– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 4 pm Sun 30 Mar Local TimeUpdates in: hr min sUpdate imminent
South Twin Sister Weather Forecast, United States
Issued: 4 pm Sun 30 Mar Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Sun 30 Mar Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryA moderate fall of snow, heaviest on Sun night. Temperatures will be below freezing (max -2°C on Sun afternoon, min -8°C on Tue night). Winds decreasing (fresh winds from the ESE on Sun night, calm by Wed morning). | Days 5–7 Weather SummaryA dusting of new snow. Freeze-thaw conditions (max 3°C on Sat morning, min -7°C on Wed afternoon). Wind will be generally light. | ||||||||||||||||
Sun 30 | Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  | |  |  | | | |  |  | |  | | | | |
some clouds | light snow | some clouds | cloudy | light snow | light snow | snow shwrs | light snow | some clouds | snow shwrs | cloudy | clear | some clouds | clear | some clouds | cloudy | clear | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
— | 3 | — | — | 2.0 | 2.0 | 2.0 | 1.0 | — | 1.0 | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max°C | -2 | -2 | -6 | -6 | -6 | -6 | -6 | -6 | -8 | -6 | -6 | -5 | -4 | -2 | -1 | 0 | 2 |
min°C | -2 | -6 | -6 | -6 | -7 | -6 | -6 | -8 | -8 | -7 | -6 | -6 | -4 | -3 | -1 | 0 | 1 |
-8 | -14 | -13 | -10 | -12 | -10 | -11 | -12 | -11 | -7 | -6 | -8 | -6 | -6 | -1 | 0 | 1 | |
1950 | 1300 | 1300 | 1400 | 1000 | 1100 | 1150 | 900 | 900 | 1150 | 1100 | 1200 | 1500 | 1700 | 1900 | 2200 | 2400 | |
Cloud base (m) | 2400 | 2050 | 600 | 1700 | 600 | 550 | 550 | 550 | 550 | 600 | 900 | 850 | 900 | 1900 | |||
 | — | — | 6:48 | — | — | 6:46 | — | — | 6:43 | — | — | 6:41 | — | — | 6:39 | — | — |
 | 7:35 | — | — | 7:36 | — | — | 7:37 | — | — | 7:38 | — | — | 7:40 | — | — | 7:42 | — |
South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: A moderate fall of snow, heaviest on Sun night. Temperatures will be below freezing (max -2°C on Sun afternoon, min -8°C on Tue night). Winds decreasing (fresh winds from the ESE on Sun night, calm by Wed morning).
South Twin Sister Weather (Days 3-6):
A dusting of new snow. Freeze-thaw conditions (max 3°C on Sat morning, min -7°C on Wed afternoon). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 2134 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South 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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