Rapid City weather live forecast

Today's maximum temperature in Rapid City is expected to be 15°C. Select a day from the live weather forecast for Rapid City, South Dakota, USA for more weather parameters.

Wednesday
17th Dec
15

2

3

1
Thursday
18th Dec
1

-5

8

1
Friday
19th Dec
14

-1

3

1
Saturday
20th Dec
3

0

0

1
Sunday
21st Dec
5

-2

0

1

5-day weather forecast updated at 04:01 on Wednesday 17th December 2025 GMT

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The 5-day weather forecast for South Dakota (Rapid City) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Rapid City weather forecast by day

Below are the detailed weather forecasts for Rapid City for the next 5 days.

Rapid City weather for Wednesday 17th December 2025

Expect mostly cloudy with light rain in Rapid City, South Dakota with a maximum temperature of 15°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 46% chance of some rain and a strong breeze of 43 kph from the west.

15
°C maximum temperature
2
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
1
UV index (Low)
46
% chance of some rain
<2
mm of rainfall expected
15
°C wind chill
43
kph wind from W

Rapid City weather for Thursday 18th December 2025

Expect scattered clouds in Rapid City, South Dakota with a maximum temperature of 1°C, maximum UV of 1 (Low) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a strong breeze of 49 kph from the north-west.

1
°C maximum temperature
-5
°C minimum temperature
scattered clouds
8
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
-6
°C wind chill
49
kph wind from NW

Rapid City weather for Friday 19th December 2025

Expect broken clouds in Rapid City, South Dakota with a maximum temperature of 14°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 31 kph from the west.

14
°C maximum temperature
-1
°C minimum temperature
broken clouds
3
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
31
kph wind from W

Rapid City weather for Saturday 20th December 2025

Expect overcast skies in Rapid City, South Dakota with a maximum temperature of 3°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the north-west.

3
°C maximum temperature
0
°C minimum temperature
overcast skies
0
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
-1
°C wind chill
15
kph wind from NW

Rapid City weather for Sunday 21st December 2025

Expect mostly cloudy with light rain in Rapid City, South Dakota with a maximum temperature of 5°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 15% chance of some rain and a light breeze of 12 kph from the south.