– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 3 pm Wed 19 Nov Local TimeUpdates in: hr min sUpdate imminent
Issued: 3 pm Wed 19 Nov Local Time
Updates in:
Update imminent hr min s
Issued: 3 pm Wed 19 Nov Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryA dusting of new snow. Freeze-thaw conditions (max 1°C on Wed afternoon, min -5°C on Wed night). Wind will be generally light. | Days 5–7 Weather SummaryA heavy fall of snow, heaviest during Mon morning. Temperatures will be below freezing (max -1°C on Sat afternoon, min -10°C on Mon night). Winds decreasing (fresh winds from the WSW on Sun night, calm by Tue morning). | ||||||||||||||||
Wed 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  | | | |  | |  |  |  |  | |  | | |
some clouds | cloudy | cloudy | some clouds | some clouds | cloudy | cloudy | cloudy | light snow | cloudy | light snow | mod. snow | heavy snow | snow shwrs | heavy snow | snow shwrs | some clouds | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | 1 | — | 5 | 7 | 17 | 8 | 16 | 3 | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max°C | 1 | -1 | -4 | -3 | -2 | -2 | -1 | 0 | -1 | -1 | -1 | -1 | -4 | -8 | -9 | -9 | -9 |
min°C | -1 | -5 | -5 | -4 | -3 | -2 | -1 | -1 | -1 | -1 | -1 | -3 | -5 | -9 | -9 | -9 | -10 |
-7 | -12 | -11 | -9 | -8 | -8 | -7 | -7 | -7 | -6 | -8 | -10 | -12 | -19 | -19 | -17 | -18 | |
2300 | 1750 | 1300 | 1300 | 1300 | 1600 | 1750 | 2100 | 2050 | 2000 | 1900 | 1850 | 1400 | 850 | 800 | 800 | 300 | |
Cloud base (m) | 6000 | 2250 | 800 | 600 | 800 | 1950 | 750 | 650 | 600 | 600 | 600 | 550 | 550 | 650 | 600 | 600 | 650 |
 | — | — | 7:24 | — | — | 7:24 | — | — | 7:26 | — | — | 7:28 | — | — | 7:30 | — | — |
 | 4:22 | — | — | 4:22 | — | — | 4:21 | — | — | 4:20 | — | — | 4:19 | — | — | 4:17 | — |
Loading...
South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: A dusting of new snow. Freeze-thaw conditions (max 1°C on Wed afternoon, min -5°C on Wed night). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
A heavy fall of snow, heaviest during Mon morning. Temperatures will be below freezing (max -1°C on Sat afternoon, min -10°C on Mon night). Winds decreasing (fresh winds from the WSW on Sun night, calm by Tue morning).
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.