Our Proprietary 10-Day Forecast

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Current warnings over Winnebago, 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 Winnebago, 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 Winnebago, 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 Winnebago 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 Winnebago, 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 Winnebago, 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 Winnebago, 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 Winnebago, 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 Winnebago, 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 Winnebago 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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  • Canadian GDPS GEM
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  • British MetOffice's UKMET Unified Model
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  • GEFS, GEPS, MOGREPS & European Ensembles
  • Probabilities & Averages
  • 3-Ensemble Mean & more!
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)
Winnebago, Illinois Climate Summary

General Climate

    •   Winnebago, Illinois has a humid continental climate, with hot, humid summers and cold, snowy winters.
    •   The average annual temperature is 50.2°F (10.1°C).
    •   The average annual precipitation is 36.06 inches (91.6 cm).

Summer

    •   The average summer temperature is 72.6°F (22.6°C).
    •   The average high temperature in July is 83.7°F (28.7°C).
    •   The average low temperature in July is 61.5°F (16.4°C).
    •   The average precipitation in July is 3.69 inches (9.4 cm).

Winter

    •   The average winter temperature is 27.8°F (-2.3°C).
    •   The average high temperature in January is 32.2°F (0.1°C).
    •   The average low temperature in January is 23.3°F (-4.8°C).
    •   The average precipitation in January is 2.15 inches (5.5 cm).

Spring and Fall

    •   The average spring temperature is 46.2°F (7.9°C).
    •   The average high temperature in April is 59.4°F (15.2°C).
    •   The average low temperature in April is 33.0°F (0.6°C).
    •   The average precipitation in April is 3.51 inches (8.9 cm).

    •   The average fall temperature is 46.2°F (7.9°C).
    •   The average high temperature in October is 60.8°F (16.0°C).
    •   The average low temperature in October is 31.7°F (-0.2°C).
    •   The average precipitation in October is 2.91 inches (7.4 cm).

Climate Extremes

    •   The highest temperature ever recorded in Winnebago was 110°F (43.3°C) on July 14, 1936.
    •   The lowest temperature ever recorded in Winnebago was -34°F (-36.7°C) on January 20, 1985.
    •   The greatest amount of precipitation ever recorded in a single month in Winnebago was 12.15 inches (30.9 cm) in July 1957.
    •   The greatest amount of snow ever recorded in a single month in Winnebago was 30.0 inches (76.2 cm) in February 1965.

Climate Change

    •   The climate of Winnebago is changing, as it is in the rest of the world.
    •   The average temperature in Winnebago has increased by about 2°F (1.1°C) since the late 19th century.
    •   The number of days with extreme heat has also increased.
    •   The amount of precipitation has also increased, and the frequency of heavy rainfall events has also increased.
    •   These changes are expected to continue in the future, and they are likely to have a significant impact on the environment and the economy of Winnebago.

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

    •   Winnebago is home to the Rock River, a 143-mile-long tributary of the Mississippi River that supports a diverse ecosystem.

    •   The city is located on the edge of the Driftless Area, a region that was not glaciated during the last ice age, resulting in unique geological formations and plant life.

    •   The nearby Kishwaukee River Forest Preserve offers hiking trails through forests, prairies, and wetlands.

Personalities

  • Frank Lloyd Wright:

    The renowned architect designed several homes in Winnebago, including the Dana-Thomas House, a National Historic Landmark.

  • Dr. John Brinkley:

    A controversial physician and radio broadcaster, Brinkley established a medical clinic in Winnebago in the early 20th century.

  • Halley's Comet:

    In 1910, Winnebago was one of the best places in the world to view Halley's Comet, which drew thousands of visitors.

    • Tourist Attractions
    1.Anderson Japanese Gardens

    is a 12-acre Japanese garden located in Rockford, IL, just a short drive from Winnebago. The gardens feature a variety of traditional Japanese elements, including a tea house, a koi pond, and a moon bridge.

    2.Rockford Art Museum

    is home to a collection of over 7,000 works of art, including paintings, sculptures, and drawings. The museum also offers a variety of educational programs and events.

    3.Nicholas Conservatory & Gardens

    is a 10-acre conservatory located in Rockford, IL. The conservatory features a variety of tropical plants and flowers, as well as a butterfly garden and a children's garden.

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