– Lat/Long: 48.71° N 121.99° W
North Twin Sister
Weather Forecast, United StatesIssued: 9 pm Mon 22 Dec Local TimeUpdates in: hr min sUpdate imminent
Issued: 9 pm Mon 22 Dec Local Time
Updates in:
Update imminent hr min s
Issued: 9 pm Mon 22 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 Mon night. Temperatures will be below freezing (max 0°C on Wed morning, min -9°C on Mon night). Mainly severe gales. | Days 5–7 Weather SummaryA moderate fall of snow, heaviest on Thu night. Freeze-thaw conditions (max 2°C on Sun afternoon, min -9°C on Fri afternoon). Winds decreasing (fresh winds from the WSW on Thu night, light winds from the WNW by Sun morning). | ||||||||||||||||||
Tuesday 23 | Wednesday 24 | Thursday 25 | Friday 26 | Saturday 27 | Sunday 28 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  | |  | | | | |  | | | | |  | | | |
heavy snow | some clouds | cloudy | cloudy | light snow | light snow | some clouds | cloudy | light snow | heavy snow | some clouds | snow shwrs | some clouds | some clouds | some clouds | some clouds | clear | some clouds | some clouds | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
18 | — | — | — | 2 | 4 | — | — | 1 | 13 | — | 1 | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -8 | -8 | -6 | -1 | 0 | -4 | -2 | -1 | -2 | -4 | -7 | -8 | -8 | -8 | -7 | -3 | 1 | 2 | 3 |
min °C | -9 | -9 | -7 | -4 | 0 | -6 | -6 | -2 | -4 | -6 | -8 | -9 | -9 | -8 | -7 | -6 | -1 | 1 | 2 |
-19 | -16 | -13 | -10 | -8 | -16 | -14 | -6 | -12 | -14 | -17 | -18 | -17 | -15 | -14 | -12 | -5 | -3 | -2 | |
700 | 700 | 800 | 1450 | 2100 | 1400 | 1050 | 1800 | 1600 | 1050 | 800 | 650 | 0 | 500 | 600 | 300 | 1600 | 2400 | 2550 | |
Cloud base (m) | 550 | 550 | 700 | 2450 | 1650 | 750 | 600 | 650 | 1950 | 550 | 550 | 550 | 750 | 600 | 600 | 900 | 650 | 650 | 650 |
 | — | 7:58 | — | — | 7:58 | — | — | 7:58 | — | — | 8:00 | — | — | 8:00 | — | — | 8:00 | — | — |
 | — | — | 4:15 | — | — | 4:15 | — | — | 4:15 | — | — | 4:16 | — | — | 4:17 | — | — | 4:17 | — |
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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 Mon night. Temperatures will be below freezing (max 0°C on Wed morning, min -9°C on Mon night). Mainly severe gales.
North Twin Sister Weather (Days 3-6):
A moderate fall of snow, heaviest on Thu night. Freeze-thaw conditions (max 2°C on Sun afternoon, min -9°C on Fri afternoon). Winds decreasing (fresh winds from the WSW on Thu night, light winds from the WNW by Sun morning).
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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