Our Proprietary 10-Day Forecast

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Current warnings over Speedway, Indiana
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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 Speedway, Indiana 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 Speedway, Indiana 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 Marion County, IN

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 Speedway, Indiana

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 Speedway, IN 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 Speedway, IN

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 Speedway, IN, 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 Speedway, Indiana

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 Marion County, Indiana

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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  • 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)
Speedway, Indiana Climate Summary

Average Temperature

    •   January: 28°F (-2°C)
    •   April: 50°F (10°C)
    •   July: 75°F (24°C)
    •   October: 54°F (12°C)

Average Precipitation

    •   January: 2.5 inches (6.4 cm)
    •   April: 3.5 inches (8.9 cm)
    •   July: 4.0 inches (10.2 cm)
    •   October: 2.8 inches (7.1 cm)

Average Snowfall

    •   January: 8.0 inches (20.3 cm)
    •   April: 2.0 inches (5.1 cm)
    •   July: 0.0 inches (0.0 cm)
    •   October: 0.5 inches (1.3 cm)

Climate Type

Speedway, Indiana has a humid continental climate, characterized by hot, humid summers and cold, snowy winters. The city experiences all four seasons, with spring and fall being mild and transitional.

Summer

Summers in Speedway are hot and humid, with average temperatures in the mid-70s to low 80s Fahrenheit (24-28°C). The humidity can make it feel even hotter, and heat waves are not uncommon. Thunderstorms are also common in the summer, and can sometimes produce severe weather, such as hail and tornadoes.

Winter

Winters in Speedway are cold and snowy, with average temperatures in the mid-20s to low 30s Fahrenheit (-3 to 0°C). The city receives an average of 25 inches (63.5 cm) of snow per year, and snowstorms can sometimes cause travel disruptions. Wind chills can make it feel even colder, and it is important to dress in layers when going outdoors.

Spring and Fall

Spring and fall in Speedway are mild and transitional, with average temperatures in the 40s to 60s Fahrenheit (4-18°C). These seasons are generally pleasant, with less humidity and fewer extremes in temperature. However, it is important to be prepared for sudden changes in weather, as cold fronts can sometimes bring cold and windy conditions.

Overall

Speedway, Indiana has a humid continental climate, with hot, humid summers and cold, snowy winters. The city experiences all four seasons, with spring and fall being mild and transitional. It is important to be prepared for extreme weather conditions, such as heat waves, thunderstorms, and snowstorms.

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

    •   Speedway is home to the Indianapolis Motor Speedway, the world's largest sporting facility and the site of the Indianapolis 500.

    •   The area was once a vast wetland known as the Big Swamp, drained in the 19th century to create farmland.

    •   The Speedway Marsh, a remnant of the Big Swamp, is a designated Important Bird Area and provides habitat for numerous migratory birds.

Science

    •   The Purdue University Airport is located in Speedway and serves as a research facility for the university's aviation and aerospace programs.

    •   The Indiana University School of Medicine has a research campus in Speedway, focusing on medical informatics and bioinformatics.

Personalities

    •   Wilbur Wright, co-inventor of the airplane, lived in Speedway for a time and tested his early aircraft at the Indianapolis Motor Speedway.

    •   Tony Hulman, owner of the Indianapolis Motor Speedway from 1945-1977, was a prominent businessman and philanthropist who played a key role in the development of Speedway.

    •   A.J. Foyt, four-time Indianapolis 500 winner, was born and raised in Speedway and is considered one of the greatest race car drivers of all time.

Tourist Attractions
1. Indianapolis Motor Speedway

2. Indianapolis Zoo

3. Conner Prairie Interactive History Park

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