– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 3 am Wed 03 Dec Local TimeUpdates in: hr min sUpdate imminent
Issued: 3 am Wed 03 Dec Local Time
Updates in:
Update imminent hr min s
Issued: 3 am Wed 03 Dec Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryA heavy fall of snow, heaviest during Fri night. Temperatures will be below freezing (max -2°C on Wed night, min -6°C on Fri night). Winds increasing (light winds from the NW on Wed afternoon, strong winds from the W by Fri night). | Days 4–6 Weather SummaryA heavy fall of snow, heaviest during Mon night. Temperatures will be below freezing (max 0°C on Mon afternoon, min -6°C on Mon night). Winds increasing (moderate winds from the WSW on Sat night, severe gales from the W by Mon night). | |||||||||||||||||
Wednesday 3 | Thursday 4 | Friday 5 | Saturday 6 | Sunday 7 | Monday 8 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | | |  |  |  | | | | | |  | | | | |
light snow | cloudy | light snow | light snow | light snow | light snow | heavy snow | mod. snow | heavy snow | mod. snow | mod. snow | heavy snow | mod. snow | light snow | snow shwrs | light snow | mod. snow | heavy snow | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
1 | — | 1 | 5 | 3 | 1 | 12 | 7 | 22 | 7 | 8 | 12 | 6 | 4 | 1 | 1 | 10 | 17 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max°C | -4 | -3 | -2 | -3 | -3 | -3 | -2 | -3 | -4 | -5 | -4 | -3 | -2 | -3 | -4 | -3 | 0 | 0 |
min°C | -4 | -3 | -3 | -3 | -3 | -3 | -3 | -3 | -6 | -5 | -5 | -4 | -3 | -4 | -5 | -5 | -1 | -6 |
-10 | -8 | -10 | -8 | -10 | -10 | -11 | -11 | -14 | -13 | -14 | -12 | -11 | -14 | -14 | -16 | -10 | -18 | |
1100 | 1100 | 1250 | 1300 | 1400 | 1500 | 1500 | 1500 | 1400 | 1300 | 1300 | 1450 | 1600 | 1650 | 1350 | 1500 | 1950 | 1400 | |
Cloud base (m) | 700 | 600 | 600 | 600 | 600 | 600 | 550 | 550 | 550 | 600 | 550 | 600 | 550 | 550 | 600 | 700 | 700 | 550 |
 | 7:41 | — | — | 7:43 | — | — | 7:43 | — | — | 7:45 | — | — | 7:46 | — | — | 7:47 | — | — |
 | — | 4:13 | — | — | 4:12 | — | — | 4:12 | — | — | 4:12 | — | — | 4:12 | — | — | 4:10 | — |
Loading...
South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: A heavy fall of snow, heaviest during Fri night. Temperatures will be below freezing (max -2°C on Wed night, min -6°C on Fri night). Winds increasing (light winds from the NW on Wed afternoon, strong winds from the W by Fri night).
South Twin Sister Weather (Days 3-6):
A heavy fall of snow, heaviest during Mon night. Temperatures will be below freezing (max 0°C on Mon afternoon, min -6°C on Mon night). Winds increasing (moderate winds from the WSW on Sat night, severe gales from the W by Mon night).
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.