– Lat/Long: 48.71° N 121.99° W
North Twin Sister Weather Forecast
Cascade Range · United StatesIssued: 3 pm Wed 11 Nov Local Time
Updates in:
Update imminent hr min s
Issued: 3 pm Wed 11 Nov 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 on Fri afternoon turning to drizzle on Fri night. Freeze-thaw conditions (max 11°C on Thu afternoon, min 0°C on Sat morning). Winds decreasing (strong winds from the S on Wed afternoon, light winds from the ESE by Thu night). | Days 5–7 Weather SummaryMild at first with light rain (total 8mm) on Sat night followed by colder weather and light fall of snow, heaviest on Sun morning. Freeze-thaw conditions (max 3°C on Sat night, min -1°C on Sun night). Winds decreasing (strong winds from the S on Sun morning, calm by Tue morning). | ||||||||||||||||
Wed 11 | Thursday 12 | Friday 13 | Saturday 14 | Sunday 15 | Monday 16 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | | | | |  |  | | | | |  | |  | |  | |
cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | light snow | light snow | light snow | light snow | light snow | light snow | snow shwrs | light snow | some clouds | some clouds | some clouds | |
Cloud base (m) | 1800 | 5250 | 2600 | 4900 | 5750 | 2900 | 2250 | 500 | 600 | 550 | 550 | 550 | 550 | 550 | 600 | 650 | 800 |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | 3 | 2 | 1 | 1 | 2 | 4 | 1 | 3 | — | — | — |
mm | — | — | — | — | — | — | 0.2 | 1.2 | — | — | 8 | — | — | — | — | — | — |
max °C | 8 | 7 | 8 | 11 | 11 | 9 | 3 | 3 | 1 | 1 | 3 | 1 | 0 | 0 | -1 | -1 | -1 |
min °C | 8 | 7 | 7 | 10 | 11 | 7 | 2 | 1 | 0 | 1 | 2 | 1 | 0 | -1 | -1 | -1 | -1 |
chill °C | 3 | 2 | 3 | 7 | 10 | 3 | -2 | -4 | -6 | -4 | -4 | -6 | -7 | -7 | -7 | -7 | -7 |
Freezing level m | 2700 | 2650 | 2550 | 2700 | 2900 | 2450 | 2050 | 1900 | 1550 | 1700 | 1900 | 1700 | 1450 | 1350 | 1350 | 1400 | 1350 |
 | — | — | 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 on Fri afternoon turning to drizzle on Fri night. Freeze-thaw conditions (max 11°C on Thu afternoon, min 0°C on Sat morning). Winds decreasing (strong winds from the S on Wed afternoon, light winds from the ESE by Thu night).
North Twin Sister Weather (Days 3-6):
Mild at first with light rain (total 8mm) on Sat night followed by colder weather and light fall of snow, heaviest on Sun morning. Freeze-thaw conditions (max 3°C on Sat night, min -1°C on Sun night). Winds decreasing (strong winds from the S on Sun morning, calm by Tue morning).
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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