Our Proprietary 10-Day Forecast

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Current warnings over Marseilles, 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 Marseilles, 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 Marseilles, 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 La Salle 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 Marseilles, 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 Marseilles, 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 Marseilles, 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 Marseilles, 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 Marseilles, 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 La Salle 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)
Marseilles, IL Climate Summary

Temperature

    •   Average annual temperature: 49.2°F (9.6°C)
    •   Average summer temperature (June-August): 73.2°F (22.9°C)
    •   Average winter temperature (December-February): 26.3°F (-3.2°C)
    •   Record high temperature: 115°F (46.1°C)
    •   Record low temperature: -31°F (-35°C)

Precipitation

    •   Average annual precipitation: 35.4 inches (899 mm)
    •   Average snowfall: 25.5 inches (64.8 cm)
    •   Wettest month: May (4.4 inches or 112 mm)
    •   Driest month: February (1.7 inches or 43 mm)

Climate Type

    •   Humid continental climate (Köppen climate classification: Dfa)

Climate Summary

Marseilles, Illinois has a humid continental climate, with hot, humid summers and cold, snowy winters. The average annual temperature is 49.2°F (9.6°C), with average summer temperatures in the low 70s (°F) and average winter temperatures in the mid-20s (°F). The city receives an average of 35.4 inches (899 mm) of precipitation per year, with the majority of it falling in the spring and summer months. Snowfall is also common in the winter, with an average of 25.5 inches (64.8 cm) per year.

Extreme Weather Events

Marseilles is located in an area that is prone to extreme weather events, such as tornadoes, hailstorms, and floods. The city has also experienced several major droughts in recent years. In 2012, a severe drought caused widespread crop damage and water shortages in the area.

Climate Change

The climate in Marseilles is changing, and the city is experiencing more extreme weather events, such as heat waves, droughts, and floods. The average annual temperature has increased by about 1°F (0.6°C) since the early 20th century, and the city is projected to warm by another 2-4°F (1.1-2.2°C) by the end of the century. The city is also projected to receive more precipitation, with an increase of 5-10% by the end of the century.

Impacts of Climate Change

The changing climate is having a number of impacts on Marseilles and the surrounding area. These impacts include:

    •   More extreme weather events, such as heat waves, droughts, and floods
    •   Increased flooding and erosion
    •   Changes in plant and animal life
    •   Increased risk of disease
    •   Negative impacts on the local economy

Adaptation and Mitigation

The city of Marseilles is working to adapt to the changing climate and mitigate its impacts. These efforts include:

    •   Investing in infrastructure to protect against flooding and erosion
    •   Promoting energy efficiency and renewable energy
    •   Planting trees and other vegetation to help cool the city
    •   Educating the public about climate change and its impacts

The city is also working with other communities in the region to develop a regional climate action plan. This plan will help to coordinate adaptation and mitigation efforts and ensure that the region is prepared for the impacts of climate change.

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

    •   Marseilles is home to the Starved Rock State Park, a renowned natural landmark featuring towering sandstone bluffs and canyons.

    •   The Illinois River, a major waterway, flows through Marseilles, providing habitat for diverse aquatic life.

Science

    •   In 1858, the first oil well in Illinois was drilled in Marseilles, marking a significant milestone in the state's petroleum industry.

    •   The Marseilles Lock and Dam, built in 1930, plays a crucial role in flood control and navigation on the Illinois River.

Personalities

    •   John Deere, the inventor of the steel plow, had a factory in Marseilles from 1848 to 1854.

    •   William \

Tourist Attractions
1.Starved Rock State Park

(20 miles east of Marseilles): Known for its stunning sandstone canyons, waterfalls, and hiking trails.

2.Matthiessen State Park

(30 miles west of Marseilles): Offers scenic hiking trails, waterfalls, and a historic lodge.

3.Illinois & Michigan Canal National Heritage Area

(runs through Marseilles): A historic canal system with towpaths, locks, and interpretive sites.

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