– Lat/Long: 48.70° N 121.99° W
Twin Sisters Mountain
Weather Forecast, United StatesIssued: 9 pm Sat 13 Dec Local TimeUpdates in: hr min sUpdate imminent
Issued: 9 pm Sat 13 Dec Local Time
Updates in:
Update imminent hr min s
Issued: 9 pm Sat 13 Dec Local Time
Updates in:
Update imminent hr min s
3 Twin Sisters Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryMild with heavy rain (total 47mm), heaviest during Sun night. Becoming colder with a moderate fall of snow heaviest on Mon afternoon. Freeze-thaw conditions (max 7°C on Sat night, min -3°C on Mon afternoon). Winds decreasing (near gales from the SSW on Mon morning, light winds from the SSE by Mon night). | Days 5–7 Weather SummaryLight rain (total 6mm) on Tue night. Becoming colder with heavy fall of snow, heaviest during Tue night. Freeze-thaw conditions (max 2°C on Tue night, min -6°C on Thu afternoon). Winds decreasing (severe gales from the WSW on Tue night, light winds from the SSW by Wed night). | ||||||||||||||||||
Sunday 14 | Monday 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  |  |  | | |  | |  | | |  |  | |  | | |
light rain | light rain | light rain | heavy rain | mod. rain | light snow | light snow | light snow | light snow | heavy snow | light snow | mod. snow | light snow | mod. snow | snow shwrs | mod. snow | light snow | heavy snow | heavy snow | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
— | — | — | — | — | 5 | 4 | 4 | 3 | 19 | 4 | 6 | 4 | 9 | 4 | 8 | 4 | 11 | 26 | |
1 | 0.7 | 2 | 26 | 10 | 7 | — | — | — | 6 | — | — | — | — | — | — | — | — | — | |
max°C | 7 | 3 | 3 | 6 | 5 | 4 | -2 | 0 | 2 | 2 | -5 | -5 | -3 | -2 | -2 | -6 | -6 | -6 | -6 |
min°C | 2 | 3 | 3 | 4 | 5 | -3 | -3 | -1 | 1 | -5 | -5 | -5 | -4 | -3 | -6 | -6 | -6 | -6 | -6 |
-5 | -3 | -2 | -2 | -1 | -11 | -10 | -7 | -6 | -17 | -15 | -14 | -9 | -10 | -14 | -14 | -13 | -15 | -14 | |
2300 | 2050 | 2100 | 2650 | 2700 | 2200 | 950 | 1350 | 1650 | 1700 | 750 | 800 | 800 | 950 | 1150 | 500 | 600 | 600 | 550 | |
Cloud base (m) | 2900 | 650 | 800 | 550 | 550 | 550 | 600 | 600 | 500 | 450 | 600 | 600 | 550 | 500 | 500 | 550 | 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: Mild with heavy rain (total 47mm), heaviest during Sun night. Becoming colder with a moderate fall of snow heaviest on Mon afternoon. Freeze-thaw conditions (max 7°C on Sat night, min -3°C on Mon afternoon). Winds decreasing (near gales from the SSW on Mon morning, light winds from the SSE by Mon night).
Twin Sisters Mountain Weather (Days 3-6):
Light rain (total 6mm) on Tue night. Becoming colder with heavy fall of snow, heaviest during Tue night. Freeze-thaw conditions (max 2°C on Tue night, min -6°C on Thu afternoon). Winds decreasing (severe gales from the WSW on Tue night, light winds from the SSW by Wed 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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