Our Proprietary 10-Day Forecast

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Current warnings over Merrionette Park, 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 Merrionette Park, 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 Merrionette Park, 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 Cook 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 Merrionette Park, 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 Merrionette Park, 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 Merrionette Park, 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 Merrionette Park, 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 Merrionette Park, 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 Cook 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)
Merrionette Park, Illinois has a humid continental climate, with hot, humid summers and cold, snowy winters. The average temperature in July is 77°F (25°C), while the average temperature in January is 24°F (-4°C). The area receives an average of 36 inches (91 cm) of precipitation per year, with the majority of it falling in the spring and summer months.

Summer

Summers in Merrionette Park are typically hot and humid, with average temperatures in the high 70s and low 80s Fahrenheit (mid-20s to low 30s Celsius). The humidity levels can be high, making it feel even hotter. Thunderstorms are common in the summer, and can sometimes be severe.

Winter

Winters in Merrionette Park are typically cold and snowy, with average temperatures in the mid-20s and low 30s Fahrenheit (around -5°C to 0°C). Snowfall is common, with an average of over 20 inches (51 cm) per year. The wind chill can make it feel even colder.

Spring and Fall

Spring and fall are typically mild in Merrionette Park, with average temperatures in the 50s and 60s Fahrenheit (10°C to 20°C). The weather can be variable during these seasons, with periods of warm weather followed by periods of cold weather.

Climate Change

The climate in Merrionette Park is changing, as it is in many parts of the world. The average temperature has been increasing over the past few decades, and the number of extreme weather events, such as heat waves, droughts, and floods, has also been increasing. These changes are expected to continue in the future, and could have a significant impact on the environment and the people who live in the area.

Here is a table summarizing the climate data for Merrionette Park, Illinois:

| Month | Average High (°F) | Average Low (°F) | Average Precipitation (inches) |
|---|---|---|---|
| January | 31 | 17 | 2.0 |
| February | 36 | 21 | 2.1 |
| March | 46 | 29 | 2.8 |
| April | 59 | 40 | 3.2 |
| May | 70 | 50 | 3.9 |
| June | 80 | 60 | 4.2 |
| July | 86 | 66 | 3.7 |
| August | 84 | 64 | 3.2 |
| September | 77 | 56 | 3.0 |
| October | 65 | 44 | 2.5 |
| November | 48 | 32 | 2.2 |
| December | 36 | 22 | 2.1 |

Overall, Merrionette Park has a humid continental climate, with hot, humid summers and cold, snowy winters. The climate is changing, however, and the average temperature is increasing and the number of extreme weather events is increasing as well.

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

    •   Merrionette Park is nestled within the Des Plaines River Valley, a rich ecosystem home to diverse flora and fauna.

    •   The park features the Merrionette Park Nature Preserve, a 12-acre sanctuary protecting native plants, trees, and wildlife.

Science

    •   In 1959, Merrionette Park became home to the Argonne National Laboratory, a renowned research facility dedicated to nuclear science and technology.

    •   Argonne's scientists have made significant contributions to fields such as particle physics, materials science, and environmental research.

Personalities

    •   Dr. Enrico Fermi, the Nobel Prize-winning physicist, lived in Merrionette Park while working at Argonne National Laboratory.

    •   Dr. Rosalyn Yalow, a Nobel Prize-winning physician, also resided in the village and conducted groundbreaking research on hormone assays.

    •   The renowned architect Frank Lloyd Wright designed several homes in Merrionette Park, including the Ward Willits House and the Meyer May House.

Tourist Attractions
1.Brookfield Zoo

(Brookfield, IL): A renowned zoological park featuring over 450 species of animals from around the world, including giant pandas, polar bears, and gorillas.

2.The Field Museum

(Chicago, IL): A world-renowned natural history museum showcasing a vast collection of exhibits on dinosaurs, wildlife, and ancient cultures.

3.Lincoln Park Zoo

(Chicago, IL): A free admission zoo located in Lincoln Park, featuring a diverse array of animals, including lions, tigers, monkeys, and penguins.

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