National Weather Service Forecast for: Rapid City SD
Issued by: National Weather Service Rapid City, SD
Updated: 12:43 pm MDT May 4, 2026
 
This
Afternoon
This Afternoon: A 20 percent chance of showers after 4pm. Mostly cloudy, with a high near 57. Breezy, with a northwest wind 18 to 21 mph, with gusts as high as 38 mph.
Slight Chance
Showers and
Breezy
 Tonight

Tonight: A 20 percent chance of showers before 8pm. Mostly cloudy, with a low around 33. Northwest wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 34 mph.
Slight Chance
Showers then
Mostly Cloudy
 Tuesday

Tuesday: Partly sunny, with a high near 49. North wind 6 to 15 mph, with gusts as high as 29 mph.
Partly Sunny

 Tuesday
Night
Tuesday Night: Partly cloudy, with a low around 29. North wind 5 to 13 mph, with gusts as high as 25 mph.
Partly Cloudy

 Wednesday

Wednesday: Partly sunny, with a high near 54. North wind 5 to 9 mph, with gusts as high as 21 mph.
Partly Sunny

 Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 34. Northwest wind 5 to 8 mph becoming southwest in the evening. Winds could gust as high as 17 mph.
Partly Cloudy

 Thursday

Thursday: A 20 percent chance of showers after noon. Mostly sunny, with a high near 67. West wind 5 to 13 mph becoming north in the afternoon. Winds could gust as high as 25 mph.
Mostly Sunny
then Slight
Chance
Showers
 Thursday
Night
Thursday Night: A chance of showers, mainly before midnight. Mostly cloudy, with a low around 42. West wind 6 to 13 mph, with gusts as high as 26 mph.
Chance
Showers

 Friday

Friday: A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 69.
Chance
Showers
Hi 57 °F Lo 33 °F Hi 49 °F Lo 29 °F Hi 54 °F Lo 34 °F Hi 67 °F Lo 42 °F Hi 69 °F

 

This Afternoon
 
 A 20 percent chance of showers after 4pm. Mostly cloudy, with a high near 57. Breezy, with a northwest wind 18 to 21 mph, with gusts as high as 38 mph.
Tonight
 
 A 20 percent chance of showers before 8pm. Mostly cloudy, with a low around 33. Northwest wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 34 mph.
Tuesday
 
 Partly sunny, with a high near 49. North wind 6 to 15 mph, with gusts as high as 29 mph.
Tuesday Night
 
 Partly cloudy, with a low around 29. North wind 5 to 13 mph, with gusts as high as 25 mph.
Wednesday
 
 Partly sunny, with a high near 54. North wind 5 to 9 mph, with gusts as high as 21 mph.
Wednesday Night
 
 Partly cloudy, with a low around 34. Northwest wind 5 to 8 mph becoming southwest in the evening. Winds could gust as high as 17 mph.
Thursday
 
 A 20 percent chance of showers after noon. Mostly sunny, with a high near 67. West wind 5 to 13 mph becoming north in the afternoon. Winds could gust as high as 25 mph.
Thursday Night
 
 A chance of showers, mainly before midnight. Mostly cloudy, with a low around 42. West wind 6 to 13 mph, with gusts as high as 26 mph.
Friday
 
 A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 69.
Friday Night
 
 Mostly cloudy, with a low around 44.
Saturday
 
 Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 67.
Saturday Night
 
 A chance of showers. Mostly cloudy, with a low around 42.
Sunday
 
 A chance of showers. Mostly sunny, with a high near 65.

 

Forecast from NOAA-NWS for Rapid City SD.