Keystone weather live forecast

Tomorrow's maximum temperature in Keystone is expected to be 37°F.

5-day weather forecast updated at 04:03 on Wednesday 19th March 2025 GMT

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

Keystone weather forecast by day

Below are the detailed weather forecasts for Keystone for the next 5 days.

Keystone weather for Wednesday 19th March 2025

Expect scattered clouds in Keystone, South Dakota with a maximum temperature of 37°F, maximum UV of 4 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 13 mph from the north.

  • 37°F maximum temperature37
    °F maximum temperature
  • 27°F minimum temperature27
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 28°F wind chill28
    °F wind chill
  • Moderate breeze of 13 mph from the North13
    mph wind from N

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Keystone weather for Thursday 20th March 2025

Expect broken clouds in Keystone, South Dakota with a maximum temperature of 50°F, maximum UV of 4 (Moderate) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 12 mph from the west.

  • 50°F maximum temperature50
    °F maximum temperature
  • 27°F minimum temperature27
    °F minimum temperature
  • Broken clouds
    broken clouds
  • 2 hours of bright sunshine2
    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
  • Gentle breeze of 12 mph from the West12
    mph wind from W

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Keystone weather for Friday 21st March 2025

Expect scattered clouds in Keystone, South Dakota with a maximum temperature of 46°F, maximum UV of 4 (Moderate) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 16 mph from the north-west.

  • 46°F maximum temperature46
    °F maximum temperature
  • 32°F minimum temperature32
    °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
  • 39°F wind chill39
    °F wind chill
  • Moderate breeze of 16 mph from the North-West16
    mph wind from NW

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Keystone weather for Saturday 22nd March 2025

Expect broken clouds in Keystone, South Dakota with a maximum temperature of 52°F, maximum UV of 3 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 12 mph from the west.

  • 52°F maximum temperature52
    °F maximum temperature
  • 32°F minimum temperature32
    °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
  • 52°F wind chill52
    °F wind chill
  • Moderate breeze of 12 mph from the West12
    mph wind from W

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Keystone weather for Sunday 23rd March 2025

Expect broken clouds in Keystone, South Dakota with a maximum temperature of 45°F, maximum UV of 4 (Moderate) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 16 mph from the north-west.

  • 45°F maximum temperature45
    °F maximum temperature
  • 32°F minimum temperature32
    °F minimum temperature
  • Broken clouds
    broken clouds
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 37°F wind chill37
    °F wind chill
  • Moderate breeze of 16 mph from the North-West16
    mph wind from NW

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