– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 10 pm Thu 27 Mar Local TimeUpdates in: hr min sUpdate imminent
South Twin Sister Weather Forecast, United States
Issued: 10 pm Thu 27 Mar Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Thu 27 Mar 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 -2°C on Thu night, min -7°C on Sat morning). Winds decreasing (fresh winds from the S on Fri afternoon, calm by Sat morning). | Days 5–7 Weather SummaryA heavy fall of snow, heaviest during Mon night. Temperatures will be below freezing (max -3°C on Sun night, min -8°C on Mon night). Winds increasing (light winds from the S on Mon morning, fresh winds from the S by Tue afternoon). | ||||||||||||||||||
Friday 28 | Saturday 29 | Sunday 30 | Monday 31 | Tuesday 1 | Wednesday 2 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  | |  |  |  |  | | |  | | | |  | | | | |
cloudy | mod. snow | mod. snow | light snow | mod. snow | snow shwrs | some clouds | cloudy | light snow | cloudy | light snow | some clouds | light snow | light snow | light snow | mod. snow | snow shwrs | cloudy | light snow | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
— | 6 | 6 | 4 | 6 | 2.0 | — | — | 1.0 | — | 5 | — | 5 | 3 | 3 | 7 | 1.0 | — | 1.0 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max°C | -2 | -4 | -5 | -5 | -6 | -6 | -4 | -4 | -3 | -3 | -6 | -5 | -7 | -8 | -7 | -7 | -7 | -5 | -5 |
min°C | -4 | -5 | -5 | -6 | -7 | -6 | -5 | -4 | -3 | -5 | -6 | -5 | -8 | -8 | -7 | -8 | -8 | -6 | -7 |
-11 | -13 | -14 | -14 | -7 | -6 | -7 | -9 | -8 | -11 | -13 | -11 | -15 | -17 | -16 | -17 | -14 | -12 | -11 | |
1750 | 1350 | 1250 | 1150 | 1100 | 1250 | 1200 | 1650 | 1800 | 1650 | 1200 | 1450 | 850 | 950 | 1100 | 900 | 1150 | 1500 | 1300 | |
Cloud base (m) | 650 | 550 | 550 | 550 | 600 | 600 | 700 | 6400 | 1650 | 2500 | 550 | 700 | 550 | 600 | 600 | 550 | 500 | 1600 | 1950 |
 | — | 6:54 | — | — | 6:52 | — | — | 6:50 | — | — | 6:48 | — | — | 6:46 | — | — | 6:43 | — | — |
 | — | — | 7:31 | — | — | 7:32 | — | — | 7:35 | — | — | 7:36 | — | — | 7:37 | — | — | 7:38 | — |
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 -2°C on Thu night, min -7°C on Sat morning). Winds decreasing (fresh winds from the S on Fri afternoon, calm by Sat morning).
South Twin Sister Weather (Days 3-6):
A heavy fall of snow, heaviest during Mon night. Temperatures will be below freezing (max -3°C on Sun night, min -8°C on Mon night). Winds increasing (light winds from the S on Mon morning, fresh winds from the S by Tue afternoon).
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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