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January 11th, 2026 :: 7:26 pm MST   

Local Weather Report for
Custer
South Dakota, United States

 Current Custer Weather Conditions Updated January 11th at 5:53 pm 
Mostly Clear
Temperature:43°F Dew Point:5°F
Barometer:30.27 inHg Wind:N 15 Mph
Humidity:19.4% Visibility:0M
 
 Custer Weather Forecast Summary  
 
Today
Jan 11th
Monday
Jan 12th
Tuesday
Jan 13th
Wednesday
Jan 14th
Thursday
Jan 15th
Cloudy Cloudy Cloudy Cloudy Cloudy
52°F
53°F
38°F
51°F
35°F
41°F
29°F
44°F
25°F
 
 Custer Detailed Weather Forecast  
 
Sunday, January 11th, 2026
Evening Temperature: 39°F
Cloudy. Windy at times.
Monday, January 12th, 2026
Overnight Temperature: 38°F
Cloudy. Windy at times.
Morning Temperature: 50°F
Cloudy. Windy at times.
Afternoon Temperature: 43°F
Cloudy. Windy at times.
Evening Temperature: 40°F
Cloudy. Windy at times.
Tuesday, January 13th, 2026
Overnight Temperature: 39°F
Cloudy.
Morning Temperature: 47°F
Cloudy. Windy at times.
Afternoon Temperature: 40°F
Cloudy. Windy at times.
Evening Temperature: 37°F
A mix of cloudy and clear skies. Windy at times.
Wednesday, January 14th, 2026
Overnight Temperature: 30°F
Cloudy.
Morning Temperature: 38°F
Sunny with cloudy periods. Windy at times.
Afternoon Temperature: 36°F
Mostly sunny.
Evening Temperature: 36°F
A mix of cloudy and clear skies. Windy at times.
Thursday, January 15th, 2026
Overnight Temperature: 41°F
Clear with cloudy periods. Wind 25 to 40 mph.
Morning Temperature: 44°F
Sunny with cloudy periods. Windy.
Afternoon Temperature: 31°F
Cloudy. Wind 20 to 30 mph.
Evening Temperature: 26°F
Cloudy. Windy.
Friday, January 16th, 2026
Overnight Temperature: 25°F
Cloudy. Windy at times.
Morning Temperature: 27°F
Cloudy. Windy.
Afternoon Temperature: 18°F
Cloudy. Windy at times.
Evening Temperature: 11°F
Clear with cloudy periods.
Saturday, January 17th, 2026
Overnight Temperature: 9°F
Cloudy.
Morning Temperature: 31°F
A mix of cloud and sun. Windy.
Afternoon Temperature: 34°F
Cloudy. Windy.
Evening Temperature: 34°F
Clear with cloudy periods. Windy.
Sunday, January 18th, 2026
Overnight Temperature: 36°F
Clear with cloudy periods. Windy.
Morning Temperature: 51°F
Cloudy. Windy.
Afternoon Temperature: 35°F
Sunny. Windy at times.
Evening Temperature: 26°F
Clear with cloudy periods.
Monday, January 19th, 2026
Overnight Temperature: 27°F
Cloudy.
Morning Temperature: 41°F
Cloudy. Windy.
Afternoon Temperature: 39°F
A mix of cloud and sun. Windy.
Evening Temperature: 37°F
A mix of cloudy and clear skies. Windy.





 

  [ Local Weather Report ]
Rapid City, SD 
5:52 PM  45°F
 
 
Box Elder, SD 
 
Sturgis, SD 
5:55 PM  45°F
Overcast
 
Spearfish, SD 
5:55 PM  45°F
Overcast
 
Chadron, NE 
5:53 PM  46°F
 
 
Pine Ridge, SD 
5:52 PM  34°F
 
 
Belle Fourche, WY 
 
Philip, SD 
5:55 PM  39°F
 
 
Gillette, WY 
5:53 PM  36°F
 
 
Douglas, WY 
5:53 PM  37°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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