National Weather Service Forecast for: Rapid City SD
Issued by: National Weather Service Rapid City, SD
Updated: 12:27 pm MDT Jul 28, 2026
 
This
Afternoon
This Afternoon: A 30 percent chance of showers and thunderstorms, mainly before 4pm. Sunny, with a high near 95. East wind around 10 mph, with gusts as high as 18 mph.
Chance
T-storms

 Tonight

Tonight: A 20 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 68. East wind 5 to 9 mph becoming light and variable after midnight. Winds could gust as high as 18 mph.
Slight Chance
T-storms then
Mostly Clear
 Wednesday

Wednesday: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 97. South wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. 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 8 to 13 mph becoming light and variable. Winds could gust as high as 26 mph. Chance of precipitation is 60%.
T-storms
Likely then
Chance
T-storms
 Thursday

Thursday: Showers likely and possibly a thunderstorm after noon. Cloudy, then gradually becoming mostly sunny, with a high near 92. West wind 5 to 15 mph becoming northeast in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 60%.
Partly Sunny
then Showers
Likely
 Thursday
Night
Thursday Night: Mostly clear, with a low around 63. North wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 28 mph.
Mostly Clear

 Friday

Friday: A 30 percent chance of showers and thunderstorms after noon. Sunny, with a high near 93.
Sunny then
Chance
T-storms
 Friday
Night
Friday Night: Partly cloudy, with a low around 65.
Partly Cloudy

 Saturday

Saturday: Sunny, with a high near 97.
Sunny
Hi 95 °F Lo 68 °F Hi 97 °F Lo 67 °F Hi 92 °F Lo 63 °F Hi 93 °F Lo 65 °F Hi 97 °F

 

This Afternoon
 
 A 30 percent chance of showers and thunderstorms, mainly before 4pm. Sunny, with a high near 95. East wind around 10 mph, with gusts as high as 18 mph.
Tonight
 
 A 20 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 68. East wind 5 to 9 mph becoming light and variable after midnight. Winds could gust as high as 18 mph.
Wednesday
 
 A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 97. South wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. 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 8 to 13 mph becoming light and variable. Winds could gust as high as 26 mph. Chance of precipitation is 60%.
Thursday
 
 Showers likely and possibly a thunderstorm after noon. Cloudy, then gradually becoming mostly sunny, with a high near 92. West wind 5 to 15 mph becoming northeast in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 60%.
Thursday Night
 
 Mostly clear, with a low around 63. North wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 28 mph.
Friday
 
 A 30 percent chance of showers and thunderstorms after noon. Sunny, with a high near 93.
Friday Night
 
 Partly cloudy, with a low around 65.
Saturday
 
 Sunny, with a high near 97.
Saturday Night
 
 Mostly clear, with a low around 71.
Sunday
 
 Sunny and hot, with a high near 104. Breezy.
Sunday Night
 
 Mostly clear, with a low around 71.
Monday
 
 Sunny, with a high near 91. Breezy.

 

Forecast from NOAA-NWS for Rapid City SD.