Our Proprietary 10-Day Forecast

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Current warnings over Caseyville, 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 Caseyville, 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 Caseyville, 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 St. Clair 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 Caseyville, 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 Caseyville, 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 Caseyville, 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 Caseyville, 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 Caseyville, 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 St. Clair 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)
Caseyville, Illinois Climate Summary

General Climate


Caseyville, Illinois experiences a humid continental climate, characterized by hot, humid summers and cold, dry winters. The city is located in USDA Plant Hardiness Zone 6a, which means that the average annual minimum temperature is between -10 and -5 degrees Fahrenheit.

Temperature


    •   Average Annual Temperature: 53.6°F (12°C)
    •   Average Summer Temperature (June     •   August): 76.1°F (24.5°C)
    •   Average Winter Temperature (December     •   February): 31.2°F (-0.4°C)
    •   Record High Temperature: 117°F (47.2°C)
    •   Record Low Temperature: -26°F (-32.2°C)

Precipitation


    •   Average Annual Precipitation: 41.74 inches (1060 mm)
    •   Average Snowfall: 16.1 inches (41 cm)
    •   Wettest Month: May (4.85 inches or 123 mm)
    •   Driest Month: February (2.07 inches or 53 mm)

Sunshine


    •   Average Annual Sunshine: 2,478 hours
    •   Sunniest Month: July (323 hours)
    •   Cloudiest Month: December (148 hours)

Humidity


    •   Average Annual Relative Humidity: 73%
    •   Most Humid Month: January (78%)
    •   Least Humid Month: September (67%)

Wind


    •   Average Annual Wind Speed: 10.3 mph (16.6 km/h)
    •   Prevailing Wind Direction: South-southwest

Severe Weather


    •   Caseyville is located in an area with a moderate risk of tornadoes, severe thunderstorms, and hail.
    •   The city is also at risk of flooding, especially during heavy rainfall events.

Climate Change


    •   Like many regions around the world, Caseyville is experiencing the effects of climate change.
    •   Average temperatures have been rising, and the city has seen an increase in extreme weather events, such as heat waves, droughts, and heavy rainfall.

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

    •   Caseyville is home to the largest remaining stand of bur oak trees in the United States, known as the Bur Oak Woods Nature Preserve.

    •   The area around Caseyville was once a vast prairie ecosystem, with abundant wildflowers and wildlife.

Science

    •   In 1871, the first successful transcontinental telegraph line passed through Caseyville, connecting the East and West coasts.

    •   Caseyville was a center for coal mining in the late 19th and early 20th centuries, with several mines operating in the area.

Personalities

    •   Caseyville was named after Michael Casey, an Irish immigrant who settled in the area in the 1850s.

    •   The town was home to several notable figures, including:

    •   John M. Palmer, a Civil War general and Illinois governor

    •   William Jennings Bryan, a three-time Democratic presidential candidate

    •   James R. Thompson, Illinois governor from 1977 to 1991

Tourist Attractions
1.Cahokia Mounds State Historic Site

(Collinsville, IL): A UNESCO World Heritage Site, Cahokia Mounds is a vast archaeological site with over 2,000 acres of ancient Native American mounds, plazas, and earthworks.

2.Gateway Arch National Park

(St. Louis, MO): Just across the Mississippi River from Caseyville, the Gateway Arch is a towering monument that symbolizes the westward expansion of the United States. Visitors can take a tram to the top for panoramic views of the city.

3.Saint Louis Zoo

(St. Louis, MO): One of the top-rated zoos in the country, the Saint Louis Zoo is home to over 17,000 animals from around the world. Visitors can see everything from lions and tigers to elephants and penguins.

Nearby Cities:

Fairview Heights, IL
Collinsville, ILWashington Park, IL
Fairmont City, ILAlorton, IL
Centreville, ILSwansea, IL
East Saint Louis, ILMaryville, IL
Pontoon Beach, ILBelleville, IL
Shiloh, ILMadison, IL
Glen Carbon, ILGranite City, IL
Venice, ILMitchell, IL
Springfield, IL
Decatur, ILSaint Charles, MO
Saint Peters, MOFlorissant, MO
Chesterfield, MOJefferson City, MO
Quincy, ILCape Girardeau, MO
Oakville, MOWildwood, MO
Wentzville, MO