National Weather Service Forecast for: Blackhawk SD
Issued by: National Weather Service Rapid City, SD
Updated: 2:52 pm MDT Jul 28, 2026
 
This
Afternoon
This Afternoon: A 20 percent chance of showers and thunderstorms. Sunny, with a high near 94. East wind around 9 mph, with gusts as high as 21 mph.
Slight Chance
T-storms

 Tonight

Tonight: A 20 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 68. East wind 5 to 8 mph becoming southwest after midnight. Winds could gust as high as 20 mph.
Slight Chance
T-storms then
Partly Cloudy
 Wednesday

Wednesday: A 40 percent chance of showers and thunderstorms after noon. Increasing clouds, with a high near 96. Southwest wind 5 to 10 mph becoming southeast 11 to 16 mph in the morning. Winds could gust as high as 29 mph.
Sunny then
Chance
T-storms
 Wednesday
Night
Wednesday Night: Showers and thunderstorms likely, mainly before midnight. Mostly cloudy, with a low around 67. South wind 5 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.
T-storms
Likely then
Chance
T-storms
 Thursday

Thursday: A slight chance of showers, then showers likely and possibly a thunderstorm after noon. Cloudy, then gradually becoming mostly sunny, with a high near 90. West wind 5 to 13 mph becoming northeast in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 60%.
Slight Chance
Showers then
Showers
Likely
 Thursday
Night
Thursday Night: A 20 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 63. North wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 28 mph.
Slight Chance
T-storms then
Mostly Clear
 Friday

Friday: A 40 percent chance of showers and thunderstorms after noon. Sunny, with a high near 91.
Sunny then
Chance
T-storms
 Friday
Night
Friday Night: Mostly clear, with a low around 65.
Mostly Clear

 Saturday

Saturday: Sunny, with a high near 96.
Sunny
Hi 94 °F Lo 68 °F Hi 96 °F Lo 67 °F Hi 90 °F Lo 63 °F Hi 91 °F Lo 65 °F Hi 96 °F

 

This Afternoon
 
 A 20 percent chance of showers and thunderstorms. Sunny, with a high near 94. East wind around 9 mph, with gusts as high as 21 mph.
Tonight
 
 A 20 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 68. East wind 5 to 8 mph becoming southwest after midnight. Winds could gust as high as 20 mph.
Wednesday
 
 A 40 percent chance of showers and thunderstorms after noon. Increasing clouds, with a high near 96. Southwest wind 5 to 10 mph becoming southeast 11 to 16 mph in the morning. Winds could gust as high as 29 mph.
Wednesday Night
 
 Showers and thunderstorms likely, mainly before midnight. Mostly cloudy, with a low around 67. South wind 5 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.
Thursday
 
 A slight chance of showers, then showers likely and possibly a thunderstorm after noon. Cloudy, then gradually becoming mostly sunny, with a high near 90. West wind 5 to 13 mph becoming northeast in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 60%.
Thursday Night
 
 A 20 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 63. North wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 28 mph.
Friday
 
 A 40 percent chance of showers and thunderstorms after noon. Sunny, with a high near 91.
Friday Night
 
 Mostly clear, with a low around 65.
Saturday
 
 Sunny, with a high near 96.
Saturday Night
 
 Mostly clear, with a low around 72.
Sunday
 
 Sunny and hot, with a high near 102.
Sunday Night
 
 Mostly clear, with a low around 70.
Monday
 
 Sunny, with a high near 89. Breezy.
Monday Night
 
 A slight chance of showers. Mostly clear, with a low around 60.
Tuesday
 
 A slight chance of showers and thunderstorms. Mostly sunny, with a high near 83.

 

Forecast from NOAA-NWS for Blackhawk SD.