National Weather Service Forecast for: Blackhawk SD
Issued by: National Weather Service Rapid City, SD
Updated: 9:22 am MDT May 4, 2026
 
Today

Today: A 30 percent chance of showers after noon. Mostly cloudy, with a high near 56. Breezy, with a northwest wind 20 to 22 mph, with gusts as high as 40 mph.
Chance
Showers and
Breezy
 Tonight

Tonight: A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 34. Northwest wind 13 to 18 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 36 mph.
Slight Chance
Showers then
Mostly Cloudy
 Tuesday

Tuesday: A chance of rain and snow showers between noon and 1pm, then a chance of rain showers after 1pm. Partly sunny, with a high near 50. North wind 6 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Partly Sunny
then Chance
Rain/Snow
 Tuesday
Night
Tuesday Night: A slight chance of rain and snow showers before 9pm, then a slight chance of snow showers between 9pm and midnight. Partly cloudy, with a low around 29. North wind 5 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Slight Chance
Rain/Snow
then Partly
Cloudy
 Wednesday

Wednesday: Partly sunny, with a high near 53. North wind 5 to 10 mph, with gusts as high as 24 mph.
Partly Sunny

 Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 34. Northwest wind 5 to 9 mph becoming southwest in the evening. Winds could gust as high as 20 mph.
Partly Cloudy

 Thursday

Thursday: A 20 percent chance of showers after noon. Mostly sunny, with a high near 65. West wind 6 to 11 mph becoming north in the morning. Winds could gust as high as 25 mph.
Mostly Sunny
then Slight
Chance
Showers
 Thursday
Night
Thursday Night: A chance of showers, mainly before midnight. Mostly cloudy, with a low around 41. North wind 5 to 11 mph becoming west after midnight. Winds could gust as high as 25 mph.
Chance
Showers

 Friday

Friday: A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 68.
Chance
Showers
Hi 56 °F Lo 34 °F Hi 50 °F Lo 29 °F Hi 53 °F Lo 34 °F Hi 65 °F Lo 41 °F Hi 68 °F

 

Today
 
 A 30 percent chance of showers after noon. Mostly cloudy, with a high near 56. Breezy, with a northwest wind 20 to 22 mph, with gusts as high as 40 mph.
Tonight
 
 A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 34. Northwest wind 13 to 18 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 36 mph.
Tuesday
 
 A chance of rain and snow showers between noon and 1pm, then a chance of rain showers after 1pm. Partly sunny, with a high near 50. North wind 6 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Tuesday Night
 
 A slight chance of rain and snow showers before 9pm, then a slight chance of snow showers between 9pm and midnight. Partly cloudy, with a low around 29. North wind 5 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Wednesday
 
 Partly sunny, with a high near 53. North wind 5 to 10 mph, with gusts as high as 24 mph.
Wednesday Night
 
 Partly cloudy, with a low around 34. Northwest wind 5 to 9 mph becoming southwest in the evening. Winds could gust as high as 20 mph.
Thursday
 
 A 20 percent chance of showers after noon. Mostly sunny, with a high near 65. West wind 6 to 11 mph becoming north in the morning. Winds could gust as high as 25 mph.
Thursday Night
 
 A chance of showers, mainly before midnight. Mostly cloudy, with a low around 41. North wind 5 to 11 mph becoming west after midnight. Winds could gust as high as 25 mph.
Friday
 
 A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 68.
Friday Night
 
 A slight chance of showers after midnight. Mostly cloudy, with a low around 45.
Saturday
 
 A chance of showers and thunderstorms. Partly sunny, with a high near 66.
Saturday Night
 
 A chance of showers and thunderstorms. Mostly cloudy, with a low around 44.
Sunday
 
 A chance of showers and thunderstorms. Mostly sunny, with a high near 67.

 

Forecast from NOAA-NWS for Blackhawk SD.