National Weather Service Forecast for: Blackhawk SD
Issued by: National Weather Service Rapid City, SD
Updated: 4:16 pm MST Dec 17, 2025
 
This
Afternoon
This Afternoon: A 40 percent chance of rain. Mostly cloudy, with a steady temperature around 53. Windy, with a northwest wind around 30 mph, with gusts as high as 45 mph.
Chance Rain
and Windy


 Tonight

Tonight: A chance of rain before 7pm, then a slight chance of snow between 7pm and 9pm. Partly cloudy, with a low around 21. Wind chill values as low as 1. Very windy, with a northwest wind 33 to 43 mph, with gusts as high as 70 mph. Chance of precipitation is 30%.
Chance
Rain/Snow and
Windy then
Partly Cloudy
and Very
Windy
 Thursday

Thursday: Mostly sunny, with a high near 34. Wind chill values as low as 2. Very windy, with a northwest wind 30 to 40 mph decreasing to 14 to 24 mph. Winds could gust as high as 65 mph.
Mostly Sunny
and Very
Windy

 Thursday
Night
Thursday Night: Mostly cloudy, with a temperature falling to near 24 by 8pm, then rising to around 39 during the remainder of the night. Wind chill values as low as 15. South wind 6 to 14 mph, with gusts as high as 29 mph.
Mostly Cloudy


 Friday

Friday: Mostly sunny, with a high near 59. Breezy, with a west wind 14 to 22 mph, with gusts as high as 40 mph.
Mostly Sunny
and Breezy


 Friday
Night
Friday Night: A chance of rain before 9pm, then a chance of rain and snow between 9pm and 10pm, then a chance of snow after 10pm. Mostly cloudy, with a low around 28. Northwest wind 10 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Chance
Rain/Snow
then Chance
Snow

 Saturday

Saturday: A 20 percent chance of snow before 11am. Mostly sunny, with a high near 41. Northwest wind 8 to 14 mph, with gusts as high as 28 mph.
Slight Chance
Snow then
Sunny

 Saturday
Night
Saturday Night: Partly cloudy, with a low around 26. Southwest wind around 7 mph, with gusts as high as 15 mph.
Partly Cloudy


 Sunday

Sunday: Partly sunny, with a high near 48.
Partly Sunny
Hi 53 °F Lo 21 °F Hi 34 °F Lo 24 °F⇑ Hi 59 °F Lo 28 °F Hi 41 °F Lo 26 °F Hi 48 °F

High Wind Warning
Hazardous Weather Outlook
 

This Afternoon
 
 A 40 percent chance of rain. Mostly cloudy, with a steady temperature around 53. Windy, with a northwest wind around 30 mph, with gusts as high as 45 mph.
Tonight
 
 A chance of rain before 7pm, then a slight chance of snow between 7pm and 9pm. Partly cloudy, with a low around 21. Wind chill values as low as 1. Very windy, with a northwest wind 33 to 43 mph, with gusts as high as 70 mph. Chance of precipitation is 30%.
Thursday
 
 Mostly sunny, with a high near 34. Wind chill values as low as 2. Very windy, with a northwest wind 30 to 40 mph decreasing to 14 to 24 mph. Winds could gust as high as 65 mph.
Thursday Night
 
 Mostly cloudy, with a temperature falling to near 24 by 8pm, then rising to around 39 during the remainder of the night. Wind chill values as low as 15. South wind 6 to 14 mph, with gusts as high as 29 mph.
Friday
 
 Mostly sunny, with a high near 59. Breezy, with a west wind 14 to 22 mph, with gusts as high as 40 mph.
Friday Night
 
 A chance of rain before 9pm, then a chance of rain and snow between 9pm and 10pm, then a chance of snow after 10pm. Mostly cloudy, with a low around 28. Northwest wind 10 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Saturday
 
 A 20 percent chance of snow before 11am. Mostly sunny, with a high near 41. Northwest wind 8 to 14 mph, with gusts as high as 28 mph.
Saturday Night
 
 Partly cloudy, with a low around 26. Southwest wind around 7 mph, with gusts as high as 15 mph.
Sunday
 
 Partly sunny, with a high near 48.
Sunday Night
 
 Mostly cloudy, with a low around 33.
Monday
 
 Mostly sunny, with a high near 60.
Monday Night
 
 Mostly cloudy, with a low around 31.
Tuesday
 
 Mostly sunny, with a high near 49.
Tuesday Night
 
 Partly cloudy, with a low around 35.
Wednesday
 
 Mostly sunny, with a high near 58.

 

Forecast from NOAA-NWS for Blackhawk SD.