– Lat/Long: 48.70° N 121.99° W
Twin Sisters Mountain
Weather Forecast, United StatesIssued: 9 pm Wed 10 Dec Local TimeUpdates in: hr min sUpdate imminent
Issued: 9 pm Wed 10 Dec Local Time
Updates in:
Update imminent hr min s
Issued: 9 pm Wed 10 Dec Local Time
Updates in:
Update imminent hr min s
3 Twin Sisters Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryMild with moderate rain (total 13mm) on Wed night, Becoming colder with a light covering of snow, mostly falling on Wed night. Freeze-thaw conditions (max 7°C on Sat morning, min -2°C on Wed night). Winds decreasing (fresh winds from the W on Wed night, calm by Thu afternoon). | Days 5–7 Weather SummaryHeavy rain (total 37mm) on Mon afternoon. Becoming colder with heavy fall of snow, heaviest during Tue afternoon. Freeze-thaw conditions (max 6°C on Sat night, min -3°C on Mon night). Winds decreasing (near gales from the SSW on Mon morning, light winds from the SSE by Mon night). | ||||||||||||||||||
Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  | |  |  | |  | | |  |  | | |  |  |  | |
mod. snow | cloudy | cloudy | light snow | light rain | light rain | rain shwrs | clear | cloudy | light rain | cloudy | light rain | heavy rain | mod. rain | mod. rain | mod. snow | light snow | mod. snow | heavy snow | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
7 | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | 10 | 4 | 9 | 17 | |
11 | — | — | 0.5 | 1 | 0.4 | 0.2 | — | — | 2 | — | 0.5 | 17 | 8 | 9 | — | — | — | — | |
max°C | 3 | -1 | 0 | 4 | 4 | 4 | 4 | 7 | 7 | 6 | 3 | 3 | 4 | 5 | 5 | -2 | -1 | -1 | -5 |
min°C | -2 | -1 | -1 | 1 | 4 | 3 | 3 | 5 | 7 | 2 | 3 | 3 | 2 | 5 | 3 | -3 | -3 | -3 | -6 |
-6 | -5 | -1 | -2 | 0 | 0 | 0 | 2 | 3 | -4 | -2 | -3 | -5 | -2 | -2 | -9 | -11 | -12 | -15 | |
1550 | 1350 | 1450 | 2250 | 2150 | 2100 | 2600 | 2950 | 2700 | 2300 | 2100 | 2250 | 2400 | 2450 | 2250 | 1000 | 1050 | 1350 | 750 | |
Cloud base (m) | 600 | 1550 | 2400 | 600 | 600 | 600 | 600 | 650 | 1850 | 800 | 1550 | 600 | 550 | 550 | 600 | 550 | 450 | 550 | |
 | — | 7:50 | — | — | 7:50 | — | — | 7:52 | — | — | 7:52 | — | — | 7:54 | — | — | 7:54 | — | — |
 | — | — | 4:10 | — | — | 4:10 | — | — | 4:10 | — | — | 4:10 | — | — | 4:12 | — | — | 4:12 | — |
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Twin Sisters Mountain Weather (Days 0-3):
The weather forecast for Twin Sisters Mountain is: Mild with moderate rain (total 13mm) on Wed night, Becoming colder with a light covering of snow, mostly falling on Wed night. Freeze-thaw conditions (max 7°C on Sat morning, min -2°C on Wed night). Winds decreasing (fresh winds from the W on Wed night, calm by Thu afternoon).
Twin Sisters Mountain Weather (Days 3-6):
Heavy rain (total 37mm) on Mon afternoon. Becoming colder with heavy fall of snow, heaviest during Tue afternoon. Freeze-thaw conditions (max 6°C on Sat night, min -3°C on Mon night). Winds decreasing (near gales from the SSW on Mon morning, light winds from the SSE by Mon 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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