– Lat/Long: 48.71° N 121.99° W
North Twin Sister Weather Forecast
Cascade Range · United StatesIssued: 10 pm Wed 14 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Wed 14 Oct Local Time
Updates in:
Update imminent hr min s
3 North Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryMild with light rain (total 2mm) on Fri night Becoming colder with a light covering of snow, mostly falling on Sat morning. Freeze-thaw conditions (max 12°C on Thu afternoon, min -1°C on Sat morning). Winds increasing (calm on Wed night, strong winds from the SSW by Fri night). | Days 5–7 Weather SummaryMostly dry. Freeze-thaw conditions (max 3°C on Sun afternoon, min -1°C on Sat night). Wind will be generally light. | |||||||||||||||
Thursday 15 | Friday 16 | Saturday 17 | Sunday 18 | Monday 19 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | | |  | |  |  | | | |  |  | | | | |
clear | clear | clear | clear | some clouds | clear | rain shwrs | snow shwrs | clear | clear | some clouds | cloudy | some clouds | cloudy | cloudy | clear | |
Cloud base (m) | 9450 | 8150 | 2850 | 800 | 950 | 6050 | 4500 | 2900 | 2750 | 3550 | ||||||
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | — | — | — | 5 | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | 2 | — | — | — | — | — | — | — | — | — |
max °C | 10 | 11 | 12 | 12 | 12 | 11 | 9 | 0 | -1 | 0 | 1 | 3 | 3 | 0 | -1 | 1 |
min °C | 7 | 11 | 11 | 12 | 12 | 10 | 3 | -1 | -1 | -1 | 1 | 2 | 1 | -1 | -1 | 0 |
chill °C | 6 | 10 | 9 | 10 | 10 | 6 | -3 | -8 | -6 | -5 | -1 | 0 | -4 | -5 | -5 | 0 |
Freezing level m | 3850 | 3950 | 3950 | 3850 | 3800 | 3600 | 2800 | 1800 | 1900 | 1950 | 2500 | 2550 | 2400 | 1900 | 1900 | 2050 |
 | — | 7:26 | — | — | 7:28 | — | — | 7:30 | — | — | 7:31 | — | — | 7:33 | — | — |
 | — | — | 6:19 | — | — | 6:16 | — | — | 6:15 | — | — | 6:13 | — | — | 6:10 | — |
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North Twin Sister Weather (Days 0-3):
The weather forecast for North Twin Sister is: Mild with light rain (total 2mm) on Fri night Becoming colder with a light covering of snow, mostly falling on Sat morning. Freeze-thaw conditions (max 12°C on Thu afternoon, min -1°C on Sat morning). Winds increasing (calm on Wed night, strong winds from the SSW by Fri night).
North Twin Sister Weather (Days 3-6):
Mostly dry. Freeze-thaw conditions (max 3°C on Sun 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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