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Ski Resort Sun Valley in Boise: Position on map

Today's weather at Sun Valley • 9 Days Forecast

Sun Valley Summit

2,789 m 
Weather forecast for today: partly clear
© GeoSphere Austria
partly clear
-4 °C
min -5 °C
max 6 °C
Today, 20 May 2026:  Dry with variable cloudiness and frequent sunny spells.
Show 9 Day Forecast

Next Hours

  • 3 °C
  • -2 °C
  • -5 °C
  • Today
    Tomorrow
    5 °C
  • 0 °C
  • -6 °C
  • Today
    20 May
    Dry with variable cloudiness and frequent sunny spells.
    0l/60%
    4.5 h
    0 cm
    11 km/h
    40 %
  • Tomorrow
    21 May
    The day starts sunny, but will be partly cloudy in the afternoon.
    0l/25%
    8 h
    0 cm
    11 km/h
    20 %
  • Fri
    22 May
    Some clouds in the morning, lateron much sunshine and hardly any clouds
    0l/60%
    2.5 h
    0 cm
    11 km/h
    30 %
  • Sat
    23 May
    Rather sunny weather during the day with clouds mainly in the morning and towards the evening
    0l/5%
    7 h
    0 cm
    11 km/h
    10 %
  • Sun
    24 May
    Some clouds in the morning, lateron much sunshine and hardly any clouds
    0l/50%
    4.5 h
    0 cm
    11 km/h
    5 %
  • Mon
    25 May
    Showers dying away in the morning. Later dry and sunny with hardly any clouds.
    0l/70%
    8 h
    0 cm
    4 km/h
    10 %
  • Tue
    26 May
    Partly sunny in the morning, gradually becoming cloudy in the afternoon.
    0l/40%
    10 h
    0 cm
    11 km/h
    45 %
  • Wed
    27 May
    Snowfall clearing in the early morning. Afterwards drying up, but staying hazy.
    0l/65%
    0 h
    0 cm
    11 km/h
    35 %
  • Thu
    28 May
    Morning snow showers, then more and more sunshine during the day.
    0l/55%
    5 h
    0 cm
    4 km/h
    40 %
  • Fri
    29 May
    0l/60%
    10 h
    0 cm
    11 km/h
    25 %

  • Morning

    mostly cloudy
    mostly cloudy
    3 °C
    Rain: 0 l/m2
    Fresh snow: 0 cm
    Wind direction: West
    Wind speed: 11 km/h
    Storm risk: 10 %
    Fog risk: 0 %
    Rain risk: 0 %

  • Noon

    partly sunny
    partly sunny
    -2 °C
    Rain: 0 l/m2
    Fresh snow: 0 cm
    Wind direction: South
    Wind speed: 0 km/h
    Storm risk: 20 %
    Fog risk: 0 %
    Rain risk: 0 %

  • Evening

    sunny
    sunny
    -5 °C
    Rain: 0 l/m2
    Fresh snow: 0 cm
    Wind direction: South-East
    Wind speed: 0 km/h
    Storm risk: 10 %
    Fog risk: 0 %
    Rain risk: 0 %

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