Our Proprietary 10-Day Forecast

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Current warnings over Coal City, 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 Coal City, 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 Coal City, 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 Grundy 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 Coal City, 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 Coal City, 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 Coal City, 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 Coal City, 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 Coal City, 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 Grundy 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.
 
Get access to:
  • European ECMWF HRES
  • American GFS
  • Canadian GDPS GEM
  • German DWD ICON
  • British MetOffice's UKMET Unified Model
  • American NAM
  • American HRRR
  • American NBM - National Blend of Models
  • 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)
Coal City, Illinois has a humid continental climate, with hot summers and cold winters. The average temperature in July is 75.4°F (24.1°C), while the average temperature in January is 26.7°F (-2.9°C). The highest temperature ever recorded in Coal City was 113°F (45°C) on July 14, 1954, and the lowest temperature ever recorded was -26°F (-32°C) on January 20, 1985.

Coal City receives an average of 37.7 inches (95.8 cm) of precipitation per year, which is fairly evenly distributed throughout the year. However, the city is prone to occasional severe weather, including tornadoes and hailstorms.

Here is a more detailed climate summary for Coal City, Illinois:

    •   Average temperature

51.1°F (10.6°C)

    •   Average annual precipitation

37.7 inches (95.8 cm)

    •   Average snowfall

25.2 inches (64.0 cm)

    •   Number of days with measurable precipitation

106

    •   Average number of days with snow

32

    •   Average number of days with thunderstorms

43

    •   Average number of days with tornadoes

1

Overall, Coal City has a moderate climate with four distinct seasons. The summers are hot and humid, the winters are cold and snowy, and the spring and fall are mild and pleasant.

Facts & Historical Information
(made with AI, use with caution)
Coal City, Illinois, holds a rich natural history and scientific legacy:

  • Coal Mining Heritage:

    Coal City was named for its vast coal deposits, which fueled the town's growth in the late 19th and early 20th centuries. The Braidwood Generating Station, one of the largest coal-fired power plants in the world, is located nearby.

  • Fossil Discoveries:

    The Mazon Creek fossil beds, just west of Coal City, are renowned for their exceptional preservation of ancient plants and animals from the Pennsylvanian period, including giant dragonflies, primitive sharks, and early amphibians.

  • Scientific Research:

    The Fermi National Accelerator Laboratory (Fermilab) is located near Coal City. This world-renowned particle physics research center has made groundbreaking discoveries in subatomic physics, including the discovery of the top quark.

  • Notable Personalities:

    Coal City is the birthplace of Dr. Charles H. Townes, a Nobel laureate in physics for his invention of the laser and maser. Dr. Townes' groundbreaking work has revolutionized fields such as telecommunications, medicine, and astronomy.

    • Tourist Attractions
    1.Midewin National Tallgrass Prairie

    (10 miles south): A vast prairie ecosystem with hiking trails, wildlife viewing, and historical sites.

    2.Gebhard Woods State Park

    (15 miles north): A scenic park with hiking trails, a lake, and a campground.

    3.Joliet Iron Works Historic Site

    (15 miles north): A preserved 19th-century ironworks complex with guided tours and exhibits.

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