Our Proprietary 10-Day Forecast

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

Temperature

    •   Average annual temperature: 52.9°F (11.6°C)
    •   Average January temperature: 29.8°F (-1.2°C)
    •   Average July temperature: 76.6°F (24.8°C)
    •   Record high temperature: 108°F (42.2°C)
    •   Record low temperature: -26°F (-32.2°C)

Precipitation

    •   Average annual precipitation: 38.1 inches (96.8 cm)
    •   Average snowfall: 19.1 inches (48.5 cm)
    •   Number of days with measurable precipitation: 107

Humidity

    •   Average annual relative humidity: 73%

Wind

    •   Average annual wind speed: 10.2 mph (16.4 km/h)

Climate Classification

    •   Humid continental climate (Köppen climate classification: Dfa)

Tornado Activity

    •   Alorton is located in an area with a moderate risk of tornadoes. The average number of tornadoes per year is 1.2.

Severe Weather

    •   Alorton is also located in an area with a moderate risk of severe weather, including thunderstorms, hail, and high winds. The average number of severe weather days per year is 10.

Climate Change

    •   The climate in Alorton is changing, with average temperatures rising and precipitation patterns changing. The average annual temperature has increased by about 1.5°F (0.8°C) since the late 19th century, and the average annual precipitation has decreased by about 5 inches (13 cm). These changes are expected to continue in the future, with average temperatures rising by an additional 2-4°F (1.1-2.2°C) by the end of the century.

Overall

    •   Alorton has a humid continental climate with warm, humid summers and cold, snowy winters. The average annual temperature is 52.9°F (11.6°C), and the average annual precipitation is 38.1 inches (96.8 cm). Alorton is located in an area with a moderate risk of tornadoes and severe weather. The climate in Alorton is changing, with average temperatures rising and precipitation patterns changing.

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

    •   Alorton is home to the Horseshoe Lake State Fish and Wildlife Area, a 1,800-acre wetland known for its diverse birdlife, including bald eagles, great blue herons, and sandhill cranes.

    •   The area is also home to the Alorton Fossil Beds, which contain fossils of ancient plants and animals from the Pennsylvanian period.

Science

    •   In 1942, the Monsanto Chemical Company established a research facility in Alorton. The facility played a significant role in the development of herbicides and other agricultural chemicals.

    •   Today, the site is home to the Monsanto Technology Center, which continues to conduct research and development in the field of biotechnology.

Personalities

  • James \

    • Tourist Attractions
    1.Cahokia Mounds State Historic Site

    (Collinsville, IL): A UNESCO World Heritage Site and the largest prehistoric Native American settlement north of Mexico. Features towering earthen mounds, a museum, and guided tours.

    2.Gateway Arch National Park

    (St. Louis, MO): A 630-foot-tall stainless steel arch that symbolizes the westward expansion of the United States. Offers stunning views from the observation deck and a museum showcasing the region's history.

    3.Saint Louis Zoo

    (St. Louis, MO): One of the oldest and most respected zoos in the country, housing over 17,000 animals from around the world. Features a variety of exhibits, including a penguin and polar bear habitat, a reptile house, and a children's zoo.

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