– Lat/Long: 48.71° N 121.99° W
North Twin Sister Weather Forecast
Cascade Range · United StatesIssued: 10 pm Mon 12 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Mon 12 Oct Local Time
Updates in:
Update imminent hr min s
3 North Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryLight rain (total 8mm), mostly falling on Tue night. Very mild (max 10°C on Thu morning, min 2°C on Mon night). Wind will be generally light. | Days 5–7 Weather SummaryLight rain (total 7mm) at first, then becoming colder with a dusting of snow on Sat morning. Freeze-thaw conditions (max 11°C on Thu night, min -2°C on Sat morning). Winds decreasing (strong winds from the SSW on Fri night, calm by Sat night). | |||||||||||||||
Tuesday 13 | Wednesday 14 | Thursday 15 | Friday 16 | Saturday 17 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  |  | |  | | | |  |  | | | |
some clouds | some clouds | cloudy | light rain | light rain | rain shwrs | clear | some clouds | clear | clear | some clouds | clear | rain shwrs | snow shwrs | clear | some clouds | |
Cloud base (m) | 2650 | 2400 | 1900 | 600 | 600 | 800 | 8300 | 8050 | 700 | 900 | 8850 | |||||
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 | — | — |
mm | — | — | — | 4 | 4 | 0.2 | — | — | — | — | — | — | 7 | — | — | — |
max °C | 3 | 2 | 2 | 4 | 4 | 5 | 9 | 10 | 10 | 11 | 11 | 10 | 8 | -1 | -1 | 1 |
min °C | 2 | 2 | 2 | 3 | 3 | 5 | 5 | 9 | 9 | 11 | 11 | 10 | 3 | -2 | -2 | -1 |
chill °C | -2 | -2 | -2 | -1 | 3 | 5 | 5 | 7 | 7 | 9 | 9 | 7 | -3 | -9 | -8 | -5 |
Freezing level m | 2850 | 2600 | 2600 | 2850 | 2750 | 3600 | 3800 | 3750 | 3650 | 3800 | 3750 | 3550 | 2750 | 1750 | 1800 | 2000 |
 | — | 7:24 | — | — | 7:26 | — | — | 7:26 | — | — | 7:28 | — | — | 7:30 | — | — |
 | — | — | 6:22 | — | — | 6:21 | — | — | 6:19 | — | — | 6:16 | — | — | 6:15 | — |
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North Twin Sister Weather (Days 0-3):
The weather forecast for North Twin Sister is: Light rain (total 8mm), mostly falling on Tue night. Very mild (max 10°C on Thu morning, min 2°C on Mon night). Wind will be generally light.
North Twin Sister Weather (Days 3-6):
Light rain (total 7mm) at first, then becoming colder with a dusting of snow on Sat morning. Freeze-thaw conditions (max 11°C on Thu night, min -2°C on Sat morning). Winds decreasing (strong winds from the SSW on Fri night, calm by Sat 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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