10-day weather forecast for Sun Valley

Find Sun Valley weather forecast information, including temperature, snowfall and wind details at the summit and base every three hours throughout the day for the next 10 days. Check out this comprehensive Sun Valley weather report first before heading up to ski in the next week and a half.
    • Sunday
      46°F
      43°F
    • Monday
      52°F
      39°F
    • Tuesday
      59°F
      37°F
    • Wednesday
      62°F
      43°F
    • Thursday
      63°F
      45°F
    • Friday
      56°F
      43°F
    • Saturday
      48°F
      41°F
    • Sunday
      46°F
      36°F
    • Monday
      44°F
      30°F
    • Tuesday
      39°F
      26°F
Sunday
Sep 21
  • Time
  • Summit | 9146ft.
  • Base | 5748ft.
  • 5:00 pm
    0"
    46°F
    SE
    4mph
    0"
    57°F
    SE
    4mph
  • 8:00 pm
    0"
    46°F
    SE
    4mph
    0"
    57°F
    SE
    4mph
  • 11:00 pm
    0"
    43°F
    N
    1mph
    0"
    54°F
    N
    1mph
Monday
Sep 22
  • Time
  • Summit | 9146ft.
  • Base | 5748ft.
  • 2:00 am
    0"
    42°F
    N
    1mph
    0"
    53°F
    N
    1mph
  • 5:00 am
    0"
    40°F
    NE
    2mph
    0"
    51°F
    NE
    2mph
  • 8:00 am
    0"
    43°F
    E
    1mph
    0"
    54°F
    E
    1mph
  • 11:00 am
    0"
    46°F
    S
    3mph
    0"
    57°F
    S
    3mph
  • 2:00 pm
    0"
    49°F
    S
    2mph
    0"
    60°F
    S
    2mph
  • 5:00 pm
    0"
    52°F
    SW
    2mph
    0"
    64°F
    SW
    2mph
  • 8:00 pm
    0"
    45°F
    N
    3mph
    0"
    56°F
    N
    3mph
  • 11:00 pm
    0"
    39°F
    N
    3mph
    0"
    50°F
    N
    3mph
Tuesday
Sep 23
  • Time
  • Summit | 9146ft.
  • Base | 5748ft.
  • 2:00 am
    0"
    37°F
    N
    2mph
    0"
    48°F
    N
    2mph
  • 5:00 am
    0"
    37°F
    N
    2mph
    0"
    48°F
    N
    2mph
  • 8:00 am
    0"
    43°F
    N
    1mph
    0"
    54°F
    N
    1mph
  • 11:00 am
    0"
    56°F
    S
    6mph
    0"
    67°F
    S
    6mph
  • 2:00 pm
    0"
    59°F
    S
    8mph
    0"
    70°F
    S
    8mph
  • 5:00 pm
    0"
    58°F
    S
    6mph
    0"
    69°F
    S
    6mph
  • 8:00 pm
    0"
    51°F
    E
    4mph
    0"
    62°F
    E
    4mph
  • 11:00 pm
    0"
    46°F
    E
    3mph
    0"
    58°F
    E
    3mph
Wednesday
Sep 24
  • Time
  • Summit | 9146ft.
  • Base | 5748ft.
  • 2:00 am
    0"
    46°F
    E
    4mph
    0"
    57°F
    E
    4mph
  • 5:00 am
    0"
    43°F
    NE
    2mph
    0"
    55°F
    NE
    2mph
  • 11:00 am
    0"
    60°F
    S
    8mph
    0"
    72°F
    S
    8mph
  • 5:00 pm
    0"
    62°F
    S
    6mph
    0"
    73°F
    S
    6mph
  • 11:00 pm
    0"
    51°F
    E
    6mph
    0"
    62°F
    E
    6mph
Thursday
Sep 25
  • Time
  • Summit | 9146ft.
  • Base | 5748ft.
  • 5:00 am
    0"
    45°F
    NE
    4mph
    0"
    56°F
    NE
    4mph
  • 11:00 am
    0"
    61°F
    SE
    10mph
    0"
    72°F
    SE
    10mph
  • 5:00 pm
    0"
    63°F
    SE
    6mph
    0"
    74°F
    SE
    6mph
  • 11:00 pm
    0"
    49°F
    SE
    7mph
    0"
    60°F
    SE
    7mph
Friday
Sep 26
  • Time
  • Summit | 9146ft.
  • Base | 5748ft.
  • 5:00 am
    0"
    47°F
    SE
    3mph
    0"
    59°F
    SE
    3mph
  • 11:00 am
    0"
    56°F
    S
    9mph
    0"
    68°F
    S
    9mph
  • 5:00 pm
    0"
    56°F
    S
    5mph
    0"
    67°F
    S
    5mph
  • 11:00 pm
    0"
    43°F
    N
    4mph
    0"
    54°F
    N
    4mph
Saturday
Sep 27
  • Time
  • Summit | 9146ft.
  • Base | 5748ft.
  • 5:00 am
    0"
    41°F
    NE
    3mph
    0"
    52°F
    NE
    3mph
  • 11:00 am
    0"
    47°F
    E
    4mph
    0"
    58°F
    E
    4mph
  • 5:00 pm
    0"
    48°F
    NE
    4mph
    0"
    60°F
    NE
    4mph
  • 11:00 pm
    0"
    44°F
    NE
    4mph
    0"
    55°F
    NE
    4mph
Sunday
Sep 28
  • Time
  • Summit | 9146ft.
  • Base | 5748ft.
  • 5:00 am
    0"
    42°F
    S
    6mph
    0"
    53°F
    S
    6mph
  • 11:00 am
    0"
    43°F
    SE
    4mph
    0"
    55°F
    SE
    4mph
  • 5:00 pm
    0"
    46°F
    SE
    5mph
    0"
    57°F
    SE
    5mph
  • 11:00 pm
    0"
    36°F
    N
    2mph
    0"
    47°F
    N
    2mph
Monday
Sep 29
  • Time
  • Summit | 9146ft.
  • Base | 5748ft.
  • 5:00 am
    0"
    30°F
    N
    3mph
    0"
    42°F
    N
    3mph
  • 11:00 am
    0"
    44°F
    W
    5mph
    0"
    56°F
    W
    5mph
  • 5:00 pm
    0"
    44°F
    W
    6mph
    0"
    55°F
    W
    6mph
  • 11:00 pm
    0"
    31°F
    NW
    6mph
    0"
    42°F
    NW
    6mph
Tuesday
Sep 30
  • Time
  • Summit | 9146ft.
  • Base | 5748ft.
  • 5:00 am
    0"
    30°F
    W
    4mph
    0"
    41°F
    W
    4mph
  • 11:00 am
    0"
    39°F
    W
    8mph
    0"
    51°F
    W
    8mph
  • 5:00 pm
    0"
    39°F
    W
    8mph
    0"
    51°F
    W
    8mph
  • 11:00 pm
    0"
    26°F
    NW
    6mph
    0"
    38°F
    NW
    6mph

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