– Lat/Long: 48.71° N 121.99° W
North Twin Sister Weather Forecast
Cascade Range · United StatesIssued: 10 am Thu 08 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Thu 08 Oct Local Time
Updates in:
Update imminent hr min s
3 North Twin Sister Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryLight rain (total 7mm) at first, then becoming colder with a dusting of snow on Fri afternoon. Freeze-thaw conditions (max 14°C on Thu morning, min -1°C on Fri night). Winds decreasing (fresh winds from the SW on Fri morning, calm by Fri night). | Days 4–6 Weather SummaryHeavy rain (total 25mm), mostly on Tue afternoon. Becoming colder with a light covering of snow, mostly falling on Tue night. Freeze-thaw conditions (max 5°C on Sun night, min -1°C on Tue night). Wind will be generally light. | |||||||||||||||||
Thursday 8 | Friday 9 | Saturday 10 | Sunday 11 | Monday 12 | Tuesday 13 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  |  |  |  | |  | | | | | | |  |  |  | |
clear | clear | rain shwrs | rain shwrs | snow shwrs | some clouds | some clouds | rain shwrs | clear | clear | clear | clear | clear | clear | rain shwrs | mod. rain | heavy rain | snow shwrs | |
Cloud base (m) | 8400 | 9450 | 600 | 600 | 600 | 750 | 750 | 850 | 2950 | 2150 | 650 | 550 | 550 | |||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | 5 |
mm | — | — | 0.9 | 6 | — | — | — | 0.2 | — | — | — | — | — | — | 0.3 | 8 | 14 | 3 |
max °C | 14 | 13 | 12 | 5 | 1 | 0 | 0 | 3 | 3 | 2 | 4 | 5 | 3 | 4 | 5 | 4 | 4 | 3 |
min °C | 14 | 13 | 6 | 2 | 1 | -1 | -1 | 1 | 2 | 2 | 4 | 3 | 3 | 4 | 3 | 3 | 3 | -1 |
chill °C | 14 | 12 | 3 | -2 | -3 | -3 | -4 | -2 | 1 | 2 | 3 | 3 | 3 | 3 | -1 | -1 | -2 | -6 |
Freezing level m | 3850 | 3700 | 3000 | 1900 | 1600 | 1500 | 1550 | 1900 | 1900 | 1950 | 2300 | 3200 | 3500 | 3100 | 3000 | 2500 | 2300 | 1450 |
 | 7:16 | — | — | 7:18 | — | — | 7:20 | — | — | 7:20 | — | — | 7:22 | — | — | 7:24 | — | — |
 | — | 6:32 | — | — | 6:30 | — | — | 6:29 | — | — | 6:27 | — | — | 6:24 | — | — | 6:22 | — |
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North Twin Sister Weather (Days 0-3):
The weather forecast for North Twin Sister is: Light rain (total 7mm) at first, then becoming colder with a dusting of snow on Fri afternoon. Freeze-thaw conditions (max 14°C on Thu morning, min -1°C on Fri night). Winds decreasing (fresh winds from the SW on Fri morning, calm by Fri night).
North Twin Sister Weather (Days 3-6):
Heavy rain (total 25mm), mostly on Tue afternoon. Becoming colder with a light covering of snow, mostly falling on Tue night. Freeze-thaw conditions (max 5°C on Sun night, min -1°C on Tue night). 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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