– Lat/Long: 48.71° N 121.99° W
North Twin Sister
Weather Forecast, United StatesIssued: 9 am Wed 18 Feb Local TimeUpdates in: hr min sUpdate imminent
Issued: 9 am Wed 18 Feb Local Time
Updates in:
Update imminent hr min s
Issued: 9 am Wed 18 Feb Local Time
Updates in:
Update imminent hr min s
3 North Twin Sister Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryA moderate fall of snow, heaviest on Wed morning. Temperatures will be well below freezing (max -6°C on Fri night, min -12°C on Thu morning). Wind will be generally light. | Days 4–6 Weather SummaryA heavy fall of snow, heaviest during Mon morning. Temperatures will be below freezing (max -1°C on Sun morning, min -7°C on Mon afternoon). Winds increasing (light winds from the SSE on Sat morning, gales from the SSW by Mon morning). | |||||||||||||||||
Wednesday 18 | Thursday 19 | Friday 20 | Saturday 21 | Sunday 22 | Monday 23 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  | |  | |  | | | | | |  | | | | |
heavy snow | light snow | some clouds | some clouds | clear | some clouds | cloudy | some clouds | cloudy | cloudy | cloudy | some clouds | cloudy | light snow | mod. snow | heavy snow | light snow | mod. snow | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
15 | 2 | — | — | — | — | — | — | — | — | — | — | — | 1 | 7 | 12 | 3 | 9 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -11 | -11 | -11 | -11 | -11 | -10 | -10 | -9 | -6 | -4 | -2 | -2 | -1 | -2 | -1 | -2 | -6 | -6 |
min °C | -11 | -11 | -11 | -12 | -12 | -11 | -10 | -10 | -9 | -5 | -3 | -2 | -2 | -3 | -3 | -5 | -7 | -7 |
-18 | -11 | -15 | -17 | -18 | -15 | -16 | -16 | -14 | -12 | -8 | -7 | -8 | -9 | -10 | -16 | -18 | -17 | |
450 | 450 | 0 | 250 | 350 | 0 | 300 | 550 | 200 | 1200 | 1400 | 1700 | 1800 | 1600 | 1250 | 1700 | 1100 | 900 | |
Cloud base (m) | 550 | 600 | 650 | 1750 | 700 | 600 | 700 | 600 | 2500 | 2550 | 3050 | 750 | 2350 | 2150 | 1600 | 550 | 600 | 600 |
 | 7:09 | — | — | 7:07 | — | — | 7:05 | — | — | 7:03 | — | — | 7:01 | — | — | 7:00 | — | — |
 | — | 5:34 | — | — | 5:35 | — | — | 5:37 | — | — | 5:38 | — | — | 5:39 | — | — | 5:42 | — |
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North Twin Sister Weather (Days 0-3):
The weather forecast for North Twin Sister is: A moderate fall of snow, heaviest on Wed morning. Temperatures will be well below freezing (max -6°C on Fri night, min -12°C on Thu morning). Wind will be generally light.
North Twin Sister Weather (Days 3-6):
A heavy fall of snow, heaviest during Mon morning. Temperatures will be below freezing (max -1°C on Sun morning, min -7°C on Mon afternoon). Winds increasing (light winds from the SSE on Sat morning, gales from the SSW by Mon 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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