Keystone weather live forecast

Tomorrow's maximum temperature in Keystone is expected to be 23°C.

  • Sunday
    19th May
    Isolated thunderstorms (2-5 mm of rainfall expected)
  • Monday
    20th May
    Cloudy with some rain (10-20 mm of rainfall expected)
  • Tuesday
    21st May
    Cloudy with some rain (10-20 mm of rainfall expected)
  • Wednesday
    22nd May
    Broken clouds
  • Thursday
    23rd May
    Broken clouds

5-day weather forecast updated at 04:03 on Sunday 19th May 2024 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 Sunday 19th May 2024

Expect isolated thunderstorms in Keystone, South Dakota with a maximum temperature of 23°C, maximum UV of 7 (High) and 8 hours of bright sunshine. There are 2-5 mm of rainfall expected with 40% chance of some rain and a gentle breeze of 16 kph from the south-west.

  • 23°C maximum temperature23
    °C maximum temperature
  • 10°C minimum temperature10
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 40% chance of some rain40
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 16 kph from the South-West16
    kph wind from SW

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Keystone weather for Monday 20th May 2024

Expect cloudy with some rain in Keystone, South Dakota with a maximum temperature of 11°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 86% chance of some rain and a gentle breeze of 16 kph from the north.

  • 11°C maximum temperature11
    °C maximum temperature
  • 6°C minimum temperature6
    °C minimum temperature
  • Cloudy with some rain
    cloudy with some rain
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 86% chance of some rain86
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 16 kph from the North16
    kph wind from N

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Keystone weather for Tuesday 21st May 2024

Expect cloudy with some rain in Keystone, South Dakota with a maximum temperature of 9°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 87% chance of some rain and a gentle breeze of 14 kph from the north.

  • 9°C maximum temperature9
    °C maximum temperature
  • 6°C minimum temperature6
    °C minimum temperature
  • Cloudy with some rain
    cloudy with some rain
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 87% chance of some rain87
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • 7°C wind chill7
    °C wind chill
  • Gentle breeze of 14 kph from the North14
    kph wind from N

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Keystone weather for Wednesday 22nd May 2024

Expect broken clouds in Keystone, South Dakota with a maximum temperature of 16°C, maximum UV of 7 (High) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the south-west.

  • 16°C maximum temperature16
    °C maximum temperature
  • 5°C minimum temperature5
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 16°C wind chill16
    °C wind chill
  • Light breeze of 9 kph from the South-West9
    kph wind from SW

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Keystone weather for Thursday 23rd May 2024

Expect broken clouds in Keystone, South Dakota with a maximum temperature of 20°C, maximum UV of 7 (High) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the south-west.

  • 20°C maximum temperature20
    °C maximum temperature
  • 8°C minimum temperature8
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 20°C wind chill20
    °C wind chill
  • Gentle breeze of 15 kph from the South-West15
    kph wind from SW

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Marriott discount code: Kids stay & eat for free

  • Kids stay & eat for free at Marriot Bonvoy
  • Destinations include Europe, Middle East & Africa
  • Valid for up to 2 adults & 2 kids aged up to 12
Show discount codeShow discount code ******ZJ6
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Metric (°C / mm)  |  Imperial (°F / inches)

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