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February 15th, 2026 :: 9:56 pm MST   

Local Weather Report for
Custer
South Dakota, United States

 Current Custer Weather Conditions Updated February 15th at 8:51 pm 
haze
Temperature:36°F Dew Point:12°F
Barometer:29.8 inHg Wind:calm
Humidity:36.9% Visibility:0M
 
 Custer Weather Forecast Summary  
 
Today
Feb 15th
Monday
Feb 16th
Tuesday
Feb 17th
Wednesday
Feb 18th
Thursday
Feb 19th
Cloudy Cloudy Cloudy Cloudy Flurries
57°F
56°F
37°F
55°F
28°F
37°F
18°F
20°F
5°F
 
 Custer Detailed Weather Forecast  
 
Sunday, February 15th, 2026
Evening Temperature: 37°F
Clear.
Monday, February 16th, 2026
Overnight Temperature: 38°F
Cloudy.
Morning Temperature: 54°F
Cloudy. Windy at times.
Afternoon Temperature: 48°F
A mix of cloud and sun.
Evening Temperature: 40°F
Clear.
Tuesday, February 17th, 2026
Overnight Temperature: 40°F
Cloudy.
Morning Temperature: 54°F
Sunny with cloudy periods. Wind 25 to 40 mph.
Afternoon Temperature: 43°F
Cloudy with a chance of showers. Showers possibly mixed with wet flurries. Wind 40 to 50 mph.
Evening Temperature: 32°F
Cloudy with a chance of showers. Showers possibly mixed with wet flurries. Windy.
Wednesday, February 18th, 2026
Overnight Temperature: 28°F
Cloudy. Windy at times.
Morning Temperature: 37°F
A mix of cloud and sun. Windy at times.
Afternoon Temperature: 25°F
Cloudy. Windy.
Evening Temperature: 18°F
Cloudy with a chance of flurries. Windy.
Thursday, February 19th, 2026
Overnight Temperature: 14°F
Cloudy with flurries likely.
Morning Temperature: 19°F
Cloudy with a chance of flurries. Windy at times.
Afternoon Temperature: 11°F
Sunny with cloudy periods with a slight chance of flurries.
Evening Temperature: 6°F
A mix of cloudy and clear skies.
Friday, February 20th, 2026
Overnight Temperature: 13°F
Clear. Windy at times.
Morning Temperature: 29°F
Sunny with cloudy periods. Windy at times.
Afternoon Temperature: 23°F
Sunny.
Evening Temperature: 18°F
Clear with cloudy periods.
Saturday, February 21st, 2026
Overnight Temperature: 19°F
Cloudy.
Morning Temperature: 32°F
Cloudy with sunny periods. Windy at times.
Afternoon Temperature: 24°F
Sunny.
Evening Temperature: 18°F
Clear.
Sunday, February 22nd, 2026
Overnight Temperature: 20°F
Clear.
Morning Temperature: 36°F
Mostly sunny.
Afternoon Temperature: 33°F
Sunny.
Evening Temperature: 32°F
Clear with cloudy periods.
Monday, February 23rd, 2026
Overnight Temperature: 36°F
Clear with cloudy periods.
Morning Temperature: 51°F
Cloudy. Windy at times.
Afternoon Temperature: 45°F
Cloudy. Windy at times.
Evening Temperature: 40°F
Cloudy. Windy at times.





 

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8:55 PM  45°F
 
 
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8:53 PM  37°F
 
 
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8:55 PM  36°F
 
 
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8:53 PM  32°F
 
 
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8:53 PM  41°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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