Rapid City weather live forecast

Today's maximum temperature in Rapid City is expected to be 32°C. Select a day from the live weather forecast for Rapid City, South Dakota, USA for more weather parameters.

Tuesday
11th Aug
32

20

9

7
Wednesday
12th Aug
27

19

3

4
Thursday
13th Aug
23

18

2

6
Friday
14th Aug
24

18

4

7
Saturday
15th Aug
24

17

6

7

5-day weather forecast updated at 04:00 on Tuesday 11th 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 Tuesday 11th August 2026

Expect isolated thunderstorms in Rapid City, South Dakota with a maximum temperature of 32°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 9 hours of bright sunshine. There are 2-5 mm of rainfall expected with 45% chance of some rain and a gentle breeze of 16 kph from the south-east.

32
°C maximum temperature
20
°C minimum temperature
isolated thunderstorms
9
hours of sunshine
7
UV index (High)
45
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
16
kph wind from SE

Rapid City weather for Wednesday 12th August 2026

Expect isolated thunderstorms in Rapid City, South Dakota with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 4 (Moderate) and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 71% chance of some rain and a light breeze of 12 kph from the east.

27
°C maximum temperature
19
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
4
UV index (Moderate)
71
% chance of some rain
<10
mm of rainfall expected
L
low heat & humidity
12
kph wind from E

Rapid City weather for Thursday 13th August 2026

Expect isolated thunderstorms in Rapid City, South Dakota with a maximum temperature of 23°C, maximum UV of 6 (High) and 2 hours of bright sunshine. There are 5-10 mm of rainfall expected with 68% chance of some rain and a gentle breeze of 17 kph from the south-east.

23
°C maximum temperature
18
°C minimum temperature
isolated thunderstorms
2
hours of sunshine
6
UV index (High)
68
% chance of some rain
<10
mm of rainfall expected
23
°C wind chill
17
kph wind from SE

Rapid City weather for Friday 14th August 2026

Expect isolated thunderstorms in Rapid City, South Dakota with a maximum temperature of 24°C, maximum UV of 7 (High) and 4 hours of bright sunshine. There are 5-10 mm of rainfall expected with 66% chance of some rain and a gentle breeze of 17 kph from the south-east.

24
°C maximum temperature
18
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
7
UV index (High)
66
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
17
kph wind from SE

Rapid City weather for Saturday 15th August 2026

Expect isolated thunderstorms in Rapid City, South Dakota with a maximum temperature of 24°C, maximum UV of 7 (High) and 6 hours of bright sunshine. There are 5-10 mm of rainfall expected with 63% chance of some rain and a light breeze of 10 kph from the east.