– Lat/Long: 48.70° N 121.99° W
Twin Sisters Mountain
Weather Forecast, United StatesIssued: 3 am Sat 20 Dec Local TimeUpdates in: hr min sUpdate imminent
Issued: 3 am Sat 20 Dec Local Time
Updates in:
Update imminent hr min s
Issued: 3 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 SummaryHeavy rain (total 63mm) on Sat afternoon. Becoming colder with heavy fall of snow, heaviest during Sun night. Freeze-thaw conditions (max 3°C on Sat night, min 0°C on Sun night). Wind will be generally light. | Days 4–6 Weather SummaryA dusting of new snow. Freeze-thaw conditions (max 5°C on Thu morning, min -1°C on Wed night). Wind will be generally light. | |||||||||||||||||
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 rain | heavy rain | heavy rain | light rain | heavy rain | heavy snow | light snow | mod. rain | light snow | light snow | cloudy | cloudy | cloudy | cloudy | some clouds | some clouds | some clouds | some clouds | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | — | 17 | 2 | — | 2 | 1 | — | — | — | — | — | — | — | — | |
2 | 17 | 18 | 3 | 12 | — | 2 | 10 | — | — | — | — | — | — | — | — | — | — | |
max °C | 2 | 2 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 4 | 3 | 0 | 5 | 4 | 3 |
min °C | 2 | 2 | 2 | 3 | 3 | 0 | 1 | 2 | 1 | 1 | 1 | 1 | 3 | 2 | -1 | 3 | 3 | 0 |
-2 | -2 | -2 | -1 | -1 | -2 | -3 | -3 | -3 | -3 | -1 | -1 | 2 | 2 | -1 | 1 | 1 | 0 | |
800 | 900 | 950 | 1050 | 1050 | 700 | 700 | 900 | 600 | 700 | 800 | 800 | 1350 | 1250 | 0 | 1750 | 1800 | 1650 | |
Cloud base (m) | 550 | 550 | 550 | 550 | 500 | 550 | 600 | 550 | 550 | 550 | 550 | 850 | 2000 | 550 | 700 | 550 | 550 | 2200 |
 | 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: Heavy rain (total 63mm) on Sat afternoon. Becoming colder with heavy fall of snow, heaviest during Sun night. Freeze-thaw conditions (max 3°C on Sat night, min 0°C on Sun night). Wind will be generally light.
Twin Sisters Mountain Weather (Days 3-6):
A dusting of new snow. Freeze-thaw conditions (max 5°C on Thu morning, min -1°C on Wed night). Wind will be generally light.
This table gives the weather forecast for Twin Sisters Mountain at the specific elevation of 500 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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