall

0.6 inches (1.5 cm)

    •   General Weather

Autumn in Lake Forest is typically mild and dry, with occasional periods of rain or snow. Temperatures gradually decrease as the season progresses, and the days become shorter.

Winter (December-February)

    •   Average Temperature

29.1°F (-1.6°C)

    •   Average Precipitation

5.7 inches (14.5 cm)

    •   Average Snowfall

20.1 inches (51.1 cm)

    •   General Weather

Winters in Lake Forest are typically cold and snowy, with occasional periods of rain or sleet. Temperatures often drop below freezing, and the wind chill can make it feel even colder. Snowfall is common, and the snow can accumulate quickly.

Climate Variability

    •   Lake Forest's climate is influenced by its location in the Midwest, which is known for its variable weather patterns.
    •   The city is also located near Lake Michigan, which can have a moderating effect on temperatures, especially during the summer months.
    •   Climate change is also affecting Lake Forest's climate, leading to more extreme weather events, such as heat waves, droughts, and floods.

Overall, Lake Forest, IL has a continental climate with warm, humid summers and cold, snowy winters. The city experiences all four seasons, with mild spring and autumn periods.

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

    •   Lake Forest is home to the Lake Forest Open Lands Association, which preserves over 1,000 acres of natural habitat, including prairies, wetlands, and woodlands.

    •   The Ravine Bluff Woods Nature Preserve features a 120-foot bluff overlooking a ravine, showcasing diverse plant and animal life.

Science

    •   Lake Forest College is a renowned liberal arts institution with a strong focus on science.

    •   The college's Searle Center for the Science of Learning is dedicated to advancing research and innovation in education and cognitive science.

Personalities

    •   Architect Howard Van Doren Shaw designed many of Lake Forest's iconic homes and buildings, including the Gorton Community Center.

    •   Writer Booth Tarkington, author of \

Tourist Attractions
1.Chicago Botanic Garden

Located just a few miles from Lake Forest, this world-renowned botanical garden features over 385 acres of stunning gardens, natural areas, and exhibitions.

2.Six Flags Great America

A thrilling amusement park with over 100 rides, shows, and attractions for all ages. It is located about 20 minutes from Lake Forest.

3.Ravenswood Historic Site

A historic estate and museum that offers a glimpse into the life of the McCormick family, who played a significant role in Chicago's history. It is located in nearby Glencoe, just a short drive from Lake Forest.

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