Our Proprietary 10-Day Forecast

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Current warnings over Grayson, 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 Grayson, 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 Grayson, 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 Carter 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 Grayson, 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 Grayson, 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 Grayson, 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 Grayson, 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 Grayson, 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 Carter 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)
Grayson, Kentucky Climate Summary

Temperature

    •   Average annual temperature: 57.4°F (14.1°C)
    •   Average daily maximum temperature: 65.9°F (18.8°C)
    •   Average daily minimum temperature: 48.9°F (9.4°C)
    •   Record highest temperature: 107°F (41.7°C) on July 27, 1930
    •   Record lowest temperature: -25°F (-31.7°C) on January 21, 1994

Precipitation

    •   Average annual precipitation: 45.2 inches (114.8 cm)
    •   Average number of days with precipitation: 120
    •   Record highest 24-hour precipitation: 10.6 inches (26.9 cm) on July 12, 1995
    •   Record highest monthly precipitation: 19.4 inches (49.3 cm) in July 1995

Snowfall

    •   Average annual snowfall: 13.1 inches (33.3 cm)
    •   Record highest 24-hour snowfall: 18.0 inches (45.7 cm) on January 21, 1994
    •   Record highest monthly snowfall: 28.0 inches (71.1 cm) in January 1978

Other Climate Data

    •   Average annual relative humidity: 74%
    •   Average annual wind speed: 9.2 mph (14.8 km/h)
    •   Average annual sunshine: 2,478 hours

Climate Summary

Grayson, Kentucky has a humid subtropical climate with hot, humid summers and mild winters. The average annual temperature is 57.4°F (14.1°C), with average daily maximum temperatures in the mid-60s to low 70s Fahrenheit (18.3°C to 22.2°C) and average daily minimum temperatures in the mid-40s to low 50s Fahrenheit (7.2°C to 11.1°C). The hottest month is July, with an average daily maximum temperature of 86°F (30°C) and an average daily minimum temperature of 67°F (19.4°C). The coldest month is January, with an average daily maximum temperature of 43°F (6.1°C) and an average daily minimum temperature of 28°F (-2.2°C).

Grayson receives an average of 45.2 inches (114.8 cm) of precipitation per year, which is fairly evenly distributed throughout the year. The wettest month is July, with an average of 4.6 inches (11.7 cm) of precipitation, and the driest month is October, with an average of 2.6 inches (6.6 cm) of precipitation. Snowfall is relatively light in Grayson, with an average of 13.1 inches (33.3 cm) per year. The most snow typically falls in January, with an average of 3.6 inches (9.1 cm).

Grayson has a humid subtropical climate, with hot, humid summers and mild winters. The average annual temperature is 57.4°F (14.1°C), with average daily maximum temperatures in the mid-60s to low 70s Fahrenheit (18.3°C to 22.2°C) and average daily minimum temperatures in the mid-40s to low 50s Fahrenheit (7.2°C to 11.1°C). The hottest month is July, with an average daily maximum temperature of 86°F (30°C) and an average daily minimum temperature of 67°F (19.4°C). The coldest month is January, with an average daily maximum temperature of 43°F (6.1°C) and an average daily minimum temperature of 28°F (-2.2°C).

Grayson receives an average of 45.2 inches (114.8 cm) of precipitation per year, which is fairly evenly distributed throughout the year. The wettest month is July, with an average of 4.6 inches (11.7 cm) of precipitation, and the driest month is October, with an average of 2.6 inches (6.6 cm) of precipitation. Snowfall is relatively light in Grayson, with an average of 13.1 inches (33.3 cm) per year. The most snow typically falls in January, with an average of 3.6 inches (9.1 cm).

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

    •   Grayson is nestled in the Appalachian Mountains, surrounded by lush forests and abundant wildlife.

    •   The area is home to several endangered species, including the Indiana bat and the gray bat.

    •   Grayson Lake, a reservoir created by the Grayson Dam, provides a habitat for various aquatic species and attracts birdwatchers.

Science

    •   The Grayson County Space Center, a former NASA tracking station, played a crucial role in the Apollo missions.

    •   The center has been converted into a museum and educational facility, showcasing space exploration history.

    •   Grayson is also home to the East Kentucky Science Center, which offers interactive exhibits and programs on science and technology.

Personalities

    •   The town is named after William Grayson, a signer of the Declaration of Independence from Virginia.

    •   Jesse Stuart, a renowned American author and poet, was born and raised in Grayson.

    •   Stuart's writings often celebrated the people and landscapes of his hometown.

Tourist Attractions
1. Grayson Lake State Park: This park offers a variety of activities, including boating, fishing, swimming, hiking, and camping.

2. Carter Caves State Resort Park: This park is home to over 100 miles of underground caves, as well as hiking trails, a lake, and a lodge.

3. Jenny Wiley State Resort Park: This park is located on the shores of Dewey Lake and offers a variety of activities, including boating, fishing, swimming, hiking, and camping.

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