National Weather Service Forecast for: Spearfish SD
Issued by: National Weather Service Rapid City, SD
Updated: 12:28 am MDT Jun 30, 2026
 
Overnight

Overnight: Mostly clear, with a low around 53. Southwest wind 5 to 7 mph, with gusts as high as 17 mph.
Mostly Clear

 Tuesday

Tuesday: Sunny, with a high near 83. Southwest wind 7 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 22 mph.
Sunny

 Tuesday
Night
Tuesday Night: A 30 percent chance of showers, mainly after midnight. Increasing clouds, with a low around 57. North wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 16 mph.
Chance
Showers

 Wednesday

Wednesday: A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 82. Calm wind becoming northeast around 6 mph in the afternoon. Winds could gust as high as 15 mph.
Mostly Sunny
then Chance
T-storms
 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 60. Southeast wind 5 to 7 mph.
Mostly Clear

 Thursday

Thursday: A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 87. Light and variable wind becoming east 5 to 8 mph in the afternoon. Winds could gust as high as 17 mph. Chance of precipitation is 50%.
Slight Chance
Showers then
Chance
Showers
 Thursday
Night
Thursday Night: Partly cloudy, with a low around 59.
Partly Cloudy

 Friday

Friday: A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 87.
Mostly Sunny
then Chance
T-storms
 Friday
Night
Friday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 59.
Chance
T-storms then
Chance
Showers
Lo 53 °F Hi 83 °F Lo 57 °F Hi 82 °F Lo 60 °F Hi 87 °F Lo 59 °F Hi 87 °F Lo 59 °F

 

Overnight
 
 Mostly clear, with a low around 53. Southwest wind 5 to 7 mph, with gusts as high as 17 mph.
Tuesday
 
 Sunny, with a high near 83. Southwest wind 7 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 22 mph.
Tuesday Night
 
 A 30 percent chance of showers, mainly after midnight. Increasing clouds, with a low around 57. North wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 16 mph.
Wednesday
 
 A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 82. Calm wind becoming northeast around 6 mph in the afternoon. Winds could gust as high as 15 mph.
Wednesday Night
 
 Mostly clear, with a low around 60. Southeast wind 5 to 7 mph.
Thursday
 
 A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 87. Light and variable wind becoming east 5 to 8 mph in the afternoon. Winds could gust as high as 17 mph. Chance of precipitation is 50%.
Thursday Night
 
 Partly cloudy, with a low around 59.
Friday
 
 A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 87.
Friday Night
 
 A chance of showers and thunderstorms. Partly cloudy, with a low around 59.
Independence Day
 
 A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 81.
Saturday Night
 
 A slight chance of showers and thunderstorms. Mostly clear, with a low around 58.
Sunday
 
 Sunny, with a high near 87.
Sunday Night
 
 Mostly clear, with a low around 63.
Monday
 
 A slight chance of showers and thunderstorms. Sunny, with a high near 91.

 

Forecast from NOAA-NWS for Spearfish SD.