Rapid City weather live forecast

Today's maximum temperature in Rapid City is expected to be 84°F. Select a day from the live weather forecast for Rapid City, South Dakota, USA for more weather parameters.

Wednesday
5th Aug
84

59

12

6
Thursday
6th Aug
93

63

12

7
Friday
7th Aug
90

64

12

7
Saturday
8th Aug
95

64

10

7
Sunday
9th Aug
95

66

7

6

5-day weather forecast updated at 04:00 on Wednesday 5th August 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 Wednesday 5th August 2026

Expect scattered clouds in Rapid City, South Dakota with a maximum temperature of 84°F, low levels of heat & humidity, maximum UV of 6 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 mph from the south-east.

84
°F maximum temperature
59
°F minimum temperature
scattered clouds
12
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
7
mph wind from SE

Rapid City weather for Thursday 6th August 2026

Expect scattered clouds in Rapid City, South Dakota with a maximum temperature of 93°F, high levels of heat & humidity, maximum UV of 7 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 9 mph from the north-east.

93
°F maximum temperature
63
°F minimum temperature
scattered clouds
12
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
H
high heat & humidity
9
mph wind from NE

Rapid City weather for Friday 7th August 2026

Expect scattered clouds in Rapid City, South Dakota with a maximum temperature of 90°F, moderate levels of heat & humidity, maximum UV of 7 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 13 mph from the south-east.

90
°F maximum temperature
64
°F minimum temperature
scattered clouds
12
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
M
moderate heat & humidity
13
mph wind from SE

Rapid City weather for Saturday 8th August 2026

Expect scattered clouds in Rapid City, South Dakota with a maximum temperature of 95°F, high levels of heat & humidity, maximum UV of 7 (High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 9 mph from the north-east.

95
°F maximum temperature
64
°F minimum temperature
scattered clouds
10
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
H
high heat & humidity
9
mph wind from NE

Rapid City weather for Sunday 9th August 2026

Expect isolated thunderstorms in Rapid City, South Dakota with a maximum temperature of 95°F, high levels of heat & humidity, maximum UV of 6 (High) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 20% chance of some rain and a gentle breeze of 12 mph from the south-east.