Our Proprietary 10-Day Forecast

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Current warnings over Sparta, 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 Sparta, 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 Sparta, 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 Randolph 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 Sparta, 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 Sparta, 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 Sparta, 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 Sparta, 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 Sparta, 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 Randolph 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)
Sparta, Illinois Climate Summary

General Climate

Sparta, Illinois has a humid continental climate, characterized by hot, humid summers and cold, dry winters. The city experiences all four seasons, with distinct changes in temperature and precipitation throughout the year.

Temperature

The average annual temperature in Sparta is 53.1°F (11.7°C). The warmest month is July, with an average temperature of 77.6°F (25.3°C), and the coldest month is January, with an average temperature of 29.6°F (-1.3°C).

Precipitation

Sparta receives an average of 42.5 inches (108 centimeters) of precipitation per year, which is fairly evenly distributed throughout the year. The wettest month is May, with an average of 4.5 inches (11.4 centimeters) of rain, and the driest month is February, with an average of 2.2 inches (5.6 centimeters) of rain.

Snowfall

Sparta receives an average of 19.6 inches (49.8 centimeters) of snow per year. The snowiest month is January, with an average of 6.9 inches (17.5 centimeters) of snow.

Wind

The prevailing wind direction in Sparta is from the south-southwest. The average wind speed is 10.2 miles per hour (16.4 kilometers per hour).

Sunshine

Sparta receives an average of 2,500 hours of sunshine per year. The sunniest month is July, with an average of 310 hours of sunshine, and the cloudiest month is December, with an average of 160 hours of sunshine.

Climate Change

The climate in Sparta is changing, as it is in many parts of the world. The average temperature has increased by about 1.5°F (0.8°C) since the late 19th century, and the amount of precipitation has increased by about 5% in the same time period. These changes are expected to continue in the future, with the average temperature increasing by another 2-4°F (1.1-2.2°C) by the end of the century.

Overall

Sparta, Illinois has a humid continental climate with hot, humid summers and cold, dry winters. The city receives an average of 42.5 inches of precipitation per year, which is fairly evenly distributed throughout the year. Sparta also receives an average of 19.6 inches of snow per year. The climate in Sparta is changing, with the average temperature increasing and the amount of precipitation increasing.

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

    •   Sparta is located in the Shawnee Hills, a region known for its rugged terrain, diverse flora, and abundant wildlife.

    •   The Big Muddy River flows through Sparta, providing a habitat for various aquatic species.

    •   The area around Sparta is home to numerous caves, including the Sparta Cave, which features impressive stalactites and stalagmites.

Science

    •   Sparta is the birthplace of Dr. Charles H. Mayo, one of the founders of the Mayo Clinic.

    •   The city is home to the Randolph County Museum, which houses exhibits on local history, natural history, and science.

Personalities

    •   In addition to Dr. Mayo, Sparta has produced several notable figures, including:

    •   William Henry Harrison, the 9th President of the United States

    •   John A. Logan, a Civil War general and politician

    •   Adlai Stevenson II, a former Governor of Illinois and Democratic presidential candidate

Tourist Attractions
1.Fort de Chartres State Historic Site:

This 18th-century French fort is located just outside of Sparta and offers a glimpse into the region's colonial history. Visitors can explore the reconstructed fort, learn about its role in the French and Indian War, and enjoy scenic views of the Mississippi River.

2.Randolph County Museum:

This museum in Sparta showcases the history and culture of Randolph County. Visitors can learn about the county's Native American, pioneer, and industrial heritage through exhibits on local history, agriculture, and industry.

3.Sparta Community Park:

This 50-acre park in Sparta offers a variety of recreational activities for visitors of all ages. The park features a playground, picnic areas, a walking trail, and a fishing pond.

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