Our Proprietary 10-Day Forecast

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Current warnings over Simpsonville, Kentucky
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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 Simpsonville, Kentucky 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 Simpsonville, Kentucky 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 Shelby County, KY

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 Simpsonville, Kentucky

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 Simpsonville, KY 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 Simpsonville, KY

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 Simpsonville, KY, 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 Simpsonville, Kentucky

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 Shelby County, Kentucky

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)
Simpsonville, Kentucky Climate Summary

Temperature

    •   Average annual temperature: 57.7°F (14.3°C)
    •   Average summer temperature: 77.4°F (25.2°C)
    •   Average winter temperature: 37.9°F (3.3°C)
    •   Record high temperature: 114°F (45.6°C)
    •   Record low temperature: -23°F (-30.6°C)

Precipitation

    •   Average annual precipitation: 46.2 inches (117.3 cm)
    •   Average snowfall: 10.2 inches (25.9 cm)
    •   Wettest month: May (5.2 inches or 13.2 cm)
    •   Driest month: October (2.5 inches or 6.4 cm)

Humidity

    •   Average annual relative humidity: 73%
    •   Highest average relative humidity: January (78%)
    •   Lowest average relative humidity: September (67%)

Wind

    •   Average annual wind speed: 9.2 mph (14.8 km/h)
    •   Most frequent wind direction: Southwest
    •   Strongest average wind speed: March (10.3 mph or 16.6 km/h)
    •   Weakest average wind speed: August (8.1 mph or 13 km/h)

Sunshine

    •   Average annual sunshine: 2,550 hours
    •   Sunniest month: July (305 hours)
    •   Cloudiest month: December (157 hours)

Climate Type

    •   Humid subtropical climate (Köppen climate classification: Cfa)

Climate Summary

Simpsonville, Kentucky has a humid subtropical climate with hot, humid summers and mild winters. The average annual temperature is 57.7°F (14.3°C). The average summer temperature is 77.4°F (25.2°C), and the average winter temperature is 37.9°F (3.3°C). The average annual precipitation is 46.2 inches (117.3 cm), with the wettest month being May (5.2 inches or 13.2 cm) and the driest month being October (2.5 inches or 6.4 cm). The average annual relative humidity is 73%, with the highest average relative humidity in January (78%) and the lowest average relative humidity in September (67%). The average annual wind speed is 9.2 mph (14.8 km/h), with the most frequent wind direction being southwest. The average annual sunshine is 2,550 hours, with the sunniest month being July (305 hours) and the cloudiest month being December (157 hours).

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

    •   Simpsonville is home to the Simpsonville Fish Hatchery, Kentucky's only state-operated fish hatchery. It produces over 1 million rainbow trout and brown trout annually.

    •   The area is known for its diverse birdlife, including bald eagles, great blue herons, and wood ducks.

    •   The nearby Kentucky River is a popular spot for fishing, boating, and wildlife viewing.

Science

    •   Simpsonville was the site of the first successful commercial coal mine in Kentucky in 1820.

    •   The town was a hub for the development of the coal industry in the region.

    •   Today, Simpsonville is home to several research and development facilities, including the Kentucky Science and Technology Corporation.

Personalities

    •   Dr. Thomas Walker, a renowned explorer and physician, visited Simpsonville in 1750 and noted its natural beauty.

    •   John C. Breckinridge, a prominent statesman and presidential candidate, was born in Simpsonville in 1821.

    •   The town is named after John Simpson, a local farmer and businessman who played a key role in its early development.

Tourist Attractions
1.Mammoth Cave National Park:

Located just a short drive from Simpsonville, Mammoth Cave is the longest cave system in the world, with over 400 miles of explored passages. Visitors can take guided tours of the cave, ranging from easy walking tours to challenging crawling expeditions.

2.My Old Kentucky Home State Park:

This historic park is home to the Federal Hill mansion, which was built in 1795 and is considered one of the finest examples of Georgian architecture in Kentucky. The park also features a museum, a working farm, and hiking trails.

3.Abraham Lincoln Birthplace National Historical Park:

Located about an hour's drive from Simpsonville, this park commemorates the birthplace of the 16th President of the United States. Visitors can explore the cabin where Lincoln was born, as well as a museum and visitor center.

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