– Lat/Long: 48.70° N 121.99° W
Twin Sisters Mountain
Weather Forecast, United StatesIssued: 3 pm Thu 18 Dec Local TimeUpdates in: hr min sUpdate imminent
Issued: 3 pm Thu 18 Dec Local Time
Updates in:
Update imminent hr min s
Issued: 3 pm Thu 18 Dec Local Time
Updates in:
Update imminent hr min s
3 Twin Sisters Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryA heavy fall of snow, heaviest during Fri morning. Becoming milder with heavy rain (total 56mm) on Sat night. Freeze-thaw conditions (max 5°C on Thu afternoon, min 0°C on Thu night). Wind will be generally light. | Days 5–7 Weather SummaryA heavy fall of snow, heaviest during Sun afternoon. Becoming milder with moderate rain (total 11mm) on Mon afternoon. Freeze-thaw conditions (max 3°C on Wed morning, min -1°C on Tue afternoon). Wind will be generally light. | ||||||||||||||||
Thu 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  | |  |  | | | | | | |  | |  | |
light rain | light snow | mod. snow | light snow | mod. snow | light snow | heavy rain | heavy rain | heavy rain | mod. snow | light snow | light snow | heavy rain | mod. snow | some clouds | some clouds | some clouds | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
— | 5 | 6 | 3 | 6 | 1 | — | — | — | 8 | 5 | 3 | — | 9 | — | — | — | |
4 | — | — | — | — | 1.5 | 12 | 24 | 14 | — | — | — | 11 | — | — | — | — | |
max°C | 5 | 2 | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 0 |
min°C | 5 | 0 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 2 | 0 | 1 | -1 | -1 |
1 | -5 | -2 | -2 | -3 | -2 | -2 | -1 | -2 | -1 | -3 | -4 | -3 | -3 | -2 | -3 | -3 | |
1750 | 550 | 600 | 600 | 650 | 750 | 900 | 950 | 950 | 800 | 700 | 700 | 900 | 650 | 650 | 650 | 500 | |
Cloud base (m) | 450 | 600 | 550 | 550 | 550 | 550 | 550 | 550 | 550 | 550 | 550 | 550 | 500 | 550 | 550 | 1350 | 2000 |
 | — | — | 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 heavy fall of snow, heaviest during Fri morning. Becoming milder with heavy rain (total 56mm) on Sat night. Freeze-thaw conditions (max 5°C on Thu afternoon, min 0°C on Thu night). Wind will be generally light.
Twin Sisters Mountain Weather (Days 3-6):
A heavy fall of snow, heaviest during Sun afternoon. Becoming milder with moderate rain (total 11mm) on Mon afternoon. Freeze-thaw conditions (max 3°C on Wed morning, min -1°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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