– Lat/Long: 48.71° N 121.99° W
North Twin Sister
Weather Forecast, United StatesIssued: 9 pm Sat 20 Dec Local TimeUpdates in: hr min sUpdate imminent
Issued: 9 pm Sat 20 Dec Local Time
Updates in:
Update imminent hr min s
Issued: 9 pm Sat 20 Dec Local Time
Updates in:
Update imminent hr min s
3 North Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryA heavy fall of snow, heaviest during Sun night. Temperatures will be well below freezing (max -6°C on Sat night, min -9°C on Sun night). Winds decreasing (near gales from the SSW on Mon afternoon, light winds from the S by Tue afternoon). | Days 5–7 Weather SummaryA dusting of new snow. Temperatures will be below freezing (max -2°C on Wed night, min -7°C on Wed afternoon). Winds increasing (calm on Wed night, fresh winds from the SSE by Thu afternoon). | ||||||||||||||||||
Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | Friday 26 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | | | |  |  |  | |  | | |  | | | | | |  | |
heavy snow | light snow | light snow | heavy snow | light snow | mod. snow | mod. snow | cloudy | light snow | cloudy | light snow | light snow | some clouds | light snow | cloudy | cloudy | cloudy | cloudy | clear | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
20 | 3 | 2 | 31 | 1 | 6 | 6 | — | 2 | — | 1 | 1 | — | 1 | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -6 | -6 | -6 | -7 | -8 | -7 | -8 | -8 | -8 | -5 | -6 | -7 | -2 | -2 | -4 | -3 | -5 | -4 | -3 |
min °C | -7 | -6 | -6 | -9 | -8 | -7 | -9 | -8 | -8 | -6 | -6 | -7 | -6 | -4 | -5 | -5 | -5 | -4 | -4 |
-15 | -15 | -15 | -17 | -18 | -18 | -19 | -17 | -16 | -13 | -9 | -11 | -6 | -11 | -13 | -12 | -12 | -9 | -8 | |
950 | 1050 | 1050 | 800 | 750 | 800 | 700 | 750 | 750 | 1150 | 950 | 800 | 900 | 1700 | 1050 | 1500 | 1150 | 1400 | 1250 | |
Cloud base (m) | 550 | 550 | 550 | 550 | 600 | 550 | 550 | 550 | 600 | 1500 | 2000 | 600 | 600 | 2350 | 1450 | 1950 | 600 | 600 | 1600 |
 | — | 7:58 | — | — | 7:58 | — | — | 7:58 | — | — | 7:58 | — | — | 7:58 | — | — | 8:00 | — | — |
 | — | — | 4:14 | — | — | 4:14 | — | — | 4:15 | — | — | 4:15 | — | — | 4:15 | — | — | 4:16 | — |
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North Twin Sister Weather (Days 0-3):
The weather forecast for North Twin Sister is: A heavy fall of snow, heaviest during Sun night. Temperatures will be well below freezing (max -6°C on Sat night, min -9°C on Sun night). Winds decreasing (near gales from the SSW on Mon afternoon, light winds from the S by Tue afternoon).
North Twin Sister Weather (Days 3-6):
A dusting of new snow. Temperatures will be below freezing (max -2°C on Wed night, min -7°C on Wed afternoon). Winds increasing (calm on Wed night, fresh winds from the SSE by Thu afternoon).
This table gives the weather forecast for North Twin Sister at the specific elevation of 2024 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of North Twin Sister. 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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