Our Proprietary 10-Day Forecast

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Current warnings over Greenbrier, 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 Greenbrier, 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 Greenbrier, 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 Williamson 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 Greenbrier, 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 Greenbrier, 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 Greenbrier, 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 Greenbrier, 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 Greenbrier, 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 Williamson 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:
  • European ECMWF HRES
  • 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.
 
F5Weather Maps

Climate Summary
(made with AI, use with caution)
Greenbrier, Tennessee Climate Summary

General Climate


    •   Humid subtropical climate with hot, humid summers and mild winters.
    •   Four distinct seasons.

Temperature

    •   Average Annual Temperature

58.9°F (14.9°C)

    •   Average Summer Temperature (June-August)

78.6°F (25.9°C)

    •   Average Winter Temperature (December-February)

39.1°F (3.9°C)

    •   Record High Temperature

104°F (40°C)

    •   Record Low Temperature

-13°F (-25°C)

Precipitation

    •   Average Annual Precipitation

51.5 inches (130.8 cm)

    •   Wettest Month

March (5.3 inches / 13.5 cm)

    •   Driest Month

October (2.9 inches / 7.4 cm)

    •   Snowfall

Average of 4.5 inches (11.4 cm) per year

Other Climate Data

    •   Average Humidity

73%

    •   Average Wind Speed

7.5 mph (12.1 km/h)

    •   Average Sunshine Hours

2,492 hours per year

Seasonal Climate

Spring (March-May)


    •   Mild temperatures, with highs in the 60s and 70s°F (16-23°C).
    •   Increasing precipitation, with occasional thunderstorms.

Summer (June-August)


    •   Hot and humid, with highs in the 80s and 90s°F (27-34°C).
    •   Frequent thunderstorms and high humidity.

Fall (September-November)


    •   Mild temperatures, with highs in the 60s and 70s°F (16-23°C).
    •   Decreasing precipitation and humidity.

Winter (December-February)


    •   Cold, with highs in the 40s and 50s°F (4-13°C).
    •   Occasional snow or ice storms.

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

  • Mammoth Cave National Park:

    Greenbrier is the gateway to this vast cave system, boasting over 400 miles of explored passages and home to diverse flora and fauna.

  • Big South Fork National River and Recreation Area:

    The area features rugged cliffs, waterfalls, and forests, providing habitat for black bears, bobcats, and over 200 bird species.

    Science

  • Oak Ridge National Laboratory:

    A world-renowned research facility located nearby, focusing on nuclear science, energy, and materials.

  • National Institute for Mathematical and Biological Synthesis (NIMBioS):

    A center at the University of Tennessee, Knoxville, that promotes interdisciplinary research in ecology, evolution, and disease.

    Personalities

  • Cordell Hull:

    Secretary of State under President Franklin D. Roosevelt, born in Greenbrier.

  • Charles Lindbergh:

    The famous aviator visited Greenbrier in 1927, landing his \

  • Tourist Attractions
    1.Cordell Hull Birthplace State Historic Park:

    The birthplace of former U.S. Secretary of State Cordell Hull, this park features a museum, walking trails, and a scenic overlook.

    2.Pickett State Park:

    A 12,000-acre park with hiking trails, waterfalls, a lake for swimming and fishing, and a historic mill village.

    3.Fort Donelson National Battlefield:

    The site of a major Civil War battle, this battlefield offers guided tours, a museum, and hiking trails.

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