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Sunrise:  7:26 am
Sunset:  4:28 pm
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December 31st, 2025 :: 4:40 pm MST   

Local Weather Report for
Custer
South Dakota, United States

 Current Custer Weather Conditions Updated December 31st at 3:53 pm 
Temperature:48°F Dew Point:19°F
Barometer:30.04 inHg Wind:N 11 Mph
Humidity:31.4% Visibility:0M
 
 Custer Weather Forecast Summary  
 
Today
Dec 31st
Thursday
Jan 1st
Friday
Jan 2nd
Saturday
Jan 3rd
Sunday
Jan 4th
Cloudy Cloudy Cloudy Cloudy Cloudy
54°F
50°F
32°F
44°F
32°F
49°F
35°F
57°F
36°F
 
 Custer Detailed Weather Forecast  
 
Wednesday, December 31st, 2025
Afternoon Temperature: 37°F
Sunny with cloudy periods.
Evening Temperature: 36°F
Cloudy.
Thursday, January 1st, 2026
Overnight Temperature: 39°F
Cloudy. Windy at times.
Morning Temperature: 49°F
Cloudy.
Afternoon Temperature: 37°F
Cloudy.
Evening Temperature: 33°F
Cloudy.
Friday, January 2nd, 2026
Overnight Temperature: 32°F
Cloudy.
Morning Temperature: 43°F
Cloudy.
Afternoon Temperature: 38°F
Cloudy.
Evening Temperature: 40°F
Clear. Windy at times.
Saturday, January 3rd, 2026
Overnight Temperature: 38°F
A mix of cloudy and clear skies. Windy at times.
Morning Temperature: 48°F
A mix of cloud and sun.
Afternoon Temperature: 37°F
Cloudy.
Evening Temperature: 37°F
Cloudy.
Sunday, January 4th, 2026
Overnight Temperature: 38°F
Cloudy.
Morning Temperature: 55°F
Sunny. Wind 20 to 30 mph.
Afternoon Temperature: 41°F
Cloudy.
Evening Temperature: 41°F
Cloudy.
Monday, January 5th, 2026
Overnight Temperature: 43°F
Cloudy. Windy.
Morning Temperature: 57°F
A mix of cloud and sun. Wind 25 to 40 mph.
Afternoon Temperature: 51°F
Cloudy. Wind 25 to 40 mph.
Evening Temperature: 44°F
Clear with cloudy periods. Windy.
Tuesday, January 6th, 2026
Overnight Temperature: 38°F
Clear.
Morning Temperature: 52°F
Sunny. Wind 25 to 40 mph.
Afternoon Temperature: 49°F
Cloudy. Wind 25 to 40 mph.
Evening Temperature: 44°F
Cloudy. Windy at times.
Wednesday, January 7th, 2026
Overnight Temperature: 40°F
Cloudy.
Morning Temperature: 53°F
A mix of cloud and sun. Windy at times.
Afternoon Temperature: 42°F
Cloudy. Windy at times.
Evening Temperature: 26°F
Cloudy with a few flurries. Windy.
Thursday, January 8th, 2026
Overnight Temperature: 13°F
Cloudy with a few flurries. Windy.
Morning Temperature: 10°F
Cloudy with flurries likely. Windy at times.
Afternoon Temperature: 6°F
Cloudy with flurries likely.
Evening Temperature: 2°F
Cloudy with clear periods with a chance of flurries.





 

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3:55 PM  50°F
 
 
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3:53 PM  54°F
 
 
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3:55 PM  34°F
 
 
Gillette, WY 
3:53 PM  48°F
 
 
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3:53 PM  54°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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