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
      69°F
      38°F
    • Wednesday
      67°F
      46°F
    • Thursday
      59°F
      43°F
    • Friday
      52°F
      38°F
    • Saturday
      56°F
      35°F
    • Sunday
      40°F
      32°F
    • Monday
      52°F
      31°F
    • Tuesday
      55°F
      32°F
Tuesday
Sep 1
  • Time
  • Summit | 8297ft.
  • Base | 5748ft.
  • 2:00 am
    0"
    38°F
    N
    4mph
    0"
    47°F
    N
    4mph
  • 5:00 am
    0"
    38°F
    N
    4mph
    0"
    47°F
    N
    4mph
  • 8:00 am
    0"
    51°F
    N
    4mph
    0"
    59°F
    N
    4mph
  • 11:00 am
    0"
    65°F
    S
    6mph
    0"
    74°F
    S
    6mph
  • 2:00 pm
    0"
    69°F
    SW
    9mph
    0"
    78°F
    SW
    9mph
  • 5:00 pm
    0"
    67°F
    SW
    7mph
    0"
    76°F
    SW
    7mph
  • 8:00 pm
    0"
    60°F
    E
    3mph
    0"
    69°F
    E
    3mph
  • 11:00 pm
    0"
    49°F
    N
    2mph
    0"
    58°F
    N
    2mph
Wednesday
Sep 2
  • Time
  • Summit | 8297ft.
  • Base | 5748ft.
  • 2:00 am
    0"
    46°F
    N
    2mph
    0"
    55°F
    N
    2mph
  • 5:00 am
    0"
    53°F
    E
    2mph
    0"
    61°F
    E
    2mph
  • 8:00 am
    0"
    54°F
    E
    2mph
    0"
    63°F
    E
    2mph
  • 11:00 am
    0"
    65°F
    SW
    11mph
    0"
    73°F
    SW
    11mph
  • 2:00 pm
    0"
    67°F
    SW
    11mph
    0"
    75°F
    SW
    11mph
  • 5:00 pm
    0"
    65°F
    SW
    9mph
    0"
    73°F
    SW
    9mph
  • 8:00 pm
    0"
    51°F
    SE
    5mph
    0"
    60°F
    SE
    5mph
  • 11:00 pm
    0"
    53°F
    SE
    4mph
    0"
    61°F
    SE
    4mph
Thursday
Sep 3
  • Time
  • Summit | 8297ft.
  • Base | 5748ft.
  • 2:00 am
    0"
    53°F
    E
    3mph
    0"
    61°F
    E
    3mph
  • 5:00 am
    0"
    47°F
    E
    4mph
    0"
    55°F
    E
    4mph
  • 8:00 am
    0"
    49°F
    SE
    3mph
    0"
    58°F
    SE
    3mph
  • 11:00 am
    0"
    57°F
    S
    9mph
    0"
    65°F
    S
    9mph
  • 2:00 pm
    0"
    59°F
    S
    12mph
    0"
    68°F
    S
    12mph
  • 5:00 pm
    0"
    57°F
    SW
    9mph
    0"
    65°F
    SW
    9mph
  • 11:00 pm
    0"
    43°F
    N
    2mph
    0"
    51°F
    N
    2mph
Friday
Sep 4
  • Time
  • Summit | 8297ft.
  • Base | 5748ft.
  • 5:00 am
    0"
    38°F
    S
    1mph
    0"
    47°F
    S
    1mph
  • 11:00 am
    0"
    49°F
    S
    4mph
    0"
    57°F
    S
    4mph
  • 5:00 pm
    0"
    52°F
    S
    6mph
    0"
    60°F
    S
    6mph
  • 11:00 pm
    0"
    40°F
    NW
    3mph
    0"
    49°F
    NW
    3mph
Saturday
Sep 5
  • Time
  • Summit | 8297ft.
  • Base | 5748ft.
  • 5:00 am
    0"
    35°F
    NW
    3mph
    0"
    44°F
    NW
    3mph
  • 11:00 am
    0"
    51°F
    SE
    6mph
    0"
    60°F
    SE
    6mph
  • 5:00 pm
    0"
    56°F
    S
    5mph
    0"
    64°F
    S
    5mph
  • 11:00 pm
    0"
    42°F
    E
    2mph
    0"
    51°F
    E
    2mph
Sunday
Sep 6
  • Time
  • Summit | 8297ft.
  • Base | 5748ft.
  • 5:00 am
    0"
    35°F
    SE
    3mph
    0"
    43°F
    SE
    3mph
  • 11:00 am
    0"
    33°F
    SW
    6mph
    0"
    42°F
    SW
    6mph
  • 5:00 pm
    0"
    40°F
    W
    7mph
    0"
    49°F
    W
    7mph
  • 11:00 pm
    0"
    32°F
    N
    3mph
    0"
    41°F
    N
    3mph
Monday
Sep 7
  • Time
  • Summit | 8297ft.
  • Base | 5748ft.
  • 5:00 am
    0"
    31°F
    NW
    3mph
    0"
    39°F
    NW
    3mph
  • 11:00 am
    0"
    49°F
    S
    5mph
    0"
    58°F
    S
    5mph
  • 5:00 pm
    0"
    52°F
    S
    6mph
    0"
    60°F
    S
    6mph
  • 11:00 pm
    0"
    35°F
    N
    2mph
    0"
    44°F
    N
    2mph
Tuesday
Sep 8
  • Time
  • Summit | 8297ft.
  • Base | 5748ft.
  • 5:00 am
    0"
    32°F
    N
    3mph
    0"
    40°F
    N
    3mph
  • 11:00 am
    0"
    55°F
    S
    5mph
    0"
    64°F
    S
    5mph

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