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

General Climate

Madison, Illinois has a humid continental climate, characterized by hot, humid summers and cold, dry winters. The city experiences all four seasons, with average temperatures ranging from 29°F in January to 83°F in July.

Temperature

    •   Average annual temperature: 55°F
    •   Average summer temperature (June-August): 77°F
    •   Average winter temperature (December-February): 33°F
    •   Record high temperature: 117°F (July 14, 1954)
    •   Record low temperature: -26°F (January 5, 1999)

Precipitation

    •   Average annual precipitation: 42 inches
    •   Average snowfall: 18 inches
    •   Wettest month: May (4.5 inches)
    •   Driest month: February (2.0 inches)

Severe Weather

Madison, Illinois is located in an area that is prone to severe weather, including tornadoes, hailstorms, and thunderstorms. The city is also at risk for flooding, especially during the spring and summer months.

Climate Change

The climate in Madison, Illinois is changing, as it is in many parts of the world. The average temperature has increased by about 1°F over the past century, and the number of days with extreme heat has also increased. The city is also experiencing more heavy rainfall events, which can lead to flooding.

Overall, Madison, Illinois has a humid continental climate with hot, humid summers and cold, dry winters. The city experiences all four seasons, with average temperatures ranging from 29°F in January to 83°F in July. Madison is also prone to severe weather, including tornadoes, hailstorms, and thunderstorms. The climate in Madison is changing, with the average temperature increasing and the number of days with extreme heat increasing. The city is also experiencing more heavy rainfall events, which can lead to flooding.

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

    •   Madison is home to the largest stand of virgin pine trees in the Midwest, known as the Piney Woods Nature Preserve.

    •   The Mississippi River flows along Madison's eastern border, creating a rich ecosystem for wildlife.

    •   The city is located within the Shawnee Hills, a region known for its rugged terrain and diverse flora and fauna.

Science

    •   Madison is the birthplace of the Nobel Prize-winning chemist, Donald Cram.

    •   The city is home to several research institutions, including the National Institute for Environmental Health Sciences (NIEHS) and the University of Illinois at Urbana-Champaign's Center for Advanced Bioenergy and Bioproducts Innovation (CABBI).

    •   Madison's proximity to St. Louis has fostered a thriving scientific community.

Personalities

    •   The city was founded in 1817 by Captain John Madison, a veteran of the War of 1812.

    •   Madison was a major stop on the Underground Railroad, helping enslaved people escape to freedom.

    •   The city is home to the Madison County Historical Society, which preserves and interprets the area's rich history.

Tourist Attractions
1.Gateway Arch National Park

(St. Louis, MO): This iconic landmark is just a short drive from Madison and offers stunning views of the city and the Mississippi River. You can take a tram to the top of the arch for panoramic views, or explore the museum at the base to learn about the history of the arch and the westward expansion of the United States.

2.Cahokia Mounds State Historic Site

(Collinsville, IL): This UNESCO World Heritage Site is home to the largest prehistoric Native American settlement north of Mexico. You can explore the remains of the city, including earthen mounds, plazas, and a wooden palisade. There is also a museum on site that tells the story of the Cahokia people.

3.Lewis and Clark State Historic Site

(Hartford, IL): This site commemorates the Lewis and Clark Expedition, which set out from St. Louis in 1804 to explore the Louisiana Purchase. You can visit the replica of the keelboat that Lewis and Clark used, as well as a museum that tells the story of their journey.

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