South Dakota weather live forecast

Today's maximum temperature in South Dakota is expected to be 73°F. 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 Thursday 4th 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.

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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 Thursday 4th September 2025

Expect isolated thunderstorms in South Dakota with a maximum temperature of 73°F, maximum UV of 6 (High) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 68% chance of some rain and a fresh breeze of 21 mph from the north-west.

  • 73°F maximum temperature73
    °F maximum temperature
  • 46°F minimum temperature46
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 68% chance of some rain68
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Fresh breeze of 21 mph from the North-West21
    mph wind from NW

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South Dakota weather for Friday 5th September 2025

Expect broken clouds in South Dakota with a maximum temperature of 61°F, maximum UV of 3 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 17 mph from the north-west.

  • 61°F maximum temperature61
    °F maximum temperature
  • 46°F minimum temperature46
    °F minimum temperature
  • Broken clouds
    broken clouds
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 17 mph from the North-West17
    mph 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 66°F, maximum UV of 5 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 13 mph from the north-west.

  • 66°F maximum temperature66
    °F maximum temperature
  • 41°F minimum temperature41
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 66°F wind chill66
    °F wind chill
  • Moderate breeze of 13 mph from the North-West13
    mph 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 66°F, maximum UV of 5 (Moderate) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 mph from the north.

  • 66°F maximum temperature66
    °F maximum temperature
  • 39°F minimum temperature39
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 7 mph from the North7
    mph wind from N

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South Dakota weather for Monday 8th September 2025

Expect scattered clouds in South Dakota with a maximum temperature of 75°F, maximum UV of 6 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 17 mph from the south.

  • 75°F maximum temperature75
    °F maximum temperature
  • 45°F minimum temperature45
    °F 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
  • 75°F wind chill75
    °F wind chill
  • Moderate breeze of 17 mph from the South17
    mph wind from S

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