National Weather Service Forecast for: Spearfish SD
Issued by: National Weather Service Rapid City, SD
Updated: 10:27 pm MST Feb 1, 2026
 
Tonight

Tonight: Mostly cloudy, with a low around 35. Calm wind becoming west 5 to 8 mph after midnight. Winds could gust as high as 16 mph.
Mostly Cloudy

 Monday

Monday: A 20 percent chance of showers after 11am. Mostly sunny, with a high near 50. Breezy, with a west wind 11 to 16 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 34 mph.
Slight Chance
Showers and
Breezy
 Monday
Night
Monday Night: Partly cloudy, with a low around 32. West wind 9 to 13 mph, with gusts as high as 26 mph.
Partly Cloudy

 Tuesday

Tuesday: A chance of rain and snow before 5pm, then a slight chance of rain. Mostly cloudy, with a high near 44. Northwest wind 10 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Chance
Rain/Snow

 Tuesday
Night
Tuesday Night: A slight chance of rain and snow before 10pm, then a slight chance of snow between 10pm and 11pm. Mostly cloudy, with a low around 28. Northwest wind 8 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Slight Chance
Rain/Snow
then Partly
Cloudy
 Wednesday

Wednesday: Mostly sunny, with a high near 51. West wind 8 to 10 mph, with gusts as high as 20 mph.
Mostly Sunny

 Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 39. West wind 10 to 14 mph, with gusts as high as 28 mph.
Partly Cloudy

 Thursday

Thursday: Sunny, with a high near 62. West wind 11 to 16 mph, with gusts as high as 29 mph.
Sunny

 Thursday
Night
Thursday Night: Mostly clear, with a low around 35.
Mostly Clear
Lo 35 °F Hi 50 °F Lo 32 °F Hi 44 °F Lo 28 °F Hi 51 °F Lo 39 °F Hi 62 °F Lo 35 °F

 

Tonight
 
 Mostly cloudy, with a low around 35. Calm wind becoming west 5 to 8 mph after midnight. Winds could gust as high as 16 mph.
Monday
 
 A 20 percent chance of showers after 11am. Mostly sunny, with a high near 50. Breezy, with a west wind 11 to 16 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 34 mph.
Monday Night
 
 Partly cloudy, with a low around 32. West wind 9 to 13 mph, with gusts as high as 26 mph.
Tuesday
 
 A chance of rain and snow before 5pm, then a slight chance of rain. Mostly cloudy, with a high near 44. Northwest wind 10 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Tuesday Night
 
 A slight chance of rain and snow before 10pm, then a slight chance of snow between 10pm and 11pm. Mostly cloudy, with a low around 28. Northwest wind 8 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Wednesday
 
 Mostly sunny, with a high near 51. West wind 8 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
 
 Partly cloudy, with a low around 39. West wind 10 to 14 mph, with gusts as high as 28 mph.
Thursday
 
 Sunny, with a high near 62. West wind 11 to 16 mph, with gusts as high as 29 mph.
Thursday Night
 
 Mostly clear, with a low around 35.
Friday
 
 Sunny, with a high near 56.
Friday Night
 
 Mostly clear, with a low around 35.
Saturday
 
 Mostly sunny, with a high near 55.
Saturday Night
 
 Partly cloudy, with a low around 34.
Sunday
 
 Mostly sunny, with a high near 57.

 

Forecast from NOAA-NWS for Spearfish SD.