{
  "name": "Big Sky",
  "alternateNames": [
    "比格斯凱"
  ],
  "type": "ski resort",
  "url": "https://snowingplaces.com/ski-resorts/big-sky/",
  "summary": "A large resort in southwest Montana built around Lone Peak, with 5,850 acres of skiable terrain.",
  "location": {
    "country": "United States",
    "region": "Montana",
    "latitude": 45.28,
    "longitude": -111.43
  },
  "elevationMetres": {
    "topLift": 3403,
    "village": 2073
  },
  "season": {
    "opens": "Late November",
    "closes": "Late April"
  },
  "officialWebsite": "https://www.bigskyresort.com",
  "factsVerified": true,
  "forecast": {
    "generatedUtc": "2026-09-18T16:00:00.000Z",
    "models": [
      "ECMWF IFS",
      "NOAA GFS",
      "DWD ICON"
    ],
    "updateFrequency": "every 3 hours",
    "topLift": {
      "headline": "No snow in the next 24 hours.",
      "detail": "No snow expected in the next 7 days.",
      "confidence": {
        "label": "High confidence",
        "modelsAgreeing": 3,
        "reason": "all three forecast models agree"
      },
      "next24Hours": {
        "snowfallCm": {
          "low": 0,
          "high": 0,
          "mean": 0
        },
        "modelsForecastingSnow": 0,
        "text": "Under 1 cm"
      },
      "next7Days": {
        "snowfallCm": {
          "low": 0,
          "high": 0,
          "mean": 0
        },
        "modelsForecastingSnow": 0,
        "text": "Under 1 cm"
      },
      "conditionsAtForecastTime": {
        "temperatureC": 7,
        "windKmh": 5,
        "gustKmh": 20,
        "freezingLevelM": 4100
      },
      "days": [
        {
          "day": "Today",
          "weather": "Rain",
          "snowfall": "No snow",
          "snowfallCm": null,
          "modelsAgreeing": 2,
          "temperatureC": {
            "min": 1,
            "max": 8
          },
          "maxGustKmh": 29,
          "freezingLevelM": 3950
        },
        {
          "day": "Sat",
          "weather": "Rain",
          "snowfall": "No snow",
          "snowfallCm": null,
          "modelsAgreeing": 2,
          "temperatureC": {
            "min": -1,
            "max": 2
          },
          "maxGustKmh": 23,
          "freezingLevelM": 3500
        },
        {
          "day": "Sun",
          "weather": "Dry",
          "snowfall": "No snow",
          "snowfallCm": null,
          "modelsAgreeing": 3,
          "temperatureC": {
            "min": -3,
            "max": 5
          },
          "maxGustKmh": 22,
          "freezingLevelM": 3500
        },
        {
          "day": "Mon",
          "weather": "Dry",
          "snowfall": "No snow",
          "snowfallCm": null,
          "modelsAgreeing": 3,
          "temperatureC": {
            "min": -3,
            "max": 9
          },
          "maxGustKmh": 23,
          "freezingLevelM": 4000
        },
        {
          "day": "Tue",
          "weather": "Dry",
          "snowfall": "No snow",
          "snowfallCm": null,
          "modelsAgreeing": 3,
          "temperatureC": {
            "min": 0,
            "max": 10
          },
          "maxGustKmh": 21,
          "freezingLevelM": 4000
        },
        {
          "day": "Wed",
          "weather": "Dry",
          "snowfall": "No snow",
          "snowfallCm": null,
          "modelsAgreeing": 3,
          "temperatureC": {
            "min": 0,
            "max": 10
          },
          "maxGustKmh": 30,
          "freezingLevelM": 4000
        },
        {
          "day": "Thu",
          "weather": "Dry",
          "snowfall": "No snow",
          "snowfallCm": null,
          "modelsAgreeing": 3,
          "temperatureC": {
            "min": 1,
            "max": 12
          },
          "maxGustKmh": 35,
          "freezingLevelM": 4250
        }
      ],
      "outlookDays8To14": [
        {
          "day": "Fri 25 Sep",
          "weather": "Dry",
          "snowfall": "No snow",
          "snowfallCm": null,
          "modelsWithData": 2,
          "modelsShowingSnow": 0,
          "temperatureC": {
            "min": 2,
            "max": 13
          }
        },
        {
          "day": "Sat 26 Sep",
          "weather": "Dry",
          "snowfall": "No snow",
          "snowfallCm": null,
          "modelsWithData": 2,
          "modelsShowingSnow": 0,
          "temperatureC": {
            "min": 1,
            "max": 10
          }
        },
        {
          "day": "Sun 27 Sep",
          "weather": "Dry",
          "snowfall": "No snow",
          "snowfallCm": null,
          "modelsWithData": 2,
          "modelsShowingSnow": 0,
          "temperatureC": {
            "min": 0,
            "max": 13
          }
        },
        {
          "day": "Mon 28 Sep",
          "weather": "Dry",
          "snowfall": "No snow",
          "snowfallCm": null,
          "modelsWithData": 2,
          "modelsShowingSnow": 0,
          "temperatureC": {
            "min": -1,
            "max": 8
          }
        },
        {
          "day": "Tue 29 Sep",
          "weather": "Dry",
          "snowfall": "No snow",
          "snowfallCm": null,
          "modelsWithData": 2,
          "modelsShowingSnow": 0,
          "temperatureC": {
            "min": -1,
            "max": 6
          }
        },
        {
          "day": "Wed 30 Sep",
          "weather": "Dry",
          "snowfall": "No snow",
          "snowfallCm": null,
          "modelsWithData": 2,
          "modelsShowingSnow": 0,
          "temperatureC": {
            "min": 0,
            "max": 8
          }
        },
        {
          "day": "Thu 1 Oct",
          "weather": "Chance of snow",
          "snowfall": "0–15 cm",
          "snowfallCm": {
            "low": 0,
            "high": 12.1
          },
          "modelsWithData": 2,
          "modelsShowingSnow": 1,
          "temperatureC": {
            "min": -4,
            "max": 5
          }
        }
      ],
      "modelledSnowDepth": "No snow on the ground",
      "modelledSnowDepthCm": 0,
      "localTimeAtForecast": "10:00",
      "timezone": "GMT-6"
    },
    "village": {
      "headline": "No snow in the next 24 hours.",
      "detail": "No snow expected in the next 7 days.",
      "confidence": {
        "label": "High confidence",
        "modelsAgreeing": 3,
        "reason": "all three forecast models agree"
      },
      "next24Hours": {
        "snowfallCm": {
          "low": 0,
          "high": 0,
          "mean": 0
        },
        "modelsForecastingSnow": 0,
        "text": "Under 1 cm"
      },
      "next7Days": {
        "snowfallCm": {
          "low": 0,
          "high": 0,
          "mean": 0
        },
        "modelsForecastingSnow": 0,
        "text": "Under 1 cm"
      },
      "conditionsAtForecastTime": {
        "temperatureC": 16,
        "windKmh": 5,
        "gustKmh": 20,
        "freezingLevelM": 4100
      },
      "days": [
        {
          "day": "Today",
          "weather": "Rain",
          "snowfall": "No snow",
          "snowfallCm": null,
          "modelsAgreeing": 2,
          "temperatureC": {
            "min": 10,
            "max": 17
          },
          "maxGustKmh": 27,
          "freezingLevelM": 3950
        },
        {
          "day": "Sat",
          "weather": "Rain",
          "snowfall": "No snow",
          "snowfallCm": null,
          "modelsAgreeing": 3,
          "temperatureC": {
            "min": 7,
            "max": 11
          },
          "maxGustKmh": 23,
          "freezingLevelM": 3500
        },
        {
          "day": "Sun",
          "weather": "Dry",
          "snowfall": "No snow",
          "snowfallCm": null,
          "modelsAgreeing": 3,
          "temperatureC": {
            "min": 6,
            "max": 14
          },
          "maxGustKmh": 22,
          "freezingLevelM": 3500
        },
        {
          "day": "Mon",
          "weather": "Dry",
          "snowfall": "No snow",
          "snowfallCm": null,
          "modelsAgreeing": 3,
          "temperatureC": {
            "min": 6,
            "max": 18
          },
          "maxGustKmh": 23,
          "freezingLevelM": 4000
        },
        {
          "day": "Tue",
          "weather": "Dry",
          "snowfall": "No snow",
          "snowfallCm": null,
          "modelsAgreeing": 3,
          "temperatureC": {
            "min": 9,
            "max": 19
          },
          "maxGustKmh": 21,
          "freezingLevelM": 4000
        },
        {
          "day": "Wed",
          "weather": "Dry",
          "snowfall": "No snow",
          "snowfallCm": null,
          "modelsAgreeing": 3,
          "temperatureC": {
            "min": 9,
            "max": 19
          },
          "maxGustKmh": 30,
          "freezingLevelM": 4000
        },
        {
          "day": "Thu",
          "weather": "Dry",
          "snowfall": "No snow",
          "snowfallCm": null,
          "modelsAgreeing": 3,
          "temperatureC": {
            "min": 9,
            "max": 21
          },
          "maxGustKmh": 35,
          "freezingLevelM": 4250
        }
      ],
      "outlookDays8To14": [
        {
          "day": "Fri 25 Sep",
          "weather": "Dry",
          "snowfall": "No snow",
          "snowfallCm": null,
          "modelsWithData": 2,
          "modelsShowingSnow": 0,
          "temperatureC": {
            "min": 11,
            "max": 21
          }
        },
        {
          "day": "Sat 26 Sep",
          "weather": "Dry",
          "snowfall": "No snow",
          "snowfallCm": null,
          "modelsWithData": 2,
          "modelsShowingSnow": 0,
          "temperatureC": {
            "min": 10,
            "max": 19
          }
        },
        {
          "day": "Sun 27 Sep",
          "weather": "Dry",
          "snowfall": "No snow",
          "snowfallCm": null,
          "modelsWithData": 2,
          "modelsShowingSnow": 0,
          "temperatureC": {
            "min": 9,
            "max": 21
          }
        },
        {
          "day": "Mon 28 Sep",
          "weather": "Dry",
          "snowfall": "No snow",
          "snowfallCm": null,
          "modelsWithData": 2,
          "modelsShowingSnow": 0,
          "temperatureC": {
            "min": 8,
            "max": 17
          }
        },
        {
          "day": "Tue 29 Sep",
          "weather": "Dry",
          "snowfall": "No snow",
          "snowfallCm": null,
          "modelsWithData": 2,
          "modelsShowingSnow": 0,
          "temperatureC": {
            "min": 8,
            "max": 15
          }
        },
        {
          "day": "Wed 30 Sep",
          "weather": "Dry",
          "snowfall": "No snow",
          "snowfallCm": null,
          "modelsWithData": 2,
          "modelsShowingSnow": 0,
          "temperatureC": {
            "min": 8,
            "max": 17
          }
        },
        {
          "day": "Thu 1 Oct",
          "weather": "Dry",
          "snowfall": "No snow",
          "snowfallCm": null,
          "modelsWithData": 2,
          "modelsShowingSnow": 0,
          "temperatureC": {
            "min": 5,
            "max": 13
          }
        }
      ],
      "modelledSnowDepth": "No snow on the ground",
      "modelledSnowDepthCm": 0,
      "localTimeAtForecast": "10:00",
      "timezone": "GMT-6"
    }
  },
  "snowRecord": {
    "metric": "average days per month with at least 1 cm of snowfall",
    "period": "2016–2025",
    "source": "ERA5 reanalysis via Open-Meteo",
    "elevation": "mid-mountain",
    "daysPerMonth": {
      "january": 9.6,
      "february": 12.9,
      "march": 12.6,
      "april": 13.6,
      "may": 10,
      "june": 3.5,
      "july": 0.2,
      "august": 0.3,
      "september": 3.1,
      "october": 9.1,
      "november": 10.2,
      "december": 11.7
    },
    "shareOfAnnualSnowfallPercent": {
      "january": 9,
      "february": 12,
      "march": 12,
      "april": 16,
      "may": 13,
      "june": 4,
      "july": 0,
      "august": 0,
      "september": 3,
      "october": 11,
      "november": 10,
      "december": 10
    },
    "averageDailyTemperatureC": {
      "january": {
        "low": -15.1,
        "high": -7.3
      },
      "february": {
        "low": -15.3,
        "high": -7.1
      },
      "march": {
        "low": -11.8,
        "high": -2.7
      },
      "april": {
        "low": -9.1,
        "high": 0.8
      },
      "may": {
        "low": -4.1,
        "high": 5.8
      },
      "june": {
        "low": 0.3,
        "high": 12.4
      },
      "july": {
        "low": 6,
        "high": 18.7
      },
      "august": {
        "low": 5.5,
        "high": 17.7
      },
      "september": {
        "low": 1.4,
        "high": 13
      },
      "october": {
        "low": -6.6,
        "high": 3.6
      },
      "november": {
        "low": -11.7,
        "high": -2.8
      },
      "december": {
        "low": -14.9,
        "high": -6.9
      }
    },
    "wintersAsPercentOfAverage": {
      "2016/17": 98,
      "2017/18": 124,
      "2018/19": 97,
      "2019/20": 105,
      "2020/21": 83,
      "2021/22": 105,
      "2022/23": 94,
      "2023/24": 97,
      "2024/25": 105,
      "2025/26": 92
    },
    "holidays": {
      "christmas": {
        "years": 10,
        "yearsWithSnowOnGround": 10,
        "yearsWithFreshSnow": 10
      },
      "newYear": {
        "years": 10,
        "yearsWithSnowOnGround": 10,
        "yearsWithFreshSnow": 9
      },
      "midFebruary": {
        "years": 10,
        "yearsWithSnowOnGround": 10,
        "yearsWithFreshSnow": 10
      },
      "easter": {
        "years": 10,
        "yearsWithSnowOnGround": 10,
        "yearsWithFreshSnow": 9
      },
      "midJuly": {
        "years": 10,
        "yearsWithSnowOnGround": 0,
        "yearsWithFreshSnow": 1
      }
    },
    "note": "Absolute snowfall and depth are not published: ERA5 underestimates them in mountain terrain."
  },
  "sources": [
    {
      "label": "Big Sky Resort mountain information",
      "url": "https://www.bigskyresort.com/mountain-info"
    },
    {
      "label": "Wikipedia: Big Sky Resort",
      "url": "https://en.wikipedia.org/wiki/Big_Sky_Resort"
    },
    {
      "label": "J2Ski: Big Sky season dates",
      "url": "https://us.j2ski.com/american_ski_resorts/USA/Big_Sky.html"
    },
    {
      "label": "Skiresort.com, Big Sky",
      "url": "https://www.skiresort.com/en/ski-resort/big-sky-resort/"
    }
  ],
  "methodology": "https://snowingplaces.com/methodology/",
  "attribution": "snowingplaces.com. Weather data by Open-Meteo.com."
}