Our Proprietary 10-Day Forecast

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Current warnings over Prairie 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 Prairie 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 Prairie 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 McHenry 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 Prairie 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 Prairie 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 Prairie 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 Prairie 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 Prairie 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 McHenry 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)
Prairie Grove, Illinois, located in McHenry County, experiences a humid continental climate (Köppen Dfa), characterized by warm, humid summers and cold, snowy winters. Here's a summary of the climate conditions in Prairie Grove:

Temperature


    •   Average annual temperature: 47.6°F (8.7°C)
    •   Average summer temperature (June-August): 72.6°F (22.6°C)
    •   Average winter temperature (December-February): 25.3°F (-3.7°C)
    •   Record high temperature: 109°F (43°C)
    •   Record low temperature: -34°F (-37°C)

Precipitation


    •   Average annual precipitation: 35.04 inches (890 mm)
    •   Average snowfall: 33.8 inches (86 cm)
    •   Precipitation is distributed fairly evenly throughout the year, with slightly higher amounts in the spring and summer months.

Seasons


    •   Summer: Summers in Prairie Grove are warm and humid, with average temperatures in the low 70s°F (22-23°C). July is typically the warmest month, with an average temperature of 75.5°F (24.2°C).
    •   Winter: Winters are cold and snowy, with average temperatures in the mid-20s°F (-3 to -4°C). January is typically the coldest month, with an average temperature of 22.7°F (-5.2°C).
    •   Spring and Fall: Spring and fall are transitional seasons, with temperatures gradually warming up in the spring and cooling down in the fall. April and October are typically the mildest months, with average temperatures in the mid-40s°F (7-8°C).

Climate Variability


    •   Prairie Grove experiences occasional extreme weather events such as heavy snowfall, thunderstorms, and tornadoes.
    •   The area is also susceptible to droughts, particularly during the summer months.
    •   Climate change is expected to bring warmer temperatures and more frequent and intense extreme weather events to the region in the future.

Overall, Prairie Grove, Illinois, has a humid continental climate with warm summers, cold winters, and moderate precipitation throughout the year.

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

    •   Prairie Grove is home to the largest stand of virgin black oak trees in Illinois, known as the Prairie Grove Oak Forest Preserve.

    •   The preserve also boasts a diverse ecosystem, including wetlands, prairies, and woodlands, supporting a variety of wildlife.

Science

    •   The Fermi National Accelerator Laboratory (Fermilab) is located nearby, and Prairie Grove residents have played a role in its scientific advancements.

    •   Fermilab is home to the world's most powerful particle accelerator, the Tevatron, which has made significant contributions to our understanding of the universe.

Personalities

    •   Dr. Robert Wilson, the first director of Fermilab, lived in Prairie Grove. He was instrumental in the design and construction of the Tevatron.

    •   Dr. Leon Lederman, a Nobel Prize-winning physicist, also resided in Prairie Grove and worked at Fermilab. He discovered the bottom quark, a fundamental particle in the Standard Model of physics.

Tourist Attractions
There are no tourist attractions in or near Prairie Grove, IL.

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