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.

5-day weather forecast updated at 04:01 on Friday 15th August 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 Friday 15th August 2025

Expect scattered clouds in Rapid City, South Dakota with a maximum temperature of 84°F, moderate 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 east.

  • 84°F maximum temperature84
    °F maximum temperature
  • 68°F minimum temperature68
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 10 hours of bright sunshine10
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Gentle breeze of 9 mph from the East9
    mph wind from E

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Rapid City weather for Saturday 16th August 2025

Expect isolated thunderstorms in Rapid City, South Dakota with a maximum temperature of 79°F, low levels of heat & humidity, maximum UV of 6 (High) and 6 hours of bright sunshine. There are 20-30 mm of rainfall expected with 45% chance of some rain and a gentle breeze of 9 mph from the east.

  • 79°F maximum temperature79
    °F maximum temperature
  • 68°F minimum temperature68
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 45% chance of some rain45
    % chance of some rain
  • 20-30 mm of rainfall expected<30
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Gentle breeze of 9 mph from the East9
    mph wind from E

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Rapid City weather for Sunday 17th August 2025

Expect isolated thunderstorms in Rapid City, South Dakota with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 6 (High) and 10 hours of bright sunshine. There are 0-2 mm of rainfall expected with 33% chance of some rain and a gentle breeze of 8 mph from the south-east.

  • 84°F maximum temperature84
    °F maximum temperature
  • 66°F minimum temperature66
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 10 hours of bright sunshine10
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 33% chance of some rain33
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 8 mph from the South-East8
    mph wind from SE

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Rapid City weather for Monday 18th August 2025

Expect isolated thunderstorms in Rapid City, South Dakota with a maximum temperature of 82°F, low levels of heat & humidity, maximum UV of 7 (High) and 9 hours of bright sunshine. There are 0-2 mm of rainfall expected with 37% chance of some rain and a light breeze of 7 mph from the south-east.

  • 82°F maximum temperature82
    °F maximum temperature
  • 66°F minimum temperature66
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 37% chance of some rain37
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Light breeze of 7 mph from the South-East7
    mph wind from SE

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Rapid City weather for Tuesday 19th August 2025

Expect isolated thunderstorms in Rapid City, South Dakota with a maximum temperature of 88°F, 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 24% chance of some rain and a light breeze of 7 mph from the south-east.

  • 88°F maximum temperature88
    °F maximum temperature
  • 64°F minimum temperature64
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 24% chance of some rain24
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Light breeze of 7 mph from the South-East7
    mph wind from SE

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