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Current warnings over Herculaneum, Missouri
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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 Herculaneum, Missouri 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 Herculaneum, Missouri 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 Jefferson County, MO

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 Herculaneum, Missouri

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 Herculaneum, MO 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 Herculaneum, MO

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 Herculaneum, MO, 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 Herculaneum, Missouri

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 Jefferson County, Missouri

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)
Herculaneum, Missouri Climate Summary

General Climate

    •   Humid subtropical climate with hot, humid summers and mild winters.
    •   Average annual temperature: 56.7°F (13.7°C)
    •   Average annual precipitation: 39.4 inches (100 cm)

Summer (June-August)

    •   Average high temperatures: 88-92°F (31-33°C)
    •   Average low temperatures: 68-72°F (20-22°C)
    •   High humidity and frequent thunderstorms
    •   Average precipitation: 12.5 inches (32 cm)

Winter (December-February)

    •   Average high temperatures: 38-42°F (3-6°C)
    •   Average low temperatures: 20-24°F (-7 to -4°C)
    •   Occasional snowfall, but typically melts quickly
    •   Average precipitation: 9.5 inches (24 cm)

Spring (March-May)

    •   Average high temperatures: 58-72°F (14-22°C)
    •   Average low temperatures: 38-52°F (3-11°C)
    •   Variable precipitation, with occasional thunderstorms
    •   Average precipitation: 9.7 inches (25 cm)

Fall (September-November)

    •   Average high temperatures: 72-58°F (22-14°C)
    •   Average low temperatures: 52-38°F (11-3°C)
    •   Mild temperatures and decreasing precipitation
    •   Average precipitation: 7.7 inches (20 cm)

Extreme Weather Events

    •   Tornadoes

Herculaneum is located in an area with a moderate risk of tornadoes.

    •   Flooding

The city is prone to flooding during heavy rainfall events.

    •   Heat Waves

Extended periods of high temperatures and humidity can occur during the summer months.

    •   Winter Storms

Occasional ice storms or snowstorms can impact the area during the winter.

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

    •   Herculaneum is located in the Mississippi River Valley, known for its rich fossil beds.

    •   The town was named after the ancient Roman city of Herculaneum, which was buried by a volcanic eruption.

Science

    •   In 1815, the first lead mine in Missouri was discovered in Herculaneum.

    •   The town became a major center for lead mining and smelting, contributing to the development of the American mining industry.

Personalities

  • Daniel Boone:

    The legendary frontiersman lived in Herculaneum for a period of time.

  • John James Audubon:

    The renowned ornithologist visited Herculaneum in 1819 and documented the local birdlife.

  • George Engelmann:

    A prominent botanist and physician, Engelmann was born in Herculaneum in 1809. He made significant contributions to the study of American plants.

    • Tourist Attractions
    Herculaneum is a city in Jefferson County, Missouri, United States. It is part of the St. Louis Metropolitan Statistical Area. The population was 3,923 at the 2020 census.

    There are no major tourist attractions in or near Herculaneum, MO. However, there are a few places that may be of interest to visitors.

    1.Herculaneum Depot Museum

    - This museum is located in the historic Herculaneum Depot, which was built in 1852. The museum features exhibits on the history of Herculaneum and the surrounding area.

    2.Herculaneum Park

    - This park is located on the banks of the Mississippi River. It features a playground, picnic areas, and a walking trail.

    3.Jefferson Barracks National Cemetery

    - This cemetery is located just a few miles from Herculaneum. It is the final resting place for over 100,000 veterans and their families.

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