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Detailed hourly weather for Sun Valley

What's the hour-by-hour forecast 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. Click on each day below the graph to see the hourly forecast or tab over to Overview or Long Range Weather Forecast for alternative views of Sun Valley weather.

Friday
1/15
32°F
0"
NW
16mph
    • Friday
      36°F
      9°F
    • Saturday
      33°F
      8°F
    • Sunday
      33°F
      11°F
    • Monday
      17°F
      7°F
    • Tuesday
      16°F
      -1°F
    • Wednesday
      18°F
      6°F
    • Thursday
      14°F
      1°F
    • Friday
      17°F
      0°F
Friday
Jan 15
  • Time
  • Summit | 8297ft.
  • Base | 5748ft.
  • 5:00 PM
    0"
    24°F
    S
    3mph
    0"
    32°F
    S
    3mph
  • 6:00 PM
    0"
    25°F
    NW
    2mph
    0"
    33°F
    NW
    2mph
  • 7:00 PM
    0"
    22°F
    W
    2mph
    0"
    30°F
    W
    2mph
  • 8:00 PM
    0"
    22°F
    NW
    2mph
    0"
    30°F
    NW
    2mph
  • 9:00 PM
    0"
    19°F
    NW
    3mph
    0"
    27°F
    NW
    3mph
  • 10:00 PM
    0"
    18°F
    NW
    4mph
    0"
    27°F
    NW
    4mph
  • 11:00 PM
    0"
    17°F
    NW
    4mph
    0"
    26°F
    NW
    4mph
Please note that graph summary and hourly snow totals may differ due to rounding in the hourly breakdown.
Snow Report

Current Conditions: Sun Valley

Latest Snowfall

24 HR

0"

48 HR

2"

72 HR

6"
View Full Snow Report
Current Weather

Jan 15

32°F

View Full Forecast

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