National Weather Service Forecast for: Blackhawk SD
Issued by: National Weather Service Rapid City, SD
Updated: 1:31 am MST Dec 5, 2025
 
Overnight

Overnight: A 30 percent chance of snow, mainly after 5am. Mostly cloudy, with a steady temperature around 38. Northwest wind around 14 mph, with gusts as high as 32 mph.
Chance Snow

 Friday

Friday: A 30 percent chance of snow, mainly before 11am. Partly sunny, with a temperature falling to around 28 by 5pm. Wind chill values as low as 20. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 37 mph.
Chance Snow
and Breezy
 Friday
Night
Friday Night: Mostly cloudy, with a low around 21. Wind chill values as low as 13. South wind 5 to 8 mph, with gusts as high as 16 mph.
Mostly Cloudy

 Saturday

Saturday: A 50 percent chance of snow. Partly sunny, with a high near 35. Wind chill values as low as 15. Northwest wind 6 to 14 mph, with gusts as high as 29 mph. New snow accumulation of less than a half inch possible.
Chance Snow

 Saturday
Night
Saturday Night: A 20 percent chance of snow after 11pm. Mostly cloudy, with a low around 15. North wind 5 to 8 mph becoming south after midnight. Winds could gust as high as 17 mph.
Slight Chance
Snow
 Sunday

Sunday: A 20 percent chance of snow before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 41. South wind 7 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph.
Slight Chance
Snow then
Mostly Sunny
 Sunday
Night
Sunday Night: Partly cloudy, with a low around 25. West wind 7 to 10 mph, with gusts as high as 22 mph.
Partly Cloudy

 Monday

Monday: Sunny, with a high near 47. Northwest wind 13 to 18 mph, with gusts as high as 38 mph.
Sunny

 Monday
Night
Monday Night: Mostly cloudy, with a low around 32.
Mostly Cloudy
Lo 38 °F Hi 35 °F⇓ Lo 21 °F Hi 35 °F Lo 15 °F Hi 41 °F Lo 25 °F Hi 47 °F Lo 32 °F

 

Overnight
 
 A 30 percent chance of snow, mainly after 5am. Mostly cloudy, with a steady temperature around 38. Northwest wind around 14 mph, with gusts as high as 32 mph.
Friday
 
 A 30 percent chance of snow, mainly before 11am. Partly sunny, with a temperature falling to around 28 by 5pm. Wind chill values as low as 20. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 37 mph.
Friday Night
 
 Mostly cloudy, with a low around 21. Wind chill values as low as 13. South wind 5 to 8 mph, with gusts as high as 16 mph.
Saturday
 
 A 50 percent chance of snow. Partly sunny, with a high near 35. Wind chill values as low as 15. Northwest wind 6 to 14 mph, with gusts as high as 29 mph. New snow accumulation of less than a half inch possible.
Saturday Night
 
 A 20 percent chance of snow after 11pm. Mostly cloudy, with a low around 15. North wind 5 to 8 mph becoming south after midnight. Winds could gust as high as 17 mph.
Sunday
 
 A 20 percent chance of snow before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 41. South wind 7 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph.
Sunday Night
 
 Partly cloudy, with a low around 25. West wind 7 to 10 mph, with gusts as high as 22 mph.
Monday
 
 Sunny, with a high near 47. Northwest wind 13 to 18 mph, with gusts as high as 38 mph.
Monday Night
 
 Mostly cloudy, with a low around 32.
Tuesday
 
 A chance of rain after 11am. Partly sunny, with a high near 54. Breezy.
Tuesday Night
 
 A chance of rain and snow. Mostly cloudy, with a low around 30. Blustery.
Wednesday
 
 A chance of snow. Mostly sunny, with a high near 40.
Wednesday Night
 
 A chance of snow. Mostly cloudy, with a low around 26.
Thursday
 
 A chance of rain and snow. Partly sunny, with a high near 40.

 

Forecast from NOAA-NWS for Blackhawk SD.