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September 6th, 2026 :: 7:43 pm MDT   

Local Weather Report for
Rapid City
South Dakota, United States

 Current Rapid City Weather Conditions Updated September 6th at 6:52 pm 
Temperature:86°F Dew Point:57°F
Barometer:29.89 inHg Wind:N 19 Mph
Humidity:37.7% Visibility:0M
 
 Rapid City Weather Forecast Summary  
 
Today
Sep 6th
Monday
Sep 7th
Tuesday
Sep 8th
Wednesday
Sep 9th
Thursday
Sep 10th
Mostly Sunny Mostly Sunny Mostly Sunny Mostly Sunny Mostly Sunny
95°F
94°F
74°F
85°F
64°F
80°F
58°F
94°F
61°F
 
 Rapid City Detailed Weather Forecast  
 
Sunday, September 6th, 2026
Evening Temperature: 90°F
Mostly clear. Chance of a thunderstorm. Windy.
Monday, September 7th, 2026
Overnight Temperature: 78°F
A mix of cloudy and clear skies. Slight chance of a thunderstorm. Windy at times.
Morning Temperature: 77°F
A mix of sun and cloud with a slight chance of showers.
Afternoon Temperature: 92°F
Mostly sunny. Windy.
Evening Temperature: 87°F
Clear. Windy.
Tuesday, September 8th, 2026
Overnight Temperature: 70°F
Clear.
Morning Temperature: 68°F
Sunny. Windy at times.
Afternoon Temperature: 84°F
Sunny. Windy.
Evening Temperature: 76°F
Mostly clear. Windy at times.
Wednesday, September 9th, 2026
Overnight Temperature: 65°F
Clear. Windy at times.
Morning Temperature: 62°F
Sunny.
Afternoon Temperature: 78°F
Mostly sunny.
Evening Temperature: 73°F
Clear.
Thursday, September 10th, 2026
Overnight Temperature: 64°F
Clear.
Morning Temperature: 67°F
Sunny.
Afternoon Temperature: 92°F
Mostly sunny. Windy.
Evening Temperature: 84°F
Clear. Windy at times.
Friday, September 11th, 2026
Overnight Temperature: 71°F
Clear with cloudy periods.
Morning Temperature: 70°F
Sunny with cloudy periods. Windy.
Afternoon Temperature: 78°F
Sunny. Windy.
Evening Temperature: 73°F
Mostly clear. Windy at times.
Saturday, September 12th, 2026
Overnight Temperature: 59°F
A mix of cloudy and clear skies. Windy at times.
Morning Temperature: 52°F
Mostly cloudy. Windy.
Afternoon Temperature: 48°F
Cloudy with a slight chance of showers. Windy.
Evening Temperature: 46°F
Cloudy with a chance of showers. Windy at times.
Sunday, September 13th, 2026
Overnight Temperature: 47°F
A mix of clear and cloudy skies with a chance of showers.
Morning Temperature: 48°F
Sunny with cloudy periods.
Afternoon Temperature: 63°F
Sunny. Windy at times.
Evening Temperature: 59°F
Clear. Windy at times.
Monday, September 14th, 2026
Overnight Temperature: 52°F
Clear.
Morning Temperature: 55°F
Sunny. Windy at times.
Afternoon Temperature: 75°F
Sunny. Windy at times.
Evening Temperature: 73°F
Clear. Windy at times.





 

  [ Local Weather Report ]
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6:55 PM  88°F
 
 
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6:53 PM  79°F
 
 
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6:55 PM  86°F
 
 
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6:55 PM  84°F
 
 
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6:52 PM  86°F
 
 
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6:56 PM  84°F
 
 
Buffalo, SD 
6:56 PM  88°F
 
 
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This WeatherCity Weather Forecast for Rapid City, South Dakota, United States is computed using a computer-generated forecast model and should be considered experimental. Please confirm this weather information with your official weather information office

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