– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 9 pm Tue 23 Dec Local TimeUpdates in: hr min sUpdate imminent
Issued: 9 pm Tue 23 Dec Local Time
Updates in:
Update imminent hr min s
Issued: 9 pm Tue 23 Dec 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 Fri morning. Temperatures will be below freezing (max -1°C on Wed morning, min -11°C on Fri afternoon). Mainly gales. | Days 5–7 Weather SummaryA dusting of new snow. Freeze-thaw conditions (max 3°C on Mon afternoon, min -11°C on Fri night). Wind will be generally light. | ||||||||||||||||||
Wednesday 24 | Thursday 25 | Friday 26 | Saturday 27 | Sunday 28 | Monday 29 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  | |  |  |  |  |  | | | | | | | | | |
cloudy | light snow | mod. snow | some clouds | cloudy | mod. snow | mod. snow | heavy snow | snow shwrs | snow shwrs | clear | cloudy | some clouds | clear | clear | some clouds | clear | clear | some clouds | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
— | 3 | 9 | — | — | 7 | 9 | 15 | 2 | 1 | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -2 | -1 | -5 | -3 | -2 | -5 | -5 | -7 | -11 | -8 | -8 | -7 | -5 | -5 | -2 | 1 | 2 | 3 | 4 |
min °C | -5 | -1 | -6 | -7 | -3 | -6 | -6 | -9 | -11 | -11 | -8 | -8 | -7 | -5 | -3 | -2 | 1 | 2 | 3 |
-12 | -9 | -15 | -15 | -7 | -12 | -13 | -19 | -22 | -19 | -12 | -16 | -15 | -12 | -9 | -7 | -3 | -2 | -1 | |
1500 | 1900 | 1250 | 1100 | 1800 | 1000 | 1150 | 1000 | 550 | 0 | 350 | 400 | 0 | 550 | 600 | 1750 | 2900 | 3150 | 2950 | |
Cloud base (m) | 2600 | 1450 | 550 | 550 | 5950 | 2100 | 550 | 550 | 550 | 600 | 700 | 600 | 700 | 800 | 700 | 650 | 4250 | 650 | 3300 |
 | — | 7:58 | — | — | 7:58 | — | — | 8:00 | — | — | 8:00 | — | — | 8:00 | — | — | 8:00 | — | — |
 | — | — | 4:15 | — | — | 4:15 | — | — | 4:16 | — | — | 4:17 | — | — | 4:17 | — | — | 4:19 | — |
Loading...
South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: A heavy fall of snow, heaviest during Fri morning. Temperatures will be below freezing (max -1°C on Wed morning, min -11°C on Fri afternoon). Mainly gales.
South Twin Sister Weather (Days 3-6):
A dusting of new snow. Freeze-thaw conditions (max 3°C on Mon afternoon, min -11°C on Fri night). 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.