Our Proprietary 10-Day Forecast

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Current warnings over Forest Lake, 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 Forest Lake, 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 Forest Lake, 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 Forest Lake, 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 Forest Lake, 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 Forest Lake, 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 Forest Lake, 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 Forest Lake, 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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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)
Forest Lake, IL Climate Summary

General Climate

    •   Forest Lake, IL has a humid continental climate, with hot, humid summers and cold, snowy winters.
    •   The average annual temperature is 49.5°F (9.7°C).
    •   The average annual precipitation is 35.2 inches (894 mm).

Summer

    •   The average summer temperature is 75.2°F (24°C).
    •   The average high temperature in July is 84.9°F (29.4°C).
    •   The average low temperature in July is 65.4°F (18.6°C).
    •   The average summer precipitation is 10.6 inches (269 mm).

Winter

    •   The average winter temperature is 23.8°F (-4.6°C).
    •   The average high temperature in January is 32.2°F (0.1°C).
    •   The average low temperature in January is 15.3°F (-9.3°C).
    •   The average winter precipitation is 7.6 inches (193 mm).

Spring and Fall

    •   The average spring temperature is 47.1°F (8.4°C).
    •   The average high temperature in April is 58.7°F (14.8°C).
    •   The average low temperature in April is 35.5°F (1.9°C).
    •   The average spring precipitation is 7.9 inches (201 mm).

    •   The average fall temperature is 47.3°F (8.5°C).
    •   The average high temperature in October is 62.6°F (17°C).
    •   The average low temperature in October is 31.9°F (-0.1°C).
    •   The average fall precipitation is 9.1 inches (231 mm).

Climate Extremes

    •   The highest temperature ever recorded in Forest Lake, IL was 111°F (44°C) on July 14, 1936.
    •   The lowest temperature ever recorded in Forest Lake, IL was -32°F (-35.6°C) on January 20, 1985.
    •   The greatest amount of precipitation ever recorded in a single month in Forest Lake, IL was 15.2 inches (386 mm) in September 2008.
    •   The greatest amount of snow ever recorded in a single month in Forest Lake, IL was 36.0 inches (914 mm) in February 2011.

Climate Change

    •   The climate of Forest Lake, IL is changing. The average annual temperature has increased by 1.8°F (1°C) since 1895.
    •   The average annual precipitation has increased by 5.1 inches (130 mm) since 1895.
    •   The number of days with temperatures above 90°F (32°C) has increased by 10 days since 1895.
    •   The number of days with temperatures below 32°F (0°C) has decreased by 12 days since 1895.

Climate Impacts

    •   The changing climate is having a number of impacts on Forest Lake, IL, including:
    •   More extreme weather events, such as heat waves, droughts, and floods.
    •   Changes in plant and animal life.
    •   Increased flooding and erosion.
    •   Changes in water quality.
    •   Increased health risks, such as heat stroke and respiratory problems.

Adaptation and Mitigation

    •   The community of Forest Lake, IL is taking steps to adapt to and mitigate the impacts of climate change, including:
    •   Investing in energy efficiency and renewable energy.
    •   Planting trees and other vegetation to help reduce heat island effects.
    •   Improving stormwater management to reduce flooding and erosion.
    •   Educating the public about climate change and its impacts.

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

    •   Forest Lake, IL, is home to the largest remaining oak savanna in Lake County. Oak savannas are a rare and endangered ecosystem characterized by open grasslands with scattered oak trees.

    •   The lake itself is a glacial lake formed during the Wisconsin glaciation. It is the deepest lake in Lake County, with a maximum depth of 65 feet.

    •   Forest Lake is a popular spot for birdwatching, as it is home to a variety of migratory and resident bird species.

Science

    •   Forest Lake is part of the Forest Preserve District of Lake County, which is dedicated to preserving and protecting the natural resources of the county.

    •   The district has been conducting scientific research on the oak savanna ecosystem for over 20 years. This research has helped to inform management practices and protect this unique habitat.

Personalities

    •   Forest Lake is named after the Forest family, who were early settlers in the area.

    •   The lake was a popular summer resort in the late 19th and early 20th centuries. One of its most famous visitors was President William Howard Taft, who visited the lake in 1910.

Tourist Attractions
1.Chain O'Lakes State Park:

A sprawling park with 7,000 acres of land and 14 lakes, offering opportunities for boating, fishing, swimming, hiking, and camping.

2.Wilmot Mountain:

A ski resort with 23 trails and 8 lifts, offering skiing, snowboarding, tubing, and snowshoeing in the winter, and zip-lining, mountain biking, and hiking in the summer.

3.Six Flags Great America:

A large amusement park with over 100 rides, shows, and attractions, including roller coasters, water rides, and live entertainment.

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