– Lat/Long: 48.70° N 121.99° W
Twin Sisters Mountain
Weather Forecast, United StatesIssued: 4 pm Tue 21 Oct Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 pm Tue 21 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Tue 21 Oct Local Time
Updates in:
Update imminent hr min s
3 Twin Sisters Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryA moderate fall of snow, heaviest on Fri morning. Freeze-thaw conditions (max 8°C on Tue night, min -2°C on Wed night). Winds increasing (light winds from the W on Tue afternoon, gales from the SSW by Thu night). | Days 5–7 Weather SummaryA heavy fall of snow, heaviest during Sat night. Temperatures will be below freezing (max -1°C on Fri night, min -8°C on Sun morning). Winds decreasing (near gales from the S on Fri night, light winds from the WSW by Sun night). | ||||||||||||||||
Tue 21 | Wednesday 22 | Thursday 23 | Friday 24 | Saturday 25 | Sunday 26 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  |  | |  |  |  |  | | | | |  | | |
some clouds | clear | some clouds | light snow | snow shwrs | cloudy | some clouds | light snow | mod. snow | heavy snow | heavy snow | some clouds | light snow | heavy snow | mod. snow | snow shwrs | light snow | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
— | — | — | 2 | 1 | — | — | 1 | 8 | 18 | 14 | — | 5 | 25 | 6 | 5 | 5 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max°C | 4 | 8 | 7 | 2 | -1 | -1 | 1 | 1 | -1 | -2 | -1 | -1 | -4 | -4 | -8 | -7 | -7 |
min°C | 3 | 5 | 5 | -1 | -2 | -1 | 0 | 0 | -1 | -2 | -4 | -2 | -5 | -7 | -8 | -8 | -7 |
0 | 2 | -2 | -8 | -8 | -7 | -7 | -9 | -10 | -8 | -14 | -8 | -14 | -18 | -18 | -17 | -14 | |
3150 | 3250 | 2800 | 1950 | 1850 | 1950 | 2450 | 2150 | 2000 | 1700 | 1600 | 1900 | 1350 | 1300 | 1050 | 1200 | 1050 | |
Cloud base (m) | 7250 | 8250 | 5550 | 850 | 1800 | 2450 | 1600 | 1700 | 550 | 500 | 550 | 5550 | 750 | 500 | 600 | 800 | 600 |
 | — | — | 7:37 | — | — | 7:39 | — | — | 7:41 | — | — | 7:43 | — | — | 7:43 | — | — |
 | 6:07 | — | — | 6:05 | — | — | 6:02 | — | — | 6:01 | — | — | 6:00 | — | — | 5:58 | — |
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Twin Sisters Mountain Weather (Days 0-3):
The weather forecast for Twin Sisters Mountain is: A moderate fall of snow, heaviest on Fri morning. Freeze-thaw conditions (max 8°C on Tue night, min -2°C on Wed night). Winds increasing (light winds from the W on Tue afternoon, gales from the SSW by Thu night).
Twin Sisters Mountain Weather (Days 3-6):
A heavy fall of snow, heaviest during Sat night. Temperatures will be below freezing (max -1°C on Fri night, min -8°C on Sun morning). Winds decreasing (near gales from the S on Fri night, light winds from the WSW by Sun night).
This table gives the weather forecast for Twin Sisters Mountain at the specific elevation of 2140 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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