Our Proprietary 10-Day Forecast

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Current warnings over Grayson, Georgia
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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, Georgia 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, Georgia 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 Gwinnett County, GA

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, Georgia

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, GA 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, GA

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, GA, 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, Georgia

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 Gwinnett County, Georgia

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)
Climate Summary for Grayson, GA

Temperature

    •   Average annual temperature: 61.8°F (16.6°C)
    •   Average summer temperature (June-August): 78.6°F (25.9°C)
    •   Average winter temperature (December-February): 42.6°F (5.9°C)
    •   Record high temperature: 107°F (41.7°C)
    •   Record low temperature: -9°F (-22.8°C)

Precipitation

    •   Average annual precipitation: 52.3 inches (132.8 cm)
    •   Average number of rainy days per year: 112
    •   Average snowfall per year: 2.1 inches (5.3 cm)
    •   Heaviest 24-hour rainfall: 10.24 inches (26.0 cm)

Humidity

    •   Average annual relative humidity: 75%
    •   Average summer relative humidity (June-August): 78%
    •   Average winter relative humidity (December-February): 72%

Wind

    •   Average annual wind speed: 6.8 mph (10.9 km/h)
    •   Prevailing wind direction: West-southwest

Climate Type

    •   Humid subtropical climate (Köppen climate classification: Cfa)

Climate Summary

Grayson, Georgia has a humid subtropical climate with hot, humid summers and mild, cool winters. The average annual temperature is 61.8°F (16.6°C), with average summer temperatures in the upper 70s and average winter temperatures in the low 40s. The area receives an average of 52.3 inches (132.8 cm) of precipitation per year, with most of the rain falling during the summer months. Snowfall is rare in Grayson, with an average of only 2.1 inches (5.3 cm) per year.

The climate in Grayson is influenced by its location in the southeastern United States, which is characterized by a warm, moist climate. The area is also affected by the Gulf of Mexico, which helps to moderate the temperature and humidity. The Appalachian Mountains to the north also play a role in the climate of Grayson, as they help to block cold air from the north.

Overall, the climate in Grayson is mild and pleasant, with four distinct seasons. The area is a popular destination for outdoor activities, such as hiking, biking, and fishing.

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

    •   Grayson is home to the Yellow River Game Ranch, a 2,500-acre wildlife refuge with over 50 species of animals, including zebras, giraffes, and lions.

    •   The city is situated on the Yellow River, which supports a diverse ecosystem of fish, birds, and amphibians.

Science

    •   Grayson is a hub for biotechnology and medical research. The city is home to the BioMed Valley Innovation Center, which supports startups and established companies in the healthcare industry.

    •   The Grayson Environmental Education Center provides educational programs and exhibits on local ecology and conservation.

Personalities

  • James Grayson:

    A prominent slave owner and politician who founded the city in 1821.

  • Dr. John T. Wheeler:

    A physician and civic leader who played a key role in the development of Grayson's healthcare system.

  • Dr. Dorothy Height:

    A civil rights activist and educator who lived in Grayson during her childhood.

    • Tourist Attractions
    1.Stone Mountain Park:

    A sprawling park featuring a massive granite dome with a Confederate carving, hiking trails, a lake, and various attractions.

    2.Bay Creek Park:

    A scenic park along Lake Lanier with a beach, boat launch, fishing pier, picnic areas, and a playground.

    3.Grayson City Park:

    A community park with a splash pad, playground, walking trails, picnic areas, and a dog park.

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    Sandy Springs, GARoswell, GA
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