National Weather Service Forecast for: Rapid City SD
Issued by: National Weather Service Rapid City, SD
Updated: 12:37 pm MDT Mar 19, 2026
 
This
Afternoon
This Afternoon: Partly sunny, with a high near 83. Northwest wind 8 to 11 mph, with gusts as high as 24 mph.
Partly Sunny


 Tonight

Tonight: Partly cloudy, with a low around 48. West wind around 6 mph, with gusts as high as 17 mph.
Partly Cloudy


 Friday

Friday: Sunny, with a high near 83. Northwest wind 5 to 10 mph, with gusts as high as 23 mph.
Sunny


 Friday
Night
Friday Night: Mostly clear, with a low around 51. Northwest wind 5 to 7 mph becoming southwest after midnight. Winds could gust as high as 16 mph.
Mostly Clear


 Saturday

Saturday: Sunny, with a high near 91. Southwest wind 6 to 11 mph becoming northwest 13 to 18 mph in the afternoon. Winds could gust as high as 30 mph.
Sunny


 Saturday
Night
Saturday Night: A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 42. Breezy, with a north wind 16 to 21 mph, with gusts as high as 29 mph.
Breezy.
Partly Cloudy
then Slight
Chance
Showers
 Sunday

Sunday: Mostly sunny, with a high near 60. North wind 11 to 17 mph, with gusts as high as 25 mph.
Mostly Sunny


 Sunday
Night
Sunday Night: Partly cloudy, with a low around 33. North wind 5 to 10 mph becoming south after midnight. Winds could gust as high as 21 mph.
Partly Cloudy


 Monday

Monday: Partly sunny, with a high near 67.
Partly Sunny
Hi 83 °F Lo 48 °F Hi 83 °F Lo 51 °F Hi 91 °F Lo 42 °F Hi 60 °F Lo 33 °F Hi 67 °F

Hazardous Weather Outlook
Red Flag Warning
 

This Afternoon
 
 Partly sunny, with a high near 83. Northwest wind 8 to 11 mph, with gusts as high as 24 mph.
Tonight
 
 Partly cloudy, with a low around 48. West wind around 6 mph, with gusts as high as 17 mph.
Friday
 
 Sunny, with a high near 83. Northwest wind 5 to 10 mph, with gusts as high as 23 mph.
Friday Night
 
 Mostly clear, with a low around 51. Northwest wind 5 to 7 mph becoming southwest after midnight. Winds could gust as high as 16 mph.
Saturday
 
 Sunny, with a high near 91. Southwest wind 6 to 11 mph becoming northwest 13 to 18 mph in the afternoon. Winds could gust as high as 30 mph.
Saturday Night
 
 A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 42. Breezy, with a north wind 16 to 21 mph, with gusts as high as 29 mph.
Sunday
 
 Mostly sunny, with a high near 60. North wind 11 to 17 mph, with gusts as high as 25 mph.
Sunday Night
 
 Partly cloudy, with a low around 33. North wind 5 to 10 mph becoming south after midnight. Winds could gust as high as 21 mph.
Monday
 
 Partly sunny, with a high near 67.
Monday Night
 
 Mostly cloudy, with a low around 38.
Tuesday
 
 Partly sunny, with a high near 66.
Tuesday Night
 
 Mostly cloudy, with a low around 43.
Wednesday
 
 Mostly sunny, with a high near 80.

 

Forecast from NOAA-NWS for Rapid City SD.