– Lat/Long: 48.70° N 121.99° W
Twin Sisters Mountain Weather Forecast
Cascade Range · United StatesIssued: 3 am Tue 03 Nov Local Time
Updates in:
Update imminent hr min s
Issued: 3 am Tue 03 Nov Local Time
Updates in:
Update imminent hr min s
3 Twin Sisters Mountain Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryA light covering of new snow mostly falling on Wed night. Freeze-thaw conditions (max 5°C on Tue morning, min -1°C on Thu night). Winds increasing (calm on Tue morning, fresh winds from the SSE by Thu night). | Days 4–6 Weather SummaryMild with moderate rain (total 14mm) on Fri night, Becoming colder with a light covering of snow, mostly falling on Sat night. Freeze-thaw conditions (max 12°C on Sat afternoon, min -2°C on Sun morning). Winds decreasing (gales from the S on Sat night, calm by Sun afternoon). | |||||||||||||||||
Tuesday 3 | Wednesday 4 | Thursday 5 | Friday 6 | Saturday 7 | Sunday 8 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | |  |  | | |  |  |  | | | | |  |  | |
cloudy | some clouds | clear | some clouds | cloudy | snow shwrs | snow shwrs | some clouds | snow shwrs | light snow | light rain | rain shwrs | cloudy | some clouds | snow shwrs | some clouds | clear | some clouds | |
Cloud base (m) | 4450 | 2400 | 2200 | 9300 | 2800 | 600 | 950 | 2950 | 800 | 600 | 600 | 3600 | 6900 | 800 | 650 | 850 | ||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | 6 | 1 | — | 1 | 1 | — | — | — | — | 6 | — | — | — |
mm | — | — | — | — | — | — | — | — | — | 3 | 0.7 | 6 | — | — | 5 | — | — | — |
max °C | 5 | 5 | 5 | 4 | 4 | 1 | 1 | 1 | 2 | 2 | 5 | 8 | 11 | 12 | 7 | -1 | -1 | 4 |
min °C | 5 | 5 | 4 | 4 | 1 | 1 | 1 | 1 | -1 | 0 | 3 | 4 | 9 | 10 | 0 | -2 | -1 | 0 |
chill °C | 5 | 4 | 4 | 2 | -5 | -4 | -2 | 1 | -8 | -6 | -2 | 0 | 6 | 6 | -6 | -7 | -4 | -2 |
Freezing level m | 2300 | 2300 | 2350 | 2300 | 2150 | 1650 | 1600 | 1750 | 1950 | 1700 | 2500 | 2650 | 3200 | 2950 | 2150 | 1400 | 1350 | 1650 |
 | 6:56 | — | — | 6:58 | — | — | 7:01 | — | — | 7:01 | — | — | 7:03 | — | — | 7:05 | — | — |
 | — | 4:44 | — | — | 4:42 | — | — | 4:40 | — | — | 4:38 | — | — | 4:37 | — | — | 4:36 | — |
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Twin Sisters Mountain Weather (Days 0-3):
The weather forecast for Twin Sisters Mountain is: A light covering of new snow mostly falling on Wed night. Freeze-thaw conditions (max 5°C on Tue morning, min -1°C on Thu night). Winds increasing (calm on Tue morning, fresh winds from the SSE by Thu night).
Twin Sisters Mountain Weather (Days 3-6):
Mild with moderate rain (total 14mm) on Fri night, Becoming colder with a light covering of snow, mostly falling on Sat night. Freeze-thaw conditions (max 12°C on Sat afternoon, min -2°C on Sun morning). Winds decreasing (gales from the S on Sat night, calm by Sun afternoon).
This table gives the weather forecast for Twin Sisters Mountain at the specific elevation of 1500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of Twin Sisters Mountain. 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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