– Lat/Long: 48.71° N 121.99° W
North Twin Sister Weather Forecast
Cascade Range · United StatesIssued: 9 pm Wed 11 Nov Local Time
Updates in:
Update imminent hr min s
Issued: 9 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 mostly falling on Fri night. Very mild (max 11°C on Thu afternoon, min 1°C on Fri night). Winds decreasing (strong winds from the S on Wed night, light winds from the SE by Fri afternoon). | Days 5–7 Weather SummaryMild at first with light rain (total 5mm) on Sat night followed by colder weather and light fall of snow, heaviest on Sun morning. Freeze-thaw conditions (max 2°C on Sat night, min -1°C on Sun afternoon). Winds decreasing (fresh winds from the S on Sun night, light winds from the SSE by Tue morning). | |||||||||||||||
Thursday 12 | Friday 13 | Saturday 14 | Sunday 15 | Monday 16 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | | |  |  |  | | | | | | | | |  | |
cloudy | cloudy | cloudy | cloudy | light rain | light snow | light snow | light snow | cloudy | light snow | light snow | light snow | light snow | cloudy | cloudy | some clouds | |
Cloud base (m) | 2200 | 5300 | 5500 | 5200 | 2600 | 2100 | 650 | 650 | 550 | 550 | 550 | 550 | 550 | 650 | 650 | 800 |
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | — | 2 | 3 | 1 | — | 3 | 5 | 3 | 3 | — | — | — |
mm | — | — | — | — | 0.2 | 0.1 | 0.5 | — | — | 5 | — | — | — | — | — | — |
max °C | 8 | 9 | 11 | 11 | 9 | 4 | 2 | 1 | 1 | 2 | 2 | 0 | 0 | -1 | -1 | 0 |
min °C | 7 | 7 | 10 | 9 | 7 | 2 | 1 | 1 | 1 | 2 | 1 | -1 | -1 | -1 | -1 | -1 |
chill °C | 2 | 3 | 7 | 6 | 3 | -2 | -4 | -4 | -4 | -4 | -5 | -8 | -8 | -8 | -7 | -6 |
Freezing level m | 2750 | 2550 | 2700 | 2900 | 2400 | 2200 | 1900 | 1650 | 1650 | 2000 | 1800 | 1450 | 1350 | 1300 | 1350 | 1350 |
 | — | 7:11 | — | — | 7:13 | — | — | 7:15 | — | — | 7:16 | — | — | 7:18 | — | — |
 | — | — | 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 mostly falling on Fri night. Very mild (max 11°C on Thu afternoon, min 1°C on Fri night). Winds decreasing (strong winds from the S on Wed night, light winds from the SE by Fri afternoon).
North Twin Sister Weather (Days 3-6):
Mild at first with light rain (total 5mm) on Sat night followed by colder weather and light fall of snow, heaviest on Sun morning. Freeze-thaw conditions (max 2°C on Sat night, min -1°C on Sun afternoon). Winds decreasing (fresh winds from the S on Sun night, light winds from the SSE 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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