Detailed hourly weather for Sun Valley

Get Sun Valley weather forecast information, including temperature, snowfall and wind details at the summit and base every three hours throughout the day. Check out this comprehensive Sun Valley weather report first before heading up for the day.
Thursday
9/18
51° F
0"
W
8mph
    • Wednesday
      48°F
      48°F
    • 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.
  • 2:00 am
    0"
    48°F
    NW
    4mph
    0"
    59°F
    NW
    4mph
  • 5:00 am
    0"
    47°F
    N
    2mph
    0"
    59°F
    N
    2mph
  • 8:00 am
    0"
    50°F
    NW
    2mph
    0"
    62°F
    NW
    2mph
  • 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

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