Rapid City weather live forecast

Today's maximum temperature in Rapid City is expected to be 79°F. Select a day from the live weather forecast for Rapid City, South Dakota, USA for more weather parameters.

Saturday
16th May
79

54

10

7
Sunday
17th May
63

50

3

7
Monday
18th May
50

41

0

1
Tuesday
19th May
54

39

10

5
Wednesday
20th May
64

39

8

7

5-day weather forecast updated at 04:00 on Saturday 16th May 2026 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 Saturday 16th May 2026

Expect isolated thunderstorms in Rapid City, South Dakota with a maximum temperature of 79°F, maximum UV of 7 (High) and 10 hours of bright sunshine. There are 2-5 mm of rainfall expected with 81% chance of some rain and a moderate breeze of 14 mph from the south-east.

79
°F maximum temperature
54
°F minimum temperature
isolated thunderstorms
10
hours of sunshine
7
UV index (High)
81
% chance of some rain
<5
mm of rainfall expected
79
°F wind chill
14
mph wind from SE

Rapid City weather for Sunday 17th May 2026

Expect isolated thunderstorms in Rapid City, South Dakota with a maximum temperature of 63°F, maximum UV of 7 (High) and 3 hours of bright sunshine. There are 2-5 mm of rainfall expected with 33% chance of some rain and a fresh breeze of 20 mph from the north.

63
°F maximum temperature
50
°F minimum temperature
isolated thunderstorms
3
hours of sunshine
7
UV index (High)
33
% chance of some rain
<5
mm of rainfall expected
63
°F wind chill
20
mph wind from N

Rapid City weather for Monday 18th May 2026

Expect cloudy with some rain in Rapid City, South Dakota with a maximum temperature of 50°F, maximum UV of 1 (Low) and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 78% chance of some rain and a fresh breeze of 19 mph from the north.

50
°F maximum temperature
41
°F minimum temperature
cloudy with some rain
0
hours of sunshine
1
UV index (Low)
78
% chance of some rain
<20
mm of rainfall expected
43
°F wind chill
19
mph wind from N

Rapid City weather for Tuesday 19th May 2026

Expect sunshine and showers in Rapid City, South Dakota with a maximum temperature of 54°F, maximum UV of 5 (Moderate) and 10 hours of bright sunshine. There are 0-2 mm of rainfall expected with 17% chance of some rain and a gentle breeze of 10 mph from the north.

54
°F maximum temperature
39
°F minimum temperature
sunshine and showers
10
hours of sunshine
5
UV index (Moderate)
17
% chance of some rain
<2
mm of rainfall expected
54
°F wind chill
10
mph wind from N

Rapid City weather for Wednesday 20th May 2026

Expect sunshine and showers in Rapid City, South Dakota with a maximum temperature of 64°F, maximum UV of 7 (High) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 37% chance of some rain and a gentle breeze of 9 mph from the south-east.