– Lat/Long: 48.71° N 121.99° W
North Twin Sister
Weather Forecast, United StatesIssued: 9 pm Mon 15 Dec Local TimeUpdates in: hr min sUpdate imminent
Issued: 9 pm Mon 15 Dec Local Time
Updates in:
Update imminent hr min s
Issued: 9 pm Mon 15 Dec Local Time
Updates in:
Update imminent hr min s
3 North Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryModerate rain (total 20mm) on Tue night. Becoming colder with heavy fall of snow, heaviest during Tue night. Freeze-thaw conditions (max 3°C on Tue afternoon, min -5°C on Tue night). Winds increasing (light winds from the SSW on Mon night, near gales from the WSW by Tue night). | Days 5–7 Weather SummaryA heavy fall of snow, heaviest during Fri morning. Freeze-thaw conditions (max 1°C on Sun morning, min -6°C on Thu night). Winds increasing (light winds from the SSE on Sat night, gales from the S by Sun afternoon). | ||||||||||||||||||
Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  | | |  | | | |  |  | | |  |  | | | | |
mod. snow | light snow | light snow | heavy snow | light snow | light snow | light snow | light snow | light snow | heavy snow | heavy snow | mod. snow | mod. snow | light snow | snow shwrs | some clouds | light snow | light snow | heavy snow | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
6 | 1 | 4 | 11 | 4 | 5 | 3 | 2 | 3 | 13 | 11 | 7 | 10 | 3 | 1 | — | 3 | 2 | 16 | |
— | — | 5 | 15 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max°C | -1 | 1 | 3 | 3 | -5 | -4 | -3 | 0 | -1 | -5 | -6 | -6 | -5 | -4 | -3 | 0 | 1 | 0 | -2 |
min°C | -3 | 0 | 2 | -5 | -5 | -5 | -4 | -2 | -3 | -6 | -6 | -6 | -6 | -5 | -4 | -3 | 0 | -1 | -3 |
-10 | -8 | -6 | -15 | -14 | -13 | -11 | -9 | -11 | -15 | -14 | -14 | -13 | -12 | -10 | -6 | -6 | -9 | -8 | |
1150 | 1550 | 1950 | 1950 | 800 | 850 | 950 | 1000 | 1400 | 600 | 650 | 650 | 500 | 800 | 800 | 800 | 1400 | 1500 | 1100 | |
Cloud base (m) | 600 | 550 | 500 | 450 | 600 | 600 | 600 | 500 | 500 | 550 | 550 | 550 | 600 | 600 | 550 | 550 | 800 | 550 | 550 |
 | — | 7:54 | — | — | 7:54 | — | — | 7:56 | — | — | 7:56 | — | — | 7:56 | — | — | 7:58 | — | — |
 | — | — | 4:12 | — | — | 4:12 | — | — | 4:12 | — | — | 4:13 | — | — | 4:13 | — | — | 4:14 | — |
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North Twin Sister Weather (Days 0-3):
The weather forecast for North Twin Sister is: Moderate rain (total 20mm) on Tue night. Becoming colder with heavy fall of snow, heaviest during Tue night. Freeze-thaw conditions (max 3°C on Tue afternoon, min -5°C on Tue night). Winds increasing (light winds from the SSW on Mon night, near gales from the WSW by Tue night).
North Twin Sister Weather (Days 3-6):
A heavy fall of snow, heaviest during Fri morning. Freeze-thaw conditions (max 1°C on Sun morning, min -6°C on Thu night). Winds increasing (light winds from the SSE on Sat night, gales from the S by Sun afternoon).
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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