National Weather Service Forecast for: Rapid Valley SD
Issued by: National Weather Service Rapid City, SD
Updated: 3:47 am MDT Jun 22, 2026
 
Overnight

Overnight: Areas of drizzle and fog. Cloudy, with a low around 53. Light and variable wind.
Areas Drizzle
and Areas Fog

 Monday

Monday: Areas of drizzle, then showers and thunderstorms likely after noon. Areas of fog before 9am. Otherwise, mostly cloudy, with a high near 72. Southeast wind 5 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.
Areas Drizzle
and Areas Fog
then T-storms
Likely
 Monday
Night
Monday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 54. Southeast wind 5 to 9 mph becoming light and variable. Winds could gust as high as 24 mph.
Chance
T-storms

 Tuesday

Tuesday: A 20 percent chance of showers and thunderstorms before 9am. Cloudy, then gradually becoming mostly sunny, with a high near 74. North wind 9 to 15 mph, with gusts as high as 30 mph.
Slight Chance
T-storms then
Mostly Sunny
 Tuesday
Night
Tuesday Night: Partly cloudy, with a low around 50. North wind 5 to 9 mph becoming light northwest after midnight. Winds could gust as high as 22 mph.
Partly Cloudy

 Wednesday

Wednesday: A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 72. Light and variable wind becoming east 5 to 7 mph in the morning. Winds could gust as high as 16 mph. Chance of precipitation is 50%.
Chance
Showers

 Wednesday
Night
Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 50. Chance of precipitation is 30%.
Chance
Showers

 Thursday

Thursday: A slight chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 72.
Showers
Likely

 Thursday
Night
Thursday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 53.
Showers
Likely then
Chance
T-storms
Lo 53 °F Hi 72 °F Lo 54 °F Hi 74 °F Lo 50 °F Hi 72 °F Lo 50 °F Hi 72 °F Lo 53 °F

 

Overnight
 
 Areas of drizzle and fog. Cloudy, with a low around 53. Light and variable wind.
Monday
 
 Areas of drizzle, then showers and thunderstorms likely after noon. Areas of fog before 9am. Otherwise, mostly cloudy, with a high near 72. Southeast wind 5 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.
Monday Night
 
 A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 54. Southeast wind 5 to 9 mph becoming light and variable. Winds could gust as high as 24 mph.
Tuesday
 
 A 20 percent chance of showers and thunderstorms before 9am. Cloudy, then gradually becoming mostly sunny, with a high near 74. North wind 9 to 15 mph, with gusts as high as 30 mph.
Tuesday Night
 
 Partly cloudy, with a low around 50. North wind 5 to 9 mph becoming light northwest after midnight. Winds could gust as high as 22 mph.
Wednesday
 
 A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 72. Light and variable wind becoming east 5 to 7 mph in the morning. Winds could gust as high as 16 mph. Chance of precipitation is 50%.
Wednesday Night
 
 A chance of showers and thunderstorms. Mostly cloudy, with a low around 50. Chance of precipitation is 30%.
Thursday
 
 A slight chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 72.
Thursday Night
 
 Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 53.
Friday
 
 A slight chance of showers before noon. Partly sunny, with a high near 81.
Friday Night
 
 A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 59.
Saturday
 
 A chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Saturday Night
 
 A chance of showers and thunderstorms. Partly cloudy, with a low around 57.
Sunday
 
 A chance of showers and thunderstorms. Mostly sunny, with a high near 80.

 

Forecast from NOAA-NWS for Rapid Valley SD.