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.
    • Thursday
      60°F
      42°F
    • Friday
      63°F
      37°F
    • Saturday
      64°F
      37°F
    • Sunday
      57°F
      38°F
    • Monday
      52°F
      38°F
    • Tuesday
      58°F
      34°F
    • Wednesday
      58°F
      41°F
    • Thursday
      61°F
      44°F
    • Friday
      53°F
      37°F
    • Saturday
      53°F
      35°F
Thursday
Sep 18
  • Time
  • Summit | 9146ft.
  • Base | 5748ft.
  • 8:00 am
    0"
    59°F
    W
    8mph
    0"
    70°F
    W
    8mph
  • 11:00 am
    0"
    59°F
    W
    8mph
    0"
    70°F
    W
    8mph
  • 2:00 pm
    0"
    60°F
    SW
    8mph
    0"
    72°F
    SW
    8mph
  • 5:00 pm
    0"
    59°F
    SW
    6mph
    0"
    70°F
    SW
    6mph
  • 8:00 pm
    0"
    51°F
    W
    3mph
    0"
    62°F
    W
    3mph
  • 11:00 pm
    0"
    42°F
    NW
    3mph
    0"
    54°F
    NW
    3mph
Friday
Sep 19
  • Time
  • Summit | 9146ft.
  • Base | 5748ft.
  • 2:00 am
    0"
    39°F
    NW
    4mph
    0"
    50°F
    NW
    4mph
  • 5:00 am
    0"
    37°F
    NW
    4mph
    0"
    49°F
    NW
    4mph
  • 8:00 am
    0"
    45°F
    NW
    4mph
    0"
    56°F
    NW
    4mph
  • 11:00 am
    0"
    59°F
    W
    4mph
    0"
    70°F
    W
    4mph
  • 2:00 pm
    0"
    63°F
    W
    5mph
    0"
    74°F
    W
    5mph
  • 5:00 pm
    0"
    61°F
    W
    5mph
    0"
    72°F
    W
    5mph
  • 8:00 pm
    0"
    50°F
    NW
    5mph
    0"
    62°F
    NW
    5mph
  • 11:00 pm
    0"
    41°F
    N
    5mph
    0"
    52°F
    N
    5mph
Saturday
Sep 20
  • Time
  • Summit | 9146ft.
  • Base | 5748ft.
  • 2:00 am
    0"
    38°F
    N
    4mph
    0"
    49°F
    N
    4mph
  • 5:00 am
    0"
    37°F
    N
    4mph
    0"
    48°F
    N
    4mph
  • 8:00 am
    0"
    45°F
    N
    3mph
    0"
    57°F
    N
    3mph
  • 11:00 am
    0"
    60°F
    S
    5mph
    0"
    71°F
    S
    5mph
  • 2:00 pm
    0"
    64°F
    S
    5mph
    0"
    75°F
    S
    5mph
  • 5:00 pm
    0"
    62°F
    S
    4mph
    0"
    73°F
    S
    4mph
  • 11:00 pm
    0"
    45°F
    N
    3mph
    0"
    56°F
    N
    3mph
Sunday
Sep 21
  • Time
  • Summit | 9146ft.
  • Base | 5748ft.
  • 5:00 am
    0"
    38°F
    N
    4mph
    0"
    49°F
    N
    4mph
  • 11:00 am
    0"
    57°F
    S
    9mph
    0"
    69°F
    S
    9mph
  • 5:00 pm
    0"
    49°F
    N
    4mph
    0"
    60°F
    N
    4mph
  • 11:00 pm
    0"
    41°F
    N
    2mph
    0"
    52°F
    N
    2mph
Monday
Sep 22
  • Time
  • Summit | 9146ft.
  • Base | 5748ft.
  • 5:00 am
    0"
    38°F
    N
    2mph
    0"
    49°F
    N
    2mph
  • 11:00 am
    0"
    52°F
    S
    2mph
    0"
    63°F
    S
    2mph
  • 5:00 pm
    0"
    47°F
    NW
    2mph
    0"
    58°F
    NW
    2mph
  • 11:00 pm
    0"
    39°F
    N
    3mph
    0"
    50°F
    N
    3mph
Tuesday
Sep 23
  • Time
  • Summit | 9146ft.
  • Base | 5748ft.
  • 5:00 am
    0"
    34°F
    N
    3mph
    0"
    46°F
    N
    3mph
  • 11:00 am
    0"
    55°F
    W
    3mph
    0"
    66°F
    W
    3mph
  • 5:00 pm
    0"
    58°F
    W
    4mph
    0"
    69°F
    W
    4mph
  • 11:00 pm
    0"
    42°F
    N
    2mph
    0"
    53°F
    N
    2mph
Wednesday
Sep 24
  • Time
  • Summit | 9146ft.
  • Base | 5748ft.
  • 5:00 am
    0"
    41°F
    N
    2mph
    0"
    52°F
    N
    2mph
  • 11:00 am
    0"
    57°F
    S
    8mph
    0"
    69°F
    S
    8mph
  • 5:00 pm
    0"
    58°F
    SE
    7mph
    0"
    69°F
    SE
    7mph
  • 11:00 pm
    0"
    47°F
    E
    5mph
    0"
    58°F
    E
    5mph
Thursday
Sep 25
  • Time
  • Summit | 9146ft.
  • Base | 5748ft.
  • 5:00 am
    0"
    44°F
    NE
    4mph
    0"
    55°F
    NE
    4mph
  • 11:00 am
    0"
    60°F
    SE
    9mph
    0"
    71°F
    SE
    9mph
  • 5:00 pm
    0"
    61°F
    SE
    6mph
    0"
    72°F
    SE
    6mph
  • 11:00 pm
    0"
    49°F
    NE
    2mph
    0"
    60°F
    NE
    2mph
Friday
Sep 26
  • Time
  • Summit | 9146ft.
  • Base | 5748ft.
  • 5:00 am
    0"
    39°F
    N
    3mph
    0"
    50°F
    N
    3mph
  • 11:00 am
    0"
    53°F
    SE
    3mph
    0"
    64°F
    SE
    3mph
  • 5:00 pm
    0"
    47°F
    NW
    4mph
    0"
    58°F
    NW
    4mph
  • 11:00 pm
    0"
    37°F
    N
    5mph
    0"
    48°F
    N
    5mph
Saturday
Sep 27
  • Time
  • Summit | 9146ft.
  • Base | 5748ft.
  • 5:00 am
    0"
    35°F
    N
    4mph
    0"
    46°F
    N
    4mph
  • 11:00 am
    0"
    53°F
    N
    6mph
    0"
    64°F
    N
    6mph

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