– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 4 pm Thu 25 Apr Local TimeUpdates in: hr min sUpdate imminent
South Twin SisterWeather Forecast, United States
Issued: 4 pm Thu 25 Apr Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Thu 25 Apr Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryA heavy fall of snow, heaviest during Sun morning. Freeze-thaw conditions (max 1°C on Thu night, min -3°C on Sun morning). Wind will be generally light. | Days 5–7 Weather SummaryA heavy fall of snow, heaviest during Sun night. Temperatures will be below freezing (max -1°C on Wed morning, min -6°C on Sun night). Wind will be generally light. | ||||||||||||||||
Thu 25 | Friday 26 | Saturday 27 | Sunday 28 | Monday 29 | Tuesday 30 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  | | | | | | | |  | | | |  | |
light snow | light snow | light snow | cloudy | snow shwrs | light snow | light snow | light snow | light snow | light snow | snow shwrs | light snow | snow shwrs | light snow | light snow | light snow | some clouds | |
km/h | |||||||||||||||||
Wave Height Map |  |  |  |  |  |  | |||||||||||
3 | 5 | 1.0 | — | 1.0 | 2.0 | 4 | 4 | 4 | 5 | 17 | 4 | 2.0 | 2.0 | 1.0 | 1.0 | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max°C | 0 | 1 | 0 | 1 | 1 | 1 | -1 | 0 | -3 | -2 | -2 | -5 | -3 | -3 | -4 | -3 | -2 |
min°C | 0 | 0 | 0 | 1 | 1 | 0 | -1 | -1 | -3 | -2 | -6 | -6 | -4 | -4 | -4 | -3 | -3 |
-5 | -4 | -3 | -1 | 0 | -6 | -7 | -7 | -10 | -9 | -11 | -13 | -9 | -4 | -4 | -5 | -6 | |
1500 | 1600 | 1550 | 1700 | 1650 | 1450 | 1350 | 1450 | 1150 | 1200 | 650 | 800 | 1050 | 800 | 1000 | 1150 | 700 | |
Cloud base (m) | 550 | 550 | 550 | 600 | 750 | 550 | 550 | 550 | 600 | 550 | 600 | 600 | 600 | 600 | 600 | 600 | 800 |
 | — | — | 5:54 | — | — | 5:52 | — | — | 5:50 | — | — | 5:50 | — | — | 5:48 | — | — |
 | — | 8:15 | — | — | 8:15 | — | — | 8:17 | — | — | 8:19 | — | — | 8:21 | — | — | 8:22 |
South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: A heavy fall of snow, heaviest during Sun morning. Freeze-thaw conditions (max 1°C on Thu night, min -3°C on Sun morning). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
A heavy fall of snow, heaviest during Sun night. Temperatures will be below freezing (max -1°C on Wed morning, min -6°C on Sun night). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 1500 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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