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.
    • Tuesday
      66°F
      46°F
    • Wednesday
      68°F
      44°F
    • Thursday
      54°F
      40°F
    • Friday
      56°F
      35°F
    • Saturday
      58°F
      33°F
    • Sunday
      61°F
      36°F
    • Monday
      63°F
      41°F
    • Tuesday
      62°F
      42°F
    • Wednesday
      61°F
      45°F
    • Thursday
      54°F
      42°F
Tuesday
Sep 16
  • Time
  • Summit | 9146ft.
  • Base | 5748ft.
  • 8:00 am
    0"
    64°F
    S
    6mph
    0"
    75°F
    S
    6mph
  • 11:00 am
    0"
    64°F
    S
    6mph
    0"
    75°F
    S
    6mph
  • 2:00 pm
    0"
    66°F
    SW
    7mph
    0"
    77°F
    SW
    7mph
  • 5:00 pm
    0"
    65°F
    SW
    6mph
    0"
    76°F
    SW
    6mph
  • 8:00 pm
    0"
    59°F
    N
    1mph
    0"
    70°F
    N
    1mph
  • 11:00 pm
    0"
    46°F
    N
    2mph
    0"
    58°F
    N
    2mph
Wednesday
Sep 17
  • Time
  • Summit | 9146ft.
  • Base | 5748ft.
  • 2:00 am
    0"
    44°F
    N
    3mph
    0"
    55°F
    N
    3mph
  • 5:00 am
    0"
    44°F
    N
    2mph
    0"
    55°F
    N
    2mph
  • 8:00 am
    0"
    50°F
    N
    2mph
    0"
    61°F
    N
    2mph
  • 11:00 am
    0"
    65°F
    S
    4mph
    0"
    76°F
    S
    4mph
  • 2:00 pm
    0"
    68°F
    S
    8mph
    0"
    79°F
    S
    8mph
  • 5:00 pm
    0"
    66°F
    S
    6mph
    0"
    77°F
    S
    6mph
  • 8:00 pm
    0"
    60°F
    E
    1mph
    0"
    71°F
    E
    1mph
  • 11:00 pm
    0"
    51°F
    N
    2mph
    0"
    62°F
    N
    2mph
Thursday
Sep 18
  • Time
  • Summit | 9146ft.
  • Base | 5748ft.
  • 2:00 am
    0"
    46°F
    N
    5mph
    0"
    58°F
    N
    5mph
  • 5:00 am
    0"
    43°F
    N
    3mph
    0"
    54°F
    N
    3mph
  • 8:00 am
    0"
    50°F
    NW
    6mph
    0"
    61°F
    NW
    6mph
  • 11:00 am
    0"
    53°F
    NW
    4mph
    0"
    64°F
    NW
    4mph
  • 2:00 pm
    0"
    54°F
    S
    3mph
    0"
    65°F
    S
    3mph
  • 5:00 pm
    0"
    53°F
    SW
    3mph
    0"
    65°F
    SW
    3mph
  • 11:00 pm
    0"
    40°F
    NW
    4mph
    0"
    52°F
    NW
    4mph
Friday
Sep 19
  • Time
  • Summit | 9146ft.
  • Base | 5748ft.
  • 5:00 am
    0"
    35°F
    NW
    4mph
    0"
    46°F
    NW
    4mph
  • 11:00 am
    0"
    55°F
    NW
    5mph
    0"
    66°F
    NW
    5mph
  • 5:00 pm
    0"
    56°F
    NW
    7mph
    0"
    68°F
    NW
    7mph
  • 11:00 pm
    0"
    39°F
    N
    7mph
    0"
    51°F
    N
    7mph
Saturday
Sep 20
  • Time
  • Summit | 9146ft.
  • Base | 5748ft.
  • 5:00 am
    0"
    33°F
    N
    4mph
    0"
    44°F
    N
    4mph
  • 11:00 am
    0"
    55°F
    S
    4mph
    0"
    66°F
    S
    4mph
  • 5:00 pm
    0"
    58°F
    S
    4mph
    0"
    69°F
    S
    4mph
  • 11:00 pm
    0"
    41°F
    N
    3mph
    0"
    52°F
    N
    3mph
Sunday
Sep 21
  • Time
  • Summit | 9146ft.
  • Base | 5748ft.
  • 5:00 am
    0"
    36°F
    N
    3mph
    0"
    47°F
    N
    3mph
  • 11:00 am
    0"
    59°F
    S
    5mph
    0"
    70°F
    S
    5mph
  • 5:00 pm
    0"
    61°F
    S
    4mph
    0"
    72°F
    S
    4mph
  • 11:00 pm
    0"
    46°F
    N
    2mph
    0"
    57°F
    N
    2mph
Monday
Sep 22
  • Time
  • Summit | 9146ft.
  • Base | 5748ft.
  • 5:00 am
    0"
    41°F
    N
    3mph
    0"
    52°F
    N
    3mph
  • 11:00 am
    0"
    61°F
    S
    3mph
    0"
    73°F
    S
    3mph
  • 5:00 pm
    0"
    63°F
    S
    4mph
    0"
    74°F
    S
    4mph
  • 11:00 pm
    0"
    45°F
    N
    3mph
    0"
    56°F
    N
    3mph
Tuesday
Sep 23
  • Time
  • Summit | 9146ft.
  • Base | 5748ft.
  • 5:00 am
    0"
    42°F
    N
    3mph
    0"
    53°F
    N
    3mph
  • 11:00 am
    0"
    62°F
    S
    5mph
    0"
    73°F
    S
    5mph
  • 5:00 pm
    0"
    59°F
    SE
    3mph
    0"
    70°F
    SE
    3mph
  • 11:00 pm
    0"
    46°F
    N
    2mph
    0"
    57°F
    N
    2mph
Wednesday
Sep 24
  • Time
  • Summit | 9146ft.
  • Base | 5748ft.
  • 5:00 am
    0"
    45°F
    NE
    2mph
    0"
    56°F
    NE
    2mph
  • 11:00 am
    0"
    60°F
    S
    6mph
    0"
    71°F
    S
    6mph
  • 5:00 pm
    0"
    61°F
    W
    7mph
    0"
    72°F
    W
    7mph
  • 11:00 pm
    0"
    47°F
    NW
    3mph
    0"
    58°F
    NW
    3mph
Thursday
Sep 25
  • Time
  • Summit | 9146ft.
  • Base | 5748ft.
  • 5:00 am
    0"
    42°F
    W
    5mph
    0"
    53°F
    W
    5mph
  • 11:00 am
    0"
    54°F
    W
    9mph
    0"
    65°F
    W
    9mph

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