Our Proprietary 10-Day Forecast

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Current warnings over Duncan, South Carolina
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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 Duncan, South Carolina 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 Duncan, South Carolina 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 Spartanburg County, SC

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 Duncan, South Carolina

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 Duncan, SC 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 Duncan, SC

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 Duncan, SC, 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 Duncan, South Carolina

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 Spartanburg County, South Carolina

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.
 
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Climate Summary
(made with AI, use with caution)
Duncan, South Carolina Climate Summary

General Climate

    •   Humid subtropical climate with hot, humid summers and mild winters.
    •   Average annual temperature: 61.1°F (16.2°C)
    •   Average annual precipitation: 47.35 inches (1,203 mm)

Summer (June-August)

    •   Average temperature: 79.2°F (26.2°C)
    •   Average high temperature: 89.6°F (32°C)
    •   Average low temperature: 68.8°F (20.4°C)
    •   Average precipitation: 13.25 inches (336 mm)
    •   High humidity and frequent thunderstorms

Autumn (September-November)

    •   Average temperature: 61.8°F (16.6°C)
    •   Average high temperature: 75.7°F (24.3°C)
    •   Average low temperature: 47.9°F (8.8°C)
    •   Average precipitation: 10.64 inches (270 mm)
    •   Decreasing humidity and fewer thunderstorms

Winter (December-February)

    •   Average temperature: 43.5°F (6.4°C)
    •   Average high temperature: 54.2°F (12.3°C)
    •   Average low temperature: 32.8°F (0.4°C)
    •   Average precipitation: 8.89 inches (226 mm)
    •   Occasional freezing temperatures and frost

Spring (March-May)

    •   Average temperature: 57.9°F (14.4°C)
    •   Average high temperature: 72.5°F (22.5°C)
    •   Average low temperature: 43.4°F (6.3°C)
    •   Average precipitation: 14.57 inches (370 mm)
    •   Increasing humidity and occasional thunderstorms

Other Climate Features

    •   Tornadoes

Duncan is located in a region with a moderate risk of tornadoes.

    •   Hurricanes

The area is occasionally affected by hurricanes, particularly during the late summer and fall.

    •   Air Quality

Air quality is generally good, but can be affected by pollution from nearby urban areas.

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

    •   Duncan is home to the Tyger River, a tributary of the Enoree River, which supports a diverse ecosystem including fish, birds, and mammals.

    •   The area surrounding Duncan features rolling hills, forests, and meadows, providing habitat for wildlife such as deer, turkeys, and owls.

Science

    •   The Savannah River Site, a nuclear research and production facility, is located just west of Duncan.

    •   The site has contributed to scientific advancements in nuclear energy, environmental remediation, and materials science.

Personalities

  • Dr. George Washington Carver:

    The renowned agricultural scientist and inventor was born in Diamond Grove, Missouri, but spent his childhood in Duncan.

  • Dr. William Henry Duncan:

    A physician and Confederate surgeon, Duncan established the Duncan Academy, a prestigious private school that operated in Duncan from 1884 to 1962.

  • Dr. James B. Edwards:

    A heart surgeon and pioneer in open-heart surgery, Edwards was born in Duncan and founded the Edwards Lifesciences Corporation.

    • Tourist Attractions
    1.BMW Performance Center

    - This is a must-see for any car enthusiast. You can take a guided tour of the facility, see how BMWs are made, and even get behind the wheel of one on the track.

    2.Paris Mountain State Park

    - This park is a great place to hike, bike, or fish. There are also several picnic areas and a swimming pool.

    3.Greenville Zoo

    - This zoo is home to over 200 animals from all over the world. There are also several interactive exhibits and a playground.

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