– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 4 am Fri 14 Jun Local TimeUpdates in: hr min sUpdate imminent
South Twin SisterWeather Forecast, United States
Issued: 4 am Fri 14 Jun Local Time
Updates in:
Update imminent hr min s
Issued: 4 am Fri 14 Jun 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 Sat morning. Temperatures will be below freezing (max -1°C on Fri morning, min -5°C on Fri night). Wind will be generally light. | Days 4–6 Weather SummaryMostly dry. Freeze-thaw conditions (max 8°C on Wed night, min -2°C on Mon morning). Wind will be generally light. | |||||||||||||||||
Friday 14 | Saturday 15 | Sunday 16 | Monday 17 | Tuesday 18 | Wednesday 19 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | | |  | |  | | | |  |  | | | |  | |
some clouds | snow shwrs | snow shwrs | heavy snow | snow shwrs | snow shwrs | cloudy | cloudy | some clouds | cloudy | cloudy | some clouds | clear | rain shwrs | some clouds | clear | clear | clear | |
km/h | ||||||||||||||||||
Wave Height Map |  |  |  |  |  |  | ||||||||||||
— | 3 | 4 | 14 | 2.0 | 1.0 | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | 0.1 | — | — | — | — | |
max°C | -1 | -1 | -1 | -5 | -4 | -4 | -4 | -2 | -2 | -2 | 1 | 1 | 1 | 3 | 3 | 5 | 7 | 8 |
min°C | -2 | -1 | -5 | -5 | -4 | -4 | -4 | -3 | -2 | -2 | -1 | 1 | 1 | 2 | 3 | 3 | 6 | 8 |
-7 | -5 | -11 | -10 | -9 | -10 | -7 | -3 | -4 | -7 | -7 | -3 | -1 | 2 | 1 | 3 | 5 | 8 | |
1950 | 2000 | 1650 | 1350 | 1600 | 1450 | 1400 | 1750 | 1850 | 1750 | 2250 | 2450 | 2400 | 2650 | 2800 | 2850 | 3050 | 3100 | |
Cloud base (m) | 1700 | 1650 | 950 | 600 | 650 | 950 | 600 | 650 | 1700 | 650 | 650 | 1650 | 950 | 900 | 2650 | |||
 | 5:03 | — | — | 5:03 | — | — | 5:03 | — | — | 5:03 | — | — | 5:03 | — | — | 5:03 | — | — |
 | — | — | 9:12 | — | — | 9:12 | — | — | 9:13 | — | — | 9:13 | — | — | 9:13 | — | — | 9:14 |
South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: A heavy fall of snow, heaviest during Sat morning. Temperatures will be below freezing (max -1°C on Fri morning, min -5°C on Fri night). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Mostly dry. Freeze-thaw conditions (max 8°C on Wed night, min -2°C on Mon morning). 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.
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