– Lat/Long: 48.70° N 121.99° W
Twin Sisters Mountain
Weather Forecast, United StatesIssued: 9 am Sun 14 Dec Local TimeUpdates in: hr min sUpdate imminent
Issued: 9 am Sun 14 Dec Local Time
Updates in:
Update imminent hr min s
Issued: 9 am Sun 14 Dec Local Time
Updates in:
Update imminent hr min s
3 Twin Sisters Mountain Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryHeavy rain (total 59mm) on Mon afternoon. Becoming colder with heavy fall of snow, heaviest during Tue night. Freeze-thaw conditions (max 5°C on Sun night, min -6°C on Tue night). Winds increasing (light winds from the W on Mon night, near gales from the W by Tue night). | Days 4–6 Weather SummaryA heavy fall of snow, heaviest during Thu afternoon. Temperatures will be below freezing (max -2°C on Thu morning, min -7°C on Thu night). Winds decreasing (near gales from the W on Wed morning, light winds from the W by Thu night). | |||||||||||||||||
Sunday 14 | Monday 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  | | |  | |  |  | | |  | | | | |
light rain | mod. rain | heavy rain | heavy rain | light snow | light snow | light snow | light snow | heavy snow | light snow | mod. snow | mod. snow | light snow | mod. snow | snow shwrs | mod. snow | light snow | mod. snow | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | 2 | 5 | 5 | 1 | 18 | 4 | 6 | 6 | 3 | 6 | 5 | 7 | 5 | 9 | |
2 | 6 | 27 | 11 | 12 | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max°C | 3 | 3 | 5 | 5 | 3 | -2 | 0 | 1 | 2 | -5 | -4 | -3 | -2 | -3 | -6 | -6 | -6 | -6 |
min°C | 3 | 3 | 4 | 5 | -3 | -4 | -2 | 1 | -6 | -6 | -5 | -4 | -3 | -5 | -7 | -6 | -6 | -6 |
-3 | -3 | -2 | -1 | -12 | -11 | -10 | -5 | -17 | -16 | -13 | -12 | -9 | -12 | -12 | -12 | -14 | -13 | |
2000 | 2200 | 2600 | 2550 | 2000 | 900 | 1100 | 1600 | 1350 | 700 | 800 | 900 | 1000 | 1050 | 300 | 550 | 600 | 550 | |
Cloud base (m) | 600 | 600 | 550 | 550 | 550 | 600 | 550 | 600 | 500 | 600 | 600 | 550 | 500 | 500 | 700 | 550 | 550 | 550 |
 | 7:52 | — | — | 7:54 | — | — | 7:54 | — | — | 7:54 | — | — | 7:56 | — | — | 7:56 | — | — |
 | — | 4:10 | — | — | 4:12 | — | — | 4:12 | — | — | 4:12 | — | — | 4:12 | — | — | 4:13 | — |
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Twin Sisters Mountain Weather (Days 0-3):
The weather forecast for Twin Sisters Mountain is: Heavy rain (total 59mm) on Mon afternoon. Becoming colder with heavy fall of snow, heaviest during Tue night. Freeze-thaw conditions (max 5°C on Sun night, min -6°C on Tue night). Winds increasing (light winds from the W on Mon night, near gales from the W by Tue night).
Twin Sisters Mountain Weather (Days 3-6):
A heavy fall of snow, heaviest during Thu afternoon. Temperatures will be below freezing (max -2°C on Thu morning, min -7°C on Thu night). Winds decreasing (near gales from the W on Wed morning, light winds from the W by Thu 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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