Our Proprietary 10-Day Forecast

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Current warnings over Darien, 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 Darien, 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 Darien, 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 Darien, 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 Darien, 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 Darien, 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 Darien, 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 Darien, 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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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)
Darien, Illinois Climate Summary

Temperature

    •   Average annual temperature: 49.6°F (9.8°C)
    •   Average January temperature: 24.7°F (-4.1°C)
    •   Average July temperature: 74.3°F (23.5°C)
    •   Highest recorded temperature: 105°F (40.6°C) on July 14, 1936
    •   Lowest recorded temperature: -27°F (-32.8°C) on January 20, 1985

Precipitation

    •   Average annual precipitation: 35.9 inches (912 mm)
    •   Average January precipitation: 2.0 inches (51 mm)
    •   Average July precipitation: 4.0 inches (102 mm)
    •   Wettest month: May, with an average of 4.4 inches (112 mm) of precipitation
    •   Driest month: February, with an average of 1.6 inches (41 mm) of precipitation

Snowfall

    •   Average annual snowfall: 35.5 inches (90 cm)
    •   Average January snowfall: 10.2 inches (26 cm)
    •   Average July snowfall: 0.0 inches (0 cm)
    •   Snowiest month: January, with an average of 10.2 inches (26 cm) of snowfall
    •   Least snowy month: July, with an average of 0.0 inches (0 cm) of snowfall

Wind

    •   Average annual wind speed: 10.1 mph (16.3 km/h)
    •   Predominant wind direction: West-southwest

Climate Classification

    •   Darien, Illinois has a humid continental climate, characterized by hot, humid summers and cold, snowy winters.

Additional Information

    •   Darien, Illinois is located in USDA Plant 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).
    •   The growing season in Darien, Illinois typically lasts from mid-April to mid-October, with an average of 180 frost-free days.

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

    •   Darien is home to the Morton Arboretum, an internationally renowned botanical garden with over 4,100 acres of trees and plants.

    •   The East Branch of the DuPage River flows through Darien, providing a habitat for various wildlife species, including deer, coyotes, and birds.

    •   The Darien Park District manages several nature preserves, including the 160-acre Waterfall Glen Forest Preserve, known for its scenic waterfalls and hiking trails.

Personalities

  • Jay Berwanger (1914-2002):

    American football player who won the first Heisman Trophy in 1935. He was born and raised in Darien.

  • Daniel Burnham (1846-1912):

    Architect and urban planner who designed the 1893 World's Columbian Exposition in Chicago. He lived in Darien during his later years.

  • George F. Baer (1842-1914):

    President of the Reading Railroad who played a key role in the 1902 Coal Strike. He owned a large estate in Darien.

    • Tourist Attractions
    1.Brookfield Zoo

    is a world-renowned zoo that is home to over 450 species of animals from around the globe. The zoo is located just a few miles from Darien, and it is a popular destination for families and animal lovers alike.

    2.The Morton Arboretum

    is a 1,700-acre arboretum that is home to over 4,000 species of trees and shrubs. The arboretum is a great place to visit for a walk, a picnic, or a guided tour.

    3.The Cantigny Park

    is a 500-acre park that is home to a variety of attractions, including a golf course, a museum, and a formal garden. The park is a great place to visit for a day of outdoor recreation or relaxation.

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