– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 10 pm Fri 03 Apr Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 pm Fri 03 Apr Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Fri 03 Apr Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryMostly dry. Very mild (max 11°C on Sun afternoon, min 1°C on Fri night). Wind will be generally light. | Days 5–7 Weather SummaryA dusting of new snow. Freeze-thaw conditions (max 4°C on Mon night, min -6°C on Tue morning). Wind will be generally light. | ||||||||||||||||||
Saturday 4 | Sunday 5 | Monday 6 | Tuesday 7 | Wednesday 8 | Thursday 9 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | | | | | | |  |  | | | | | |  |  | | | |
some clouds | some clouds | some clouds | some clouds | some clouds | some clouds | some clouds | some clouds | rain shwrs | snow shwrs | some clouds | some clouds | some clouds | some clouds | some clouds | clear | clear | some clouds | some clouds | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | 0.2 | 0.2 | — | — | — | — | — | — | — | — | — | |
max °C | 1 | 2 | 5 | 8 | 10 | 11 | 11 | 8 | 8 | 4 | -5 | -3 | -3 | -3 | 0 | 0 | 0 | 2 | 1 |
min °C | 1 | 1 | 5 | 6 | 9 | 10 | 9 | 8 | 6 | -5 | -6 | -4 | -4 | -4 | -1 | 0 | -1 | 2 | -2 |
0 | 1 | 5 | 6 | 9 | 10 | 8 | 6 | 3 | -11 | -11 | -9 | -4 | -4 | -3 | -3 | -3 | 0 | -5 | |
1750 | 1950 | 2450 | 2800 | 3000 | 3000 | 2900 | 2650 | 2450 | 800 | 850 | 1100 | 850 | 1150 | 1500 | 1550 | 1450 | 1700 | 1550 | |
Cloud base (m) | 1000 | 1000 | 1750 | 6250 | 5750 | 6400 | 6000 | 5900 | 1650 | 650 | 800 | 850 | 800 | 900 | 1550 | 1750 | 1800 | 1600 | |
 | — | 6:39 | — | — | 6:37 | — | — | 6:35 | — | — | 6:33 | — | — | 6:31 | — | — | 6:28 | — | — |
 | — | — | 7:42 | — | — | 7:44 | — | — | 7:45 | — | — | 7:46 | — | — | 7:47 | — | — | 7:50 | — |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Mostly dry. Very mild (max 11°C on Sun afternoon, min 1°C on Fri night). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
A dusting of new snow. Freeze-thaw conditions (max 4°C on Mon night, min -6°C on Tue morning). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 1500 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.