– Lat/Long: 48.71° N 121.99° W
North Twin Sister
Weather Forecast, United StatesIssued: 10 am Wed 11 Mar Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 am Wed 11 Mar Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Wed 11 Mar 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 Thu afternoon. Freeze-thaw conditions (max 1°C on Wed night, min -9°C on Fri night). Winds decreasing (gales from the WSW on Wed night, calm by Fri morning). | Days 4–6 Weather SummaryA heavy fall of snow, heaviest during Sun night. Becoming milder with light rain (total 6mm) on Mon afternoon. Freeze-thaw conditions (max 8°C on Mon night, min -9°C on Sat morning). Wind will be generally light. | |||||||||||||||||
Wednesday 11 | Thursday 12 | Friday 13 | Saturday 14 | Sunday 15 | Monday 16 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  | |  |  | |  |  | |  | | | | | |  |  | |
light snow | light snow | mod. snow | light snow | mod. snow | heavy snow | light snow | cloudy | some clouds | light snow | snow shwrs | some clouds | cloudy | light snow | heavy snow | light snow | light rain | clear | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
4 | 5 | 10 | 2 | 10 | 14 | 2 | — | — | 5 | 1 | — | — | 3 | 12 | 1 | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1.1 | 5 | — | |
max °C | -4 | 0 | 1 | -7 | -7 | -7 | -6 | -6 | -6 | -9 | -8 | -7 | -5 | -4 | 1 | 3 | 5 | 8 |
min °C | -5 | -3 | -7 | -7 | -7 | -7 | -6 | -6 | -9 | -9 | -9 | -7 | -6 | -6 | -3 | 2 | 5 | 5 |
-12 | -11 | -18 | -17 | -16 | -14 | -8 | -9 | -14 | -16 | -16 | -11 | -6 | -12 | -9 | -4 | 1 | 2 | |
850 | 1550 | 650 | 500 | 500 | 350 | 600 | 700 | 350 | 350 | 500 | 0 | 650 | 700 | 1800 | 2700 | 2700 | 2950 | |
Cloud base (m) | 550 | 550 | 600 | 600 | 600 | 600 | 550 | 550 | 600 | 600 | 650 | 750 | 2350 | 850 | 600 | 600 | 600 | 600 |
 | 7:30 | — | — | 7:28 | — | — | 7:26 | — | — | 7:22 | — | — | 7:20 | — | — | 7:18 | — | — |
 | — | 7:06 | — | — | 7:07 | — | — | 7:08 | — | — | 7:10 | — | — | 7:12 | — | — | 7:14 | — |
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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 Thu afternoon. Freeze-thaw conditions (max 1°C on Wed night, min -9°C on Fri night). Winds decreasing (gales from the WSW on Wed night, calm by Fri morning).
North Twin Sister Weather (Days 3-6):
A heavy fall of snow, heaviest during Sun night. Becoming milder with light rain (total 6mm) on Mon afternoon. Freeze-thaw conditions (max 8°C on Mon night, min -9°C on Sat morning). Wind will be generally light.
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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