– Lat/Long: 48.71° N 121.99° W
North Twin Sister
Weather Forecast, United StatesIssued: 9 am Sat 20 Dec Local TimeUpdates in: hr min sUpdate imminent
Issued: 9 am Sat 20 Dec Local Time
Updates in:
Update imminent hr min s
Issued: 9 am Sat 20 Dec Local Time
Updates in:
Update imminent hr min s
3 North Twin Sister Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryA heavy fall of snow, heaviest during Sun night. Temperatures will be below freezing (max -2°C on Sun morning, min -5°C on Sun night). Mainly strong winds. | Days 4–6 Weather SummaryA light covering of new snow mostly falling on Thu night. Freeze-thaw conditions (max 3°C on Wed night, min -4°C on Tue morning). Winds decreasing (fresh winds from the S on Tue morning, calm by Tue night). | |||||||||||||||||
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 snow | heavy snow | heavy snow | light snow | light snow | heavy snow | mod. snow | mod. snow | light snow | light snow | some clouds | cloudy | some clouds | some clouds | some clouds | cloudy | cloudy | light snow | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
4 | 15 | 13 | 2 | 4 | 33 | 6 | 6 | 2 | 2 | — | — | — | — | — | — | — | 3 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -4 | -3 | -3 | -2 | -3 | -4 | -4 | -4 | -5 | -4 | -4 | -2 | -2 | -1 | 3 | 3 | 2 | 2 |
min °C | -4 | -3 | -3 | -2 | -3 | -5 | -5 | -4 | -5 | -4 | -4 | -3 | -3 | -2 | 0 | 2 | 0 | -2 |
-12 | -10 | -9 | -9 | -11 | -11 | -14 | -14 | -13 | -12 | -9 | -6 | -3 | -2 | -2 | -2 | -4 | -6 | |
850 | 950 | 950 | 1050 | 1050 | 700 | 700 | 900 | 650 | 800 | 750 | 1050 | 1000 | 1100 | 1650 | 2000 | 1800 | 1400 | |
Cloud base (m) | 550 | 550 | 550 | 550 | 500 | 550 | 650 | 550 | 700 | 600 | 550 | 1600 | 1900 | 650 | 550 | 550 | 1800 | 1500 |
 | 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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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 below freezing (max -2°C on Sun morning, min -5°C on Sun night). Mainly strong winds.
North Twin Sister Weather (Days 3-6):
A light covering of new snow mostly falling on Thu night. Freeze-thaw conditions (max 3°C on Wed night, min -4°C on Tue morning). Winds decreasing (fresh winds from the S on Tue morning, calm by Tue night).
This table gives the weather forecast for North Twin Sister at the specific elevation of 1500 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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