Related Regions: Idaho, United States, North America

Sun Valley Long Range Weather Forecast

7-Day Weather Forecast for Sun Valley

What's the weather forecast for Sun Valley this week? Check out the long-range weather forecast for Sun Valley, including temperature, predicted snowfall and wind details at the summit and base throughout the day for the next week. Tab over to overview or Hour by Hour for alternative views of the Sun Valley weather forecast.
    • Wednesday
      49°F
      47°F
    • Thursday
      66°F
      44°F
    • Friday
      71°F
      42°F
    • Saturday
      75°F
      42°F
    • Sunday
      78°F
      44°F
    • Monday
      77°F
      46°F
    • Tuesday
      79°F
      48°F
    • Wednesday
      78°F
      49°F
Wednesday
Aug 23
  • Time
  • Summit | 8297ft.
  • Base | 5748ft.
  • 10:00 pm
    0"
    49°F
    NW
    3mph
    0"
    57°F
    NW
    3mph
  • 11:00 pm
    0"
    47°F
    NW
    4mph
    0"
    56°F
    NW
    4mph
Thursday
Aug 24
  • Time
  • Summit | 8297ft.
  • Base | 5748ft.
  • 12:00 am
    0"
    47°F
    NW
    4mph
    0"
    55°F
    NW
    4mph
  • 1:00 am
    0"
    46°F
    NW
    2mph
    0"
    55°F
    NW
    2mph
  • 2:00 am
    0"
    45°F
    NW
    3mph
    0"
    54°F
    NW
    3mph
  • 3:00 am
    0"
    45°F
    NW
    4mph
    0"
    53°F
    NW
    4mph
  • 4:00 am
    0"
    44°F
    NW
    4mph
    0"
    53°F
    NW
    4mph
  • 5:00 am
    0"
    44°F
    NW
    4mph
    0"
    53°F
    NW
    4mph
  • 6:00 am
    0"
    44°F
    NW
    4mph
    0"
    53°F
    NW
    4mph
  • 7:00 am
    0"
    48°F
    NW
    4mph
    0"
    57°F
    NW
    4mph
  • 8:00 am
    0"
    56°F
    NW
    3mph
    0"
    64°F
    NW
    3mph
  • 9:00 am
    0"
    60°F
    W
    1mph
    0"
    69°F
    W
    1mph
  • 10:00 am
    0"
    63°F
    SW
    3mph
    0"
    72°F
    SW
    3mph
  • 11:00 am
    0"
    64°F
    SW
    5mph
    0"
    72°F
    SW
    5mph
  • 12:00 pm
    0"
    57°F
    N
    8mph
    0"
    66°F
    N
    8mph
  • 1:00 pm
    0"
    64°F
    NW
    3mph
    0"
    73°F
    NW
    3mph
  • 2:00 pm
    0"
    66°F
    W
    5mph
    0"
    74°F
    W
    5mph
  • 3:00 pm
    0"
    66°F
    SW
    8mph
    0"
    75°F
    SW
    8mph
  • 4:00 pm
    0"
    65°F
    W
    7mph
    0"
    74°F
    W
    7mph
  • 5:00 pm
    0"
    64°F
    NW
    7mph
    0"
    72°F
    NW
    7mph
  • 6:00 pm
    0"
    63°F
    NW
    4mph
    0"
    71°F
    NW
    4mph
  • 7:00 pm
    0"
    60°F
    SW
    1mph
    0"
    68°F
    SW
    1mph
  • 8:00 pm
    0"
    52°F
    NW
    2mph
    0"
    61°F
    NW
    2mph
  • 9:00 pm
    0"
    50°F
    NW
    3mph
    0"
    58°F
    NW
    3mph
  • 10:00 pm
    0"
    46°F
    NW
    4mph
    0"
    55°F
    NW
    4mph
  • 11:00 pm
    0"
    44°F
    NW
    4mph
    0"
    52°F
    NW
    4mph
Friday
Aug 25
  • Time
  • Summit | 8297ft.
  • Base | 5748ft.
  • 12:00 am
    0"
    42°F
    NW
    4mph
    0"
    51°F
    NW
    4mph
  • 1:00 am
    0"
    42°F
    NW
    4mph
    0"
    51°F
    NW
    4mph
  • 2:00 am
    0"
    42°F
    NW
    4mph
    0"
    51°F
    NW
    4mph
  • 3:00 am
    0"
    43°F
    N
    5mph
    0"
    51°F
    N
    5mph
  • 4:00 am
    0"
    42°F
    NW
    5mph
    0"
    51°F
    NW
    5mph
  • 5:00 am
    0"
    42°F
    NW
    4mph
    0"
    51°F
    NW
    4mph
  • 6:00 am
    0"
    42°F
    NW
    4mph
    0"
    50°F
    NW
    4mph
  • 7:00 am
    0"
    47°F
    NW
    5mph
    0"
    55°F
    NW
    5mph
  • 8:00 am
    0"
    56°F
    NW
    4mph
    0"
    65°F
    NW
    4mph
  • 9:00 am
    0"
    63°F
    N
    2mph
    0"
    71°F
    N
    2mph
  • 10:00 am
    0"
    66°F
    SW
    3mph
    0"
    74°F
    SW
    3mph
  • 11:00 am
    0"
    67°F
    SW
    5mph
    0"
    76°F
    SW
    5mph
  • 12:00 pm
    0"
    69°F
    SW
    6mph
    0"
    77°F
    SW
    6mph
  • 1:00 pm
    0"
    70°F
    SW
    8mph
    0"
    79°F
    SW
    8mph
  • 2:00 pm
    0"
    70°F
    W
    7mph
    0"
    78°F
    W
    7mph
  • 3:00 pm
    0"
    71°F
    W
    7mph
    0"
    79°F
    W
    7mph
  • 4:00 pm
    0"
    69°F
    W
    8mph
    0"
    77°F
    W
    8mph
  • 5:00 pm
    0"
    68°F
    SW
    4mph
    0"
    77°F
    SW
    4mph
  • 6:00 pm
    0"
    67°F
    SW
    4mph
    0"
    75°F
    SW
    4mph
  • 7:00 pm
    0"
    61°F
    SW
    4mph
    0"
    69°F
    SW
    4mph
  • 8:00 pm
    0"
    61°F
    NW
    1mph
    0"
    69°F
    NW
    1mph
  • 9:00 pm
    0"
    52°F
    NW
    2mph
    0"
    61°F
    NW
    2mph
  • 10:00 pm
    0"
    49°F
    NW
    4mph
    0"
    58°F
    NW
    4mph
  • 11:00 pm
    0"
    46°F
    NW
    4mph
    0"
    55°F
    NW
    4mph
Saturday
Aug 26
  • Time
  • Summit | 8297ft.
  • Base | 5748ft.
  • 12:00 am
    0"
    45°F
    NW
    3mph
    0"
    53°F
    NW
    3mph
  • 1:00 am
    0"
    44°F
    NW
    5mph
    0"
    53°F
    NW
    5mph
  • 2:00 am
    0"
    44°F
    NW
    5mph
    0"
    53°F
    NW
    5mph
  • 3:00 am
    0"
    44°F
    NW
    4mph
    0"
    52°F
    NW
    4mph
  • 4:00 am
    0"
    43°F
    NW
    4mph
    0"
    52°F
    NW
    4mph
  • 5:00 am
    0"
    43°F
    NW
    5mph
    0"
    51°F
    NW
    5mph
  • 6:00 am
    0"
    42°F
    NW
    5mph
    0"
    51°F
    NW
    5mph
  • 7:00 am
    0"
    47°F
    NW
    5mph
    0"
    56°F
    NW
    5mph
  • 8:00 am
    0"
    58°F
    NW
    4mph
    0"
    66°F
    NW
    4mph
  • 9:00 am
    0"
    66°F
    N
    3mph
    0"
    74°F
    N
    3mph
  • 10:00 am
    0"
    70°F
    NW
    3mph
    0"
    78°F
    NW
    3mph
  • 11:00 am
    0"
    72°F
    W
    4mph
    0"
    81°F
    W
    4mph
  • 5:00 pm
    0"
    75°F
    NW
    5mph
    0"
    83°F
    NW
    5mph
  • 11:00 pm
    0"
    49°F
    NW
    5mph
    0"
    57°F
    NW
    5mph
Sunday
Aug 27
  • Time
  • Summit | 8297ft.
  • Base | 5748ft.
  • 5:00 am
    0"
    44°F
    NW
    5mph
    0"
    53°F
    NW
    5mph
  • 11:00 am
    0"
    74°F
    S
    3mph
    0"
    83°F
    S
    3mph
  • 5:00 pm
    0"
    78°F
    S
    2mph
    0"
    86°F
    S
    2mph
  • 11:00 pm
    0"
    51°F
    NW
    5mph
    0"
    59°F
    NW
    5mph
Monday
Aug 28
  • Time
  • Summit | 8297ft.
  • Base | 5748ft.
  • 5:00 am
    0"
    46°F
    NW
    6mph
    0"
    55°F
    NW
    6mph
  • 11:00 am
    0"
    76°F
    SE
    4mph
    0"
    85°F
    SE
    4mph
  • 5:00 pm
    0"
    77°F
    SE
    4mph
    0"
    86°F
    SE
    4mph
  • 11:00 pm
    0"
    52°F
    NW
    4mph
    0"
    60°F
    NW
    4mph
Tuesday
Aug 29
  • Time
  • Summit | 8297ft.
  • Base | 5748ft.
  • 5:00 am
    0"
    48°F
    NW
    5mph
    0"
    56°F
    NW
    5mph
  • 11:00 am
    0"
    79°F
    S
    6mph
    0"
    87°F
    S
    6mph
  • 5:00 pm
    0"
    77°F
    W
    5mph
    0"
    86°F
    W
    5mph
  • 11:00 pm
    0"
    53°F
    NW
    5mph
    0"
    62°F
    NW
    5mph
Wednesday
Aug 30
  • Time
  • Summit | 8297ft.
  • Base | 5748ft.
  • 5:00 am
    0"
    49°F
    NW
    5mph
    0"
    57°F
    NW
    5mph
  • 11:00 am
    0"
    78°F
    W
    5mph
    0"
    87°F
    W
    5mph
  • 5:00 pm
    0"
    77°F
    W
    8mph
    0"
    85°F
    W
    8mph
  • 11:00 pm
    0"
    50°F
    NW
    4mph
    0"
    58°F
    NW
    4mph

Advertisement

Powder alert in Sun Valley

0 INCHES
Past 24 Hours
Never miss another Powder Alert! Sign up now!

Advertisement

Trail Map

Trail Map

Advertisement

Get More From OnTheSnow

Get snow reports, weather, forecasts, news and ski conditions for your favorite ski resorts.