Keystone weather live forecast

Tomorrow's maximum temperature in Keystone is expected to be 10°C.

  • Thursday
    30th Jan
    Clear skies
  • Friday
    31st Jan
    Broken clouds
  • Saturday
    1st Feb
    Broken clouds
  • Sunday
    2nd Feb
    Clear skies with flurries of snow (0-2 cm of snow expected)
  • Monday
    3rd Feb
    Mostly cloudy with snow (5-10 cm of snow expected)

5-day weather forecast updated at 04:03 on Thursday 30th January 2025 GMT

More about Keystone

Keystone by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for South Dakota

  • Save up to £800 on tours with Travelsphere
  • Book breaks to Italy, Japan, the USA & more
  • Travel before 31st December 2027 (inclusive)

Expires at 23:59 on Friday 28th Feb 2025 · View all Travelsphere offers

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 Thursday 30th January 2025

Expect clear skies in Keystone, South Dakota with a maximum temperature of 10°C, maximum UV of 2 (Low) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the west.

  • 10°C maximum temperature10
    °C maximum temperature
  • 2°C minimum temperature2
    °C minimum temperature
  • Clear skies
    clear skies
  • 10 hours of bright sunshine10
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 10 kph from the West10
    kph wind from W

Back to top

Keystone weather for Friday 31st January 2025

Expect broken clouds in Keystone, South Dakota with a maximum temperature of 10°C, maximum UV of 2 (Low) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the west.

  • 10°C maximum temperature10
    °C maximum temperature
  • 1°C minimum temperature1
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 7°C wind chill7
    °C wind chill
  • Gentle breeze of 18 kph from the West18
    kph wind from W

Back to top

Keystone weather for Saturday 1st February 2025

Expect broken clouds in Keystone, South Dakota with a maximum temperature of 10°C, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the west.

  • 10°C maximum temperature10
    °C maximum temperature
  • 3°C minimum temperature3
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 19 kph from the West19
    kph wind from W

Back to top

Keystone weather for Sunday 2nd February 2025

Expect clear skies with flurries of snow in Keystone, South Dakota with a maximum temperature of 3°C, maximum UV of 2 (Low) and 5 hours of bright sunshine. There are 0-2 cm of snow expected with 56% chance of some snow and a gentle breeze of 18 kph from the east.

  • 3°C maximum temperature3
    °C maximum temperature
  • -5°C minimum temperature-5
    °C minimum temperature
  • Clear skies with flurries of snow
    clear skies with flurries of snow
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 56% chance of some snow56
    % chance of some snow
  • 0-2 cm of snow expected<2
    cm of snow expected
  • -2°C wind chill-2
    °C wind chill
  • Gentle breeze of 18 kph from the East18
    kph wind from E

Back to top

Keystone weather for Monday 3rd February 2025

Expect mostly cloudy with snow in Keystone, South Dakota with a maximum temperature of -5°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 5-10 cm of snow expected with 51% chance of some snow and a light breeze of 9 kph from the east.

  • -5°C maximum temperature-5
    °C maximum temperature
  • -11°C minimum temperature-11
    °C minimum temperature
  • Mostly cloudy with snow
    mostly cloudy with snow
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 51% chance of some snow51
    % chance of some snow
  • 5-10 cm of snow expected<10
    cm of snow expected
  • -9°C wind chill-9
    °C wind chill
  • Light breeze of 9 kph from the East9
    kph wind from E

Back to top

  • Save up to £900 per couple on 2026 tours worldwide
  • Discount varies by destination. T&Cs apply
  • Travel between 1st Jan & 31st Dec 2026 (inclusive)

Expires at 23:59 on Tuesday 30th Sep 2025 · View all Cosmos offers

CosmosTour deal finder

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

Back to top

More about the USA

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^