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.
    • Friday
      49°F
      40°F
    • Saturday
      44°F
      29°F
    • Sunday
      52°F
      25°F
    • Monday
      56°F
      27°F
    • Tuesday
      62°F
      29°F
    • Wednesday
      67°F
      33°F
    • Thursday
      70°F
      37°F
    • Friday
      70°F
      39°F
Friday
Sep 4
  • Time
  • Summit | 8297ft.
  • Base | 5748ft.
  • 8:00 am
    0"
    43°F
    E
    1mph
    0"
    51°F
    E
    1mph
  • 11:00 am
    0"
    43°F
    E
    1mph
    0"
    51°F
    E
    1mph
  • 2:00 pm
    0"
    45°F
    NE
    4mph
    0"
    53°F
    NE
    4mph
  • 5:00 pm
    0"
    49°F
    E
    2mph
    0"
    58°F
    E
    2mph
  • 8:00 pm
    0"
    42°F
    E
    3mph
    0"
    51°F
    E
    3mph
  • 11:00 pm
    0"
    40°F
    N
    1mph
    0"
    48°F
    N
    1mph
Saturday
Sep 5
  • Time
  • Summit | 8297ft.
  • Base | 5748ft.
  • 2:00 am
    0"
    39°F
    S
    3mph
    0"
    47°F
    S
    3mph
  • 5:00 am
    0"
    37°F
    E
    2mph
    0"
    46°F
    E
    2mph
  • 8:00 am
    0"
    38°F
    S
    5mph
    0"
    47°F
    S
    5mph
  • 11:00 am
    0"
    44°F
    SW
    12mph
    0"
    53°F
    SW
    12mph
  • 2:00 pm
    0"
    43°F
    SW
    12mph
    0"
    51°F
    SW
    12mph
  • 5:00 pm
    0"
    41°F
    W
    9mph
    0"
    49°F
    W
    9mph
  • 8:00 pm
    0"
    33°F
    NW
    3mph
    0"
    41°F
    NW
    3mph
  • 11:00 pm
    0"
    29°F
    NW
    3mph
    0"
    37°F
    NW
    3mph
Sunday
Sep 6
  • Time
  • Summit | 8297ft.
  • Base | 5748ft.
  • 2:00 am
    0"
    26°F
    NW
    3mph
    0"
    35°F
    NW
    3mph
  • 5:00 am
    0"
    25°F
    NW
    3mph
    0"
    33°F
    NW
    3mph
  • 8:00 am
    0"
    36°F
    NW
    2mph
    0"
    44°F
    NW
    2mph
  • 11:00 am
    0"
    47°F
    SW
    5mph
    0"
    55°F
    SW
    5mph
  • 2:00 pm
    0"
    52°F
    SW
    8mph
    0"
    60°F
    SW
    8mph
  • 5:00 pm
    0"
    50°F
    SW
    7mph
    0"
    59°F
    SW
    7mph
  • 11:00 pm
    0"
    32°F
    NW
    3mph
    0"
    40°F
    NW
    3mph
Monday
Sep 7
  • Time
  • Summit | 8297ft.
  • Base | 5748ft.
  • 5:00 am
    0"
    27°F
    N
    4mph
    0"
    35°F
    N
    4mph
  • 11:00 am
    0"
    51°F
    W
    4mph
    0"
    60°F
    W
    4mph
  • 5:00 pm
    0"
    56°F
    W
    6mph
    0"
    64°F
    W
    6mph
  • 11:00 pm
    0"
    35°F
    N
    3mph
    0"
    43°F
    N
    3mph
Tuesday
Sep 8
  • Time
  • Summit | 8297ft.
  • Base | 5748ft.
  • 5:00 am
    0"
    29°F
    N
    4mph
    0"
    38°F
    N
    4mph
  • 11:00 am
    0"
    58°F
    SW
    3mph
    0"
    66°F
    SW
    3mph
  • 5:00 pm
    0"
    62°F
    S
    6mph
    0"
    71°F
    S
    6mph
  • 11:00 pm
    0"
    39°F
    N
    2mph
    0"
    47°F
    N
    2mph
Wednesday
Sep 9
  • Time
  • Summit | 8297ft.
  • Base | 5748ft.
  • 5:00 am
    0"
    33°F
    N
    3mph
    0"
    41°F
    N
    3mph
  • 11:00 am
    0"
    63°F
    SW
    3mph
    0"
    72°F
    SW
    3mph
  • 5:00 pm
    0"
    67°F
    SW
    5mph
    0"
    75°F
    SW
    5mph
  • 11:00 pm
    0"
    43°F
    N
    4mph
    0"
    51°F
    N
    4mph
Thursday
Sep 10
  • Time
  • Summit | 8297ft.
  • Base | 5748ft.
  • 5:00 am
    0"
    37°F
    N
    5mph
    0"
    46°F
    N
    5mph
  • 11:00 am
    0"
    67°F
    NW
    2mph
    0"
    75°F
    NW
    2mph
  • 5:00 pm
    0"
    70°F
    NW
    5mph
    0"
    79°F
    NW
    5mph
  • 11:00 pm
    0"
    46°F
    N
    5mph
    0"
    54°F
    N
    5mph
Friday
Sep 11
  • Time
  • Summit | 8297ft.
  • Base | 5748ft.
  • 5:00 am
    0"
    39°F
    N
    5mph
    0"
    48°F
    N
    5mph
  • 11:00 am
    0"
    70°F
    NW
    4mph
    0"
    78°F
    NW
    4mph

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