– Lat/Long: 48.71° N 121.99° W
North Twin Sister Weather Forecast
Cascade Range · United StatesIssued: 9 am Wed 11 Nov Local Time
Updates in:
Update imminent hr min s
Issued: 9 am Wed 11 Nov Local Time
Updates in:
Update imminent hr min s
3 North Twin Sister Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryA light covering of new snow mostly falling on Fri night. Freeze-thaw conditions (max 7°C on Thu night, min -3°C on Fri night). Winds decreasing (gales from the S on Wed afternoon, light winds from the SSE by Thu night). | Days 4–6 Weather SummaryA heavy fall of snow, heaviest during Sat night. Temperatures will be below freezing (max 0°C on Sat night, min -5°C on Sun night). Winds decreasing (near gales from the SSW on Sun afternoon, calm by Mon night). | |||||||||||||||||
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 rain | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | light snow | mod. snow | light snow | light snow | mod. snow | light snow | light snow | light snow | some clouds | snow shwrs | clear | |
Cloud base (m) | 1850 | 5900 | 6050 | 5500 | 5200 | 5650 | 2400 | 500 | 600 | 600 | 550 | 550 | 550 | 650 | 650 | 700 | 950 | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | 1 | 7 | 1 | 1 | 7 | 5 | 3 | 3 | — | 1 | — |
mm | 0.6 | — | — | — | — | — | — | 0.1 | — | — | — | — | — | — | — | — | — | — |
max °C | 5 | 5 | 4 | 4 | 6 | 7 | 6 | 2 | -1 | -3 | -2 | 0 | -1 | -3 | -4 | -4 | -4 | -4 |
min °C | 5 | 5 | 4 | 4 | 6 | 7 | 4 | -1 | -3 | -3 | -2 | -1 | -2 | -4 | -5 | -5 | -4 | -4 |
chill °C | -2 | -2 | -3 | -2 | 1 | 4 | -3 | -6 | -11 | -11 | -9 | -9 | -11 | -13 | -13 | -12 | -10 | -7 |
Freezing level m | 2850 | 2700 | 2700 | 2550 | 2750 | 2950 | 2700 | 2350 | 1800 | 1500 | 1650 | 1950 | 1850 | 1600 | 1350 | 1300 | 1350 | 1250 |
 | 7:09 | — | — | 7:11 | — | — | 7:13 | — | — | 7:15 | — | — | 7:16 | — | — | 7:18 | — | — |
 | — | 4:31 | — | — | 4:30 | — | — | 4:30 | — | — | 4:29 | — | — | 4:27 | — | — | 4:25 | — |
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North Twin Sister Weather (Days 0-3):
The weather forecast for North Twin Sister is: A light covering of new snow mostly falling on Fri night. Freeze-thaw conditions (max 7°C on Thu night, min -3°C on Fri night). Winds decreasing (gales from the S on Wed afternoon, light winds from the SSE by Thu night).
North Twin Sister Weather (Days 3-6):
A heavy fall of snow, heaviest during Sat night. Temperatures will be below freezing (max 0°C on Sat night, min -5°C on Sun night). Winds decreasing (near gales from the SSW on Sun afternoon, calm by Mon night).
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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