National Weather Service Forecast for: 3 Miles NNW Blackhawk SD
Issued by: National Weather Service Rapid City, SD
Updated: 2:49 pm MDT Mar 19, 2026
 
Tonight

Tonight: Partly cloudy, with a low around 53. West wind around 7 mph, with gusts as high as 17 mph.
Partly Cloudy

 Friday

Friday: Sunny, with a high near 81. Northwest wind 6 to 10 mph, with gusts as high as 25 mph.
Sunny

 Friday
Night
Friday Night: Mostly clear, with a low around 56. Northwest wind around 7 mph becoming southwest after midnight. Winds could gust as high as 16 mph.
Mostly Clear

 Saturday

Saturday: Sunny, with a high near 87. Southwest wind 6 to 16 mph becoming northwest in the afternoon. Winds could gust as high as 29 mph.
Sunny

 Saturday
Night
Saturday Night: A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 45. Northwest wind 16 to 18 mph, with gusts as high as 28 mph.
Partly Cloudy
then Slight
Chance
Showers
 Sunday

Sunday: Mostly sunny, with a high near 57. North wind 10 to 16 mph, with gusts as high as 25 mph.
Mostly Sunny

 Sunday
Night
Sunday Night: Partly cloudy, with a low around 36. North wind 5 to 9 mph becoming south after midnight. Winds could gust as high as 20 mph.
Partly Cloudy

 Monday

Monday: Partly sunny, with a high near 64. South wind 6 to 9 mph becoming northeast in the afternoon. Winds could gust as high as 20 mph.
Partly Sunny

 Monday
Night
Monday Night: Mostly cloudy, with a low around 39.
Mostly Cloudy
Lo 53 °F Hi 81 °F Lo 56 °F Hi 87 °F Lo 45 °F Hi 57 °F Lo 36 °F Hi 64 °F Lo 39 °F

Hazardous Weather Outlook
Red Flag Warning
 

Tonight
 
 Partly cloudy, with a low around 53. West wind around 7 mph, with gusts as high as 17 mph.
Friday
 
 Sunny, with a high near 81. Northwest wind 6 to 10 mph, with gusts as high as 25 mph.
Friday Night
 
 Mostly clear, with a low around 56. Northwest wind around 7 mph becoming southwest after midnight. Winds could gust as high as 16 mph.
Saturday
 
 Sunny, with a high near 87. Southwest wind 6 to 16 mph becoming northwest in the afternoon. Winds could gust as high as 29 mph.
Saturday Night
 
 A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 45. Northwest wind 16 to 18 mph, with gusts as high as 28 mph.
Sunday
 
 Mostly sunny, with a high near 57. North wind 10 to 16 mph, with gusts as high as 25 mph.
Sunday Night
 
 Partly cloudy, with a low around 36. North wind 5 to 9 mph becoming south after midnight. Winds could gust as high as 20 mph.
Monday
 
 Partly sunny, with a high near 64. South wind 6 to 9 mph becoming northeast in the afternoon. Winds could gust as high as 20 mph.
Monday Night
 
 Mostly cloudy, with a low around 39.
Tuesday
 
 Partly sunny, with a high near 64.
Tuesday Night
 
 Mostly cloudy, with a low around 48.
Wednesday
 
 Partly sunny, with a high near 76.
Wednesday Night
 
 A slight chance of rain and snow. Partly cloudy, with a low around 37. Breezy.
Thursday
 
 A slight chance of rain and snow. Mostly sunny, with a high near 49. Breezy.

 

Forecast from NOAA-NWS for 3 Miles NNW Blackhawk SD.