Our Proprietary 10-Day Forecast

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Current warnings over Carterville, 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 Carterville, 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 Carterville, 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 Williamson 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 Carterville, 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 Carterville, 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 Carterville, 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 Carterville, 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 Carterville, 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 Williamson 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)
Carterville, Illinois, experiences a humid continental climate, characterized by warm, humid summers and cold, snowy winters. Here's a summary of the climate data for Carterville:

Temperature

    •   Average Annual Temperature

54.9°F (12.7°C)

    •   Average Summer Temperature (June-August)

76.5°F (24.7°C)

    •   Average Winter Temperature (December-February)

32.7°F (0.4°C)

    •   Record High Temperature

117°F (47.2°C)

    •   Record Low Temperature

-27°F (-32.8°C)

Precipitation

    •   Average Annual Precipitation

42.56 inches (108.1 cm)

    •   Average Monthly Precipitation

Ranges from 2.68 inches (6.8 cm) in February to 4.73 inches (12 cm) in May

    •   Snowfall

Averages 18.1 inches (46 cm) per year

Humidity

    •   Average Annual Humidity

74%

    •   Average Summer Humidity

77%

    •   Average Winter Humidity

70%

Wind

    •   Average Annual Wind Speed

10.2 mph (16.4 km/h)

    •   Prevailing Wind Direction

South-southwest

Climate Extremes

    •   Carterville has experienced extreme weather events, including tornadoes, severe thunderstorms, and heat waves.
    •   The city is located in Tornado Alley, a region of the central United States that experiences frequent tornadoes.
    •   Carterville is also prone to flooding, especially during heavy rainfall events.

Overall, Carterville's climate is typical of the Midwest region, with hot, humid summers and cold, snowy winters.

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

    •   Carterville is located in the Shawnee Hills, a rugged landscape with sandstone cliffs, caves, and waterfalls.

    •   The area is home to diverse wildlife, including white-tailed deer, coyotes, bobcats, and over 200 species of birds.

    •   The Big Muddy River, a major tributary of the Mississippi River, flows through Carterville.

Science

    •   In 1865, the Carterville Coal Mine became the first in Illinois to use a steam-powered hoisting engine.

    •   The city was a center for coal mining in the late 19th and early 20th centuries.

    •   Today, Carterville is home to the John A. Logan College Science Center, which offers programs in STEM fields.

Personalities

  • William Jennings Bryan (1860-1925):

    The famous orator and three-time Democratic presidential candidate was born in Salem, Illinois, just a few miles from Carterville.

  • John A. Logan (1826-1886):

    A Civil War general and U.S. Senator, Logan was instrumental in the founding of John A. Logan College in Carterville.

  • Dr. William M. Scholl (1882-1968):

    The inventor of the Dr. Scholl's footcare products, Scholl was a resident of Carterville and established a factory there in 1912.

    • Tourist Attractions
    1.Giant City State Park

    (10 miles south of Carterville): Known for its towering sandstone bluffs, cascading waterfalls, and scenic hiking trails.

    2.Little Grand Canyon

    (12 miles east of Carterville): A natural gorge with sheer cliffs, waterfalls, and a suspension bridge offering breathtaking views.

    3.Crab Orchard National Wildlife Refuge

    (15 miles north of Carterville): A vast wetland complex with diverse wildlife, including migratory birds, bald eagles, and white-tailed deer.

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