Our Proprietary 10-Day Forecast

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Current warnings over Oswego, 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 Oswego, 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 Oswego, 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 Kendall 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 Oswego, 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 Oswego, 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 Oswego, 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 Oswego, 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 Oswego, 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 Kendall 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)
Oswego, Illinois Climate Summary

General Climate

    •   Oswego, Illinois has a humid continental climate, with hot, humid summers and cold, snowy winters.
    •   The city experiences all four seasons, with average temperatures ranging from 22°F in January to 77°F in July.
    •   Oswego receives an average of 36 inches of precipitation per year, which is evenly distributed throughout the year.

Summer

    •   Summers in Oswego are hot and humid, with average temperatures in the mid-70s to low 80s.
    •   The hottest month is July, with an average temperature of 77°F.
    •   Heat waves are common in the summer, with temperatures sometimes reaching into the 90s or even 100s.
    •   Oswego also experiences occasional thunderstorms in the summer, which can bring heavy rain and strong winds.

Winter

    •   Winters in Oswego are cold and snowy, with average temperatures in the mid-20s to low 30s.
    •   The coldest month is January, with an average temperature of 22°F.
    •   Snowfall is common in the winter, with Oswego receiving an average of 24 inches of snow per year.
    •   Blizzards and ice storms are also possible in the winter, which can cause power outages and travel disruptions.

Spring and Fall

    •   Spring and fall in Oswego are generally mild, with average temperatures in the 40s to 60s.
    •   Spring is a time of transition, with the weather gradually warming up and the snow melting away.
    •   Fall is a time of beautiful colors, as the leaves on the trees change from green to red, orange, and yellow.

Climate Change

    •   The climate in Oswego is changing, as it is in many parts of the world.
    •   The average temperature in Oswego has increased by about 2°F over the past century.
    •   The city is also experiencing more extreme weather events, such as heat waves, droughts, and floods.
    •   Climate change is a serious threat to Oswego and other communities around the world.

Conclusion

Oswego, Illinois has a humid continental climate, with hot, humid summers and cold, snowy winters. The city experiences all four seasons, with average temperatures ranging from 22°F in January to 77°F in July. Oswego receives an average of 36 inches of precipitation per year, which is evenly distributed throughout the year. Climate change is a serious threat to Oswego and other communities around the world.

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

    •   Oswego is home to the largest contiguous oak savanna in Illinois, the Fox River Savanna.

    •   The Fox River flows through the town, providing a habitat for a variety of fish and wildlife.

    •   The Morton Arboretum, a renowned botanical garden, is located just south of Oswego.

Science

    •   Fermi National Accelerator Laboratory (Fermilab), one of the world's leading particle physics research centers, is located in nearby Batavia.

    •   Argonne National Laboratory, a multidisciplinary science and engineering research center, is also nearby.

Personalities

    •   Dr. Enrico Fermi, the physicist who developed the first nuclear reactor, worked at Fermilab.

    •   Dr. James Watson, co-discoverer of the structure of DNA, was raised in Oswego.

    •   John Kramer, the creator of the \

Tourist Attractions
1.Oswego Township Historical Society Museum**

2.Little White School Museum**

3.Fox Valley Winery**

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