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.
    • Wednesday
      55°F
      55°F
    • Thursday
      60°F
      40°F
    • Friday
      55°F
      39°F
    • Saturday
      45°F
      30°F
    • Sunday
      51°F
      26°F
    • Monday
      57°F
      26°F
    • Tuesday
      58°F
      30°F
    • Wednesday
      55°F
      32°F
    • Thursday
      55°F
      28°F
Wednesday
Sep 2
  • Time
  • Summit | 8297ft.
  • Base | 5748ft.
  • 8:00 pm
    0"
    55°F
    E
    4mph
    0"
    63°F
    E
    4mph
  • 11:00 pm
    0"
    55°F
    E
    4mph
    0"
    63°F
    E
    4mph
Thursday
Sep 3
  • Time
  • Summit | 8297ft.
  • Base | 5748ft.
  • 2:00 am
    0"
    49°F
    NE
    2mph
    0"
    57°F
    NE
    2mph
  • 5:00 am
    0"
    49°F
    E
    3mph
    0"
    58°F
    E
    3mph
  • 8:00 am
    0"
    52°F
    SE
    3mph
    0"
    60°F
    SE
    3mph
  • 11:00 am
    0"
    55°F
    S
    6mph
    0"
    63°F
    S
    6mph
  • 2:00 pm
    0"
    60°F
    SW
    11mph
    0"
    68°F
    SW
    11mph
  • 5:00 pm
    0"
    58°F
    SW
    8mph
    0"
    66°F
    SW
    8mph
  • 8:00 pm
    0"
    49°F
    W
    4mph
    0"
    58°F
    W
    4mph
  • 11:00 pm
    0"
    40°F
    NW
    2mph
    0"
    49°F
    NW
    2mph
Friday
Sep 4
  • Time
  • Summit | 8297ft.
  • Base | 5748ft.
  • 2:00 am
    0"
    39°F
    N
    4mph
    0"
    47°F
    N
    4mph
  • 5:00 am
    0"
    39°F
    N
    3mph
    0"
    48°F
    N
    3mph
  • 8:00 am
    0"
    44°F
    N
    3mph
    0"
    52°F
    N
    3mph
  • 11:00 am
    0"
    49°F
    W
    4mph
    0"
    57°F
    W
    4mph
  • 2:00 pm
    0"
    55°F
    SW
    5mph
    0"
    63°F
    SW
    5mph
  • 5:00 pm
    0"
    50°F
    NW
    3mph
    0"
    58°F
    NW
    3mph
  • 8:00 pm
    0"
    43°F
    N
    3mph
    0"
    52°F
    N
    3mph
  • 11:00 pm
    0"
    40°F
    N
    3mph
    0"
    48°F
    N
    3mph
Saturday
Sep 5
  • Time
  • Summit | 8297ft.
  • Base | 5748ft.
  • 2:00 am
    0"
    39°F
    N
    3mph
    0"
    47°F
    N
    3mph
  • 5:00 am
    0"
    37°F
    SE
    3mph
    0"
    45°F
    SE
    3mph
  • 11:00 am
    0"
    45°F
    S
    9mph
    0"
    53°F
    S
    9mph
  • 5:00 pm
    0"
    39°F
    W
    8mph
    0"
    48°F
    W
    8mph
  • 11:00 pm
    0"
    30°F
    W
    4mph
    0"
    38°F
    W
    4mph
Sunday
Sep 6
  • Time
  • Summit | 8297ft.
  • Base | 5748ft.
  • 5:00 am
    0"
    26°F
    NW
    3mph
    0"
    34°F
    NW
    3mph
  • 11:00 am
    0"
    47°F
    SW
    5mph
    0"
    56°F
    SW
    5mph
  • 5:00 pm
    0"
    51°F
    SW
    7mph
    0"
    60°F
    SW
    7mph
  • 11:00 pm
    0"
    32°F
    NW
    3mph
    0"
    41°F
    NW
    3mph
Monday
Sep 7
  • Time
  • Summit | 8297ft.
  • Base | 5748ft.
  • 5:00 am
    0"
    26°F
    N
    3mph
    0"
    35°F
    N
    3mph
  • 11:00 am
    0"
    54°F
    S
    4mph
    0"
    62°F
    S
    4mph
  • 5:00 pm
    0"
    57°F
    SW
    7mph
    0"
    65°F
    SW
    7mph
  • 11:00 pm
    0"
    36°F
    N
    4mph
    0"
    44°F
    N
    4mph
Tuesday
Sep 8
  • Time
  • Summit | 8297ft.
  • Base | 5748ft.
  • 5:00 am
    0"
    30°F
    NW
    4mph
    0"
    38°F
    NW
    4mph
  • 11:00 am
    0"
    57°F
    SW
    4mph
    0"
    65°F
    SW
    4mph
  • 5:00 pm
    0"
    58°F
    W
    8mph
    0"
    66°F
    W
    8mph
  • 11:00 pm
    0"
    38°F
    N
    3mph
    0"
    46°F
    N
    3mph
Wednesday
Sep 9
  • Time
  • Summit | 8297ft.
  • Base | 5748ft.
  • 5:00 am
    0"
    32°F
    N
    3mph
    0"
    40°F
    N
    3mph
  • 11:00 am
    0"
    55°F
    W
    9mph
    0"
    64°F
    W
    9mph
  • 5:00 pm
    0"
    55°F
    NW
    9mph
    0"
    64°F
    NW
    9mph
  • 11:00 pm
    0"
    35°F
    N
    4mph
    0"
    44°F
    N
    4mph
Thursday
Sep 10
  • Time
  • Summit | 8297ft.
  • Base | 5748ft.
  • 5:00 am
    0"
    28°F
    N
    3mph
    0"
    36°F
    N
    3mph
  • 11:00 am
    0"
    55°F
    S
    4mph
    0"
    63°F
    S
    4mph

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