– Lat/Long: 48.70° N 121.99° W
Twin Sisters Mountain
Weather Forecast, United StatesIssued: 9 am Sat 20 Dec Local TimeUpdates in: hr min sUpdate imminent
Issued: 9 am Sat 20 Dec Local Time
Updates in:
Update imminent hr min s
Issued: 9 am Sat 20 Dec Local Time
Updates in:
Update imminent hr min s
3 Twin Sisters Mountain Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryA heavy fall of snow, heaviest during Sun night. Temperatures will be below freezing (max -2°C on Sun morning, min -6°C on Sun night). Mainly strong winds. | Days 4–6 Weather SummaryA light covering of new snow mostly falling on Thu night. Freeze-thaw conditions (max 3°C on Wed night, min -4°C on Tue morning). Winds decreasing (fresh winds from the S on Tue morning, calm by Tue night). | |||||||||||||||||
Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | | |  | |  | |  |  | | |  |  | | | |
light snow | heavy snow | heavy snow | light snow | light snow | heavy snow | mod. snow | mod. snow | light snow | light snow | some clouds | cloudy | some clouds | some clouds | some clouds | cloudy | cloudy | light snow | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
4 | 15 | 13 | 2 | 4 | 34 | 6 | 6 | 2 | 2 | — | — | — | — | — | — | — | 3 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -4 | -3 | -3 | -2 | -3 | -4 | -4 | -4 | -5 | -4 | -4 | -2 | -2 | -1 | 3 | 3 | 2 | 2 |
min °C | -4 | -3 | -3 | -2 | -3 | -6 | -5 | -4 | -5 | -4 | -4 | -3 | -3 | -2 | 0 | 2 | 0 | -2 |
-12 | -10 | -9 | -9 | -11 | -12 | -14 | -14 | -13 | -12 | -9 | -6 | -3 | -2 | -2 | -2 | -4 | -6 | |
850 | 950 | 950 | 1050 | 1050 | 700 | 700 | 900 | 650 | 800 | 750 | 1050 | 1000 | 1100 | 1650 | 2000 | 1800 | 1400 | |
Cloud base (m) | 550 | 550 | 550 | 550 | 500 | 550 | 650 | 550 | 700 | 600 | 550 | 1600 | 1900 | 650 | 550 | 550 | 1800 | 1500 |
 | 7:56 | — | — | 7:58 | — | — | 7:58 | — | — | 7:58 | — | — | 7:58 | — | — | 7:58 | — | — |
 | — | 4:13 | — | — | 4:14 | — | — | 4:14 | — | — | 4:15 | — | — | 4:15 | — | — | 4:15 | — |
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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 -2°C on Sun morning, min -6°C on Sun night). Mainly strong winds.
Twin Sisters Mountain Weather (Days 3-6):
A light covering of new snow mostly falling on Thu night. Freeze-thaw conditions (max 3°C on Wed night, min -4°C on Tue morning). Winds decreasing (fresh winds from the S on Tue morning, calm by Tue night).
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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