Sun Valley weather live forecast

Today's maximum temperature in Sun Valley is expected to be 4°C. Select a day from the live weather forecast for Sun Valley, Idaho, USA for more weather parameters.

  • Saturday
    6th Dec
    Sunshine and showers (0-2 mm of rainfall expected)
  • Sunday
    7th Dec
    Broken clouds
  • Monday
    8th Dec
    Cloudy with sleet or snow (2-5 mm of rainfall expected)
  • Tuesday
    9th Dec
    Cloudy with sleet or snow (5-10 mm of rainfall expected)
  • Wednesday
    10th Dec
    Mostly cloudy with light snow (0-2 cm of snow expected)

5-day weather forecast updated at 04:01 on Saturday 6th December 2025 GMT

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

Sun Valley weather forecast by day

Below are the detailed weather forecasts for Sun Valley for the next 5 days.

Sun Valley weather for Saturday 6th December 2025

Expect sunshine and showers in Sun Valley, Idaho with a maximum temperature of 4°C, maximum UV of 1 (Low) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 7% chance of some rain and a moderate breeze of 22 kph from the north-west.

  • 4°C maximum temperature4
    °C maximum temperature
  • -5°C minimum temperature-5
    °C minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 7% chance of some rain7
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 0°C wind chill0
    °C wind chill
  • Moderate breeze of 22 kph from the North-West22
    kph wind from NW

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Sun Valley weather for Sunday 7th December 2025

Expect broken clouds in Sun Valley, Idaho with a maximum temperature of 2°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the south.

  • 2°C maximum temperature2
    °C maximum temperature
  • -7°C minimum temperature-7
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • -1°C wind chill-1
    °C wind chill
  • Light breeze of 9 kph from the South9
    kph wind from S

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Sun Valley weather for Monday 8th December 2025

Expect cloudy with sleet or snow in Sun Valley, Idaho with a maximum temperature of 5°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 2-5 mm of sleet/snow expected with 27% chance of some sleet or snow and a light breeze of 11 kph from the south-west.

  • 5°C maximum temperature5
    °C maximum temperature
  • -5°C minimum temperature-5
    °C minimum temperature
  • Cloudy with sleet or snow
    cloudy with sleet or snow
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 27% chance of some sleet or snow27
    % chance of some sleet or snow
  • 2-5 mm of sleet/snow expected<5
    mm of sleet/snow expected
  • 2°C wind chill2
    °C wind chill
  • Light breeze of 11 kph from the South-West11
    kph wind from SW

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Sun Valley weather for Tuesday 9th December 2025

Expect cloudy with sleet or snow in Sun Valley, Idaho with a maximum temperature of 7°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 5-10 mm of sleet/snow expected with 59% chance of some sleet or snow and a gentle breeze of 15 kph from the west.

  • 7°C maximum temperature7
    °C maximum temperature
  • -1°C minimum temperature-1
    °C minimum temperature
  • Cloudy with sleet or snow
    cloudy with sleet or snow
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 59% chance of some sleet or snow59
    % chance of some sleet or snow
  • 5-10 mm of sleet/snow expected<10
    mm of sleet/snow expected
  • 4°C wind chill4
    °C wind chill
  • Gentle breeze of 15 kph from the West15
    kph wind from W

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Sun Valley weather for Wednesday 10th December 2025

Expect mostly cloudy with light snow in Sun Valley, Idaho with a maximum temperature of 9°C and 3 hours of bright sunshine. There are 0-2 cm of snow expected with 43% chance of some snow and a gentle breeze of 14 kph from the west.

  • 9°C maximum temperature9
    °C maximum temperature
  • 1°C minimum temperature1
    °C minimum temperature
  • Mostly cloudy with light snow
    mostly cloudy with light snow
  • 3 hours of bright sunshine3
    hours of sunshine
  • No UV (maximum) index0
    UV index (None)
  • 43% chance of some snow43
    % chance of some snow
  • 0-2 cm of snow expected<2
    cm of snow expected
  • 7°C wind chill7
    °C wind chill
  • Gentle breeze of 14 kph from the West14
    kph wind from W

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

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