– Lat/Long: 48.71° N 121.99° W
North Twin Sister Weather Forecast
Cascade Range · United StatesIssued: 10 pm Wed 07 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Wed 07 Oct Local Time
Updates in:
Update imminent hr min s
3 North Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryA light covering of new snow mostly falling on Fri morning. Freeze-thaw conditions (max 12°C on Wed night, min -4°C on Fri night). Winds decreasing (strong winds from the WSW on Fri morning, calm by Fri night). | Days 5–7 Weather SummaryA light covering of new snow mostly falling on Tue afternoon. Freeze-thaw conditions (max 5°C on Mon afternoon, min -1°C on Sat night). Wind will be generally light. | |||||||||||||||
Thursday 8 | Friday 9 | Saturday 10 | Sunday 11 | Monday 12 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  | |  |  |  | | | | | | | | |
clear | clear | clear | rain shwrs | snow shwrs | snow shwrs | some clouds | cloudy | some clouds | clear | clear | clear | clear | clear | clear | some clouds | |
Cloud base (m) | 8100 | 8500 | 9400 | 750 | 550 | 650 | 700 | 600 | 800 | 9450 | 2850 | |||||
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | 3 | 2 | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | 0.9 | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | 12 | 11 | 10 | 8 | 2 | -1 | -3 | -3 | -1 | -1 | 0 | 1 | 4 | 4 | 5 | 5 |
min °C | 11 | 10 | 9 | 3 | 0 | -2 | -4 | -4 | -2 | -1 | -1 | 1 | 3 | 4 | 5 | 5 |
chill °C | 9 | 8 | 6 | -3 | -6 | -7 | -4 | -9 | -6 | -5 | -4 | -2 | 1 | 4 | 3 | 3 |
Freezing level m | 3900 | 3800 | 3700 | 2900 | 2000 | 1650 | 1450 | 1500 | 1850 | 1900 | 1900 | 2300 | 3250 | 3700 | 3400 | 3200 |
 | — | 7:16 | — | — | 7:18 | — | — | 7:20 | — | — | 7:20 | — | — | 7:22 | — | — |
 | — | — | 6:32 | — | — | 6:30 | — | — | 6:29 | — | — | 6:27 | — | — | 6:24 | — |
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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 morning. Freeze-thaw conditions (max 12°C on Wed night, min -4°C on Fri night). Winds decreasing (strong winds from the WSW on Fri morning, calm by Fri night).
North Twin Sister Weather (Days 3-6):
A light covering of new snow mostly falling on Tue afternoon. Freeze-thaw conditions (max 5°C on Mon afternoon, min -1°C on Sat night). Wind will be generally light.
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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