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January 12th, 2026 :: 8:45 am MST   

Local Weather Report for
Custer
South Dakota, United States

 Current Custer Weather Conditions Updated January 12th at 7:53 am 
Temperature:37°F Dew Point:16°F
Barometer:30.15 inHg Wind:N 17 Mph
Humidity:40.5% Visibility:0M
 
 Custer Weather Forecast Summary  
 
Today
Jan 12th
Tuesday
Jan 13th
Wednesday
Jan 14th
Thursday
Jan 15th
Friday
Jan 16th
Cloudy Cloudy Cloudy Cloudy Cloudy
53°F
50°F
33°F
42°F
31°F
50°F
27°F
28°F
21°F
 
 Custer Detailed Weather Forecast  
 
Monday, January 12th, 2026
Morning Temperature: 50°F
Cloudy. Windy at times.
Afternoon Temperature: 45°F
Cloudy. Windy at times.
Evening Temperature: 39°F
Cloudy. Windy at times.
Tuesday, January 13th, 2026
Overnight Temperature: 38°F
Cloudy.
Morning Temperature: 50°F
Cloudy. Windy.
Afternoon Temperature: 42°F
Cloudy with a slight chance of showers. Wind 20 to 30 mph.
Evening Temperature: 35°F
Clear with cloudy periods.
Wednesday, January 14th, 2026
Overnight Temperature: 31°F
Cloudy.
Morning Temperature: 40°F
Sunny with cloudy periods.
Afternoon Temperature: 32°F
Mostly sunny.
Evening Temperature: 34°F
A mix of clear and cloudy skies.
Thursday, January 15th, 2026
Overnight Temperature: 38°F
Cloudy. Windy.
Morning Temperature: 50°F
Sunny with cloudy periods. Windy at times.
Afternoon Temperature: 36°F
Cloudy. Wind 20 to 30 mph.
Evening Temperature: 28°F
Clear with cloudy periods. Wind 20 to 30 mph.
Friday, January 16th, 2026
Overnight Temperature: 25°F
Cloudy with clear periods. Wind 20 to 30 mph.
Morning Temperature: 28°F
Sunny with cloudy periods. Wind 20 to 30 mph.
Afternoon Temperature: 21°F
Cloudy. Wind 20 to 30 mph.
Evening Temperature: 21°F
Cloudy. Windy.
Saturday, January 17th, 2026
Overnight Temperature: 17°F
Cloudy.
Morning Temperature: 31°F
A mix of cloud and sun.
Afternoon Temperature: 27°F
Mostly sunny. Windy at times.
Evening Temperature: 30°F
Clear. Windy.
Sunday, January 18th, 2026
Overnight Temperature: 38°F
Mostly clear. Windy.
Morning Temperature: 52°F
Cloudy. Wind 20 to 30 mph.
Afternoon Temperature: 44°F
Cloudy. Windy at times.
Evening Temperature: 38°F
Clear. Windy.
Monday, January 19th, 2026
Overnight Temperature: 26°F
A mix of cloudy and clear skies. Windy at times.
Morning Temperature: 41°F
Cloudy. Wind 20 to 30 mph.
Afternoon Temperature: 42°F
A mix of cloud and sun. Windy at times.
Evening Temperature: 31°F
Cloudy.
Tuesday, January 20th, 2026
Overnight Temperature: 24°F
Cloudy.
Morning Temperature: 35°F
Cloudy.
Afternoon Temperature: 36°F
Cloudy.
Evening Temperature: 30°F
Cloudy.





 

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7:55 AM  50°F
 
 
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7:53 AM  34°F
 
 
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7:52 AM  34°F
 
 
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7:55 AM  34°F
 
 
Gillette, WY 
7:53 AM  41°F
 
 
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7:53 AM  36°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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