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January 31st, 2026 :: 1:44 am MST   

Local Weather Report for
Spearfish
South Dakota, United States

 Current Spearfish Weather Conditions Updated January 31st at 12:55 am 
Overcast
Temperature:23°F Dew Point:23°F
Barometer:30.09 inHg Wind:calm
Humidity:100.0% Visibility:0M
 
 Spearfish Weather Forecast Summary  
 
Today
Jan 31st
Sunday
Feb 1st
Monday
Feb 2nd
Tuesday
Feb 3rd
Wednesday
Feb 4th
Cloudy Cloudy Mix of rain and snow Mix of rain and snow Cloudy
48°F
49°F
31°F
49°F
31°F
34°F
28°F
43°F
27°F
 
 Spearfish Detailed Weather Forecast  
 
Saturday, January 31st, 2026
Overnight Temperature: 30°F
Cloudy.
Morning Temperature: 46°F
Sunny with cloudy periods. Wind 25 to 40 mph.
Afternoon Temperature: 41°F
Mostly sunny. Windy.
Evening Temperature: 36°F
Cloudy. Windy at times.
Sunday, February 1st, 2026
Overnight Temperature: 34°F
Cloudy.
Morning Temperature: 47°F
Cloudy.
Afternoon Temperature: 37°F
Cloudy.
Evening Temperature: 32°F
Cloudy.
Monday, February 2nd, 2026
Overnight Temperature: 34°F
Cloudy.
Morning Temperature: 48°F
Sunny. Windy.
Afternoon Temperature: 40°F
Cloudy.
Evening Temperature: 35°F
Cloudy with showers or wet flurries likely. Windy.
Tuesday, February 3rd, 2026
Overnight Temperature: 32°F
Cloudy with flurries or showers likely. Windy at times.
Morning Temperature: 34°F
Cloudy with flurries or showers likely. Risk of freezing rain. Windy at times.
Afternoon Temperature: 30°F
Cloudy with flurries likely. Windy at times.
Evening Temperature: 28°F
Clear. Windy at times.
Wednesday, February 4th, 2026
Overnight Temperature: 28°F
A mix of cloudy and clear skies.
Morning Temperature: 41°F
A mix of cloud and sun.
Afternoon Temperature: 38°F
Cloudy.
Evening Temperature: 43°F
A mix of clear and cloudy skies. Wind 20 to 30 mph.
Thursday, February 5th, 2026
Overnight Temperature: 43°F
Clear. Wind 20 to 30 mph.
Morning Temperature: 55°F
Sunny. Windy.
Afternoon Temperature: 48°F
Sunny. Windy at times.
Evening Temperature: 43°F
Clear. Wind 20 to 30 mph.
Friday, February 6th, 2026
Overnight Temperature: 36°F
Cloudy. Wind 20 to 30 mph.
Morning Temperature: 43°F
A mix of cloud and sun. Windy.
Afternoon Temperature: 37°F
A mix of cloud and sun.
Evening Temperature: 30°F
Cloudy.
Saturday, February 7th, 2026
Overnight Temperature: 26°F
Cloudy. Windy at times.
Morning Temperature: 28°F
Cloudy.
Afternoon Temperature: 26°F
Cloudy with a slight chance of flurries.
Evening Temperature: 24°F
Cloudy with a chance of flurries.
Sunday, February 8th, 2026
Overnight Temperature: 18°F
Cloudy with flurries likely. Windy at times.
Morning Temperature: 15°F
Cloudy with flurries likely. Windy at times.
Afternoon Temperature: 10°F
Cloudy with flurries likely. Windy at times.
Evening Temperature: 5°F
Cloudy with a chance of flurries.





 

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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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