Related Regions: Idaho, United States, North America

Sun Valley Long Range Weather Forecast

8-Day Weather Forecast for Sun Valley

Check out the long-range weather forecast for Sun Valley, including temperature, snowfall and wind details at the summit and base every three hours throughout the day for the next 8 days. Consult this comprehensive Sun Valley weather report first before heading up to ski in the next week, and click through to the full Snow Report via the link at the bottom of the page for more snowfall, base depth and terrain information.
    • Tuesday
      9°F
      -10°F
    • Wednesday
      6°F
      -16°F
    • Thursday
      15°F
      -9°F
    • Friday
      26°F
      20°F
    • Saturday
      26°F
      4°F
    • Sunday
      13°F
      0°F
    • Monday
      17°F
      12°F
    • Tuesday
      28°F
      20°F
Tuesday
Dec 6
  • Time
  • Summit | 8297ft.
  • Base | 5748ft.
  • 5:00 am
    0"
    -4°F
    NW
    3mph
    0"
    3°F
    NW
    3mph
  • 8:00 am
    0"
    -4°F
    NW
    3mph
    0"
    3°F
    NW
    3mph
  • 11:00 am
    0"
    5°F
    SE
    1mph
    0"
    13°F
    SE
    1mph
  • 2:00 pm
    0"
    9°F
    SW
    2mph
    0"
    17°F
    SW
    2mph
  • 5:00 pm
    0"
    5°F
    SE
    3mph
    0"
    13°F
    SE
    3mph
  • 8:00 pm
    0"
    -6°F
    NW
    3mph
    0"
    1°F
    NW
    3mph
  • 11:00 pm
    0"
    -10°F
    NW
    5mph
    0"
    -1°F
    NW
    5mph
Wednesday
Dec 7
  • Time
  • Summit | 8297ft.
  • Base | 5748ft.
  • 2:00 am
    0"
    -13°F
    NW
    4mph
    0"
    -4°F
    NW
    4mph
  • 5:00 am
    0"
    -14°F
    NW
    5mph
    0"
    -6°F
    NW
    5mph
  • 8:00 am
    0"
    -16°F
    NW
    6mph
    0"
    -7°F
    NW
    6mph
  • 11:00 am
    0"
    4°F
    NE
    2mph
    0"
    13°F
    NE
    2mph
  • 2:00 pm
    0"
    6°F
    SE
    5mph
    0"
    14°F
    SE
    5mph
  • 5:00 pm
    0"
    0°F
    SE
    3mph
    0"
    8°F
    SE
    3mph
  • 8:00 pm
    0"
    -13°F
    NW
    3mph
    0"
    -4°F
    NW
    3mph
  • 11:00 pm
    0"
    -13°F
    NW
    3mph
    0"
    -5°F
    NW
    3mph
Thursday
Dec 8
  • Time
  • Summit | 8297ft.
  • Base | 5748ft.
  • 2:00 am
    0"
    -9°F
    NW
    2mph
    0"
    0°F
    NW
    2mph
  • 5:00 am
    0"
    -4°F
    N
    2mph
    0"
    4°F
    N
    2mph
  • 8:00 am
    0"
    -2°F
    N
    1mph
    0"
    6°F
    N
    1mph
  • 11:00 am
    0"
    7°F
    SE
    4mph
    0"
    15°F
    SE
    4mph
  • 2:00 pm
    0"
    9°F
    SE
    4mph
    0"
    17°F
    SE
    4mph
  • 5:00 pm
    1"
    10°F
    SE
    2mph
    1"
    19°F
    SE
    2mph
  • 11:00 pm
    0"
    15°F
    NE
    1mph
    0"
    23°F
    NE
    1mph
Friday
Dec 9
  • Time
  • Summit | 8297ft.
  • Base | 5748ft.
  • 5:00 am
    0"
    20°F
    E
    1mph
    0"
    29°F
    E
    1mph
  • 11:00 am
    1"
    26°F
    SW
    6mph
    0"
    35°F
    SW
    6mph
  • 5:00 pm
    1"
    24°F
    S
    6mph
    0"
    33°F
    S
    6mph
  • 11:00 pm
    1"
    24°F
    S
    6mph
    0"
    33°F
    S
    6mph
Saturday
Dec 10
  • Time
  • Summit | 8297ft.
  • Base | 5748ft.
  • 5:00 am
    0"
    25°F
    S
    4mph
    0"
    33°F
    S
    4mph
  • 11:00 am
    0"
    26°F
    W
    5mph
    0"
    35°F
    W
    5mph
  • 5:00 pm
    0"
    17°F
    W
    4mph
    0"
    25°F
    W
    4mph
  • 11:00 pm
    0"
    4°F
    NW
    4mph
    0"
    12°F
    NW
    4mph
Sunday
Dec 11
  • Time
  • Summit | 8297ft.
  • Base | 5748ft.
  • 5:00 am
    0"
    0°F
    N
    2mph
    0"
    8°F
    N
    2mph
  • 11:00 am
    0"
    13°F
    SE
    2mph
    0"
    21°F
    SE
    2mph
  • 5:00 pm
    0"
    12°F
    W
    5mph
    0"
    20°F
    W
    5mph
  • 11:00 pm
    0"
    8°F
    S
    4mph
    0"
    16°F
    S
    4mph
Monday
Dec 12
  • Time
  • Summit | 8297ft.
  • Base | 5748ft.
  • 5:00 am
    0"
    12°F
    S
    3mph
    0"
    20°F
    S
    3mph
  • 11:00 am
    1"
    16°F
    SW
    6mph
    1"
    25°F
    SW
    6mph
  • 5:00 pm
    1"
    17°F
    S
    4mph
    1"
    26°F
    S
    4mph
  • 11:00 pm
    3"
    17°F
    SE
    2mph
    3"
    25°F
    SE
    2mph
Tuesday
Dec 13
  • Time
  • Summit | 8297ft.
  • Base | 5748ft.
  • 5:00 am
    3"
    20°F
    SE
    4mph
    0"
    28°F
    SE
    4mph
  • 11:00 am
    1"
    28°F
    S
    5mph
    0"
    37°F
    S
    5mph
  • 5:00 pm
    1"
    28°F
    SW
    6mph
    0"
    36°F
    SW
    6mph
  • 11:00 pm
    0"
    28°F
    SW
    6mph
    0"
    36°F
    SW
    6mph

Advertisement

Powder alert in Sun Valley

0 INCHES
Past 24 Hours
Never miss another Powder Alert! Sign up now!

Advertisement

Trail Map

Trail Map

Advertisement

Get More From OnTheSnow

Get snow reports, weather, forecasts, news and ski conditions for your favorite ski resorts.