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.
    • Monday
      43°F
      37°F
    • Tuesday
      58°F
      35°F
    • Wednesday
      63°F
      42°F
    • Thursday
      61°F
      46°F
    • Friday
      60°F
      46°F
    • Saturday
      60°F
      38°F
    • Sunday
      43°F
      31°F
    • Monday
      40°F
      26°F
    • Tuesday
      38°F
      23°F
    • Wednesday
      42°F
      21°F
Monday
Sep 22
  • Time
  • Summit | 9146ft.
  • Base | 5748ft.
  • 5:00 pm
    0"
    43°F
    NW
    3mph
    0"
    61°F
    SW
    3mph
  • 8:00 pm
    0"
    43°F
    NW
    3mph
    0"
    55°F
    NW
    3mph
  • 11:00 pm
    0"
    37°F
    N
    2mph
    0"
    49°F
    N
    2mph
Tuesday
Sep 23
  • Time
  • Summit | 9146ft.
  • Base | 5748ft.
  • 2:00 am
    0"
    35°F
    N
    2mph
    0"
    47°F
    N
    2mph
  • 5:00 am
    0"
    35°F
    N
    2mph
    0"
    47°F
    N
    2mph
  • 8:00 am
    0"
    42°F
    N
    2mph
    0"
    53°F
    N
    2mph
  • 11:00 am
    0"
    55°F
    S
    6mph
    0"
    66°F
    S
    6mph
  • 2:00 pm
    0"
    58°F
    S
    8mph
    0"
    69°F
    S
    8mph
  • 5:00 pm
    0"
    56°F
    S
    5mph
    0"
    67°F
    S
    5mph
  • 8:00 pm
    0"
    49°F
    E
    4mph
    0"
    60°F
    E
    4mph
  • 11:00 pm
    0"
    45°F
    NE
    3mph
    0"
    56°F
    NE
    3mph
Wednesday
Sep 24
  • Time
  • Summit | 9146ft.
  • Base | 5748ft.
  • 2:00 am
    0"
    45°F
    E
    4mph
    0"
    56°F
    E
    4mph
  • 5:00 am
    0"
    42°F
    NE
    3mph
    0"
    53°F
    NE
    3mph
  • 8:00 am
    0"
    47°F
    NE
    2mph
    0"
    58°F
    NE
    2mph
  • 11:00 am
    0"
    60°F
    S
    8mph
    0"
    71°F
    S
    8mph
  • 2:00 pm
    0"
    63°F
    S
    9mph
    0"
    74°F
    S
    9mph
  • 5:00 pm
    0"
    61°F
    S
    6mph
    0"
    72°F
    S
    6mph
  • 8:00 pm
    0"
    53°F
    E
    5mph
    0"
    64°F
    E
    5mph
  • 11:00 pm
    0"
    48°F
    SE
    6mph
    0"
    60°F
    SE
    6mph
Thursday
Sep 25
  • Time
  • Summit | 9146ft.
  • Base | 5748ft.
  • 2:00 am
    0"
    46°F
    E
    4mph
    0"
    57°F
    E
    4mph
  • 5:00 am
    0"
    46°F
    E
    6mph
    0"
    58°F
    E
    6mph
  • 11:00 am
    0"
    59°F
    S
    10mph
    0"
    70°F
    S
    10mph
  • 5:00 pm
    0"
    61°F
    S
    6mph
    0"
    72°F
    S
    6mph
  • 11:00 pm
    0"
    49°F
    N
    2mph
    0"
    60°F
    N
    2mph
Friday
Sep 26
  • Time
  • Summit | 9146ft.
  • Base | 5748ft.
  • 5:00 am
    0"
    46°F
    NE
    2mph
    0"
    57°F
    NE
    2mph
  • 11:00 am
    0"
    58°F
    S
    8mph
    0"
    70°F
    S
    8mph
  • 5:00 pm
    0"
    60°F
    SE
    6mph
    0"
    71°F
    SE
    6mph
  • 11:00 pm
    0"
    48°F
    E
    7mph
    0"
    59°F
    E
    7mph
Saturday
Sep 27
  • Time
  • Summit | 9146ft.
  • Base | 5748ft.
  • 5:00 am
    0"
    50°F
    SE
    5mph
    0"
    61°F
    SE
    5mph
  • 11:00 am
    0"
    60°F
    S
    11mph
    0"
    71°F
    S
    11mph
  • 5:00 pm
    0"
    50°F
    SE
    3mph
    0"
    62°F
    SE
    3mph
  • 11:00 pm
    0"
    38°F
    W
    4mph
    0"
    50°F
    W
    4mph
Sunday
Sep 28
  • Time
  • Summit | 9146ft.
  • Base | 5748ft.
  • 5:00 am
    0"
    32°F
    SW
    3mph
    0"
    43°F
    SW
    3mph
  • 11:00 am
    0"
    42°F
    W
    10mph
    0"
    53°F
    W
    10mph
  • 5:00 pm
    0"
    43°F
    W
    6mph
    0"
    54°F
    W
    6mph
  • 11:00 pm
    0"
    31°F
    NW
    2mph
    0"
    42°F
    NW
    2mph
Monday
Sep 29
  • Time
  • Summit | 9146ft.
  • Base | 5748ft.
  • 5:00 am
    0"
    29°F
    NW
    2mph
    0"
    41°F
    NW
    2mph
  • 11:00 am
    0"
    40°F
    SW
    7mph
    0"
    51°F
    SW
    7mph
  • 5:00 pm
    0"
    37°F
    NW
    9mph
    0"
    48°F
    NW
    9mph
  • 11:00 pm
    0"
    26°F
    NW
    6mph
    0"
    37°F
    NW
    6mph
Tuesday
Sep 30
  • Time
  • Summit | 9146ft.
  • Base | 5748ft.
  • 5:00 am
    0"
    23°F
    NW
    5mph
    0"
    34°F
    NW
    5mph
  • 11:00 am
    0"
    36°F
    NW
    9mph
    0"
    47°F
    NW
    9mph
  • 5:00 pm
    0"
    38°F
    NW
    8mph
    0"
    49°F
    NW
    8mph
  • 11:00 pm
    0"
    24°F
    NW
    6mph
    0"
    35°F
    NW
    6mph
Wednesday
Oct 1
  • Time
  • Summit | 9146ft.
  • Base | 5748ft.
  • 5:00 am
    0"
    21°F
    NW
    6mph
    0"
    33°F
    NW
    6mph
  • 11:00 am
    0"
    40°F
    SW
    3mph
    0"
    51°F
    SW
    3mph
  • 5:00 pm
    0"
    42°F
    SW
    6mph
    0"
    53°F
    SW
    6mph
  • 11:00 pm
    0"
    27°F
    NW
    3mph
    0"
    38°F
    NW
    3mph

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