– Lat/Long: 48.70° N 121.99° W
Twin Sisters Mountain
Weather Forecast, United StatesIssued: 3 pm Tue 10 Dec Local TimeUpdates in: hr min sUpdate imminent
Twin Sisters MountainWeather Forecast, United States
Issued: 3 pm Tue 10 Dec Local Time
Updates in:
Update imminent hr min s
Issued: 3 pm Tue 10 Dec Local Time
Updates in:
Update imminent hr min s
3 Twin Sisters Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryA dusting of new snow. Freeze-thaw conditions (max 7°C on Tue afternoon, min -3°C on Thu night). Winds increasing (calm on Wed night, fresh winds from the S by Fri morning). | Days 5–7 Weather SummaryA heavy fall of snow, heaviest during Sat night. Temperatures will be below freezing (max 0°C on Fri afternoon, min -3°C on Sat night). Winds decreasing (near gales from the S on Sat afternoon, light winds from the SSW by Mon morning). | ||||||||||||||||
Tue 10 | Wednesday 11 | Thursday 12 | Friday 13 | Saturday 14 | Sunday 15 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  | | |  |  | |  | | |  | | | | |
cloudy | cloudy | some clouds | clear | some clouds | cloudy | cloudy | light snow | light snow | light snow | mod. snow | light snow | light snow | heavy snow | light snow | light snow | mod. snow | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | 1.0 | 1.0 | 3 | 10 | 3 | 3 | 30 | 1.0 | 2.0 | 7 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max°C | 7 | 7 | 3 | 2 | 4 | 1 | -2 | -1 | -1 | 0 | 0 | -2 | -2 | -2 | -2 | -1 | -1 |
min°C | 7 | 4 | 2 | 2 | 2 | 0 | -2 | -3 | -1 | 0 | -2 | -2 | -2 | -3 | -3 | -2 | -2 |
6 | 0 | -3 | -2 | 2 | -3 | -5 | -6 | -8 | -5 | -10 | -10 | -11 | -10 | -9 | -8 | -8 | |
2700 | 2600 | 2100 | 1900 | 2050 | 1600 | 1200 | 1150 | 1350 | 1400 | 1450 | 1200 | 1200 | 1150 | 1050 | 1150 | 1250 | |
Cloud base (m) | 3550 | 3300 | 4300 | 4050 | 3100 | 2400 | 750 | 550 | 550 | 550 | 550 | 550 | 600 | 600 | 550 | 600 | |
 | — | — | 7:50 | — | — | 7:52 | — | — | 7:52 | — | — | 7:54 | — | — | 7:54 | — | — |
 | 4:10 | — | — | 4:10 | — | — | 4:10 | — | — | 4:10 | — | — | 4:12 | — | — | 4:12 | — |
Twin Sisters Mountain Weather (Days 0-3):
The weather forecast for Twin Sisters Mountain is: A dusting of new snow. Freeze-thaw conditions (max 7°C on Tue afternoon, min -3°C on Thu night). Winds increasing (calm on Wed night, fresh winds from the S by Fri morning).
Twin Sisters Mountain Weather (Days 3-6):
A heavy fall of snow, heaviest during Sat night. Temperatures will be below freezing (max 0°C on Fri afternoon, min -3°C on Sat night). Winds decreasing (near gales from the S on Sat afternoon, light winds from the SSW by Mon morning).
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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