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July 27th, 2026 :: 4:40 am MDT   

Local Weather Report for
Custer
South Dakota, United States

 Current Custer Weather Conditions Updated July 27th at 3:53 am 
heavy thunderstorm with rain
Temperature:63°F Dew Point:57°F
Barometer:30.18 inHg Wind:N 26 Mph
Humidity:82.5% Visibility:0M
 
 Custer Weather Forecast Summary  
 
Today
Jul 27th
Tuesday
Jul 28th
Wednesday
Jul 29th
Thursday
Jul 30th
Friday
Jul 31st
Mix of Sun and Cloud Mostly Sunny Mostly Sunny Mostly Sunny Mostly Sunny
97°F
95°F
69°F
98°F
73°F
92°F
68°F
95°F
68°F
 
 Custer Detailed Weather Forecast  
 
Monday, July 27th, 2026
Morning Temperature: 82°F
A mix of sun and cloud with a slight chance of showers.
Afternoon Temperature: 97°F
A mix of cloud and sun. Windy.
Evening Temperature: 82°F
Clear with cloudy periods. Slight chance of a thunderstorm. Windy.
Tuesday, July 28th, 2026
Overnight Temperature: 72°F
Clear.
Morning Temperature: 78°F
Sunny. Windy at times.
Afternoon Temperature: 94°F
Sunny with cloudy periods. Slight chance of a thunderstorm. Windy at times.
Evening Temperature: 89°F
Clear with cloudy periods. Windy at times.
Wednesday, July 29th, 2026
Overnight Temperature: 76°F
Mostly clear.
Morning Temperature: 80°F
Mostly sunny. Slight chance of a thunderstorm.
Afternoon Temperature: 96°F
Mostly sunny. Chance of a thunderstorm. Windy at times.
Evening Temperature: 85°F
Cloudy with clear periods with a chance of showers or thundershowers. Windy at times.
Thursday, July 30th, 2026
Overnight Temperature: 69°F
Mostly clear with a slight chance of showers or thundershowers.
Morning Temperature: 75°F
Sunny. Chance of a thunderstorm.
Afternoon Temperature: 89°F
Mostly sunny. Chance of a thunderstorm. Windy.
Evening Temperature: 74°F
Mostly clear with a chance of showers. Slight chance of a thunderstorm. Windy.
Friday, July 31st, 2026
Overnight Temperature: 68°F
Clear with a chance of showers.
Morning Temperature: 76°F
Sunny. Slight chance of a thunderstorm.
Afternoon Temperature: 86°F
Sunny. Chance of a thunderstorm. Wind 20 to 30 mph.
Evening Temperature: 74°F
Mostly clear with a chance of showers.
Saturday, August 1st, 2026
Overnight Temperature: 68°F
Clear.
Morning Temperature: 74°F
Sunny.
Afternoon Temperature: 92°F
Sunny. Windy at times.
Evening Temperature: 87°F
Clear. Windy at times.
Sunday, August 2nd, 2026
Overnight Temperature: 73°F
Clear.
Morning Temperature: 77°F
Mostly sunny.
Afternoon Temperature: 104°F
Mostly sunny. Slight chance of a thunderstorm. Windy at times.
Evening Temperature: 99°F
Mostly clear. Windy.
Monday, August 3rd, 2026
Overnight Temperature: 79°F
Clear.
Morning Temperature: 87°F
Mostly sunny.
Afternoon Temperature: 101°F
Sunny. Slight chance of a thunderstorm. Windy at times.
Evening Temperature: 89°F
Clear. Slight chance of a thunderstorm. Windy.
Tuesday, August 4th, 2026
Overnight Temperature: 75°F
Clear. Windy.
Morning Temperature: 65°F
Sunny. Wind 25 to 40 mph.
Afternoon Temperature: 69°F
Sunny with cloudy periods. Wind 20 to 30 mph.
Evening Temperature: 65°F
Clear. Windy.





 

  [ Local Weather Report ]
Rapid City, SD 
3:52 AM  79°F
Mostly Clear
 
Box Elder, SD 
 
Sturgis, SD 
3:55 AM  75°F
 
 
Spearfish, SD 
3:55 AM  73°F
 
 
Chadron, NE 
3:53 AM  72°F
 
 
Pine Ridge, SD 
3:52 AM  72°F
 
 
Belle Fourche, WY 
 
Philip, SD 
3:55 AM  81°F
 
 
Gillette, WY 
3:53 AM  72°F
 
 
Douglas, WY 
3:53 AM  70°F
 

 
This WeatherCity Weather Forecast for Custer, South Dakota, United States is computed using a computer-generated forecast model and should be considered experimental. Please confirm this weather information with your official weather information office

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