South Dakota weather live forecast

Today's maximum temperature in South Dakota is expected to be 64°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 Saturday 6th 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 Saturday 6th September 2025

Expect scattered clouds in South Dakota with a maximum temperature of 64°F, maximum UV of 3 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 12 mph from the north-west.

  • 64°F maximum temperature64
    °F maximum temperature
  • 43°F minimum temperature43
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 64°F wind chill64
    °F wind chill
  • Moderate breeze of 12 mph from the North-West12
    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 70°F, maximum UV of 6 (High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 11 mph from the south.

  • 70°F maximum temperature70
    °F maximum temperature
  • 41°F minimum temperature41
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 10 hours of bright sunshine10
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 70°F wind chill70
    °F wind chill
  • Gentle breeze of 11 mph from the South11
    mph wind from S

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South Dakota weather for Monday 8th September 2025

Expect isolated thunderstorms in South Dakota with a maximum temperature of 81°F, low levels of heat & humidity, maximum UV of 5 (Moderate) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 47% chance of some rain and a moderate breeze of 16 mph from the south.

  • 81°F maximum temperature81
    °F maximum temperature
  • 57°F minimum temperature57
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 47% chance of some rain47
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Moderate breeze of 16 mph from the South16
    mph wind from S

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South Dakota weather for Tuesday 9th September 2025

Expect isolated thunderstorms in South Dakota with a maximum temperature of 82°F, low levels of heat & humidity, maximum UV of 5 (Moderate) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 29% chance of some rain and a gentle breeze of 9 mph from the south.

  • 82°F maximum temperature82
    °F maximum temperature
  • 63°F minimum temperature63
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 29% chance of some rain29
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Gentle breeze of 9 mph from the South9
    mph wind from S

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South Dakota weather for Wednesday 10th September 2025

Expect scattered clouds in South Dakota with a maximum temperature of 82°F, low levels of heat & humidity, maximum UV of 4 (Moderate) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 11 mph from the east.

  • 82°F maximum temperature82
    °F maximum temperature
  • 59°F minimum temperature59
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Gentle breeze of 11 mph from the East11
    mph wind from E

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