Our Proprietary 10-Day Forecast

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Current warnings over Custer, South Dakota
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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 Custer, South Dakota 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 Custer, South Dakota 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 Custer County, SD

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 Custer, South Dakota

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 Custer, SD 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 Custer, SD

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 Custer, SD, 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 Custer, South Dakota

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 Custer County, South Dakota

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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  • 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.
 
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Climate Summary
(made with AI, use with caution)
Custer, South Dakota Climate Summary

General Climate


    •   Semi-arid continental climate
    •   Hot summers and cold, dry winters
    •   Significant diurnal temperature variation

Temperature


    •   Average annual temperature: 45.6°F (7.6°C)
    •   Average summer temperature (June-August): 70.2°F (21.2°C)
    •   Average winter temperature (December-February): 23.8°F (-4.6°C)
    •   Record high temperature: 108°F (42.2°C)
    •   Record low temperature: -39°F (-39.4°C)

Precipitation


    •   Average annual precipitation: 17.4 inches (442 mm)
    •   Most precipitation occurs in May and June
    •   Least precipitation occurs in January and February
    •   Snowfall: Average annual snowfall is 45.3 inches (115 cm)

Humidity


    •   Generally low humidity throughout the year
    •   Average relative humidity: 58%

Wind


    •   Prevailing wind direction: West-northwest
    •   Average wind speed: 12.1 mph (19.5 km/h)

Sunshine


    •   Average annual sunshine: 3,104 hours
    •   Clear or partly cloudy skies are common

Extreme Weather


    •   Blizzards and ice storms can occur in winter
    •   Thunderstorms and hail are possible during summer
    •   Wildfires are a risk, particularly during dry periods

Climate Change Impacts


    •   Rising temperatures and increased frequency of extreme weather events are expected in the future
    •   Changes in precipitation patterns may impact water availability and agriculture
    •   Increased wildfire risk due to warmer and drier conditions

Facts & Historical Information
(made with AI, use with caution)
Custer, South Dakota, is nestled in the heart of the Black Hills, a region renowned for its natural wonders and rich history.

Natural History

    •   The area around Custer is home to a diverse array of wildlife, including bison, elk, mountain goats, and bighorn sheep.

    •   Jewel Cave, located nearby, is the third-longest cave in the world, with over 200 miles of explored passages adorned with stunning calcite crystals.

    •   Wind Cave National Park, also close by, features a unique labyrinth of limestone caverns with delicate boxwork formations.

Science

    •   The Black Hills are a geological hotspot, formed by volcanic activity millions of years ago.

    •   The area has been a site of scientific research for over a century, with studies on geology, paleontology, and ecology.

    •   The South Dakota School of Mines and Technology, located in nearby Rapid City, is a leading institution for STEM education and research.

Personalities

    •   George Armstrong Custer, the famous cavalry general, spent time in the Black Hills during his military campaigns.

    •   Seth Bullock, a frontier lawman and businessman, was a prominent figure in Custer's early history.

    •   John Muir, the renowned naturalist, visited the Black Hills in the late 1800s and was awestruck by its beauty.

Tourist Attractions
1.Crazy Horse Memorial:

A colossal mountain carving of the Lakota leader Crazy Horse, still under construction but already one of the largest sculptures in the world.

2.Custer State Park:

A vast and scenic park with abundant wildlife, including bison, elk, and pronghorn antelope. It also features hiking trails, scenic drives, and the historic State Game Lodge.

3.Wind Cave National Park:

A unique cave system with intricate formations and an abundance of boxwork, a rare type of cave decoration. Guided tours are available to explore the cave's many chambers and passages.

Nearby Cities:

Hot Springs, SD
Rapid City, SD
Gillette, WYSpearfish, SD
Box Elder, SDAlliance, NE
Rapid Valley, SDSturgis, SD
Torrington, WYDouglas, WY
Chadron, NEBelle Fourche, SD
Newcastle, WY