– Lat/Long: 48.70° N 121.99° W
Twin Sisters Mountain
Weather Forecast, United StatesIssued: 3 pm Fri 12 Dec Local TimeUpdates in: hr min sUpdate imminent
Issued: 3 pm Fri 12 Dec Local Time
Updates in:
Update imminent hr min s
Issued: 3 pm Fri 12 Dec Local Time
Updates in:
Update imminent hr min s
3 Twin Sisters Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryA dusting of snow. Milder later with heavy rain (total 27mm) on Sun night. Mild temperatures (max 7°C on Sat morning, min 2°C on Sat night). Winds increasing (light winds from the SW on Fri night, near gales from the S by Mon morning). | Days 5–7 Weather SummaryLight rain (total 7mm) on Mon afternoon. Becoming colder with heavy fall of snow, heaviest during Wed night. Freeze-thaw conditions (max 2°C on Mon afternoon, min -6°C on Tue night). Winds decreasing (strong winds from the W on Tue night, light winds from the S by Thu morning). | ||||||||||||||||
Fri 12 | Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | Wednesday 17 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  | |  |  |  |  |  | |  | |  | | |
light rain | some clouds | clear | cloudy | light snow | rain shwrs | cloudy | heavy rain | mod. rain | mod. snow | mod. snow | light snow | light snow | heavy snow | mod. snow | heavy snow | heavy snow | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
— | — | — | — | 1 | — | — | — | — | 7 | 10 | 2 | 2 | 19 | 10 | 14 | 25 | |
0.3 | — | — | — | 0.8 | 0.6 | — | 17 | 8 | 7 | — | — | — | — | — | — | — | |
max°C | 4 | 4 | 7 | 7 | 7 | 3 | 4 | 5 | 5 | 2 | -1 | 0 | 1 | -1 | -4 | -4 | -4 |
min°C | 3 | 3 | 5 | 7 | 2 | 3 | 4 | 3 | 5 | -2 | -3 | 0 | 1 | -6 | -4 | -4 | -5 |
0 | 0 | 2 | 3 | -4 | -3 | -1 | -4 | -1 | -8 | -10 | -6 | -6 | -16 | -12 | -11 | -12 | |
2100 | 2800 | 2750 | 2800 | 2200 | 2100 | 2150 | 2450 | 2700 | 1850 | 1100 | 1450 | 1600 | 750 | 850 | 900 | 900 | |
Cloud base (m) | 650 | 850 | 600 | 6550 | 2050 | 650 | 1900 | 550 | 550 | 550 | 600 | 550 | 500 | 550 | 550 | 550 | 550 |
 | — | — | 7:52 | — | — | 7:52 | — | — | 7:54 | — | — | 7:54 | — | — | 7:54 | — | — |
 | 4:10 | — | — | 4:10 | — | — | 4:10 | — | — | 4:12 | — | — | 4:12 | — | — | 4:12 | — |
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Twin Sisters Mountain Weather (Days 0-3):
The weather forecast for Twin Sisters Mountain is: A dusting of snow. Milder later with heavy rain (total 27mm) on Sun night. Mild temperatures (max 7°C on Sat morning, min 2°C on Sat night). Winds increasing (light winds from the SW on Fri night, near gales from the S by Mon morning).
Twin Sisters Mountain Weather (Days 3-6):
Light rain (total 7mm) on Mon afternoon. Becoming colder with heavy fall of snow, heaviest during Wed night. Freeze-thaw conditions (max 2°C on Mon afternoon, min -6°C on Tue night). Winds decreasing (strong winds from the W on Tue night, light winds from the S by Thu morning).
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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