National Weather Service Forecast for: Rapid City SD
Issued by: National Weather Service Rapid City, SD
Updated: 4:23 am MDT Jun 30, 2026
 
Today

Today: Sunny, with a high near 90. West wind 5 to 10 mph, with gusts as high as 24 mph.
Sunny

 Tonight

Tonight: A slight chance of showers before midnight, then a chance of showers and thunderstorms between midnight and 3am, then a chance of showers after 3am. Increasing clouds, with a low around 59. North wind 5 to 9 mph becoming light and variable. Winds could gust as high as 22 mph. Chance of precipitation is 30%.
Chance
Showers
 Wednesday

Wednesday: A 20 percent chance of showers and thunderstorms after noon. Increasing clouds, with a high near 87. Northwest wind 5 to 7 mph becoming southeast in the afternoon. Winds could gust as high as 18 mph.
Sunny then
Slight Chance
T-storms
 Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 60. Southeast wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 17 mph.
Partly Cloudy

 Thursday

Thursday: A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 91. Light and variable wind becoming southeast 8 to 13 mph in the morning. Winds could gust as high as 26 mph.
Mostly Sunny
then Chance
T-storms
 Thursday
Night
Thursday Night: Partly cloudy, with a low around 61. East wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 22 mph.
Partly Cloudy

 Friday

Friday: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 91.
Mostly Sunny
then Chance
T-storms
 Friday
Night
Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
Chance
T-storms
 Independence
Day
Independence Day: A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 86.
Partly Sunny
then Chance
T-storms
Hi 90 °F Lo 59 °F Hi 87 °F Lo 60 °F Hi 91 °F Lo 61 °F Hi 91 °F Lo 61 °F Hi 86 °F

 

Today
 
 Sunny, with a high near 90. West wind 5 to 10 mph, with gusts as high as 24 mph.
Tonight
 
 A slight chance of showers before midnight, then a chance of showers and thunderstorms between midnight and 3am, then a chance of showers after 3am. Increasing clouds, with a low around 59. North wind 5 to 9 mph becoming light and variable. Winds could gust as high as 22 mph. Chance of precipitation is 30%.
Wednesday
 
 A 20 percent chance of showers and thunderstorms after noon. Increasing clouds, with a high near 87. Northwest wind 5 to 7 mph becoming southeast in the afternoon. Winds could gust as high as 18 mph.
Wednesday Night
 
 Partly cloudy, with a low around 60. Southeast wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 17 mph.
Thursday
 
 A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 91. Light and variable wind becoming southeast 8 to 13 mph in the morning. Winds could gust as high as 26 mph.
Thursday Night
 
 Partly cloudy, with a low around 61. East wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 22 mph.
Friday
 
 A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 91.
Friday Night
 
 A chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
Independence Day
 
 A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 86.
Saturday Night
 
 A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 59.
Sunday
 
 Sunny, with a high near 91.
Sunday Night
 
 Mostly clear, with a low around 63.
Monday
 
 Sunny, with a high near 94.

 

Forecast from NOAA-NWS for Rapid City SD.