Our Proprietary 10-Day Forecast

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Current warnings over Winfield, 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 Winfield, 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 Winfield, 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 DuPage 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 Winfield, 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 Winfield, 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 Winfield, 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 Winfield, 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 Winfield, 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 DuPage 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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  • American GFS
  • Canadian GDPS GEM
  • German DWD ICON
  • British MetOffice's UKMET Unified Model
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  • American HRRR
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  • 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.
 
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Climate Summary
(made with AI, use with caution)
Winfield, Illinois Climate Summary

Temperature

    •   Average annual temperature: 51.1°F (10.6°C)
    •   Average January temperature: 25.6°F (-3.6°C)
    •   Average July temperature: 76.6°F (24.8°C)
    •   Record high temperature: 108°F (42.2°C) set on July 14, 1936
    •   Record low temperature: -32°F (-35.6°C) set on January 20, 1985

Precipitation

    •   Average annual precipitation: 36.2 inches (919.5 mm)
    •   Average number of days with precipitation: 104
    •   Heaviest 24-hour precipitation: 7.5 inches (190.5 mm) set on September 14, 2008
    •   Driest month: February, with an average of 1.7 inches (43.2 mm) of precipitation
    •   Wettest month: June, with an average of 4.5 inches (114.3 mm) of precipitation

Snowfall

    •   Average annual snowfall: 32.5 inches (82.6 cm)
    •   Average number of days with snowfall: 25
    •   Heaviest 24-hour snowfall: 16.0 inches (40.6 cm) set on January 2, 1999

Climate Classification

    •   Köppen climate classification: Dfa (hot summer continental climate)

Additional Climate Information

    •   Winfield, Illinois has a humid continental climate, with hot summers and cold winters.
    •   The hottest months are July and August, with average temperatures in the mid-70s to low 80s Fahrenheit (24-28°C).
    •   The coldest months are January and February, with average temperatures in the mid-20s to low 30s Fahrenheit (-3 to 0°C).
    •   Winfield, Illinois receives an average of 36.2 inches (919.5 mm) of precipitation each year, which is fairly evenly distributed throughout the year.
    •   The area experiences an average of 32.5 inches (82.6 cm) of snowfall each year.
    •   Winfield, Illinois is located in USDA Hardiness Zone 5b, which means that the average annual minimum temperature is between -15°F and -10°F (-26.1°C and -23.3°C).

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

    •   Winfield's location on the DuPage River and its tributaries provided abundant water and wildlife for Native American tribes.

    •   The area was once home to vast prairies, oak savannas, and wetlands, supporting a diverse ecosystem.

    •   The DuPage River is a designated National Wild and Scenic River, recognized for its scenic beauty and ecological importance.

Science

    •   Winfield is home to the Fermi National Accelerator Laboratory (Fermilab), one of the world's leading particle physics research centers.

    •   Fermilab's Tevatron particle accelerator was the largest and most powerful in the world until 2010.

    •   Scientists at Fermilab have made significant contributions to our understanding of the universe, including the discovery of the top quark.

Personalities

    •   Winfield was the birthplace of the renowned architect, Frank Lloyd Wright (1867-1959).

    •   Wright designed several homes in Winfield, including the Dana-Thomas House, which is a National Historic Landmark.

    •   Other notable figures associated with Winfield include inventor John Deere and politician Adlai Stevenson.

Tourist Attractions
1. Cantigny Park: A 500-acre park with a golf course, gardens, a museum, and a butterfly house.

2. The Morton Arboretum: A 1,700-acre arboretum with over 4,000 species of trees and shrubs.

3. The Brookfield Zoo: A 216-acre zoo with over 450 species of animals.

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