Our Proprietary 10-Day Forecast

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Current warnings over Graysville, Tennessee
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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 Graysville, Tennessee 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 Graysville, Tennessee 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 Rhea County, TN

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 Graysville, Tennessee

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 Graysville, TN 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 Graysville, TN

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 Graysville, TN, 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 Graysville, Tennessee

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 Rhea County, Tennessee

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.
 
Get access to:
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  • American GFS
  • Canadian GDPS GEM
  • German DWD ICON
  • British MetOffice's UKMET Unified Model
  • American NAM
  • American HRRR
  • American NBM - National Blend of Models
  • 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.
 
See the latest forecast data as the models update.
 
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Climate Summary
(made with AI, use with caution)
Graysville, TN Climate Summary

General Climate

    •   Humid subtropical climate with hot, humid summers and mild, wet winters.
    •   Located in the foothills of the Appalachian Mountains.

Temperature

    •   Average Annual Temperature

56.8°F (13.8°C)

    •   Average Summer Temperature (June-August)

76.9°F (24.9°C)

    •   Average Winter Temperature (December-February)

35.6°F (2.0°C)

    •   Record High Temperature

103°F (39.4°C)

    •   Record Low Temperature

-18°F (-28.3°C)

Precipitation

    •   Average Annual Precipitation

52.2 inches (132.6 cm)

    •   Average Number of Rainy Days per Year

120

    •   Average Snowfall per Year

10.1 inches (25.7 cm)

Humidity

    •   Average Relative Humidity

70%

    •   High Humidity Months

June-August

Wind

    •   Average Wind Speed

6.9 mph (11.1 km/h)

    •   Prevailing Wind Direction

West-southwest

Other Climate Features

    •   Growing Season

180-200 days

    •   Hardiness Zone

6b

    •   Tornadoes

Occasional, with a higher risk during spring and fall.

    •   Thunderstorms

Common during summer months.

    •   Fog

Frequent during winter and spring mornings.

Climate Trends

    •   Rising Temperatures

Graysville has seen a gradual increase in average temperatures over the past century.

    •   Increased Precipitation

The area has experienced a slight increase in annual precipitation.

    •   More Extreme Weather Events

Climate change is expected to lead to more frequent and intense heat waves, droughts, and heavy rainfall events.

Facts & Historical Information
(made with AI, use with caution)
Graysville, Tennessee, is a town with a rich natural history and scientific significance.

Natural History

    •   Graysville is located in the Sequatchie Valley, a unique geological formation known for its steep cliffs and waterfalls.

    •   The area is home to a diverse range of plant and animal life, including black bears, bobcats, and over 100 species of birds.

    •   The nearby Sequatchie River is a popular spot for fishing, kayaking, and wildlife viewing.

Science

    •   Graysville is home to the Tennessee Aquarium Conservation Institute, a world-renowned research and conservation facility.

    •   The institute conducts groundbreaking research on aquatic species and ecosystems, including the endangered hellbender salamander.

    •   Graysville is also the site of the Sequatchie Valley Institute, a non-profit organization dedicated to promoting environmental education and stewardship.

Personalities

    •   Graysville is the birthplace of Dr. William C. Davis, a renowned historian and author.

    •   Davis wrote over 50 books on American history, including the Pulitzer Prize-winning \

Tourist Attractions
1.Graysville Historic District

- This historic district is home to a variety of well-preserved buildings from the 19th and early 20th centuries. Visitors can explore the district on foot or by car, and there are several historical markers that provide information about the area's past.

2.Graysville Museum

- This museum is housed in the former Graysville Schoolhouse, and it features exhibits on the history of Graysville and the surrounding area. Visitors can learn about the town's early settlers, its role in the Civil War, and its development in the 20th century.

3.Graysville Park

- This park is located on the banks of the Hiwassee River, and it offers a variety of recreational opportunities. Visitors can enjoy picnicking, fishing, swimming, and hiking. The park also has a playground and a boat ramp.

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