– Lat/Long: 48.70° N 121.99° W
Twin Sisters Mountain
Weather Forecast, United StatesIssued: 3 pm Sun 21 Dec Local TimeUpdates in: hr min sUpdate imminent
Issued: 3 pm Sun 21 Dec Local Time
Updates in:
Update imminent hr min s
Issued: 3 pm Sun 21 Dec Local Time
Updates in:
Update imminent hr min s
3 Twin Sisters Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryA heavy fall of snow, heaviest during Sun night. Temperatures will be below freezing (max 0°C on Tue night, min -6°C on Sun night). Winds decreasing (strong winds from the S on Mon afternoon, light winds from the SE by Tue night). | Days 5–7 Weather SummaryA moderate fall of snow, heaviest on Thu afternoon. Freeze-thaw conditions (max 2°C on Wed night, min -5°C on Wed afternoon). Wind will be generally light. | ||||||||||||||||
Sun 21 | Monday 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | Friday 26 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | | | |  | |  |  |  |  |  | |  | | | | |
light snow | snow shwrs | light snow | light snow | snow shwrs | some clouds | light snow | cloudy | mod. snow | snow shwrs | some clouds | cloudy | mod. snow | light snow | some clouds | cloudy | light snow | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
4 | 27 | 2 | 5 | 3 | — | 1 | — | 9 | 2 | — | — | 6 | 4 | — | — | 1 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -3 | -4 | -5 | -4 | -5 | -4 | -3 | 0 | -3 | -4 | 2 | 1 | -3 | -2 | -2 | -2 | -3 |
min °C | -3 | -6 | -5 | -5 | -6 | -4 | -4 | -2 | -5 | -5 | -4 | 0 | -3 | -3 | -2 | -2 | -3 |
-10 | -12 | -13 | -14 | -14 | -10 | -10 | -5 | -11 | -9 | -4 | -3 | -7 | -8 | -6 | -4 | -6 | |
1050 | 700 | 700 | 700 | 650 | 750 | 900 | 1350 | 900 | 650 | 450 | 1700 | 850 | 1000 | 1100 | 1100 | 900 | |
Cloud base (m) | 500 | 550 | 700 | 550 | 550 | 600 | 750 | 1550 | 650 | 550 | 600 | 2050 | 1350 | 550 | 600 | 600 | 600 |
 | — | — | 7:58 | — | — | 7:58 | — | — | 7:58 | — | — | 7:58 | — | — | 7:58 | — | — |
 | 4:14 | — | — | 4:14 | — | — | 4:15 | — | — | 4:15 | — | — | 4:15 | — | — | 4:16 | — |
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Twin Sisters Mountain Weather (Days 0-3):
The weather forecast for Twin Sisters Mountain is: A heavy fall of snow, heaviest during Sun night. Temperatures will be below freezing (max 0°C on Tue night, min -6°C on Sun night). Winds decreasing (strong winds from the S on Mon afternoon, light winds from the SE by Tue night).
Twin Sisters Mountain Weather (Days 3-6):
A moderate fall of snow, heaviest on Thu afternoon. Freeze-thaw conditions (max 2°C on Wed night, min -5°C on Wed afternoon). Wind will be generally light.
This table gives the weather forecast for Twin Sisters Mountain at the specific elevation of 1500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of Twin Sisters Mountain. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.
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