South Dakota weather live forecast

Today's maximum temperature in South Dakota is expected to be 19°C. Select a day from the live weather forecast for South Dakota (Sioux Falls), USA for more weather parameters.

5-day weather forecast updated at 04:01 on Wednesday 3rd September 2025 GMT

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

Top South Dakota destinations

Below are temperatures expected today at popular countries, regions and places in South Dakota. Select a destination to see the detailed weather forecast for today, tomorrow and the outlook for the next five days.

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South Dakota weather forecast by day

Below are the detailed weather forecasts for South Dakota for the next 5 days. The forecasts shown are for Sioux Falls and may not represent the whole of South Dakota. Browse more destinations in South Dakota to view more weather forecasts.

South Dakota weather for Wednesday 3rd September 2025

Expect isolated thunderstorms in South Dakota with a maximum temperature of 19°C, maximum UV of 6 (High) and 6 hours of bright sunshine. There are 5-10 mm of rainfall expected with 23% chance of some rain and a moderate breeze of 22 kph from the north.

  • 19°C maximum temperature19
    °C maximum temperature
  • 9°C minimum temperature9
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 23% chance of some rain23
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • 19°C wind chill19
    °C wind chill
  • Moderate breeze of 22 kph from the North22
    kph wind from N

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South Dakota weather for Thursday 4th September 2025

Expect broken clouds in South Dakota with a maximum temperature of 23°C, maximum UV of 6 (High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 32 kph from the north-west.

  • 23°C maximum temperature23
    °C maximum temperature
  • 6°C minimum temperature6
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 23°C wind chill23
    °C wind chill
  • Fresh breeze of 32 kph from the North-West32
    kph wind from NW

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South Dakota weather for Friday 5th September 2025

Expect scattered clouds in South Dakota with a maximum temperature of 17°C, maximum UV of 4 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 27 kph from the north-west.

  • 17°C maximum temperature17
    °C maximum temperature
  • 9°C minimum temperature9
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 27 kph from the North-West27
    kph wind from NW

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South Dakota weather for Saturday 6th September 2025

Expect scattered clouds in South Dakota with a maximum temperature of 20°C, maximum UV of 4 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the north-west.

  • 20°C maximum temperature20
    °C maximum temperature
  • 7°C minimum temperature7
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 20°C wind chill20
    °C wind chill
  • Gentle breeze of 19 kph from the North-West19
    kph wind from NW

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South Dakota weather for Sunday 7th September 2025

Expect scattered clouds in South Dakota with a maximum temperature of 22°C, maximum UV of 6 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the south.

  • 22°C maximum temperature22
    °C maximum temperature
  • 5°C minimum temperature5
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 11 hours of bright sunshine11
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 16 kph from the South16
    kph wind from S

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Metric (°C / mm)  |  Imperial (°F / inches)

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