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December 20th, 2025 :: 10:58 pm MST   

Local Weather Report for
Spearfish
South Dakota, United States

 Current Spearfish Weather Conditions Updated December 20th at 9:55 pm 
Temperature:25°F Dew Point:12°F
Barometer:30.04 inHg Wind:calm
Humidity:57.3% Visibility:0M
 
 Spearfish Weather Forecast Summary  
 
Today
Dec 20th
Sunday
Dec 21st
Monday
Dec 22nd
Tuesday
Dec 23rd
Wednesday
Dec 24th
Mix of Cloud and Sun Cloudy Cloudy Cloudy Cloudy
39°F
43°F
31°F
55°F
38°F
54°F
36°F
60°F
43°F
 
 Spearfish Detailed Weather Forecast  
 
Saturday, December 20th, 2025
Evening Temperature: 30°F
A mix of cloudy and clear skies.
Sunday, December 21st, 2025
Overnight Temperature: 32°F
Cloudy.
Morning Temperature: 43°F
Cloudy.
Afternoon Temperature: 40°F
Cloudy.
Evening Temperature: 37°F
A mix of cloudy and clear skies.
Monday, December 22nd, 2025
Overnight Temperature: 41°F
Cloudy.
Morning Temperature: 52°F
Sunny with cloudy periods. Windy.
Afternoon Temperature: 45°F
Cloudy. Windy at times.
Evening Temperature: 40°F
Clear with cloudy periods. Windy at times.
Tuesday, December 23rd, 2025
Overnight Temperature: 36°F
Cloudy.
Morning Temperature: 50°F
Cloudy. Windy at times.
Afternoon Temperature: 49°F
Cloudy.
Evening Temperature: 47°F
Cloudy.
Wednesday, December 24th, 2025
Overnight Temperature: 43°F
A mix of cloudy and clear skies.
Morning Temperature: 54°F
Sunny.
Afternoon Temperature: 47°F
Cloudy.
Evening Temperature: 56°F
Cloudy. Wind 20 to 30 mph.
Thursday, December 25th, 2025
Overnight Temperature: 61°F
Clear. Wind 40 to 50 mph.
Morning Temperature: 53°F
Sunny. Wind 35 to 45 mph.
Afternoon Temperature: 30°F
Sunny. Windy.
Evening Temperature: 23°F
Clear. Windy at times.
Friday, December 26th, 2025
Overnight Temperature: 21°F
Clear. Windy at times.
Morning Temperature: 44°F
Cloudy.
Afternoon Temperature: 41°F
Mostly sunny.
Evening Temperature: 44°F
A mix of cloudy and clear skies.
Saturday, December 27th, 2025
Overnight Temperature: 48°F
Clear. Wind 20 to 30 mph.
Morning Temperature: 49°F
Sunny. Windy.
Afternoon Temperature: 39°F
Cloudy.
Evening Temperature: 34°F
Cloudy.
Sunday, December 28th, 2025
Overnight Temperature: 33°F
Cloudy. Windy at times.
Morning Temperature: 50°F
Mostly sunny. Windy at times.
Afternoon Temperature: 43°F
A mix of cloud and sun.
Evening Temperature: 41°F
Cloudy.





 

  [ Local Weather Report ]
Sturgis, SD 
9:55 PM  28°F
 
 
Box Elder, SD 
 
Rapid City, SD 
9:52 PM  21°F
 
 
Custer, SD 
9:53 PM  18°F
 
 
Buffalo, SD 
9:56 PM  27°F
 
 
Gillette, WY 
9:53 PM  21°F
 
 
Belle Fourche, WY 
 
Faith, SD 
9:56 PM  25°F
 
 
Dead Horse, WY 
 
Philip, SD 
9:55 PM  21°F
 

 
This WeatherCity Weather Forecast for Spearfish, 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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