Related Regions: Idaho, United States, North America

Sun Valley Long Range Weather Forecast

Add to Compare

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.
    • Sunday
      26°F
      1°F
    • Monday
      13°F
      -4°F
    • Tuesday
      4°F
      -10°F
    • Wednesday
      6°F
      -12°F
    • Thursday
      9°F
      -7°F
    • Friday
      15°F
      -5°F
    • Saturday
      12°F
      -2°F
    • Sunday
      11°F
      1°F
Sunday
Feb 18
  • Time
  • Summit | 8297ft.
  • Base | 5748ft.
  • 3:00 PM
    0"
    18°F
    SW
    7mph
    0"
    26°F
    SW
    7mph
  • 4:00 PM
    0"
    18°F
    SW
    7mph
    0"
    26°F
    SW
    7mph
  • 5:00 PM
    0"
    17°F
    SW
    6mph
    0"
    25°F
    SW
    6mph
  • 6:00 PM
    0"
    14°F
    W
    4mph
    0"
    23°F
    W
    4mph
  • 7:00 PM
    0"
    13°F
    W
    3mph
    0"
    21°F
    W
    3mph
  • 8:00 PM
    0"
    11°F
    NW
    3mph
    0"
    20°F
    NW
    3mph
  • 9:00 PM
    0"
    10°F
    NW
    4mph
    0"
    18°F
    NW
    4mph
  • 10:00 PM
    0"
    6°F
    NW
    4mph
    0"
    15°F
    NW
    4mph
  • 11:00 PM
    0"
    4°F
    NW
    4mph
    0"
    12°F
    NW
    4mph
Monday
Feb 19
  • Time
  • Summit | 8297ft.
  • Base | 5748ft.
  • 12:00 AM
    0"
    2°F
    NW
    3mph
    0"
    11°F
    NW
    3mph
  • 1:00 AM
    0"
    1°F
    NW
    3mph
    0"
    10°F
    NW
    3mph
  • 2:00 AM
    0"
    0°F
    NW
    4mph
    0"
    8°F
    NW
    4mph
  • 3:00 AM
    0"
    -1°F
    NW
    4mph
    0"
    7°F
    NW
    4mph
  • 4:00 AM
    0"
    -2°F
    NW
    4mph
    0"
    6°F
    NW
    4mph
  • 5:00 AM
    0"
    -3°F
    NW
    4mph
    0"
    6°F
    NW
    4mph
  • 6:00 AM
    0"
    -3°F
    NW
    5mph
    0"
    5°F
    NW
    5mph
  • 7:00 AM
    0"
    -4°F
    NW
    5mph
    0"
    4°F
    NW
    5mph
  • 8:00 AM
    0"
    -4°F
    NW
    5mph
    0"
    4°F
    NW
    5mph
  • 9:00 AM
    0"
    1°F
    NW
    4mph
    0"
    9°F
    NW
    4mph
  • 10:00 AM
    0"
    8°F
    N
    3mph
    0"
    16°F
    N
    3mph
  • 11:00 AM
    0"
    11°F
    N
    3mph
    0"
    19°F
    N
    3mph
  • 12:00 PM
    0"
    13°F
    SE
    1mph
    0"
    21°F
    SE
    1mph
  • 1:00 PM
    0"
    13°F
    SE
    4mph
    0"
    22°F
    SE
    4mph
  • 2:00 PM
    0"
    12°F
    SE
    5mph
    0"
    20°F
    SE
    5mph
  • 3:00 PM
    0"
    11°F
    SE
    3mph
    0"
    19°F
    SE
    3mph
  • 4:00 PM
    <1"
    10°F
    NE
    2mph
    <1"
    18°F
    NE
    2mph
  • 5:00 PM
    0"
    8°F
    N
    5mph
    0"
    16°F
    N
    5mph
  • 6:00 PM
    0"
    6°F
    N
    5mph
    0"
    15°F
    N
    5mph
  • 7:00 PM
    0"
    5°F
    N
    6mph
    0"
    14°F
    N
    6mph
  • 8:00 PM
    0"
    4°F
    N
    5mph
    0"
    12°F
    N
    5mph
  • 9:00 PM
    0"
    3°F
    N
    5mph
    0"
    11°F
    N
    5mph
  • 10:00 PM
    0"
    2°F
    N
    5mph
    0"
    11°F
    N
    5mph
  • 11:00 PM
    0"
    1°F
    NW
    5mph
    0"
    9°F
    NW
    5mph
Tuesday
Feb 20
  • Time
  • Summit | 8297ft.
  • Base | 5748ft.
  • 12:00 AM
    0"
    0°F
    NW
    4mph
    0"
    8°F
    NW
    4mph
  • 1:00 AM
    0"
    -1°F
    N
    4mph
    0"
    7°F
    N
    4mph
  • 2:00 AM
    0"
    -3°F
    N
    3mph
    0"
    6°F
    N
    3mph
  • 3:00 AM
    0"
    -6°F
    N
    3mph
    0"
    3°F
    N
    3mph
  • 4:00 AM
    0"
    -7°F
    NW
    2mph
    0"
    1°F
    NW
    2mph
  • 5:00 AM
    0"
    -8°F
    NW
    3mph
    0"
    0°F
    NW
    3mph
  • 6:00 AM
    0"
    -9°F
    NW
    3mph
    0"
    -1°F
    NW
    3mph
  • 7:00 AM
    0"
    -8°F
    NW
    3mph
    0"
    0°F
    NW
    3mph
  • 8:00 AM
    0"
    -7°F
    NW
    3mph
    0"
    1°F
    NW
    3mph
  • 9:00 AM
    0"
    -3°F
    N
    1mph
    0"
    5°F
    N
    1mph
  • 10:00 AM
    0"
    0°F
    SE
    2mph
    0"
    9°F
    SE
    2mph
  • 11:00 AM
    0"
    2°F
    SE
    5mph
    0"
    10°F
    SE
    5mph
  • 12:00 PM
    0"
    2°F
    SE
    6mph
    0"
    11°F
    SE
    6mph
  • 1:00 PM
    0"
    3°F
    S
    6mph
    0"
    11°F
    S
    6mph
  • 2:00 PM
    0"
    4°F
    S
    7mph
    0"
    12°F
    S
    7mph
  • 3:00 PM
    0"
    4°F
    S
    7mph
    0"
    12°F
    S
    7mph
  • 4:00 PM
    0"
    4°F
    S
    7mph
    0"
    12°F
    S
    7mph
  • 5:00 PM
    0"
    3°F
    S
    6mph
    0"
    12°F
    S
    6mph
  • 6:00 PM
    0"
    2°F
    S
    5mph
    0"
    10°F
    S
    5mph
  • 7:00 PM
    0"
    -3°F
    S
    3mph
    0"
    6°F
    S
    3mph
  • 8:00 PM
    0"
    -3°F
    S
    2mph
    0"
    5°F
    S
    2mph
  • 9:00 PM
    0"
    -5°F
    NE
    1mph
    0"
    3°F
    NE
    1mph
  • 10:00 PM
    0"
    -8°F
    NW
    1mph
    0"
    1°F
    NW
    1mph
  • 11:00 PM
    0"
    -10°F
    NW
    2mph
    0"
    -2°F
    NW
    2mph
Wednesday
Feb 21
  • Time
  • Summit | 8297ft.
  • Base | 5748ft.
  • 12:00 AM
    0"
    -10°F
    NW
    1mph
    0"
    -1°F
    NW
    1mph
  • 1:00 AM
    0"
    -10°F
    NW
    1mph
    0"
    -2°F
    NW
    1mph
  • 2:00 AM
    0"
    -10°F
    NW
    1mph
    0"
    -2°F
    NW
    1mph
  • 3:00 AM
    0"
    -9°F
    NW
    1mph
    0"
    -1°F
    NW
    1mph
  • 4:00 AM
    0"
    -8°F
    NW
    1mph
    0"
    0°F
    NW
    1mph
  • 5:00 AM
    0"
    -9°F
    NW
    1mph
    0"
    -1°F
    NW
    1mph
  • 6:00 AM
    0"
    -11°F
    NW
    1mph
    0"
    -3°F
    NW
    1mph
  • 7:00 AM
    0"
    -12°F
    NW
    1mph
    0"
    -4°F
    NW
    1mph
  • 8:00 AM
    0"
    -12°F
    NW
    2mph
    0"
    -3°F
    NW
    2mph
  • 9:00 AM
    0"
    -5°F
    NW
    3mph
    0"
    3°F
    NW
    3mph
  • 10:00 AM
    0"
    1°F
    E
    1mph
    0"
    10°F
    E
    1mph
  • 11:00 AM
    0"
    4°F
    SE
    3mph
    0"
    13°F
    SE
    3mph
  • 5:00 PM
    0"
    6°F
    SE
    2mph
    0"
    15°F
    SE
    2mph
  • 11:00 PM
    0"
    -1°F
    NW
    2mph
    0"
    7°F
    NW
    2mph
Thursday
Feb 22
  • Time
  • Summit | 8297ft.
  • Base | 5748ft.
  • 5:00 AM
    0"
    -7°F
    NW
    3mph
    0"
    1°F
    NW
    3mph
  • 11:00 AM
    0"
    9°F
    SE
    3mph
    0"
    17°F
    SE
    3mph
  • 5:00 PM
    0"
    9°F
    SE
    3mph
    0"
    17°F
    SE
    3mph
  • 11:00 PM
    0"
    1°F
    NW
    2mph
    0"
    9°F
    NW
    2mph
Friday
Feb 23
  • Time
  • Summit | 8297ft.
  • Base | 5748ft.
  • 5:00 AM
    0"
    -5°F
    NW
    4mph
    0"
    3°F
    NW
    4mph
  • 11:00 AM
    0"
    13°F
    N
    0mph
    0"
    21°F
    N
    0mph
  • 5:00 PM
    0"
    15°F
    S
    4mph
    0"
    23°F
    S
    4mph
  • 11:00 PM
    0"
    -2°F
    NW
    3mph
    0"
    6°F
    NW
    3mph
Saturday
Feb 24
  • Time
  • Summit | 8297ft.
  • Base | 5748ft.
  • 5:00 AM
    0"
    -2°F
    N
    2mph
    0"
    6°F
    N
    2mph
  • 11:00 AM
    0"
    12°F
    SW
    3mph
    0"
    21°F
    SW
    3mph
  • 5:00 PM
    0"
    12°F
    SW
    5mph
    0"
    21°F
    SW
    5mph
  • 11:00 PM
    0"
    5°F
    SE
    1mph
    0"
    13°F
    SE
    1mph
Sunday
Feb 25
  • Time
  • Summit | 8297ft.
  • Base | 5748ft.
  • 5:00 AM
    0"
    1°F
    NE
    2mph
    0"
    10°F
    NE
    2mph
  • 11:00 AM
    0"
    11°F
    SW
    4mph
    0"
    20°F
    SW
    4mph
  • 5:00 PM
    0"
    11°F
    SW
    6mph
    0"
    20°F
    SW
    6mph
  • 11:00 PM
    <1"
    5°F
    SE
    4mph
    <1"
    13°F
    SE
    4mph

Gallery

View All

Sun Valley - Epic day!! Mountain was closed till noon. Everyone bailed. fresh pow everywhere, untracked. Did not open the bowls or Seattle ridge.  - © mbradford415
Sun Valley - Baldy is back in business!  - © Billy's I Phone
Sun Valley - For that magic snow. No matter how bad the weather gets you can still hold an edge.  And the bumps are in good shape.   - © stefan’s iPhone
Sun Valley - two days ago and still storming  - © Russia

Powder alert in Sun Valley

2 "
Past 24 Hours
Never miss another Powder Alert!Sign up now!

Advertisement

Advertisement

Trail Map

Trail Map

Trail Map

Advertisement

Get More From OnTheSnow

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