– Lat/Long: 48.70° N 121.99° W
Twin Sisters Mountain
Weather Forecast, United StatesIssued: 9 pm Wed 17 Dec Local TimeUpdates in: hr min sUpdate imminent
Issued: 9 pm Wed 17 Dec Local Time
Updates in:
Update imminent hr min s
Issued: 9 pm Wed 17 Dec Local Time
Updates in:
Update imminent hr min s
3 Twin Sisters Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryA moderate fall of snow heaviest on Fri morning. Turning milder with heavy rain (total 34mm), heaviest during Sat afternoon. Freeze-thaw conditions (max 5°C on Thu afternoon, min -1°C on Thu night). Wind will be generally light. | Days 5–7 Weather SummaryMild with heavy rain (total 42mm), heaviest during Sun afternoon. Becoming colder with a moderate fall of snow heaviest on Sun night. Freeze-thaw conditions (max 3°C on Sun morning, min -2°C on Tue afternoon). Wind will be generally light. | ||||||||||||||||||
Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  | | | | | | |  |  | | | |  |  |  | |
mod. rain | mod. rain | light rain | light snow | light snow | light snow | light snow | light rain | mod. rain | mod. rain | mod. rain | heavy rain | mod. snow | light snow | mod. rain | light snow | cloudy | some clouds | cloudy | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
— | — | — | 3 | 4 | 5 | 5 | — | — | — | — | — | 7 | 2 | — | 3 | — | — | — | |
7 | 8 | 4 | 3 | — | — | — | 4 | 8 | 9 | 6 | 16 | — | 0.8 | 6 | 5 | — | — | — | |
max°C | 3 | 3 | 5 | 2 | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 3 | 1 | 2 | 2 | 2 | 1 | -1 | 0 |
min°C | 2 | 3 | 5 | -1 | 0 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 2 | 0 | 1 | -2 | -2 |
-1 | 0 | 1 | -5 | -4 | -2 | -2 | -2 | -2 | -2 | -2 | 0 | -2 | -3 | -2 | -4 | -3 | -4 | -5 | |
950 | 1000 | 1750 | 550 | 550 | 650 | 650 | 750 | 900 | 900 | 950 | 950 | 700 | 700 | 850 | 700 | 600 | 400 | 200 | |
Cloud base (m) | 550 | 500 | 450 | 550 | 550 | 550 | 550 | 600 | 550 | 550 | 550 | 550 | 550 | 550 | 500 | 550 | 550 | 550 | 550 |
 | — | 7:56 | — | — | 7:56 | — | — | 7:56 | — | — | 7:58 | — | — | 7:58 | — | — | 7:58 | — | — |
 | — | — | 4:12 | — | — | 4:13 | — | — | 4:13 | — | — | 4:14 | — | — | 4:14 | — | — | 4:15 | — |
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Twin Sisters Mountain Weather (Days 0-3):
The weather forecast for Twin Sisters Mountain is: A moderate fall of snow heaviest on Fri morning. Turning milder with heavy rain (total 34mm), heaviest during Sat afternoon. Freeze-thaw conditions (max 5°C on Thu afternoon, min -1°C on Thu night). Wind will be generally light.
Twin Sisters Mountain Weather (Days 3-6):
Mild with heavy rain (total 42mm), heaviest during Sun afternoon. Becoming colder with a moderate fall of snow heaviest on Sun night. Freeze-thaw conditions (max 3°C on Sun morning, min -2°C on Tue afternoon). 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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