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January 19th, 2026 :: 2:23 am MST   

Local Weather Report for
Custer
South Dakota, United States

 Current Custer Weather Conditions Updated January 19th at 12:53 am 
Temperature:7°F Dew Point:-0°F
Barometer:30.12 inHg Wind:N 11 Mph
Humidity:66.1% Visibility:0M
 
 Custer Weather Forecast Summary  
 
Today
Jan 19th
Tuesday
Jan 20th
Wednesday
Jan 21st
Thursday
Jan 22nd
Friday
Jan 23rd
Cloudy Cloudy Cloudy Cloudy Cloudy
33°F
40°F
21°F
33°F
17°F
29°F
2°F
10°F
0°F
 
 Custer Detailed Weather Forecast  
 
Monday, January 19th, 2026
Overnight Temperature: 14°F
Clear with cloudy periods. Windy at times.
Morning Temperature: 30°F
Cloudy. Windy.
Afternoon Temperature: 28°F
Cloudy. Windy at times.
Evening Temperature: 22°F
A mix of cloudy and clear skies.
Tuesday, January 20th, 2026
Overnight Temperature: 24°F
Cloudy.
Morning Temperature: 40°F
Cloudy. Windy.
Afternoon Temperature: 27°F
Cloudy. Windy.
Evening Temperature: 23°F
A mix of cloudy and clear skies. Windy.
Wednesday, January 21st, 2026
Overnight Temperature: 27°F
Clear. Windy.
Morning Temperature: 31°F
A mix of cloud and sun. Wind 25 to 40 mph.
Afternoon Temperature: 20°F
Cloudy.
Evening Temperature: 17°F
Cloudy.
Thursday, January 22nd, 2026
Overnight Temperature: 18°F
Cloudy.
Morning Temperature: 29°F
Sunny with cloudy periods. Windy at times.
Afternoon Temperature: 15°F
A mix of cloud and sun.
Evening Temperature: 5°F
Cloudy.
Friday, January 23rd, 2026
Overnight Temperature: 0°F
Cloudy.
Morning Temperature: 7°F
Cloudy.
Afternoon Temperature: 10°F
Cloudy with sunny periods.
Evening Temperature: 10°F
Clear.
Saturday, January 24th, 2026
Overnight Temperature: 12°F
Clear. Windy at times.
Morning Temperature: 28°F
Sunny. Windy.
Afternoon Temperature: 17°F
A mix of cloud and sun.
Evening Temperature: 13°F
Cloudy.
Sunday, January 25th, 2026
Overnight Temperature: 20°F
Cloudy.
Morning Temperature: 43°F
Sunny. Windy.
Afternoon Temperature: 32°F
Cloudy.
Evening Temperature: 34°F
Clear. Windy at times.
Monday, January 26th, 2026
Overnight Temperature: 35°F
Clear. Windy at times.
Morning Temperature: 53°F
Sunny with cloudy periods. Windy at times.
Afternoon Temperature: 39°F
Cloudy.
Evening Temperature: 31°F
Cloudy.
Tuesday, January 27th, 2026
Overnight Temperature: 25°F
Cloudy.
Morning Temperature: 39°F
Sunny. Windy at times.
Afternoon Temperature: 35°F
Cloudy.
Evening Temperature: 35°F
Cloudy.





 

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12:55 AM  10°F
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12:53 AM  10°F
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12:52 AM  10°F
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12:55 AM  1°F
 
 
Gillette, WY 
12:53 AM  18°F
Overcast
 
Douglas, WY 
12:53 AM  18°F
Mostly Cloudy

 
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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