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January 17th, 2026 :: 9:46 am MST   

Local Weather Report for
Custer
South Dakota, United States

 Current Custer Weather Conditions Updated January 17th at 8:53 am 
Temperature:7°F Dew Point:-9°F
Barometer:30.09 inHg Wind: 9 Mph
Humidity:29.5% Visibility:0M
 
 Custer Weather Forecast Summary  
 
Today
Jan 17th
Sunday
Jan 18th
Monday
Jan 19th
Tuesday
Jan 20th
Wednesday
Jan 21st
Cloudy Cloudy Cloudy Cloudy Cloudy
34°F
32°F
14°F
30°F
12°F
46°F
19°F
26°F
16°F
 
 Custer Detailed Weather Forecast  
 
Saturday, January 17th, 2026
Morning Temperature: 21°F
Sunny.
Afternoon Temperature: 24°F
Cloudy. Windy.
Evening Temperature: 33°F
Cloudy. Windy.
Sunday, January 18th, 2026
Overnight Temperature: 32°F
Cloudy. Windy.
Morning Temperature: 31°F
A mix of cloud and sun. Wind 20 to 30 mph.
Afternoon Temperature: 21°F
Cloudy.
Evening Temperature: 15°F
Cloudy.
Monday, January 19th, 2026
Overnight Temperature: 13°F
Clear.
Morning Temperature: 28°F
Sunny. Windy.
Afternoon Temperature: 23°F
Cloudy.
Evening Temperature: 26°F
Cloudy. Windy at times.
Tuesday, January 20th, 2026
Overnight Temperature: 28°F
Cloudy. Windy at times.
Morning Temperature: 45°F
A mix of cloud and sun. Windy.
Afternoon Temperature: 31°F
Cloudy. Windy.
Evening Temperature: 21°F
Cloudy.
Wednesday, January 21st, 2026
Overnight Temperature: 20°F
Cloudy.
Morning Temperature: 26°F
Cloudy. Windy.
Afternoon Temperature: 19°F
Sunny. Windy at times.
Evening Temperature: 16°F
Cloudy. Windy at times.
Thursday, January 22nd, 2026
Overnight Temperature: 24°F
Mostly clear. Windy.
Morning Temperature: 38°F
Cloudy. Windy.
Afternoon Temperature: 24°F
Cloudy. Windy.
Evening Temperature: 12°F
Cloudy. Windy.
Friday, January 23rd, 2026
Overnight Temperature: 5°F
Cloudy. Windy.
Morning Temperature: 5°F
Cloudy with a slight chance of flurries. Windy.
Afternoon Temperature: 1°F
Cloudy with a chance of flurries. Windy.
Evening Temperature: -1°F
Cloudy with a chance of flurries. Windy.
Saturday, January 24th, 2026
Overnight Temperature: -5°F
Cloudy with a chance of flurries. Windy.
Morning Temperature: 4°F
A mix of cloud and sun with a chance of flurries.
Afternoon Temperature: -6°F
Cloudy with sunny periods.
Evening Temperature: -7°F
Cloudy.
Sunday, January 25th, 2026
Overnight Temperature: 2°F
Cloudy.
Morning Temperature: 14°F
Cloudy.
Afternoon Temperature: 11°F
Cloudy.
Evening Temperature: 3°F
Cloudy with a chance of flurries.





 

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8:52 AM  10°F
 
 
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8:55 AM  5°F
 
 
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8:53 AM  3°F
 
 
Pine Ridge, SD 
8:52 AM  5°F
 
 
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Philip, SD 
8:55 AM  1°F
Overcast
 
Gillette, WY 
8:53 AM  7°F
 
 
Douglas, WY 
8:53 AM  16°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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