Our Proprietary 10-Day Forecast

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Current warnings over Long Grove, 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 Long Grove, 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 Long Grove, 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 Long Grove, 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 Long Grove, 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 Long Grove, 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 Long Grove, 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 Long Grove, 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)
Long Grove, Illinois Climate Summary

Temperature

    •   Average annual temperature: 48.2°F (9.0°C)
    •   Average January temperature: 26.7°F (-2.9°C)
    •   Average July temperature: 73.3°F (22.9°C)
    •   Highest recorded temperature: 107°F (41.7°C)
    •   Lowest recorded temperature: -31°F (-35°C)

Precipitation

    •   Average annual precipitation: 36.09 inches (91.66 cm)
    •   Average number of rainy days: 111
    •   Average snowfall: 34.3 inches (87.1 cm)
    •   Highest 24-hour snowfall: 14.0 inches (35.6 cm)

Humidity

    •   Average annual relative humidity: 70%
    •   Highest average monthly relative humidity: 81% (January)
    •   Lowest average monthly relative humidity: 59% (April)

Wind

    •   Average annual wind speed: 10.4 mph (16.8 km/h)
    •   Highest average monthly wind speed: 12.4 mph (20.0 km/h) (January)
    •   Lowest average monthly wind speed: 8.9 mph (14.3 km/h) (July)

Climate Classification

    •   Köppen climate classification: Dfa (continental climate, hot summer, no dry season)

Climate Summary

Long Grove, Illinois has a continental climate with hot summers and cold winters. The average annual temperature is 48.2°F (9.0°C), with average January temperatures of 26.7°F (-2.9°C) and average July temperatures of 73.3°F (22.9°C). The highest recorded temperature in Long Grove was 107°F (41.7°C), while the lowest recorded temperature was -31°F (-35°C).

Long Grove receives an average of 36.09 inches (91.66 cm) of precipitation each year, with an average of 111 rainy days. The area also receives an average of 34.3 inches (87.1 cm) of snow each year, with the highest 24-hour snowfall on record being 14.0 inches (35.6 cm).

The average annual relative humidity in Long Grove is 70%, with the highest average monthly relative humidity of 81% occurring in January and the lowest average monthly relative humidity of 59% occurring in April.

The average annual wind speed in Long Grove is 10.4 mph (16.8 km/h), with the highest average monthly wind speed of 12.4 mph (20.0 km/h) occurring in January and the lowest average monthly wind speed of 8.9 mph (14.3 km/h) occurring in July.

Long Grove's climate is classified as Dfa on the Köppen climate classification system, which indicates a continental climate with hot summers and no dry season.

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

    •   Long Grove is home to the Ryerson Woods Conservation Area, a 250-acre preserve with diverse habitats, including wetlands, prairies, and forests.

    •   The area is a haven for wildlife, including deer, coyotes, and over 200 bird species.

Science

    •   The Fermi National Accelerator Laboratory (Fermilab) is located just 10 miles from Long Grove.

    •   Fermilab is a world-renowned particle physics research facility that has made significant contributions to our understanding of the universe.

Personalities

    •   Long Grove was the childhood home of renowned architect Frank Lloyd Wright.

    •   Wright's boyhood home, the Wright Home and Studio, is now a National Historic Landmark and museum.

    •   The village is also home to the Long Grove Historical Society, which preserves the area's rich history.

Tourist Attractions
1.Long Grove Historic Village:

A charming village with quaint shops, restaurants, and a covered bridge.

2.Chicago Botanic Garden:

A world-renowned botanical garden with over 2,300 acres of gardens, exhibits, and nature trails.

3.Six Flags Great America:

A large amusement park with over 100 rides, shows, and attractions.

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